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Severe Thunderstorm Warning for Logan, CO

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

Official alert fields

What you need to know

Applies to
Logan
Effective
Ended
Official severity
Severe
Official urgency
Immediate
Official certainty
Observed

What is happening

At 951 PM MDT, a severe thunderstorm was located near North Sterling Reservoir, or 9 miles northwest of Sterling, moving south at 30 mph. HAZARD...Two inch hail and 70 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and...

What the bulletin says to do

Anyone outdoors should move to shelter inside a well-built structure and stay away from windows. This storm is capable of producing widespread damaging winds and dangerous hail. Tornadoes can develop quickly from severe thunderstorms. Seek shelter immediately in an interior room on the lowest floor of a well-built structure. Heavy rain is occurring with this storm and may lead to flooding. Do not drive your vehicle through flooded roadways.

Read official NWS bulletin

Full official description

Bulletin details

At 951 PM MDT, a severe thunderstorm was located near North Sterling Reservoir, or 9 miles northwest of Sterling, moving south at 30 mph. HAZARD...Two inch hail and 70 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. Locations impacted include... Sterling, Iliff, North Sterling Reservoir, Logan Corners, Padroni, Pawnee Pass and Westplains.

Lifecycle record

Official revisions

2 captured
  1. Update

    Severe Thunderstorm Warning issued August 21 at 9:51PM MDT until August 21 at 10:00PM MDT by NWS Denver CO

    Official revision
  2. Alert

    Severe Thunderstorm Warning issued August 21 at 9:22PM MDT until August 21 at 10:00PM 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