Warning ends after possible tornado reported in Wetaskiwin County near Knob Hill

A tornado warning issued Wednesday as a powerful storm moved through central Alberta has ended.

According to a critical alert issued by Alberta Emergency Alert around 9 p.m. Wednesday, a rotating severe thunderstorm that was possibly producing a tornado was located near Knob Hill, moving toward the northeast at 35 km/h.

Knob Hill and Yeoford were the communities in the path of the tornado, the alert said.

The alert was cancelled at 9:27 p.m., but severe thunderstorm warnings remained in effect overnight for some communities, including Red Deer, Devon and Drayton Valley.

The storm is capable of producing strong wind gusts, up to toonie-size hail and heavy rain, Environment Canada warned. 

"Take cover immediately, if threatening weather approaches. Strong wind gusts can toss loose objects, damage weak buildings, break branches off trees and overturn large vehicles," the agency wrote in its warning. 

"Remember, severe thunderstorms can produce tornadoes."

There were also severe thunderstorm watches in effect for many communities including Edmonton, Grande Prairie and Medicine Hat.

In the event of a tornado or tornado warning, it is recommended that residents:

• Go indoors to a room on the lowest floor.
• Move away from outside walls and windows.
• Leave mobile homes, vehicles, tents, trailers or other temporary shelters.
• Move to a strong building, if possible.

For a full list of current weather warnings, click here.