Look for specific impact based warning tags in text products

wxdata/include/scwx/awips/impact_based_warnings.hpp

@@ -0,0 +1,24 @@
+#pragma once
+
+#include <string>
+
+namespace scwx
+{
+namespace awips
+{
+
+enum class ThreatCategory
+{
+   Base,
+   Significant,
+   Considerable,
+   Destructive,
+   Catastrophic,
+   Unknown
+};
+
+ThreatCategory     GetThreatCategory(const std::string& name);
+const std::string& GetThreatCategoryName(ThreatCategory threatCategory);
+
+} // namespace awips
+} // namespace scwx