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Ended official alertUpdated

Severe Thunderstorm Warning for Stephenson, IL

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
Stephenson
Effective
Ended
Official severity
Severe
Official urgency
Immediate
Official certainty
Observed

What is happening

At 914 AM CDT, severe thunderstorms were located along a line extending from near Oneco to near Ridott to Adeline, moving east at 50 mph. HAZARD...70 mph wind gusts. SOURCE...Law enforcement. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. Locations impacted...

What the bulletin says to do

Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a sturdy building. Continuous cloud to ground lightning is occurring with these storms. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.

Full official description

Bulletin details

At 914 AM CDT, severe thunderstorms were located along a line extending from near Oneco to near Ridott to Adeline, moving east at 50 mph. HAZARD...70 mph wind gusts. SOURCE...Law enforcement. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. Locations impacted include... Freeport, Cedarville, Davis, Dakota, German Valley, Rock City, Ridott, Buena Vista, Rock Grove, Oneco, Orangeville, Afolkey, Winneshiek, Dakota Dornink Airport, Albertus Airport, Stephenson County Fairgrounds, Red Oak, and Lake Summerset.

Lifecycle record

Official revisions

4 captured
  1. Update

    Severe Thunderstorm Warning issued August 11 at 9:14AM CDT until August 11 at 9:45AM CDT by NWS Quad Cities IA IL

    Official revision
  2. Update

    Severe Thunderstorm Warning issued August 11 at 9:08AM CDT until August 11 at 9:45AM CDT by NWS Quad Cities IA IL

    Official revision
  3. Update

    Severe Thunderstorm Warning issued August 11 at 8:58AM CDT until August 11 at 9:45AM CDT by NWS Quad Cities IA IL

    Official revision
  4. Alert

    Severe Thunderstorm Warning issued August 11 at 8:43AM CDT until August 11 at 9:45AM CDT by NWS Quad Cities IA IL

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Quad Cities IA IL. 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