The National Weather Service has issued a FLASH FLOOD WARNING for the following counties: Adams, Denver, Arapahoe
including: DIA, the City of Aurora
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from: Current to 115 AM.
NWS has issued a Flash Flood Warning for Adams, Arapahoe and Denver Counties valid until 1:15 AM Thursday. Up to 2.0-2.5" or more of rain has fallen across portions of the warned area and an additional 0.5-1.5" of rain is possible with isolated higher amounts.
Prime time for flooding: Current to 100 AM.
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Forecast rainfall: Moderate to strong thunderstorms will have the potential to produce rainfall rates of 0.5-1.5" in 10-30 minutes. Rainfall amounts may exceed 2.5" in 45-75 minutes.
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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
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Additional explanation: Training of thunderstorm cells has resulted in long duration rainfall from thunderstorms and flash flooding is imminent or already occurring over Adams, Arapahoe and Denver Counties. The heaviest rainfall is concentrated over east Denver County and along the Adams/Arapahoe County line, extending about 10-15 miles N and S of the Adams/Arapahoe County line. Thunderstorms also include hail, and accumulating hail which may be impacting drainage and exacerbating the flooding.
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.