Extreme heat to begin Sunday afternoon in GTA, surrounding cities: Environment Canada
CBC
Environment Canada has placed the Greater Toronto Area and surrounding cities under a heat warning, saying dangerously hot and humid conditions will begin Sunday afternoon and continue into next week.
Daytime highs are expected between 31 and 36 C. Humidex values, which reflect how hot it feels, may range between 40 and 45, Environment Canada said.
Overnight lows are forecast between 21 and 25 C, which the weather agency said will provide "little relief from the heat."
The warning is in effect for the following areas: Toronto, Mississauga, Brampton, Richmond Hill, Vaughan, Markham, Newmarket, Georgina, northern York Region, Durham Region, Pickering, Oshawa, Uxbridge, Beaverton, Simcoe, Halton Hills, Milton, Barrie, Collingwood and Hillsdale.
Extreme heat is expected to continue until Tuesday night. It may continue Wednesday for southwestern Ontario and the GTA, depending on the movement of an expected cold front.
"I am urging all residents to stay cool, drink lots of water and look after each other," Toronto Mayor Olivia Chow said Saturday at an unrelated city news conference.
People are advised to watch for symptoms of heat stroke, which is a medical emergency, in themselves and others. Symptoms can include red and hot skin, dizziness, nausea, confusion and change in consciousness.
"While you wait for medical attention, try to cool the person by moving them to a cool place, removing extra clothing, applying cold water or ice packs around the body," Environment Canada advised.
The weather agency also advised people to drink water often, even before feeling thirsty, and close blinds and open windows if the outside is cooler than inside.
"If your living space is hot, move to a cool public space such as a cooling centre, community centre, library or shaded park," the heat warning says.
People are also advised to check in regularly on those at greater risk of heat illness, including the elderly and those living alone.
Signs of heat exhaustion may include headache, nausea, dizziness, thirst, dark urine and intense fatigue. If you experience these symptoms, Environment Canada advises stopping your activity and drinking water.
When going outside, people are advised to limit exposure to sun and heat by planning activities during the coolest parts of the day and wearing lightweight, light-coloured, loose fitting clothing.
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