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Flash Flood Warning issued July 27 at 5:35PM EDT until July 27 at 8:45PM EDT by NWS Upton NY

8.0

41.0469° N, 73.9262° W·US-NJ

Started 2h ago

Event Details

Typeflood

Severity8.0

Statusactive

Location41.0469°N, 73.9262°W (US-NJ)

Started2026-07-27T21:35:00+00:00

Last Updated2026-07-27T23:50:54.602+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

2021 WESTCHESTER County, NEW YORK Flash Flood (2021)82% match

Flash Flood in NEW YORK, 14km from current event, $93M in recorded damage

WESTCHESTER County, NEW YORKDamage: $92.6M

2021 BRONX County, NEW YORK Flash Flood (2021)80% match

Flash Flood in NEW YORK, 18km from current event, $60M in recorded damage

BRONX County, NEW YORKDamage: $60.0M

2021 NEW YORK County, NEW YORK Flash Flood (2021)80% match

Flash Flood in NEW YORK, 19km from current event, $60M in recorded damage

NEW YORK County, NEW YORKDamage: $60.0M

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.