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Coastal Flood Warning issued September 25 at 5:27AM EDT until September 27 at 6:00PM EDT by NWS Upton NY

7.0
40.6948°N, 73.2117°W·US-NY
Started just now
NWS flood alerts data as of
Event Details
Typeflood
Severity7.0
Statusactive
Location40.6948°N, 73.2117°W (NY)
Started2026-09-25T22:00:00+00:00
Last Updated2026-09-25T12:20:50.63+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

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
2014 SUFFOLK County, NEW YORK Flash Flood79% match

Flash Flood in NEW YORK, 13km from current event, $35M in recorded damage

SUFFOLK County, NEW YORKDamage: $35.2M
2024 SUFFOLK County, NEW YORK Flash Flood71% match

Flash Flood in NEW YORK, 24km from current event, $500K in recorded damage

SUFFOLK County, NEW YORKDamage: $500K
2021 SUFFOLK County, NEW YORK Flash Flood70% match

Flash Flood in NEW YORK, 35km from current event, $3M in recorded damage

SUFFOLK County, NEW YORKDamage: $3.2M

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

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Related
US-NY flood hazard profileAll US hazard profilesScoring methodology

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