M-1 Low Impact Flooding

Time: 259 PM Mon August 15, 2022 Forecaster: Brad Simmons ------------------------- 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 530 PM . Prime time for flooding: Current to 500 PM . ------------------------------------------------------------------------------ Forecast rainfall: Weak to moderate thunderstorms will produce rainfall rates of 0.3-0.8" in 10-30 minutes. Strong thunderstorms will have the potential to produce heavy rainfall rates of 0.8-2.0" in 10-30 minutes. Training of thunderstorm cells or a large/slower moving thunderstorm may produce up to 3.5" of rain in 45-75 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 over portions of Arapahoe County and is expected to enter the City of Aurora shortly. Strong thunderstorms may also contain large 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]