An unusually long and far-reaching communications outage hobbled the National Weather Service just as deadly severe thunderstorms were tearing across the Midwest and Ohio Valley on Tuesday evening.

The warning was for Imperial and Riverside counties. "The dust storm which prompted the warning has weakened. Therefore, the dust storm warning will be allowed to expire. Areas of blowing dust may continue to produce low visibility at times,

A National Weather Service meteorologist explained that if there was a tornado, it may have been difficult to see on the radar due to the storm's size.

It's a 9 First Warning Weather Alert Day for the Tri-State with the threat for severe storms and flash flooding.

Add Yahoo as a preferred source to see more of our stories on Google. A tornado warning is in effect for parts of northwest Indiana and southwest Michigan until 1:30 p.m., the National Weather Service said on Aug. 11. The warning includes Elkhart County in ...

Multiple Chicago area counties are under a tornado warning as a line of severe storms and a possible derecho barrel through the area Tuesday morning.