Expect 50 mm of rain over 12 hours or less, or 80 mm of rain in less than 24 hours. A frost warning is issued when air temperatures are expected to fall to near freezing or below during the growing season, approximately May 15 to October 15. Secure or put away loose objects such as outdoor furniture, put your car in the garage, and bring livestock to shelter. Dust storm advisory Issued in the prairie provinces when blowing dust caused by high winds has reduced visibility to one kilometre or less. Under extreme conditions of widespread zero visibility, this bulletin may be issued as a warning.
Dust can impair breathing for people and animals, and make travel hazardous.
Blizzard warning Expect snow or blowing snow, with a severe windchill and visibility reduced to less than one kilometre, for four hours or more. Stock up on heating fuel and food. Stay indoors and wait out the storm. Travel could become hazardous. Be prepared to cancel travel plans and stay indoors.