We have determined that low impact flooding is likely in Arapahoe County
including: the City of Aurora
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from: Current to 300 PM.
Prime time for flooding: Current to 230 PM.
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Forecast rainfall: Moderate to brief strong rain showers/isolated thunderstorms will have the potential to produce heavy rainfall rates of 0.5-1.0" in 30-60 minutes. Training of thunderstorm cells could in up to 2.0" of heavy rain in 45-60 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 Information: Excessive runoff is imminent or already occurring in Arapahoe County and the City of Aurora. Instead of 0.5" in 10 minute alarm rainfall, steady moderate rainfall over an already saturated ground will be the biggest issue, resulting in localized flooding. These showers will remain over the area for an extended time and the LIF may need to be extended further.
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.