A tornado or severe thunderstorm watch means it's time to prepare. A warning means dangerous weather is happening or imminent and it's time to take action. Here's what to know and what to do.

A tornado watch has been issued for parts of New Jersey, bringing with it strong winds that have knocked out power to thousands of homes and businesses in New Jersey. NJ.com’s Power Outage Tracker, which monitors reports from the four major utility companies in the state,

Communities in the western part of North Carolina were hit with severe weather on July 28. What you need to know about it.

Syracuse, N.Y. — The National Weather Service has issued a tornado watch for much of Upstate New York through early Thursday morning. A couple of strong tornadoes carrying winds up to 110 mph are possible, the weather service said.

Forecasters say some of the thunderstorms that develop today could be strong enough to spawn tornadoes with damaging winds, along with very heavy rain.

Southeast Michigan is under a severe thunderstorm watch for Thursday afternoon and evening, with the risk of strong winds and hail.