Severe · Flash Flood WarningThis alert has expired. It is kept for reference.
Flash Flood Warning issued September 13 at 12:44PM EDT until September 13
Affecting Middlesex, CT; New London, CT
In effect until: Sep 13, 2026, 6:30 PM
Middlesex, CT; New London, CT
Likely impact across 2 counties in CT; effects through 6:30 PM.
Get to higher ground now. Never drive through flooded roads.
Read the original bulletin (official text)
FFWOKX The National Weather Service in Upton has extended the * Flash Flood Warning for... Central Middlesex County in southern Connecticut... New London County in southern Connecticut... * Until 230 PM EDT. * At 1244 PM EDT, Doppler radar and automated rain gauges indicated heavy rain falling across the warned area. Between 1 and 3.5 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall amounts of 0.5 to 1.5 inches are possible in the warned area. Flash flooding is already occurring. HAZARD...Flash flooding caused by heavy rain. 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... Jewett City, Norwich, New London, Colchester, Groton, Salem, Mystic, Waterford, East Lyme, Ledyard, Griswold, East Haddam, Old Lyme, Lebanon, Preston, Lisbon, Sprague, Bozrah, Voluntown and Lyme.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™