Connecticut Severe Flash Flood Warning | Effective 09-13-2026 07:21

Headline: 
Flash Flood Warning issued September 13 at 10:21AM EDT until September 13 at 12:30PM EDT by NWS Upton NY
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
September 13, 2026 - 7:21am
Expires: 
September 13, 2026 - 9:30am
Description: 
FFWOKX The National Weather Service in Upton has extended the * Flash Flood Warning for... Central Fairfield County in southern Connecticut... Middlesex County in southern Connecticut... Southern New Haven County in southern Connecticut... Southwestern New London County in southern Connecticut... * Until 1230 PM EDT. * At 1021 AM EDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 2.5 and 3.5 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall amounts of 1 to 1.5 inches are possible in the warned area. Flash flooding is already occurring. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar and automated gauges. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... New Haven, Milford, Middletown, Wallingford, Shelton, Guilford, Colchester, Clinton, East Hampton, Old Saybrook, Durham, Chester, Hamden, Stratford, Branford, North Haven, East Lyme, Seymour and North Branford.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. 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.
SNM: AVISO DE INUNDACIONES REPENTINAS hasta 12:30 PM EDT. Evite areas inundadas.
Servicio Nacional de Meteorologia: AVISO DE INUNDACIONES REPENTINAS en efecto para esta area hasta las 12:30 PM EDT. Esta es una situacion peligrosa y amenaza la vida. No intente viajar a menos que sea para abandonar un area propensa a inundaciones o bajo una orden de desalojo.
Area Description: 
Fairfield, CT; Middlesex, CT; New Haven, CT; New London, CT
Forcast Office: 
NWS Upton NY
Sender: 
w-nws.webmaster@noaa.gov