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Tropical Center

Flash Flood Watch


Event Continued Expired

Start Time

Sat 08/11/2018 03:23 AM EDT

End Time

Sun 08/12/2018 08:00 AM EDT




Moderate impact


...Flash Flooding Possible into Tonight...

Full Alert Message

Flood Watch National Weather Service New York NY 323 AM EDT Sat Aug 11 2018 ...Flash Flooding Possible into Tonight... CTZ005>012-NJZ002-004-006-103>108-NYZ067>075-078>081-176>179- 120000- /O.CON.KOKX.FF.A.0007.000000T0000Z-180812T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Northern Fairfield-Northern New Haven-Northern Middlesex- Northern New London-Southern Fairfield-Southern New Haven- Southern Middlesex-Southern New London-Western Passaic- Eastern Passaic-Hudson-Western Bergen-Eastern Bergen- Western Essex-Eastern Essex-Western Union-Eastern Union-Orange- Putnam-Rockland-Northern Westchester-Southern Westchester- New York (Manhattan)-Bronx-Richmond (Staten Island)- Kings (Brooklyn)-Northwestern Suffolk-Northeastern Suffolk- Southwestern Suffolk-Southeastern Suffolk-Northern Queens- Northern Nassau-Southern Queens-Southern Nassau- 323 AM EDT Sat Aug 11 2018 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH SUNDAY MORNING... The Flash Flood Watch continues for * Portions of southern Connecticut, northeast New Jersey, and southeast New York, including the following areas, in southern Connecticut, Fairfield, Middlesex, New Haven, New London. In northeast New Jersey, Bergen, Essex, Passaic, Union, Hudson. In southeast New York, Bronx, Kings (Brooklyn), New York (Manhattan), Suffolk, Nassau, Queens, Westchester, Orange, Putnam, Richmond (Staten Island), and Rockland. * Through Sunday morning * Numerous showers and thunderstorms will develop over the area today into tonight. Rainfall rates of 1 to 2 inches an hour are possible. An average of 1 to 2 inches of rainfall is likely across much of the region, with locally 3 to 5 inches possible through tonight. * Areas of urban and poor drainage flooding are likely, with flash flooding possible in locations that experience successive thunderstorms moving through. * With 2 to 5 inches of rainfall since the start of the month, the river basins of Northeastern New Jersey, the Lower Hudson Valley and Southwestern Connecticut are particularly vulnerable to flash flooding. This is especially true for areas along quick responding creeks, streams and small rivers that are already running at above normal levels for this time of year. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to flash flooding. Flash flooding is a very dangerous situation. You should monitor later forecasts and be prepared to take action should flash flood warnings be issued. &&