Global News Calgary posted this video of a storm on Tuesday, Aug. 14, in Calgary, Canada.
The reported winds sustained as high as 41 mph and gusting to as high as 60 mph north-northwest. The thunderstorm was between 2:45 and 4:00 p.m. local time at Calgary International and Calgary/Springbank Airport.
"Jay Mangat shot this amazing footage as a sign on Deerfoot approaching 32nd Ave in the NE of Calgary was being blown around. At the end of the video, one of the signs fall off due to the violent shaking."
Rain and thunderstorms spreading to the East on Tuesday will put the brakes on the warmup following Easter weekend.
While remaining on a localized level through Tuesday, severe weather will ramp up across the Plains on Wednesday.
Although spring may be in full swing, more than one-third of the Great Lakes remains covered in ice.
A potent area of low pressure moving into the West will dictate the weather from Washington to Texas heading into the new week.
After taking a tumble Easter Sunday, temperatures will quickly rebound in Boston for Patriots' Day.
There hasn't been any measurable precipitation in San Francisco since April 4.
Southeastern Ohio (1901)
Unusually heavy snow: Warren, OH, 35.5" of snow; Green Hill, OH, 28" fell in 36 hours.
Mississippi & Alabama (1920)
Tornado swarm killed 219.
Late season cold wave: Douglas, WY - 12 degrees (April record) Lander, WY - 10 degrees Cheyenne, WY - 2 degrees