20251218 09401200 1.0 TRUE Helene Rainfall probability Polygons Rainfall probability polygons generated from NWS QPE data and ATLAS-14 precipitation frequency data QPE Duration: 4day QPE Start Date: 09/23/2024 QPE Start Time: 1200z QPE End Date: 09/27/2024 QPE End Time: 1200z Layer may be symbolized using RainProbMapping_SymbologyLayer.lyrx ESP Associates, SCDOT, & US Engineering Solutions ('QPE' 'RainfallProbability' 'BridgeWatch')