including: DIA, the City of Aurora, Arvada, Wheat Ridge, Lakewood
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from: 1200 PM to 1159 PM.
The National Weather Service in Boulder has issued a Flood Watch for the entire District from 12:00 PM today until 11:59 PM tonight. The Message 2 may be rescinded prior to 11:59 PM if conditions warrant.
Prime time for flooding: 1200 PM to 1100 PM.
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Forecast rainfall: Typical thunderstorms have the potential to produce moderate to heavy rainfall of 0.50” to 1.00” total, in 10-30 minutes. Strong thunderstorms have the potential to produce very heavy rainfall of 1.00” to 1.50” total, in 10-30 minutes. Anchored or slow-moving thunderstorms have the potential to produce 1.50” to 2.20” in 45 to 60 minutes.
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The most likely areas to be impacted by flooding are:
X Mountain streams & floodplains; road crossings; canyon roads & highways; recreational trails; adjacent open space areas/campgrounds/parks; fishing access points & stream reaches; buildings near streams; utilities
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
X Mountain locations subject to mud/rock/debris slide
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Additional information: Heavy rainfall may result in excessive runoff and possibly flash flooding over the District this afternoon into the late evening. Strong thunderstorms may also contain large hail, gusty winds, frequent cloud-to-ground lightning and possibly an isolated tornado.
A Flood Watch means that flooding is possible within the watch area.
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.