20251218 09304200 1.0 TRUE Idalia Rainfall probability Polygons Rainfall probability polygons generated from NWS QPE data and ATLAS-14 precipitation frequency data QPE Duration: 24hr QPE Start Date: 08/30/2023 QPE Start Time: 1200z QPE End Date: 08/31/2023 QPE End Time: 1200z Layer may be symbolized using RainProbMapping_SymbologyLayer.lyrx ESP Associates, SCDOT, & US Engineering Solutions ('QPE' 'RainfallProbability' 'BridgeWatch')