From Environment Canada Website
Watches
City of Calgary
2:45 PM MDT Monday 7 July 2008
Severe thunderstorm watch for
City of Calgary issued
Severe thunderstorms are possible this afternoon.
This is an alert to the potential development of severe thunderstorms with large hail and damaging winds.
Monitor weather conditions..Listen for updated statements. If threatening weather approaches take immediate safety precautions.
Airmass is unstable over southern Alberta and conditions are favourable for thunderstorms development this afternoon. Some of these thunderstorms can become severe with strong winds, large hail and heavy downpour.