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Severe Thunderstorm Warning for New Castle, DE; Chester, PA; Delaware, PA

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 706 PM EDT, a severe thunderstorm was located over Marshallton, or near West Chester, moving southeast at 25 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Damage to roofs, siding, trees, and power lines is possible. Locations impacted include... West Chester, Coatesville, Westtown,...

What the bulletin says to do

Frequent cloud to ground lightning is occurring with this storm. 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 this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.

Read official NWS bulletin

Full official description

Bulletin details

At 706 PM EDT, a severe thunderstorm was located over Marshallton, or near West Chester, moving southeast at 25 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Damage to roofs, siding, trees, and power lines is possible. Locations impacted include... West Chester, Coatesville, Westtown, Downingtown, Kennett Square, Parkesburg, West Grove, Cheyney, Landenberg, Elam, Lionville, Marshallton, Concordville, Lionville-Marchwood, North Star, West Goshen, South Coatesville, Avondale, Modena, and Exton.

Lifecycle record

Official revisions

2 captured
  1. Update

    Severe Thunderstorm Warning issued August 17 at 7:07PM EDT until August 17 at 7:30PM EDT by NWS Mount Holly NJ

    Official revision
  2. Alert

    Severe Thunderstorm Warning issued August 17 at 6:45PM EDT until August 17 at 7:30PM EDT by NWS Mount Holly NJ

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Mount Holly NJ. 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