The National Weather Service in Upton has issued a Flash Flood Watch for
* portions of southern Connecticut, northeast New Jersey and southeast New York… including Hudson County… from late Monday night through Tuesday afternoon
* Showers and thunderstorms with a warm frontal passage could produce heavy rain capable of causing urban flash flooding in the New York City metropolitan area.
* Rainfall of 1 to 2 inches… with local amounts as high as 3 inches and rainfall rates of up to 2 inches per hour… are expected. While the heaviest rain is not expected to be widespread… urban areas that receive the heaviest amounts could experience disruptive impacts.
* Despite dry conditions, some fast-responding small streams in northeast New Jersey could approach bank full if directly impacted. Larger streams and main Stem rivers should not experience flooding.
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.