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Active official alertUpdated

Flash Flood Warning for New Castle, DE; Delaware, PA

Official alert fields

What you need to know

Applies to
New Castle, Delaware
Effective
Ends or expires
Official severity
Severe
Official urgency
Immediate
Official certainty
Likely

What is happening

FFWPHI The National Weather Service in Mount Holly has issued a * Flash Flood Warning for... Northeastern New Castle County in northern Delaware... Southeastern Delaware County in southeastern Pennsylvania... * Until 745 AM EDT. * At 332 AM EDT, Doppler radar indicated thunderstorms producing heavy rain across the...

What the bulletin says to do

Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.

Full official description

Bulletin details

FFWPHI The National Weather Service in Mount Holly has issued a * Flash Flood Warning for... Northeastern New Castle County in northern Delaware... Southeastern Delaware County in southeastern Pennsylvania... * Until 745 AM EDT. * At 332 AM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Up to 1 inch of rain has fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flooding of small creeks and streams, urban areas, highways, streets, and underpasses as well as other drainage and low lying areas. * Some locations that may experience flash flooding include... Philadelphia, Wilmington, Chester, Yeadon, Carneys Point, Folcroft, Swarthmore, Penns Grove, Arden, Chester Township, Chelsea and Nether Providence Township. This includes the following highways... Interstate 476 in Pennsylvania between mile markers 0 and 7. Interstate 95 in Pennsylvania between mile markers 0 and 9. Interstate 95 in Delaware between mile markers 15 and 23.

Official geometry where available

Alert boundary

Lifecycle record

Official revisions

1 captured
  1. Alert

    Flash Flood Warning issued August 23 at 3:32AM EDT until August 23 at 7:45AM 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
Alert
Last collected
Methodology and corrections