≋floodactive

Flash Flood Warning issued July 29 at 12:56AM EDT until July 29 at 5:00AM EDT by NWS Mount Holly NJ

8.0

39.7300° N, 74.2611° W·US-NJ

Started 3h ago

Event Details

Typeflood

Severity8.0

Statusactive

Location39.7300°N, 74.2611°W (US-NJ)

Started2026-07-29T04:56:00+00:00

Last Updated2026-07-29T08:01:14.828+00:00

Sourcenoaa_ahps

Source URLapi.weather.gov

Confidence1.00

Impact Zones

Catastrophic Impact Zone

Flash flooding or major flood stage. Immediate danger to life and property.

NWS polygon

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

Impact Analysis

Note: Zone 1 uses NWS polygon geometry. Exposure for this zone is pending polygon-based computation — totals reflect outer zones only.

Population from ACS 5-Year 2022 tract sampling; structure counts from Microsoft Building Footprints or Census ACS housing data, capped by USGS NLCD 2021 developed land. Estimates for situational awareness — not for actuarial, regulatory, or underwriting use.

Historical Comparison

2011 MONMOUTH County, NEW JERSEY Flood (2011)66% match

Flood in NEW JERSEY, 46km from current event, $10M in recorded damage

MONMOUTH County, NEW JERSEYDamage: $10.0M

2011 OCEAN County, NEW JERSEY Flood (2011)66% match

Flood in NEW JERSEY, 47km from current event, $10M in recorded damage

OCEAN County, NEW JERSEYDamage: $10.0M

2021 PHILADELPHIA County, PENNSYLVANIA Flash Flood (2021)65% match

Flash Flood in PENNSYLVANIA, 74km from current event, $40M in recorded damage

PHILADELPHIA County, PENNSYLVANIADamage: $40.0M

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

View on Live Map

US-NJ flood hazard profile All US hazard profiles Scoring methodology

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