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Ended official alertUpdated

Tornado Warning for Jefferson, IA; Washington, IA

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
Extreme
Official urgency
Immediate
Official certainty
Observed

What is happening

At 946 AM CDT, a severe thunderstorm capable of producing a tornado was located over Coppock, or 10 miles south of Washington, moving east at 40 mph. HAZARD...Tornado. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or...

What the bulletin says to do

TAKE COVER NOW! Move to a basement or an interior room on the lowest floor of a sturdy building. Avoid windows. If you are outdoors, in a mobile home, or in a vehicle, move to the closest substantial shelter and protect yourself from flying debris.

Read official NWS bulletin

Full official description

Bulletin details

At 946 AM CDT, a severe thunderstorm capable of producing a tornado was located over Coppock, or 10 miles south of Washington, moving east at 40 mph. HAZARD...Tornado. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree damage is likely. This tornadic thunderstorm will remain over mainly rural areas of southwestern Washington and northeastern Jefferson Counties, including the following locations... West Chester, Mac Coon Access, Salina, Lake Darling State Park, Perlee, Washington County Fairgrounds, East Pleasant Plain, Germanville, and Rubio.

Lifecycle record

Official revisions

4 captured
  1. Update

    Tornado Warning issued August 13 at 9:46AM CDT until August 13 at 10:00AM CDT by NWS Quad Cities IA IL

    Official revision
  2. Update

    Tornado Warning issued August 13 at 9:32AM CDT until August 13 at 10:00AM CDT by NWS Quad Cities IA IL

    Official revision
  3. Update

    Tornado Warning issued August 13 at 9:21AM CDT until August 13 at 10:00AM CDT by NWS Quad Cities IA IL

    Official revision
  4. Alert

    Tornado Warning issued August 13 at 9:10AM CDT until August 13 at 10:00AM 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