We previously determined that street and small stream flooding is possible in Boulder County (City of Boulder not affected, Four Mile Burn Area affected)
including: from: Current to 900 PM.
Prime time for flooding: Current to 800 PM. Forecast rainfall: Stronger thunderstorms may produce rainfall amounts between 0.30-0.70" in 10-30 minutes. 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 Mountain locations subject to mud/rock/debris slide

Additional Information: A slow-moving, strong-to-severe thunderstorm could produce rainfall up to 2.00" in 60-90 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.