NWS Upton NYFF.W 0036August 3, 2026
Flash Flood Warning: Middlesex, New Haven and New London, CT
The National Weather Service office in Upton issued a flash flood warning for Middlesex, New Haven and New London in Connecticut, which was in force until 1:00 p.m. local time on August 3. It was the 36th flash flood warning the NWS office in Upton issued in 2026. Connecticut had 7 flash flood warnings in August 2026, against 5 in an average August of 2008-2025 (Connecticut's flash flood warnings by year).
ExpiredWarning
In force for 3.1 hours; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Upton NY
- Area
- Middlesex, New Haven and New London
- State
- Connecticut
- Level
- Warning
- Issued
- 9:57 a.m. EDT, August 3, 2026
- Expires
- 1:00 p.m. EDT, August 3, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Immediate
- VTEC event
- KOKX FF.W 0036
- Official source
- National Weather Service: the notice at its source
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
FFWOKX The National Weather Service in Upton has issued a * Flash Flood Warning for... Middlesex County in southern Connecticut... Southeastern New Haven County in southern Connecticut... New London County in southern Connecticut... * Until 100 PM EDT. * At 957 AM EDT, Doppler radar indicated heavy downpours and thunderstorms producing heavy rain across the warned area. Between 1 and 2.5 inches of rain have fallen over the last 6 hours. Rainfall rate of 1 to 2 inches in 1 hour are likely. Additional rainfall amounts of 1 to 3 inches are possible in the warned area through 1pm. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Jewett City, Middletown, Norwich, New London, Guilford, Colchester, Clinton, East Hampton, Groton, Old Saybrook, Durham, Salem, Chester, Mystic, Branford, Waterford, East Lyme, Ledyard, North Branford and Griswold.
What the agency told people to do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Stay away or be swept away. River banks and culverts can become unstable and unsafe.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.