The National Weather Service has issued a severe thunderstorm watch for Nassau county, New York City, Rockland and Westchester counties. It is in effect until 10 p.m.

A severe thunderstorm watch indicates that conditions have created a significant risk for severe weather, but it is not actually occuring. Severe thunderstorms can and occasionally do cause tornadores.

Check the latest forecast.

Get the latest news and more great videos at NewsdayTV Credit: Newsday

Immigration crackdown on farms ... Another hot, hazy day ... America 250: Liberty Day ... What's up on LI ... Get the latest news and more great videos at NewsdayTV

Get the latest news and more great videos at NewsdayTV Credit: Newsday

Immigration crackdown on farms ... Another hot, hazy day ... America 250: Liberty Day ... What's up on LI ... Get the latest news and more great videos at NewsdayTV

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