On Sunday at 10:01 p.m. an updated flash flood warning was issued by the National Weather Service in effect until Monday at midnight for Bucks, Montgomery and Philadelphia counties.

A flash flood warning has been issued for three New Jersey counties on Sunday evening as severe thunderstorms hit parts of the state. The flash flood warning has been issued for Essex, Hudson, and Union counties until 9:15 p.m.

A flash flood warning was issued by the Nation Service on Sunday at 6:14 p.m. in effect until 9:15 p.m. for Essex, Hudson and Union counties.

The watch was in place for Southern Blue Mountains of Oregon, John Day Basin and Ochoco-John Day Highlands.

CBS News Meteorologist Kylee Miller says we still can't rule out having an isolated storm pop up during the afternoon.

"The National Weather Service in Tucson has issued a Flash Flood Warning for: Eastern Pima County in southeastern Arizona, Until 5:45 p.m. MST. At 4:49 p.m. MST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Flash flooding is already occurring.

We bust out the calculators and break down how fast each version of The Flash can run, and present the final physics-defying top speed.

Chinese state media say a flash flood has swept through a campsite in north China, killing several people and leaving others missing.