From a surprising heatwave in California to blizzards burying parts of the Midwest and storms rolling over the East Coast, chaotic weather ut more than half the nation's population in the path of extreme conditions.

Sunday was a quiet and dry day with mostly cloudy skies as the breeze kicked up a little in the afternoon and temperatures topped out mostly in the mid 40s.

A series of powerful storms battered North America between March 12 and 17, bringing relentless winds, heavy snow, blizzard conditions and severe thunderstorms.Incredible timelapse satellite imagery

Baltimore City saw some localized street flooding, including at the end of Thames Street, an area that typically sees high water during storms.

Multiple threats from severe storms on Monday, including damaging wind gusts and tornadoes, from a powerful cold front.

School districts across Virginia are canceling classes on Monday due to a Level 4 severe weather risk with tornadoes, damaging winds and hail possible.

Today we have a very rare moderate (level 4/5) risk for severe weather in parts of our region. The last time we had a moderate risk was almost 5 years ago.

Philadelphia and its suburbs could see severe storms on Monday night. Bouts of heavy rain and strong wind gusts up to 50 MPH are expected. PHILADELPHIA - Philadelphia is bracing for a round of wet,