M-1 Low Impact Flooding

Time: 423 PM Wed July 16, 2025 Forecaster: James Miezejeski ------------------------- MESSAGE 1 Flash Flood Prediction Program ------------------------- **** LOW IMPACT FLOODING **** PRIORITY DISSEMINATION RECOMMENDED We have determined that low impact flooding is likely in ARAPAHOE COUNTY including: THE CITY OF AURORA ------------------------------------------------------------------------------ from: Current to 630 PM . Prime time for flooding: Current to 600 PM . ------------------------------------------------------------------------------ Forecast rainfall: Moderate thunderstorms will produce rainfall rates of 0.60"- 1.20" total in 10-30 minutes. A strong stationary storm, or training of thunderstorms will have the potential to produce up to 2.40" 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 Arapahoe County and the City of Aurora. Strong thunderstorms may also contain some hail, 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]