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Flash Flood Warning issued August 3 at 9:57AM EDT until August 3 at 1:00PM EDT by NWS Upton NY

8.0

41.4610° N, 72.2629° W·US-CT

Started 2h ago

Event Details

Typeflood

Severity8.0

Statusactive

Location41.4610°N, 72.2629°W (US-CT)

Started2026-08-03T13:57:00+00:00

Last Updated2026-08-03T16:00:44.246+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

2010 NEW LONDON County, CONNECTICUT Flood (2010)70% match

Flood in CONNECTICUT, 21km from current event, $1M in recorded damage

NEW LONDON County, CONNECTICUTDamage: $1.1M

2010 NEW LONDON County, CONNECTICUT Flood (2010)69% match

Flood in CONNECTICUT, 15km from current event, $200K in recorded damage

NEW LONDON County, CONNECTICUTDamage: $200K

2010 NEW LONDON County, CONNECTICUT Flood (2010)69% match

Flood in CONNECTICUT, 18km from current event, $260K in recorded damage

NEW LONDON County, CONNECTICUTDamage: $260K

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

View on Live Map

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

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