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Flood Warning issued September 28 at 4:24AM EDT until September 28 at 10:30AM EDT by NWS Mount Holly NJ

7.0
40.1440°N, 74.1220°W·US-NJ
Started 2h ago
NWS flood alerts data as of
Event Details
Typeflood
Severity7.0
Statusactive
Location40.1440°N, 74.1220°W (NJ)
Started2026-09-28T08:24:00+00:00
Last Updated2026-09-28T10:50:46.451+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 MONMOUTH County, NEW JERSEY Flash Flood72% match

Flash Flood in NEW JERSEY, 33km from current event, $5M in recorded damage

MONMOUTH County, NEW JERSEYDamage: $5.0M
2021 RICHMOND County, NEW YORK Flash Flood70% match

Flash Flood in NEW YORK, 55km from current event, $60M in recorded damage

RICHMOND County, NEW YORKDamage: $60.0M
2021 MIDDLESEX County, NEW JERSEY Flash Flood69% match

Flash Flood in NEW JERSEY, 57km from current event, $50M in recorded damage

MIDDLESEX County, NEW JERSEYDamage: $50.0MFatalities: 3

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

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Related
Monmouth County, NJ disaster historyAll US hazard profilesScoring methodology

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