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."
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A storm will continue to unleash heavy rain, gusty winds and mountain snow across Northern California into Tuesday.
The risk for severe thunderstorms will ramp up across the Ohio Valley states and lower Great Lakes region to end the week.
Several storm systems will bring rounds of gusty winds and rain to Germany this week.
Blustery showers and strong wind gusts will lead to difficult travel at times this week.
Heavy snow and gusty winds may unfold as a strong storm system sweeps colder air across the central United States late this week.
Tropical Cyclone Alfred will threaten coastal communities around the Gulf of Carpentaria with flooding downpours through early this week.
A stormy weather pattern unfolding across Europe this week will lead to showers and gusty winds sweeping into Germany on a daily basis.
Heavy rain, mountain snow and gusty winds will pound the northwestern United States early this week, with the most significant impacts targeting Northern California.