Time: 154 PM Wed August 7, 2024 Forecaster: Laura Smith ------------------------- MESSAGE 1 Flash Flood Prediction Program ------------------------- STREET FLOODING POTENTIAL We have determined that street and small stream flooding is possible in the following counties: BOULDER (CITY OF BOULDER AFFECTED), JEFFERSON, BROOMFIELD, DOUGLAS, ADAMS, DENVER, ARAPAHOE including: DIA, THE CITY OF AURORA, ARVADA, WHEAT RIDGE, LAKEWOOD ------------------------------------------------------------------------------ from: Current to 1000 PM TUESDAY . Prime time for flooding: 230 PM to 930 PM . ------------------------------------------------------------------------------ Forecast rainfall: Thunderstorms will have the potential to produce rainfall rates of 0.30”-0.90” in 10-30 minutes. A slow-moving thunderstorm or a large thunderstorm complex may result in up to 1.80” of rain in 45-60 minutes. ------------------------------------------------------------------------------ The most likely areas to be impacted by flooding are: X Mountain streams & floodplains; road crossings; canyon roads & highways; recreational trails; adjacent open space areas/campgrounds/parks; fishing access points & stream reaches; buildings near streams; utilities X Urban streams/gulches; road crossings; recreational trails; adjacent open space areas/campgrounds/parks; floodplain properties; utilities X Urban streets, intersections, low lying areas, known trouble spots ------------------------------------------------------------------------------ Additional Information: Strong thunderstorms may also contain large hail, gusty winds, and frequent cloud-to-ground lightning. Excessive runoff and flooding of small streams and low-lying areas may occur. This message is not intended for public dissemination. Please pass this information along to affected emergency response organizations (police, fire, public works, etc.) within your area. Also, please take appropriate actions to prepare for possible flooding. Further information will be provided to you as it becomes available. MHFD Flood Prediction Center: 303-458-0789    F2P2 Website [http://udfcd.org/Flash+Flood+Prediction+Program]