M-1 Low Impact Flooding

Time: 340 PM Thu September 14, 2023 Forecaster: Justin Brooks ------------------------- MESSAGE 1 Flash Flood Prediction Program ------------------------- **** LOW IMPACT FLOODING **** PRIORITY DISSEMINATION RECOMMENDED We have determined that low impact flooding is likely in BROOMFIELD COUNTY including: ------------------------------------------------------------------------------ from: Current to 530 PM . Prime time for flooding: Current to 500 PM . ------------------------------------------------------------------------------ Forecast rainfall: Strong thunderstorms will produce rainfall rates of 0.50-1.00” of rain in 10-30 minutes. A slow moving large thunderstorm or training of strong thunderstorm cells may result in up to 2.00" of rain in under 60 minutes. ------------------------------------------------------------------------------ The most likely areas to be impacted by flooding are: 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: Excessive runoff is imminent or already occurring in Broomfield County. Strong thunderstorms may also contain gusty winds, and frequent cloud-to-ground lightning. 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]