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NWS Upton NYFF.W 0060September 13, 2026

Flash Flood Warning: Fairfield, Middlesex, New Haven and 3 more, CT and NY

The National Weather Service office in Upton issued a flash flood warning for Fairfield, Middlesex, New Haven and 3 more in Connecticut, New York, which was in force until 12:00 p.m. local time on September 13. It was the 60th flash flood warning the NWS office in Upton issued in 2026. Connecticut had 5 flash flood warnings in September 2026, against 4 in an average September of 2008-2025 (Connecticut's flash flood warnings by year).

ExpiredWarning

Issued9:06 a.m. EDT, September 13, 2026
In force9:06 a.m. EDT, September 13, 2026
Expired12:00 p.m. EDT, September 13, 2026

In force for 2.9 hours; it has expired. The agency may have replaced it with a new notice.

The notice

Issued by
National Weather Service, Upton NY
Area
Fairfield, Middlesex, New Haven and 3 more
State
Connecticut
Level
Warning
Issued
9:06 a.m. EDT, September 13, 2026
Expires
12:00 p.m. EDT, September 13, 2026
CAP severity, certainty, urgency
Severe, Likely, Immediate
VTEC event
KOKX FF.W 0060
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... Central Fairfield County in southern Connecticut... Northern Middlesex County in southern Connecticut... Northwestern New Haven County in southern Connecticut... Western New London County in southern Connecticut... Putnam County in southeastern New York... Northern Westchester County in southeastern New York... * Until noon EDT. * At 906 AM EDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar and automated gauges. 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... Waterbury, Danbury, Meriden, Middletown, Wallingford, Naugatuck, Southbury, Wolcott, Colchester, East Hampton, Mount Kisco, Mahopac, Lake Carmel, Durham, Sherman, Brewster, Newtown, Hamden and Cheshire.

What the agency told people to do

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Move to higher ground now. Act quickly to protect your life. Be aware of your surroundings and do not drive on flooded roads. Excessive runoff from heavy rainfall will cause flooding of urban areas, highways, streets and underpasses as well as other drainage areas and low lying spots. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.

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.