Time: 812 PM Fri May 15, 2020 Forecaster: Justin Brooks

Flash Flood Prediction Program


We have determined that low impact flooding is likely in Jefferson County
including: Lakewood, Wheat Ridge, Arvada
from: Current to 900 PM.
Prime time for flooding: Current to 830 PM.
Forecast rainfall: Moderate and strong thunderstorms will have the potential to produce rainfall amounts of 0.4- 1.0" in 10-30 minutes. A large, slow moving, strong thunderstorm or training of thunderstorm cells may result in up to 2.0" of rainfall 60 minutes or less.
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: Excessive runoff is imminent or already occurring. Strong thunderstorms may also produce frequent cloud-to-ground lightning.

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.