Critical: Thunderstorm - Parts of Alberta
Source: Environment Canada
Issued: Aug 20, 2025 at 17:34 HRS
History:
-
- Alert: Aug 20, 2025 at 16:03 HRS
- Update: Aug 20, 2025 at 16:04 HRS
- Update: Aug 20, 2025 at 16:23 HRS
- Update: Aug 20, 2025 at 16:25 HRS
- Update: Aug 20, 2025 at 16:27 HRS
- Update: Aug 20, 2025 at 16:28 HRS
- Update: Aug 20, 2025 at 16:44 HRS
- Update: Aug 20, 2025 at 16:45 HRS
- Update: Aug 20, 2025 at 17:05 HRS
- Update: Aug 20, 2025 at 17:05 HRS
- Update: Aug 20, 2025 at 17:19 HRS
- Update: Aug 20, 2025 at 17:20 HRS
- Update: Aug 20, 2025 at 17:34 HRS
- Update: Aug 20, 2025 at 17:34 HRS
- Update: Aug 20, 2025 at 17:53 HRS
- Update: Aug 20, 2025 at 17:54 HRS
- Update: Aug 20, 2025 at 18:21 HRS
Description: Severe thunderstorm warning in effect
At 5:34 p.m. Mountain Daylight Time Wednesday, Environment Canada has updated a severe thunderstorm warning for Southeastern and South Central Alberta. Extra care and attention should be exercised. The following localities are included in the warning: Medicine Hat, Bow Island, Suffield, Brooks, Strathmore and Vulcan. Environment Canada meteorologists are tracking a very dangerous thunderstorm capable of producing damaging wind gusts, up to baseball size hail and heavy rain.
Area: Co. of Newell near Brooks Rosemary and Duchess
Affected areas (7):
- Newell County No. 4
- Brooks
- Duchess
- Rosemary
- Cypress County
- Special Area No. 2
- Tilley
Action to take:
- Take cover immediately if threatening weather approaches
- Intense lightning is likely and tornadoes are possible with any thunderstorm that develops
Additional information:


