diff --git a/wxdata/include/scwx/wsr88d/rpg/hda_hail_symbol_packet.hpp b/wxdata/include/scwx/wsr88d/rpg/hda_hail_symbol_packet.hpp
new file mode 100644
index 00000000..be55c815
--- /dev/null
+++ b/wxdata/include/scwx/wsr88d/rpg/hda_hail_symbol_packet.hpp
@@ -0,0 +1,48 @@
+#pragma once
+
+#include <scwx/wsr88d/rpg/special_graphic_symbol_packet.hpp>
+
+#include <cstdint>
+#include <memory>
+
+namespace scwx
+{
+namespace wsr88d
+{
+namespace rpg
+{
+
+class HdaHailSymbolPacketImpl;
+
+class HdaHailSymbolPacket : public SpecialGraphicSymbolPacket
+{
+public:
+   explicit HdaHailSymbolPacket();
+   ~HdaHailSymbolPacket();
+
+   HdaHailSymbolPacket(const HdaHailSymbolPacket&) = delete;
+   HdaHailSymbolPacket& operator=(const HdaHailSymbolPacket&) = delete;
+
+   HdaHailSymbolPacket(HdaHailSymbolPacket&&) noexcept;
+   HdaHailSymbolPacket& operator=(HdaHailSymbolPacket&&) noexcept;
+
+   int16_t  i_position(size_t i) const;
+   int16_t  j_position(size_t i) const;
+   int16_t  probability_of_hail(size_t i) const;
+   int16_t  probability_of_severe_hail(size_t i) const;
+   uint16_t max_hail_size(size_t i) const;
+
+   size_t RecordCount() const override;
+
+   static std::shared_ptr<HdaHailSymbolPacket> Create(std::istream& is);
+
+protected:
+   bool ParseData(std::istream& is) override;
+
+private:
+   std::unique_ptr<HdaHailSymbolPacketImpl> p;
+};
+
+} // namespace rpg
+} // namespace wsr88d
+} // namespace scwx
diff --git a/wxdata/include/scwx/wsr88d/rpg/mesocyclone_symbol_packet.hpp b/wxdata/include/scwx/wsr88d/rpg/mesocyclone_symbol_packet.hpp
new file mode 100644
index 00000000..9640f80f
--- /dev/null
+++ b/wxdata/include/scwx/wsr88d/rpg/mesocyclone_symbol_packet.hpp
@@ -0,0 +1,46 @@
+#pragma once
+
+#include <scwx/wsr88d/rpg/special_graphic_symbol_packet.hpp>
+
+#include <cstdint>
+#include <memory>
+
+namespace scwx
+{
+namespace wsr88d
+{
+namespace rpg
+{
+
+class MesocycloneSymbolPacketImpl;
+
+class MesocycloneSymbolPacket : public SpecialGraphicSymbolPacket
+{
+public:
+   explicit MesocycloneSymbolPacket();
+   ~MesocycloneSymbolPacket();
+
+   MesocycloneSymbolPacket(const MesocycloneSymbolPacket&) = delete;
+   MesocycloneSymbolPacket& operator=(const MesocycloneSymbolPacket&) = delete;
+
+   MesocycloneSymbolPacket(MesocycloneSymbolPacket&&) noexcept;
+   MesocycloneSymbolPacket& operator=(MesocycloneSymbolPacket&&) noexcept;
+
+   int16_t i_position(size_t i) const;
+   int16_t j_position(size_t i) const;
+   int16_t radius_of_mesocyclone(size_t i) const;
+
+   size_t RecordCount() const override;
+
+   static std::shared_ptr<MesocycloneSymbolPacket> Create(std::istream& is);
+
+protected:
+   bool ParseData(std::istream& is) override;
+
+private:
+   std::unique_ptr<MesocycloneSymbolPacketImpl> p;
+};
+
+} // namespace rpg
+} // namespace wsr88d
+} // namespace scwx
diff --git a/wxdata/include/scwx/wsr88d/rpg/point_feature_symbol_packet.hpp b/wxdata/include/scwx/wsr88d/rpg/point_feature_symbol_packet.hpp
new file mode 100644
index 00000000..7d879180
--- /dev/null
+++ b/wxdata/include/scwx/wsr88d/rpg/point_feature_symbol_packet.hpp
@@ -0,0 +1,51 @@
+#pragma once
+
+#include <scwx/wsr88d/rpg/special_graphic_symbol_packet.hpp>
+
+#include <cstdint>
+#include <memory>
+
+namespace scwx
+{
+namespace wsr88d
+{
+namespace rpg
+{
+
+class PointFeatureSymbolPacketImpl;
+
+class PointFeatureSymbolPacket : public SpecialGraphicSymbolPacket
+{
+public:
+   explicit PointFeatureSymbolPacket();
+   ~PointFeatureSymbolPacket();
+
+   PointFeatureSymbolPacket(const PointFeatureSymbolPacket&) = delete;
+   PointFeatureSymbolPacket&
+   operator=(const PointFeatureSymbolPacket&) = delete;
+
+   PointFeatureSymbolPacket(PointFeatureSymbolPacket&&) noexcept;
+   PointFeatureSymbolPacket& operator=(PointFeatureSymbolPacket&&) noexcept;
+
+   int16_t  i_position(size_t i) const;
+   int16_t  j_position(size_t i) const;
+   uint16_t point_feature_type(size_t i) const;
+   uint16_t point_feature_attribute(size_t i) const;
+
+   size_t RecordCount() const override;
+
+   static std::shared_ptr<PointFeatureSymbolPacket> Create(std::istream& is);
+
+protected:
+   size_t MinBlockLength() const override;
+   size_t MaxBlockLength() const override;
+
+   bool ParseData(std::istream& is) override;
+
+private:
+   std::unique_ptr<PointFeatureSymbolPacketImpl> p;
+};
+
+} // namespace rpg
+} // namespace wsr88d
+} // namespace scwx
diff --git a/wxdata/include/scwx/wsr88d/rpg/point_graphic_symbol_packet.hpp b/wxdata/include/scwx/wsr88d/rpg/point_graphic_symbol_packet.hpp
new file mode 100644
index 00000000..f278a203
--- /dev/null
+++ b/wxdata/include/scwx/wsr88d/rpg/point_graphic_symbol_packet.hpp
@@ -0,0 +1,46 @@
+#pragma once
+
+#include <scwx/wsr88d/rpg/special_graphic_symbol_packet.hpp>
+
+#include <cstdint>
+#include <memory>
+
+namespace scwx
+{
+namespace wsr88d
+{
+namespace rpg
+{
+
+class PointGraphicSymbolPacketImpl;
+
+class PointGraphicSymbolPacket : public SpecialGraphicSymbolPacket
+{
+public:
+   explicit PointGraphicSymbolPacket();
+   ~PointGraphicSymbolPacket();
+
+   PointGraphicSymbolPacket(const PointGraphicSymbolPacket&) = delete;
+   PointGraphicSymbolPacket&
+   operator=(const PointGraphicSymbolPacket&) = delete;
+
+   PointGraphicSymbolPacket(PointGraphicSymbolPacket&&) noexcept;
+   PointGraphicSymbolPacket& operator=(PointGraphicSymbolPacket&&) noexcept;
+
+   int16_t i_position(size_t i) const;
+   int16_t j_position(size_t i) const;
+
+   size_t RecordCount() const override;
+
+   static std::shared_ptr<PointGraphicSymbolPacket> Create(std::istream& is);
+
+protected:
+   bool ParseData(std::istream& is) override;
+
+private:
+   std::unique_ptr<PointGraphicSymbolPacketImpl> p;
+};
+
+} // namespace rpg
+} // namespace wsr88d
+} // namespace scwx
diff --git a/wxdata/include/scwx/wsr88d/rpg/scit_forecast_data_packet.hpp b/wxdata/include/scwx/wsr88d/rpg/scit_forecast_data_packet.hpp
new file mode 100644
index 00000000..56061d7a
--- /dev/null
+++ b/wxdata/include/scwx/wsr88d/rpg/scit_forecast_data_packet.hpp
@@ -0,0 +1,44 @@
+#pragma once
+
+#include <scwx/wsr88d/rpg/special_graphic_symbol_packet.hpp>
+
+#include <cstdint>
+#include <memory>
+
+namespace scwx
+{
+namespace wsr88d
+{
+namespace rpg
+{
+
+class ScitForecastDataPacketImpl;
+
+class ScitForecastDataPacket : public SpecialGraphicSymbolPacket
+{
+public:
+   explicit ScitForecastDataPacket();
+   ~ScitForecastDataPacket();
+
+   ScitForecastDataPacket(const ScitForecastDataPacket&) = delete;
+   ScitForecastDataPacket& operator=(const ScitForecastDataPacket&) = delete;
+
+   ScitForecastDataPacket(ScitForecastDataPacket&&) noexcept;
+   ScitForecastDataPacket& operator=(ScitForecastDataPacket&&) noexcept;
+
+   const std::vector<uint8_t>& data() const;
+
+   size_t RecordCount() const override;
+
+   static std::shared_ptr<ScitForecastDataPacket> Create(std::istream& is);
+
+protected:
+   bool ParseData(std::istream& is) override;
+
+private:
+   std::unique_ptr<ScitForecastDataPacketImpl> p;
+};
+
+} // namespace rpg
+} // namespace wsr88d
+} // namespace scwx
diff --git a/wxdata/include/scwx/wsr88d/rpg/special_graphic_symbol_packet.hpp b/wxdata/include/scwx/wsr88d/rpg/special_graphic_symbol_packet.hpp
new file mode 100644
index 00000000..e730d20c
--- /dev/null
+++ b/wxdata/include/scwx/wsr88d/rpg/special_graphic_symbol_packet.hpp
@@ -0,0 +1,51 @@
+#pragma once
+
+#include <scwx/wsr88d/rpg/packet.hpp>
+
+#include <cstdint>
+#include <memory>
+
+namespace scwx
+{
+namespace wsr88d
+{
+namespace rpg
+{
+
+class SpecialGraphicSymbolPacketImpl;
+
+class SpecialGraphicSymbolPacket : public Packet
+{
+public:
+   explicit SpecialGraphicSymbolPacket();
+   ~SpecialGraphicSymbolPacket();
+
+   SpecialGraphicSymbolPacket(const SpecialGraphicSymbolPacket&) = delete;
+   SpecialGraphicSymbolPacket&
+   operator=(const SpecialGraphicSymbolPacket&) = delete;
+
+   SpecialGraphicSymbolPacket(SpecialGraphicSymbolPacket&&) noexcept;
+   SpecialGraphicSymbolPacket& operator=(SpecialGraphicSymbolPacket&&) noexcept;
+
+   uint16_t packet_code() const;
+   uint16_t length_of_block() const;
+
+   size_t data_size() const override;
+
+   bool Parse(std::istream& is) override;
+
+   virtual size_t RecordCount() const = 0;
+
+protected:
+   virtual size_t MinBlockLength() const;
+   virtual size_t MaxBlockLength() const;
+
+   virtual bool ParseData(std::istream& is) = 0;
+
+private:
+   std::unique_ptr<SpecialGraphicSymbolPacketImpl> p;
+};
+
+} // namespace rpg
+} // namespace wsr88d
+} // namespace scwx
diff --git a/wxdata/include/scwx/wsr88d/rpg/sti_circle_symbol_packet.hpp b/wxdata/include/scwx/wsr88d/rpg/sti_circle_symbol_packet.hpp
new file mode 100644
index 00000000..e0c8d77a
--- /dev/null
+++ b/wxdata/include/scwx/wsr88d/rpg/sti_circle_symbol_packet.hpp
@@ -0,0 +1,46 @@
+#pragma once
+
+#include <scwx/wsr88d/rpg/special_graphic_symbol_packet.hpp>
+
+#include <cstdint>
+#include <memory>
+
+namespace scwx
+{
+namespace wsr88d
+{
+namespace rpg
+{
+
+class StiCircleSymbolPacketImpl;
+
+class StiCircleSymbolPacket : public SpecialGraphicSymbolPacket
+{
+public:
+   explicit StiCircleSymbolPacket();
+   ~StiCircleSymbolPacket();
+
+   StiCircleSymbolPacket(const StiCircleSymbolPacket&) = delete;
+   StiCircleSymbolPacket& operator=(const StiCircleSymbolPacket&) = delete;
+
+   StiCircleSymbolPacket(StiCircleSymbolPacket&&) noexcept;
+   StiCircleSymbolPacket& operator=(StiCircleSymbolPacket&&) noexcept;
+
+   int16_t  i_position(size_t i) const;
+   int16_t  j_position(size_t i) const;
+   uint16_t radius_of_circle(size_t i) const;
+
+   size_t RecordCount() const override;
+
+   static std::shared_ptr<StiCircleSymbolPacket> Create(std::istream& is);
+
+protected:
+   bool ParseData(std::istream& is) override;
+
+private:
+   std::unique_ptr<StiCircleSymbolPacketImpl> p;
+};
+
+} // namespace rpg
+} // namespace wsr88d
+} // namespace scwx
diff --git a/wxdata/include/scwx/wsr88d/rpg/storm_id_symbol_packet.hpp b/wxdata/include/scwx/wsr88d/rpg/storm_id_symbol_packet.hpp
new file mode 100644
index 00000000..20974205
--- /dev/null
+++ b/wxdata/include/scwx/wsr88d/rpg/storm_id_symbol_packet.hpp
@@ -0,0 +1,46 @@
+#pragma once
+
+#include <scwx/wsr88d/rpg/special_graphic_symbol_packet.hpp>
+
+#include <cstdint>
+#include <memory>
+
+namespace scwx
+{
+namespace wsr88d
+{
+namespace rpg
+{
+
+class StormIdSymbolPacketImpl;
+
+class StormIdSymbolPacket : public SpecialGraphicSymbolPacket
+{
+public:
+   explicit StormIdSymbolPacket();
+   ~StormIdSymbolPacket();
+
+   StormIdSymbolPacket(const StormIdSymbolPacket&) = delete;
+   StormIdSymbolPacket& operator=(const StormIdSymbolPacket&) = delete;
+
+   StormIdSymbolPacket(StormIdSymbolPacket&&) noexcept;
+   StormIdSymbolPacket& operator=(StormIdSymbolPacket&&) noexcept;
+
+   int16_t                    i_position(size_t i) const;
+   int16_t                    j_position(size_t i) const;
+   const std::array<char, 2>& character(size_t i) const;
+
+   size_t RecordCount() const override;
+
+   static std::shared_ptr<StormIdSymbolPacket> Create(std::istream& is);
+
+protected:
+   bool ParseData(std::istream& is) override;
+
+private:
+   std::unique_ptr<StormIdSymbolPacketImpl> p;
+};
+
+} // namespace rpg
+} // namespace wsr88d
+} // namespace scwx
diff --git a/wxdata/source/scwx/wsr88d/rpg/hda_hail_symbol_packet.cpp b/wxdata/source/scwx/wsr88d/rpg/hda_hail_symbol_packet.cpp
new file mode 100644
index 00000000..07ccd0b0
--- /dev/null
+++ b/wxdata/source/scwx/wsr88d/rpg/hda_hail_symbol_packet.cpp
@@ -0,0 +1,140 @@
+#include <scwx/wsr88d/rpg/hda_hail_symbol_packet.hpp>
+
+#include <istream>
+#include <string>
+
+#include <boost/log/trivial.hpp>
+
+namespace scwx
+{
+namespace wsr88d
+{
+namespace rpg
+{
+
+static const std::string logPrefix_ =
+   "[scwx::wsr88d::rpg::hda_hail_symbol_packet] ";
+
+struct HdaHailSymbol
+{
+   int16_t  iPosition_;
+   int16_t  jPosition_;
+   int16_t  probabilityOfHail_;
+   int16_t  probabilityOfSevereHail_;
+   uint16_t maxHailSize_;
+
+   HdaHailSymbol() :
+       iPosition_ {0},
+       jPosition_ {0},
+       probabilityOfHail_ {0},
+       probabilityOfSevereHail_ {0},
+       maxHailSize_ {0}
+   {
+   }
+};
+
+class HdaHailSymbolPacketImpl
+{
+public:
+   explicit HdaHailSymbolPacketImpl() : symbol_ {}, recordCount_ {0} {}
+   ~HdaHailSymbolPacketImpl() = default;
+
+   std::vector<HdaHailSymbol> symbol_;
+   size_t                     recordCount_;
+};
+
+HdaHailSymbolPacket::HdaHailSymbolPacket() :
+    p(std::make_unique<HdaHailSymbolPacketImpl>())
+{
+}
+HdaHailSymbolPacket::~HdaHailSymbolPacket() = default;
+
+HdaHailSymbolPacket::HdaHailSymbolPacket(HdaHailSymbolPacket&&) noexcept =
+   default;
+HdaHailSymbolPacket&
+HdaHailSymbolPacket::operator=(HdaHailSymbolPacket&&) noexcept = default;
+
+int16_t HdaHailSymbolPacket::i_position(size_t i) const
+{
+   return p->symbol_[i].iPosition_;
+}
+
+int16_t HdaHailSymbolPacket::j_position(size_t i) const
+{
+   return p->symbol_[i].jPosition_;
+}
+
+int16_t HdaHailSymbolPacket::probability_of_hail(size_t i) const
+{
+   return p->symbol_[i].probabilityOfHail_;
+}
+
+int16_t HdaHailSymbolPacket::probability_of_severe_hail(size_t i) const
+{
+   return p->symbol_[i].probabilityOfSevereHail_;
+}
+
+uint16_t HdaHailSymbolPacket::max_hail_size(size_t i) const
+{
+   return p->symbol_[i].maxHailSize_;
+}
+
+size_t HdaHailSymbolPacket::RecordCount() const
+{
+   return p->recordCount_;
+}
+
+bool HdaHailSymbolPacket::ParseData(std::istream& is)
+{
+   bool blockValid = true;
+
+   if (packet_code() != 19)
+   {
+      BOOST_LOG_TRIVIAL(warning)
+         << logPrefix_ << "Invalid packet code: " << packet_code();
+      blockValid = false;
+   }
+
+   if (blockValid)
+   {
+      p->recordCount_ = length_of_block() / 10;
+      p->symbol_.resize(p->recordCount_);
+
+      for (size_t i = 0; i < p->recordCount_; i++)
+      {
+         HdaHailSymbol& s = p->symbol_[i];
+
+         is.read(reinterpret_cast<char*>(&s.iPosition_), 2);
+         is.read(reinterpret_cast<char*>(&s.jPosition_), 2);
+         is.read(reinterpret_cast<char*>(&s.probabilityOfHail_), 2);
+         is.read(reinterpret_cast<char*>(&s.probabilityOfSevereHail_), 2);
+         is.read(reinterpret_cast<char*>(&s.maxHailSize_), 2);
+
+         s.iPosition_               = ntohs(s.iPosition_);
+         s.jPosition_               = ntohs(s.jPosition_);
+         s.probabilityOfHail_       = ntohs(s.probabilityOfHail_);
+         s.probabilityOfSevereHail_ = ntohs(s.probabilityOfSevereHail_);
+         s.maxHailSize_             = ntohs(s.maxHailSize_);
+      }
+   }
+
+   return blockValid;
+}
+
+std::shared_ptr<HdaHailSymbolPacket>
+HdaHailSymbolPacket::Create(std::istream& is)
+{
+   std::shared_ptr<HdaHailSymbolPacket> packet =
+      std::make_shared<HdaHailSymbolPacket>();
+
+   if (!packet->Parse(is))
+   {
+      packet.reset();
+   }
+
+   return packet;
+}
+
+} // namespace rpg
+} // namespace wsr88d
+} // namespace scwx
diff --git a/wxdata/source/scwx/wsr88d/rpg/mesocyclone_symbol_packet.cpp b/wxdata/source/scwx/wsr88d/rpg/mesocyclone_symbol_packet.cpp
new file mode 100644
index 00000000..c6a97f3e
--- /dev/null
+++ b/wxdata/source/scwx/wsr88d/rpg/mesocyclone_symbol_packet.cpp
@@ -0,0 +1,123 @@
+#include <scwx/wsr88d/rpg/mesocyclone_symbol_packet.hpp>
+
+#include <istream>
+#include <set>
+#include <string>
+
+#include <boost/log/trivial.hpp>
+
+namespace scwx
+{
+namespace wsr88d
+{
+namespace rpg
+{
+
+static const std::string logPrefix_ =
+   "[scwx::wsr88d::rpg::mesocyclone_symbol_packet] ";
+
+static const std::set<uint16_t> packetCodes_ = {3, 11};
+
+struct MesocycloneSymbol
+{
+   int16_t iPosition_;
+   int16_t jPosition_;
+   int16_t radiusOfMesocyclone_;
+
+   MesocycloneSymbol() :
+       iPosition_ {0}, jPosition_ {0}, radiusOfMesocyclone_ {0}
+   {
+   }
+};
+
+class MesocycloneSymbolPacketImpl
+{
+public:
+   explicit MesocycloneSymbolPacketImpl() : symbol_ {}, recordCount_ {0} {}
+   ~MesocycloneSymbolPacketImpl() = default;
+
+   std::vector<MesocycloneSymbol> symbol_;
+   size_t                         recordCount_;
+};
+
+MesocycloneSymbolPacket::MesocycloneSymbolPacket() :
+    p(std::make_unique<MesocycloneSymbolPacketImpl>())
+{
+}
+MesocycloneSymbolPacket::~MesocycloneSymbolPacket() = default;
+
+MesocycloneSymbolPacket::MesocycloneSymbolPacket(
+   MesocycloneSymbolPacket&&) noexcept                    = default;
+MesocycloneSymbolPacket& MesocycloneSymbolPacket::operator=(
+   MesocycloneSymbolPacket&&) noexcept = default;
+
+int16_t MesocycloneSymbolPacket::i_position(size_t i) const
+{
+   return p->symbol_[i].iPosition_;
+}
+
+int16_t MesocycloneSymbolPacket::j_position(size_t i) const
+{
+   return p->symbol_[i].jPosition_;
+}
+
+int16_t MesocycloneSymbolPacket::radius_of_mesocyclone(size_t i) const
+{
+   return p->symbol_[i].radiusOfMesocyclone_;
+}
+
+size_t MesocycloneSymbolPacket::RecordCount() const
+{
+   return p->recordCount_;
+}
+
+bool MesocycloneSymbolPacket::ParseData(std::istream& is)
+{
+   bool blockValid = true;
+
+   if (!packetCodes_.contains(packet_code()))
+   {
+      BOOST_LOG_TRIVIAL(warning)
+         << logPrefix_ << "Invalid packet code: " << packet_code();
+      blockValid = false;
+   }
+
+   if (blockValid)
+   {
+      p->recordCount_ = length_of_block() / 6;
+      p->symbol_.resize(p->recordCount_);
+
+      for (size_t i = 0; i < p->recordCount_; i++)
+      {
+         MesocycloneSymbol& s = p->symbol_[i];
+
+         is.read(reinterpret_cast<char*>(&s.iPosition_), 2);
+         is.read(reinterpret_cast<char*>(&s.jPosition_), 2);
+         is.read(reinterpret_cast<char*>(&s.radiusOfMesocyclone_), 2);
+
+         s.iPosition_           = ntohs(s.iPosition_);
+         s.jPosition_           = ntohs(s.jPosition_);
+         s.radiusOfMesocyclone_ = ntohs(s.radiusOfMesocyclone_);
+      }
+   }
+
+   return blockValid;
+}
+
+std::shared_ptr<MesocycloneSymbolPacket>
+MesocycloneSymbolPacket::Create(std::istream& is)
+{
+   std::shared_ptr<MesocycloneSymbolPacket> packet =
+      std::make_shared<MesocycloneSymbolPacket>();
+
+   if (!packet->Parse(is))
+   {
+      packet.reset();
+   }
+
+   return packet;
+}
+
+} // namespace rpg
+} // namespace wsr88d
+} // namespace scwx
diff --git a/wxdata/source/scwx/wsr88d/rpg/packet_factory.cpp b/wxdata/source/scwx/wsr88d/rpg/packet_factory.cpp
index da90f8b1..400abc86 100644
--- a/wxdata/source/scwx/wsr88d/rpg/packet_factory.cpp
+++ b/wxdata/source/scwx/wsr88d/rpg/packet_factory.cpp
@@ -2,12 +2,19 @@
 
 #include <scwx/wsr88d/rpg/digital_precipitation_data_array_packet.hpp>
 #include <scwx/wsr88d/rpg/digital_radial_data_array_packet.hpp>
+#include <scwx/wsr88d/rpg/hda_hail_symbol_packet.hpp>
 #include <scwx/wsr88d/rpg/linked_contour_vector_packet.hpp>
 #include <scwx/wsr88d/rpg/linked_vector_packet.hpp>
+#include <scwx/wsr88d/rpg/mesocyclone_symbol_packet.hpp>
+#include <scwx/wsr88d/rpg/point_feature_symbol_packet.hpp>
+#include <scwx/wsr88d/rpg/point_graphic_symbol_packet.hpp>
 #include <scwx/wsr88d/rpg/precipitation_rate_data_array_packet.hpp>
 #include <scwx/wsr88d/rpg/radial_data_packet.hpp>
 #include <scwx/wsr88d/rpg/raster_data_packet.hpp>
+#include <scwx/wsr88d/rpg/scit_forecast_data_packet.hpp>
 #include <scwx/wsr88d/rpg/set_color_level_packet.hpp>
+#include <scwx/wsr88d/rpg/sti_circle_symbol_packet.hpp>
+#include <scwx/wsr88d/rpg/storm_id_symbol_packet.hpp>
 #include <scwx/wsr88d/rpg/text_and_special_symbol_packet.hpp>
 #include <scwx/wsr88d/rpg/unlinked_contour_vector_packet.hpp>
 #include <scwx/wsr88d/rpg/unlinked_vector_packet.hpp>
@@ -33,6 +40,7 @@ typedef std::function<std::shared_ptr<Packet>(std::istream&)>
 static const std::unordered_map<uint16_t, CreateMessageFunction> create_ {
    {1, TextAndSpecialSymbolPacket::Create},
    {2, TextAndSpecialSymbolPacket::Create},
+   {3, MesocycloneSymbolPacket::Create},
    {4, WindBarbDataPacket::Create},
    {5, VectorArrowDataPacket::Create},
    {6, LinkedVectorPacket::Create},
@@ -40,9 +48,20 @@ static const std::unordered_map<uint16_t, CreateMessageFunction> create_ {
    {8, TextAndSpecialSymbolPacket::Create},
    {9, LinkedVectorPacket::Create},
    {10, UnlinkedVectorPacket::Create},
+   {11, MesocycloneSymbolPacket::Create},
+   {12, PointGraphicSymbolPacket::Create},
+   {13, PointGraphicSymbolPacket::Create},
+   {14, PointGraphicSymbolPacket::Create},
+   {15, StormIdSymbolPacket::Create},
    {16, DigitalRadialDataArrayPacket::Create},
    {17, DigitalPrecipitationDataArrayPacket::Create},
    {18, PrecipitationRateDataArrayPacket::Create},
+   {19, HdaHailSymbolPacket::Create},
+   {20, PointFeatureSymbolPacket::Create},
+   {23, ScitForecastDataPacket::Create},
+   {24, ScitForecastDataPacket::Create},
+   {25, StiCircleSymbolPacket::Create},
+   {26, PointGraphicSymbolPacket::Create},
    {0x0802, SetColorLevelPacket::Create},
    {0x0E03, LinkedContourVectorPacket::Create},
    {0x3501, UnlinkedContourVectorPacket::Create},
diff --git a/wxdata/source/scwx/wsr88d/rpg/point_feature_symbol_packet.cpp b/wxdata/source/scwx/wsr88d/rpg/point_feature_symbol_packet.cpp
new file mode 100644
index 00000000..14e4907a
--- /dev/null
+++ b/wxdata/source/scwx/wsr88d/rpg/point_feature_symbol_packet.cpp
@@ -0,0 +1,143 @@
+#include <scwx/wsr88d/rpg/point_feature_symbol_packet.hpp>
+
+#include <istream>
+#include <string>
+
+#include <boost/log/trivial.hpp>
+
+namespace scwx
+{
+namespace wsr88d
+{
+namespace rpg
+{
+
+static const std::string logPrefix_ =
+   "[scwx::wsr88d::rpg::point_feature_symbol_packet] ";
+
+struct PointFeature
+{
+   int16_t  iPosition_;
+   int16_t  jPosition_;
+   uint16_t pointFeatureType_;
+   uint16_t pointFeatureAttribute_;
+
+   PointFeature() :
+       iPosition_ {0},
+       jPosition_ {0},
+       pointFeatureType_ {0},
+       pointFeatureAttribute_ {0}
+   {
+   }
+};
+
+class PointFeatureSymbolPacketImpl
+{
+public:
+   explicit PointFeatureSymbolPacketImpl() : pointFeature_ {}, recordCount_ {0}
+   {
+   }
+   ~PointFeatureSymbolPacketImpl() = default;
+
+   std::vector<PointFeature> pointFeature_;
+   size_t                    recordCount_;
+};
+
+PointFeatureSymbolPacket::PointFeatureSymbolPacket() :
+    p(std::make_unique<PointFeatureSymbolPacketImpl>())
+{
+}
+PointFeatureSymbolPacket::~PointFeatureSymbolPacket() = default;
+
+PointFeatureSymbolPacket::PointFeatureSymbolPacket(
+   PointFeatureSymbolPacket&&) noexcept                     = default;
+PointFeatureSymbolPacket& PointFeatureSymbolPacket::operator=(
+   PointFeatureSymbolPacket&&) noexcept = default;
+
+size_t PointFeatureSymbolPacket::MinBlockLength() const
+{
+   return 8;
+}
+
+size_t PointFeatureSymbolPacket::MaxBlockLength() const
+{
+   return 32760;
+}
+
+int16_t PointFeatureSymbolPacket::i_position(size_t i) const
+{
+   return p->pointFeature_[i].iPosition_;
+}
+
+int16_t PointFeatureSymbolPacket::j_position(size_t i) const
+{
+   return p->pointFeature_[i].jPosition_;
+}
+
+uint16_t PointFeatureSymbolPacket::point_feature_type(size_t i) const
+{
+   return p->pointFeature_[i].pointFeatureType_;
+}
+
+uint16_t PointFeatureSymbolPacket::point_feature_attribute(size_t i) const
+{
+   return p->pointFeature_[i].pointFeatureAttribute_;
+}
+
+size_t PointFeatureSymbolPacket::RecordCount() const
+{
+   return p->recordCount_;
+}
+
+bool PointFeatureSymbolPacket::ParseData(std::istream& is)
+{
+   bool blockValid = true;
+
+   if (packet_code() != 20)
+   {
+      BOOST_LOG_TRIVIAL(warning)
+         << logPrefix_ << "Invalid packet code: " << packet_code();
+      blockValid = false;
+   }
+
+   if (blockValid)
+   {
+      p->recordCount_ = length_of_block() / 8;
+      p->pointFeature_.resize(p->recordCount_);
+
+      for (size_t i = 0; i < p->recordCount_; i++)
+      {
+         PointFeature& f = p->pointFeature_[i];
+
+         is.read(reinterpret_cast<char*>(&f.iPosition_), 2);
+         is.read(reinterpret_cast<char*>(&f.jPosition_), 2);
+         is.read(reinterpret_cast<char*>(&f.pointFeatureType_), 2);
+         is.read(reinterpret_cast<char*>(&f.pointFeatureAttribute_), 2);
+
+         f.iPosition_             = ntohs(f.iPosition_);
+         f.jPosition_             = ntohs(f.jPosition_);
+         f.pointFeatureType_      = ntohs(f.pointFeatureType_);
+         f.pointFeatureAttribute_ = ntohs(f.pointFeatureAttribute_);
+      }
+   }
+
+   return blockValid;
+}
+
+std::shared_ptr<PointFeatureSymbolPacket>
+PointFeatureSymbolPacket::Create(std::istream& is)
+{
+   std::shared_ptr<PointFeatureSymbolPacket> packet =
+      std::make_shared<PointFeatureSymbolPacket>();
+
+   if (!packet->Parse(is))
+   {
+      packet.reset();
+   }
+
+   return packet;
+}
+
+} // namespace rpg
+} // namespace wsr88d
+} // namespace scwx
diff --git a/wxdata/source/scwx/wsr88d/rpg/point_graphic_symbol_packet.cpp b/wxdata/source/scwx/wsr88d/rpg/point_graphic_symbol_packet.cpp
new file mode 100644
index 00000000..1266d5a0
--- /dev/null
+++ b/wxdata/source/scwx/wsr88d/rpg/point_graphic_symbol_packet.cpp
@@ -0,0 +1,114 @@
+#include <scwx/wsr88d/rpg/point_graphic_symbol_packet.hpp>
+
+#include <istream>
+#include <set>
+#include <string>
+
+#include <boost/log/trivial.hpp>
+
+namespace scwx
+{
+namespace wsr88d
+{
+namespace rpg
+{
+
+static const std::string logPrefix_ =
+   "[scwx::wsr88d::rpg::point_graphic_symbol_packet] ";
+
+static const std::set<uint16_t> packetCodes_ = {12, 13, 14, 26};
+
+struct PointGraphic
+{
+   int16_t iPosition_;
+   int16_t jPosition_;
+
+   PointGraphic() : iPosition_ {0}, jPosition_ {0} {}
+};
+
+class PointGraphicSymbolPacketImpl
+{
+public:
+   explicit PointGraphicSymbolPacketImpl() : pointGraphic_ {}, recordCount_ {0}
+   {
+   }
+   ~PointGraphicSymbolPacketImpl() = default;
+
+   std::vector<PointGraphic> pointGraphic_;
+   size_t                    recordCount_;
+};
+
+PointGraphicSymbolPacket::PointGraphicSymbolPacket() :
+    p(std::make_unique<PointGraphicSymbolPacketImpl>())
+{
+}
+PointGraphicSymbolPacket::~PointGraphicSymbolPacket() = default;
+
+PointGraphicSymbolPacket::PointGraphicSymbolPacket(
+   PointGraphicSymbolPacket&&) noexcept                     = default;
+PointGraphicSymbolPacket& PointGraphicSymbolPacket::operator=(
+   PointGraphicSymbolPacket&&) noexcept = default;
+
+int16_t PointGraphicSymbolPacket::i_position(size_t i) const
+{
+   return p->pointGraphic_[i].iPosition_;
+}
+
+int16_t PointGraphicSymbolPacket::j_position(size_t i) const
+{
+   return p->pointGraphic_[i].jPosition_;
+}
+
+size_t PointGraphicSymbolPacket::RecordCount() const
+{
+   return p->recordCount_;
+}
+
+bool PointGraphicSymbolPacket::ParseData(std::istream& is)
+{
+   bool blockValid = true;
+
+   if (!packetCodes_.contains(packet_code()))
+   {
+      BOOST_LOG_TRIVIAL(warning)
+         << logPrefix_ << "Invalid packet code: " << packet_code();
+      blockValid = false;
+   }
+
+   if (blockValid)
+   {
+      p->recordCount_ = length_of_block() / 4;
+      p->pointGraphic_.resize(p->recordCount_);
+
+      for (size_t i = 0; i < p->recordCount_; i++)
+      {
+         PointGraphic& f = p->pointGraphic_[i];
+
+         is.read(reinterpret_cast<char*>(&f.iPosition_), 2);
+         is.read(reinterpret_cast<char*>(&f.jPosition_), 2);
+
+         f.iPosition_ = ntohs(f.iPosition_);
+         f.jPosition_ = ntohs(f.jPosition_);
+      }
+   }
+
+   return blockValid;
+}
+
+std::shared_ptr<PointGraphicSymbolPacket>
+PointGraphicSymbolPacket::Create(std::istream& is)
+{
+   std::shared_ptr<PointGraphicSymbolPacket> packet =
+      std::make_shared<PointGraphicSymbolPacket>();
+
+   if (!packet->Parse(is))
+   {
+      packet.reset();
+   }
+
+   return packet;
+}
+
+} // namespace rpg
+} // namespace wsr88d
+} // namespace scwx
diff --git a/wxdata/source/scwx/wsr88d/rpg/scit_forecast_data_packet.cpp b/wxdata/source/scwx/wsr88d/rpg/scit_forecast_data_packet.cpp
new file mode 100644
index 00000000..a0599920
--- /dev/null
+++ b/wxdata/source/scwx/wsr88d/rpg/scit_forecast_data_packet.cpp
@@ -0,0 +1,89 @@
+#include <scwx/wsr88d/rpg/scit_forecast_data_packet.hpp>
+
+#include <istream>
+#include <set>
+#include <string>
+
+#include <boost/log/trivial.hpp>
+
+namespace scwx
+{
+namespace wsr88d
+{
+namespace rpg
+{
+
+static const std::string logPrefix_ =
+   "[scwx::wsr88d::rpg::scit_forecast_data_packet] ";
+
+static const std::set<uint16_t> packetCodes_ = {23, 24};
+
+class ScitForecastDataPacketImpl
+{
+public:
+   explicit ScitForecastDataPacketImpl() : data_ {}, recordCount_ {0} {}
+   ~ScitForecastDataPacketImpl() = default;
+
+   std::vector<uint8_t> data_;
+   size_t               recordCount_;
+};
+
+ScitForecastDataPacket::ScitForecastDataPacket() :
+    p(std::make_unique<ScitForecastDataPacketImpl>())
+{
+}
+ScitForecastDataPacket::~ScitForecastDataPacket() = default;
+
+ScitForecastDataPacket::ScitForecastDataPacket(
+   ScitForecastDataPacket&&) noexcept = default;
+ScitForecastDataPacket&
+ScitForecastDataPacket::operator=(ScitForecastDataPacket&&) noexcept = default;
+
+const std::vector<uint8_t>& ScitForecastDataPacket::data() const
+{
+   return p->data_;
+}
+
+size_t ScitForecastDataPacket::RecordCount() const
+{
+   return p->recordCount_;
+}
+
+bool ScitForecastDataPacket::ParseData(std::istream& is)
+{
+   bool blockValid = true;
+
+   if (!packetCodes_.contains(packet_code()))
+   {
+      BOOST_LOG_TRIVIAL(warning)
+         << logPrefix_ << "Invalid packet code: " << packet_code();
+      blockValid = false;
+   }
+
+   if (blockValid)
+   {
+      p->recordCount_ = length_of_block();
+      p->data_.resize(p->recordCount_);
+      is.read(reinterpret_cast<char*>(p->data_.data()), p->recordCount_);
+   }
+
+   return blockValid;
+}
+
+std::shared_ptr<ScitForecastDataPacket>
+ScitForecastDataPacket::Create(std::istream& is)
+{
+   std::shared_ptr<ScitForecastDataPacket> packet =
+      std::make_shared<ScitForecastDataPacket>();
+
+   if (!packet->Parse(is))
+   {
+      packet.reset();
+   }
+
+   return packet;
+}
+
+} // namespace rpg
+} // namespace wsr88d
+} // namespace scwx
diff --git a/wxdata/source/scwx/wsr88d/rpg/special_graphic_symbol_packet.cpp b/wxdata/source/scwx/wsr88d/rpg/special_graphic_symbol_packet.cpp
new file mode 100644
index 00000000..cca2bc9b
--- /dev/null
+++ b/wxdata/source/scwx/wsr88d/rpg/special_graphic_symbol_packet.cpp
@@ -0,0 +1,125 @@
+#include <scwx/wsr88d/rpg/special_graphic_symbol_packet.hpp>
+
+#include <istream>
+#include <set>
+#include <string>
+
+#include <boost/log/trivial.hpp>
+
+namespace scwx
+{
+namespace wsr88d
+{
+namespace rpg
+{
+
+static const std::string logPrefix_ =
+   "[scwx::wsr88d::rpg::special_graphic_symbol_packet] ";
+
+static const std::set<uint16_t> packetCodes_ = {
+   3, 11, 12, 13, 14, 15, 19, 20, 23, 24, 25, 26};
+
+class SpecialGraphicSymbolPacketImpl
+{
+public:
+   explicit SpecialGraphicSymbolPacketImpl() :
+       packetCode_ {0}, lengthOfBlock_ {0}
+   {
+   }
+   ~SpecialGraphicSymbolPacketImpl() = default;
+
+   uint16_t packetCode_;
+   uint16_t lengthOfBlock_;
+};
+
+SpecialGraphicSymbolPacket::SpecialGraphicSymbolPacket() :
+    p(std::make_unique<SpecialGraphicSymbolPacketImpl>())
+{
+}
+SpecialGraphicSymbolPacket::~SpecialGraphicSymbolPacket() = default;
+
+SpecialGraphicSymbolPacket::SpecialGraphicSymbolPacket(
+   SpecialGraphicSymbolPacket&&) noexcept                       = default;
+SpecialGraphicSymbolPacket& SpecialGraphicSymbolPacket::operator=(
+   SpecialGraphicSymbolPacket&&) noexcept = default;
+
+uint16_t SpecialGraphicSymbolPacket::packet_code() const
+{
+   return p->packetCode_;
+}
+
+uint16_t SpecialGraphicSymbolPacket::length_of_block() const
+{
+   return p->lengthOfBlock_;
+}
+
+size_t SpecialGraphicSymbolPacket::data_size() const
+{
+   return p->lengthOfBlock_ + 4u;
+}
+
+bool SpecialGraphicSymbolPacket::Parse(std::istream& is)
+{
+   bool blockValid = true;
+
+   std::streampos isBegin = is.tellg();
+
+   is.read(reinterpret_cast<char*>(&p->packetCode_), 2);
+   is.read(reinterpret_cast<char*>(&p->lengthOfBlock_), 2);
+
+   p->packetCode_    = ntohs(p->packetCode_);
+   p->lengthOfBlock_ = ntohs(p->lengthOfBlock_);
+
+   if (is.eof())
+   {
+      BOOST_LOG_TRIVIAL(debug) << logPrefix_ << "Reached end of file";
+      blockValid = false;
+   }
+   else
+   {
+      const size_t minBlockLength = MinBlockLength();
+      const size_t maxBlockLength = MaxBlockLength();
+
+      if (!packetCodes_.contains(p->packetCode_))
+      {
+         BOOST_LOG_TRIVIAL(warning)
+            << logPrefix_ << "Invalid packet code: " << p->packetCode_;
+         blockValid = false;
+      }
+      else if (p->lengthOfBlock_ < minBlockLength ||
+               p->lengthOfBlock_ > maxBlockLength)
+      {
+         BOOST_LOG_TRIVIAL(warning)
+            << logPrefix_ << "Invalid length of block: " << p->packetCode_;
+         blockValid = false;
+      }
+   }
+
+   if (blockValid)
+   {
+      blockValid = ParseData(is);
+   }
+
+   std::streampos isEnd = is.tellg();
+
+   if (!ValidateMessage(is, isEnd - isBegin))
+   {
+      blockValid = false;
+   }
+
+   return blockValid;
+}
+
+size_t SpecialGraphicSymbolPacket::MinBlockLength() const
+{
+   return 1;
+}
+
+size_t SpecialGraphicSymbolPacket::MaxBlockLength() const
+{
+   return 32767;
+}
+
+} // namespace rpg
+} // namespace wsr88d
+} // namespace scwx
diff --git a/wxdata/source/scwx/wsr88d/rpg/sti_circle_symbol_packet.cpp b/wxdata/source/scwx/wsr88d/rpg/sti_circle_symbol_packet.cpp
new file mode 100644
index 00000000..38145701
--- /dev/null
+++ b/wxdata/source/scwx/wsr88d/rpg/sti_circle_symbol_packet.cpp
@@ -0,0 +1,117 @@
+#include <scwx/wsr88d/rpg/sti_circle_symbol_packet.hpp>
+
+#include <istream>
+#include <string>
+
+#include <boost/log/trivial.hpp>
+
+namespace scwx
+{
+namespace wsr88d
+{
+namespace rpg
+{
+
+static const std::string logPrefix_ =
+   "[scwx::wsr88d::rpg::sti_circle_symbol_packet] ";
+
+struct StiCircleSymbol
+{
+   int16_t  iPosition_;
+   int16_t  jPosition_;
+   uint16_t radiusOfCircle_;
+
+   StiCircleSymbol() : iPosition_ {0}, jPosition_ {0}, radiusOfCircle_ {0} {}
+};
+
+class StiCircleSymbolPacketImpl
+{
+public:
+   explicit StiCircleSymbolPacketImpl() : symbol_ {}, recordCount_ {0} {}
+   ~StiCircleSymbolPacketImpl() = default;
+
+   std::vector<StiCircleSymbol> symbol_;
+   size_t                       recordCount_;
+};
+
+StiCircleSymbolPacket::StiCircleSymbolPacket() :
+    p(std::make_unique<StiCircleSymbolPacketImpl>())
+{
+}
+StiCircleSymbolPacket::~StiCircleSymbolPacket() = default;
+
+StiCircleSymbolPacket::StiCircleSymbolPacket(StiCircleSymbolPacket&&) noexcept =
+   default;
+StiCircleSymbolPacket&
+StiCircleSymbolPacket::operator=(StiCircleSymbolPacket&&) noexcept = default;
+
+int16_t StiCircleSymbolPacket::i_position(size_t i) const
+{
+   return p->symbol_[i].iPosition_;
+}
+
+int16_t StiCircleSymbolPacket::j_position(size_t i) const
+{
+   return p->symbol_[i].jPosition_;
+}
+
+uint16_t StiCircleSymbolPacket::radius_of_circle(size_t i) const
+{
+   return p->symbol_[i].radiusOfCircle_;
+}
+
+size_t StiCircleSymbolPacket::RecordCount() const
+{
+   return p->recordCount_;
+}
+
+bool StiCircleSymbolPacket::ParseData(std::istream& is)
+{
+   bool blockValid = true;
+
+   if (packet_code() != 25)
+   {
+      BOOST_LOG_TRIVIAL(warning)
+         << logPrefix_ << "Invalid packet code: " << packet_code();
+      blockValid = false;
+   }
+
+   if (blockValid)
+   {
+      p->recordCount_ = length_of_block() / 6;
+      p->symbol_.resize(p->recordCount_);
+
+      for (size_t i = 0; i < p->recordCount_; i++)
+      {
+         StiCircleSymbol& s = p->symbol_[i];
+
+         is.read(reinterpret_cast<char*>(&s.iPosition_), 2);
+         is.read(reinterpret_cast<char*>(&s.jPosition_), 2);
+         is.read(reinterpret_cast<char*>(&s.radiusOfCircle_), 2);
+
+         s.iPosition_      = ntohs(s.iPosition_);
+         s.jPosition_      = ntohs(s.jPosition_);
+         s.radiusOfCircle_ = ntohs(s.radiusOfCircle_);
+      }
+   }
+
+   return blockValid;
+}
+
+std::shared_ptr<StiCircleSymbolPacket>
+StiCircleSymbolPacket::Create(std::istream& is)
+{
+   std::shared_ptr<StiCircleSymbolPacket> packet =
+      std::make_shared<StiCircleSymbolPacket>();
+
+   if (!packet->Parse(is))
+   {
+      packet.reset();
+   }
+
+   return packet;
+}
+
+} // namespace rpg
+} // namespace wsr88d
+} // namespace scwx
diff --git a/wxdata/source/scwx/wsr88d/rpg/storm_id_symbol_packet.cpp b/wxdata/source/scwx/wsr88d/rpg/storm_id_symbol_packet.cpp
new file mode 100644
index 00000000..6a6ed9f3
--- /dev/null
+++ b/wxdata/source/scwx/wsr88d/rpg/storm_id_symbol_packet.cpp
@@ -0,0 +1,116 @@
+#include <scwx/wsr88d/rpg/storm_id_symbol_packet.hpp>
+
+#include <istream>
+#include <string>
+
+#include <boost/log/trivial.hpp>
+
+namespace scwx
+{
+namespace wsr88d
+{
+namespace rpg
+{
+
+static const std::string logPrefix_ =
+   "[scwx::wsr88d::rpg::storm_id_symbol_packet] ";
+
+struct StormIdSymbol
+{
+   int16_t             iPosition_;
+   int16_t             jPosition_;
+   std::array<char, 2> character_;
+
+   StormIdSymbol() : iPosition_ {0}, jPosition_ {0}, character_ {0} {}
+};
+
+class StormIdSymbolPacketImpl
+{
+public:
+   explicit StormIdSymbolPacketImpl() : symbol_ {}, recordCount_ {0} {}
+   ~StormIdSymbolPacketImpl() = default;
+
+   std::vector<StormIdSymbol> symbol_;
+   size_t                     recordCount_;
+};
+
+StormIdSymbolPacket::StormIdSymbolPacket() :
+    p(std::make_unique<StormIdSymbolPacketImpl>())
+{
+}
+StormIdSymbolPacket::~StormIdSymbolPacket() = default;
+
+StormIdSymbolPacket::StormIdSymbolPacket(StormIdSymbolPacket&&) noexcept =
+   default;
+StormIdSymbolPacket&
+StormIdSymbolPacket::operator=(StormIdSymbolPacket&&) noexcept = default;
+
+int16_t StormIdSymbolPacket::i_position(size_t i) const
+{
+   return p->symbol_[i].iPosition_;
+}
+
+int16_t StormIdSymbolPacket::j_position(size_t i) const
+{
+   return p->symbol_[i].jPosition_;
+}
+
+const std::array<char, 2>& StormIdSymbolPacket::character(size_t i) const
+{
+   return p->symbol_[i].character_;
+}
+
+size_t StormIdSymbolPacket::RecordCount() const
+{
+   return p->recordCount_;
+}
+
+bool StormIdSymbolPacket::ParseData(std::istream& is)
+{
+   bool blockValid = true;
+
+   if (packet_code() != 15)
+   {
+      BOOST_LOG_TRIVIAL(warning)
+         << logPrefix_ << "Invalid packet code: " << packet_code();
+      blockValid = false;
+   }
+
+   if (blockValid)
+   {
+      p->recordCount_ = length_of_block() / 6;
+      p->symbol_.resize(p->recordCount_);
+
+      for (size_t i = 0; i < p->recordCount_; i++)
+      {
+         StormIdSymbol& s = p->symbol_[i];
+
+         is.read(reinterpret_cast<char*>(&s.iPosition_), 2);
+         is.read(reinterpret_cast<char*>(&s.jPosition_), 2);
+         is.read(reinterpret_cast<char*>(s.character_.data()), 2);
+
+         s.iPosition_ = ntohs(s.iPosition_);
+         s.jPosition_ = ntohs(s.jPosition_);
+      }
+   }
+
+   return blockValid;
+}
+
+std::shared_ptr<StormIdSymbolPacket>
+StormIdSymbolPacket::Create(std::istream& is)
+{
+   std::shared_ptr<StormIdSymbolPacket> packet =
+      std::make_shared<StormIdSymbolPacket>();
+
+   if (!packet->Parse(is))
+   {
+      packet.reset();
+   }
+
+   return packet;
+}
+
+} // namespace rpg
+} // namespace wsr88d
+} // namespace scwx
diff --git a/wxdata/wxdata.cmake b/wxdata/wxdata.cmake
index f588c2b3..35608977 100644
--- a/wxdata/wxdata.cmake
+++ b/wxdata/wxdata.cmake
@@ -48,17 +48,25 @@ set(SRC_WSR88D_RDA source/scwx/wsr88d/rda/clutter_filter_map.cpp
                    source/scwx/wsr88d/rda/volume_coverage_pattern_data.cpp)
 set(HDR_WSR88D_RPG include/scwx/wsr88d/rpg/digital_precipitation_data_array_packet.hpp
                    include/scwx/wsr88d/rpg/digital_radial_data_array_packet.hpp
+                   include/scwx/wsr88d/rpg/hda_hail_symbol_packet.hpp
                    include/scwx/wsr88d/rpg/level3_message_header.hpp
                    include/scwx/wsr88d/rpg/linked_contour_vector_packet.hpp
                    include/scwx/wsr88d/rpg/linked_vector_packet.hpp
+                   include/scwx/wsr88d/rpg/mesocyclone_symbol_packet.hpp
                    include/scwx/wsr88d/rpg/packet.hpp
                    include/scwx/wsr88d/rpg/packet_factory.hpp
+                   include/scwx/wsr88d/rpg/point_feature_symbol_packet.hpp
+                   include/scwx/wsr88d/rpg/point_graphic_symbol_packet.hpp
                    include/scwx/wsr88d/rpg/precipitation_rate_data_array_packet.hpp
                    include/scwx/wsr88d/rpg/product_description_block.hpp
                    include/scwx/wsr88d/rpg/product_symbology_block.hpp
                    include/scwx/wsr88d/rpg/radial_data_packet.hpp
                    include/scwx/wsr88d/rpg/raster_data_packet.hpp
+                   include/scwx/wsr88d/rpg/scit_forecast_data_packet.hpp
                    include/scwx/wsr88d/rpg/set_color_level_packet.hpp
+                   include/scwx/wsr88d/rpg/special_graphic_symbol_packet.hpp
+                   include/scwx/wsr88d/rpg/sti_circle_symbol_packet.hpp
+                   include/scwx/wsr88d/rpg/storm_id_symbol_packet.hpp
                    include/scwx/wsr88d/rpg/text_and_special_symbol_packet.hpp
                    include/scwx/wsr88d/rpg/unlinked_contour_vector_packet.hpp
                    include/scwx/wsr88d/rpg/unlinked_vector_packet.hpp
@@ -67,17 +75,25 @@ set(HDR_WSR88D_RPG include/scwx/wsr88d/rpg/digital_precipitation_data_array_pack
                    include/scwx/wsr88d/rpg/wmo_header.hpp)
 set(SRC_WSR88D_RPG source/scwx/wsr88d/rpg/digital_precipitation_data_array_packet.cpp
                    source/scwx/wsr88d/rpg/digital_radial_data_array_packet.cpp
+                   source/scwx/wsr88d/rpg/hda_hail_symbol_packet.cpp
                    source/scwx/wsr88d/rpg/level3_message_header.cpp
                    source/scwx/wsr88d/rpg/linked_contour_vector_packet.cpp
                    source/scwx/wsr88d/rpg/linked_vector_packet.cpp
+                   source/scwx/wsr88d/rpg/mesocyclone_symbol_packet.cpp
                    source/scwx/wsr88d/rpg/packet.cpp
                    source/scwx/wsr88d/rpg/packet_factory.cpp
+                   source/scwx/wsr88d/rpg/point_feature_symbol_packet.cpp
+                   source/scwx/wsr88d/rpg/point_graphic_symbol_packet.cpp
                    source/scwx/wsr88d/rpg/precipitation_rate_data_array_packet.cpp
                    source/scwx/wsr88d/rpg/product_description_block.cpp
                    source/scwx/wsr88d/rpg/product_symbology_block.cpp
                    source/scwx/wsr88d/rpg/radial_data_packet.cpp
                    source/scwx/wsr88d/rpg/raster_data_packet.cpp
+                   source/scwx/wsr88d/rpg/scit_forecast_data_packet.cpp
                    source/scwx/wsr88d/rpg/set_color_level_packet.cpp
+                   source/scwx/wsr88d/rpg/special_graphic_symbol_packet.cpp
+                   source/scwx/wsr88d/rpg/sti_circle_symbol_packet.cpp
+                   source/scwx/wsr88d/rpg/storm_id_symbol_packet.cpp
                    source/scwx/wsr88d/rpg/text_and_special_symbol_packet.cpp
                    source/scwx/wsr88d/rpg/unlinked_contour_vector_packet.cpp
                    source/scwx/wsr88d/rpg/unlinked_vector_packet.cpp