Weather Alert WatchOfficial-source alert index
NWS feedSource freshLast successful check:
Ended official alertUpdated

Severe Thunderstorm Warning for New Castle, DE; Gloucester, NJ; Salem, NJ +5 more

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 553 PM EDT, severe thunderstorms were located along a line extending from near Green Lane to near Nether Providence Township to Delaware Memorial Bridge, moving east at 45 mph. HAZARD...70 mph wind gusts. SOURCE...Trained weather spotters. IMPACT...Expect considerable tree damage. Damage is likely to mobile...

What the bulletin says to do

A Tornado Watch remains in effect until 1000 PM EDT for northern Delaware...southern New Jersey...and southeastern Pennsylvania. 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 building.

Read official NWS bulletin

Full official description

Bulletin details

At 553 PM EDT, severe thunderstorms were located along a line extending from near Green Lane to near Nether Providence Township to Delaware Memorial Bridge, moving east at 45 mph. HAZARD...70 mph wind gusts. SOURCE...Trained weather spotters. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. Locations impacted include... Philadelphia, Camden, Wilmington, Newark, West Chester, Gloucester City, Norristown, Chester, Pottstown, West Deptford, Phoenixville, Lansdale, West Norriton, East Norriton, and Pennsville.

Lifecycle record

Official revisions

2 captured
  1. Update

    Severe Thunderstorm Warning issued August 20 at 5:53PM EDT until August 20 at 6:15PM EDT by NWS Mount Holly NJ

    Official revision
  2. Alert

    Severe Thunderstorm Warning issued August 20 at 5:27PM EDT until August 20 at 6:15PM 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