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Flash Flood Warning issued July 30 at 8:43AM EDT until July 30 at 11:45AM EDT by NWS Boston/Norton MA

8.0

41.3911° N, 71.7467° W·US-RI

Started 2h ago

Event Details

Typeflood

Severity8.0

Statusactive

Location41.3911°N, 71.7467°W (US-RI)

Started2026-07-30T12:43:00+00:00

Last Updated2026-07-30T14:40:44.155+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)76% match

Flood in CONNECTICUT, 9km from current event, $4M in recorded damage

NEW LONDON County, CONNECTICUTDamage: $4.0M

2021 NEW LONDON County, CONNECTICUT Flash Flood (2021)75% match

Flash Flood in CONNECTICUT, 12km from current event, $706K in recorded damage

NEW LONDON County, CONNECTICUTDamage: $706K

2010 WASHINGTON County, RHODE ISLAND Flood (2010)74% match

Flood in RHODE ISLAND, 23km from current event, $25M in recorded damage

WASHINGTON County, RHODE ISLANDDamage: $24.8M

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

View on Live Map

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

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