Weather Alert WatchOfficial-source alert index
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Active official alertUpdated

Flash Flood Warning for Adams, CO; Western Arapahoe, CO; Denver, CO

Official alert fields

What you need to know

Applies to
Adams, Arapahoe, Denver
Effective
Ends or expires
Official severity
Severe
Official urgency
Immediate
Official certainty
Likely

What is happening

At 336 PM MDT, Broadcast media reported flash flooding was occurring near Chambers and Iliff, and Mississippi and Havana. Between 1.5 and 3 inches of rain have fallen. Additional rainfall amounts up to 0.2 inches are possible in the warned area. Flash flooding is already occurring. HAZARD...Life threatening flash...

What the bulletin says to do

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Move to higher ground now. Act quickly to protect your life. Excessive runoff from this storm will cause flash flooding of small creeks and streams, highways, streets, underpasses, drainage areas and other low lying spots.

Read official NWS bulletin

Full official description

Bulletin details

At 336 PM MDT, Broadcast media reported flash flooding was occurring near Chambers and Iliff, and Mississippi and Havana. Between 1.5 and 3 inches of rain have fallen. Additional rainfall amounts up to 0.2 inches are possible in the warned area. Flash flooding is already occurring. HAZARD...Life threatening flash flooding. Heavy rain producing flash flooding. SOURCE...Broadcast media reported. IMPACT...Life threatening flash flooding of creeks and streams, roads, and low lying areas. Some locations that will experience flash flooding include... Eastern Denver, Aurora, and Buckley SFB. This includes the following streams and drainages... Toll Gate Creek, Sand Creek, Cherry Creek, South Platte River, First Creek, East Toll Gate Creek, West Toll Gate Creek, Murphy Creek, Coal Creek, Westerly Creek, Third Creek and Second Creek.

Official geometry where available

Alert boundary

Lifecycle record

Official revisions

3 captured
  1. Update

    Flash Flood Warning issued August 15 at 3:36PM MDT until August 15 at 5:45PM MDT by NWS Denver CO

    Official revision
  2. Update

    Flash Flood Warning issued August 15 at 3:04PM MDT until August 15 at 5:45PM MDT by NWS Denver CO

    Official revision
  3. Alert

    Flash Flood Warning issued August 15 at 2:44PM MDT until August 15 at 5:45PM MDT by NWS Denver CO

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Denver CO. This page reorganizes official fields and does not add a forecast or expand the affected area.

CAP status
Actual
Message type
Update
Last collected
Methodology and corrections