Weather Alert WatchOfficial-source alert index
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Ended official alertUpdated

Severe Thunderstorm Warning for Southwest Boulder, CO; Southeast Boulder, CO; Broomfield, CO +1 more

This alert has ended.Kept for recent context. Do not use it as a current warning.

Official alert fields

What you need to know

Effective
Ended
Official severity
Severe
Official urgency
Immediate
Official certainty
Observed

What is happening

At 227 PM MDT, severe thunderstorms were located along a line from near Louisville to near Idledale, or along a line from 21 miles northwest of Denver to 17 miles west of Denver, moving east at 35 mph. HAZARD...60 mph wind gusts. SOURCE...A weather station at the base of Coal Creek Canyon at Highway 93 and 72...

What the bulletin says to do

Seek shelter inside a well-built structure and stay away from windows. These storms have produced damaging winds. Wind damage with these storms will occur before any rain or lightning. Do not wait for the sound of thunder before taking cover. Seek shelter immediately inside a sturdy structure and stay away from windows.

Read official NWS bulletin

Full official description

Bulletin details

At 227 PM MDT, severe thunderstorms were located along a line from near Louisville to near Idledale, or along a line from 21 miles northwest of Denver to 17 miles west of Denver, moving east at 35 mph. HAZARD...60 mph wind gusts. SOURCE...A weather station at the base of Coal Creek Canyon at Highway 93 and 72 intersection, and another station 3 miles north of White Ranch Open Space reported wind gusts to 60 mph. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Northeastern Lakewood, Arvada, Westminster, Boulder, western Broomfield, Wheat Ridge, Lafayette, Golden, Louisville, Erie, Superior, Rocky Flats, Eldorado Springs, White Ranch Open Space, Crisman, Salina, Sunshine, Edgewater and Mountain View.

Lifecycle record

Official revisions

2 captured
  1. Update

    Severe Thunderstorm Warning issued August 30 at 2:27PM MDT until August 30 at 2:45PM MDT by NWS Denver CO

    Official revision
  2. Alert

    Severe Thunderstorm Warning issued August 30 at 2:10PM MDT until August 30 at 2:45PM 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