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Active official alertUpdated

Flash Flood Warning for San Juan, UT

Official alert fields

What you need to know

Applies to
San Juan
Effective
Ends or expires
Official severity
Severe
Official urgency
Immediate
Official certainty
Likely

What is happening

FFWGJT The National Weather Service in Grand Junction has issued a * Flash Flood Warning for... The Babylon burn scar in... Central San Juan County in southeastern Utah... * Until 430 PM MDT. * At 134 PM MDT, Doppler radar indicated thunderstorms producing heavy rain over the Babylon Burn Scar over Dark Canyon....

What the bulletin says to do

This is a life threatening situation. Heavy rainfall will cause extensive and severe flash flooding of creeks...streams...and ditches in the Babylon Burn Scar. Severe debris flows can also be anticipated through slot canyons and steep terrain below Dark Canyon..climb to safety. Remain alert for flooding even in locations not receiving rain. Arroyos, streams, and rivers can become raging currents in a matter of minutes, even from distant rainfall.

Full official description

Bulletin details

FFWGJT The National Weather Service in Grand Junction has issued a * Flash Flood Warning for... The Babylon burn scar in... Central San Juan County in southeastern Utah... * Until 430 PM MDT. * At 134 PM MDT, Doppler radar indicated thunderstorms producing heavy rain over the Babylon Burn Scar over Dark Canyon. Between 0.5 and 0.8 inches of rain have fallen. The expected rainfall rate is 1 to 3 inches in 1 hour. Flash flooding is ongoing or expected to begin shortly. Excessive rainfall over the burn scar will result in debris flow. The debris flow can consist of rock, mud, vegetation and other loose materials. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding in and around the Babylon Burn Scar over Dark Canyon. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of areas in and around the Babylon Burn Scar. * Some locations that will experience flash flooding include... Dark Canyon

Official geometry where available

Alert boundary

Lifecycle record

Official revisions

1 captured
  1. Alert

    Flash Flood Warning issued August 24 at 1:34PM MDT until August 24 at 4:30PM MDT by NWS Grand Junction CO

    Official revision

Source and limitations

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

CAP status
Actual
Message type
Alert
Last collected
Methodology and corrections