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Ended official alertUpdated

Tornado Warning for Clinton, 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

Applies to
Clinton
Effective
Ended
Official severity
Extreme
Official urgency
Immediate
Official certainty
Observed

What is happening

At 818 AM CDT, a severe squall line capable of producing both tornadoes and extensive straight line wind damage was located near Delmar, or 8 miles southeast of Maquoketa, moving southeast at 40 mph. HAZARD...Tornado. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught...

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 818 AM CDT, a severe squall line capable of producing both tornadoes and extensive straight line wind damage was located near Delmar, or 8 miles southeast of Maquoketa, moving southeast 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. These dangerous storms will be near... Charlotte, Goose Lake, and Elvira around 825 AM CDT. Other locations in the path of this tornadic thunderstorm include Bryant.

Lifecycle record

Official revisions

3 captured
  1. Update

    Tornado Warning issued August 11 at 8:18AM CDT until August 11 at 8:45AM CDT by NWS Quad Cities IA IL

    Official revision
  2. Update

    Tornado Warning issued August 11 at 8:07AM CDT until August 11 at 8:45AM CDT by NWS Quad Cities IA IL

    Official revision
  3. Alert

    Tornado Warning issued August 11 at 8:01AM CDT until August 11 at 8:45AM 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