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Flood Warning issued October 11 at 4:31PM EDT until October 11 at 9:30PM EDT by NWS Mount Holly NJ

7.0
39.9976°N, 75.1433°W·US-PA
Started 2h ago
NWS flood alerts data as of
Event Details
Typeflood
Severity7.0
Statusactive
Location39.9976°N, 75.1433°W (PA)
Started2026-10-11T20:31:00+00:00
Last Updated2026-10-11T22:40:48.257+00:00
Sourcenoaa_ahps
Source URLapi.weather.gov
Confidence1.00
Impact Zones
Modeled Inundation
Where the National Water Model's latest analysis puts water inside the warning area. Experimental; the warning polygon is the official boundary.
NWS polygon
Severe Impact Zone
Active flood warning area. Significant property damage possible.
NWS polygon

Zone estimates are based on scientific models and may differ from actual local conditions.

Impact Analysis

This event's zone is the NWS warning polygon. Population and structure estimates are not computed inside NWS polygons yet, so none are shown.

Historical Comparison
2021 PHILADELPHIA County, PENNSYLVANIA Flash Flood85% match

Flash Flood in PENNSYLVANIA, 5km from current event, $60M in recorded damage

PHILADELPHIA County, PENNSYLVANIADamage: $60.0M
2011 BURLINGTON County, NEW JERSEY Flood81% match

Flood in NEW JERSEY, 8km from current event, $50M in recorded damage

BURLINGTON County, NEW JERSEYDamage: $50.0M
2021 MONTGOMERY County, PENNSYLVANIA Flash Flood80% match

Flash Flood in PENNSYLVANIA, 14km from current event, $20M in recorded damage

MONTGOMERY County, PENNSYLVANIADamage: $20.0M

Historical comparison based on peril type, geography, and severity. Past events do not predict future outcomes.

View on Live Map
Related
Philadelphia County, PA disaster historyAll US hazard profilesScoring methodology

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Zone estimates are based on scientific models and may differ from actual local conditions.