We have determined that street and small stream flooding is possible in the following counties: Arapahoe, Denver, Adams, Douglas, Broomfield, Jefferson, Boulder (City of Boulder affected, Four Mile Burn Area affected)
including: DIA, Lakewood, Wheat Ridge, Arvada, the City of Aurora from: Current to 1000 PM.
Prime time for flooding: 400 PM to 900 PM. Forecast rainfall: Thunderstorms will be capable of producing rainfall of 0.4-1.2" in 10-10 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: A slow-moving thunderstorm could stall along a wind convergence boundary and produce heavy rainfall of up to 2.75" in 90-120 minutes.

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.