The heatwave that has been affecting much of Ontario this week is just the beginning of what weather experts predict to be a very hot and humid summer.
While June may see some cooler days mixed with above-normal temperatures, Weather Network senior meteorologist Doug Gillham warns that the heat will intensify and linger through July, August, and even into September.
He also mentions that the entire province, especially northern Ontario, should prepare for extended periods of dry weather, along with an increased risk of poor air quality due to smog and smoke.
Extreme Heat Risks
Environment Canada has issued extreme heat warnings across most of the province as temperatures soar into the 40s, increasing the risk of heat-related illnesses like heat stroke.
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Gillham emphasizes that the risk of heat-related illnesses will be significantly higher during this heatwave due to prolonged hot temperatures and high humidity, which can be a dangerous combination.
He underscores that extreme heat is a major cause of weather-related deaths globally, surpassing the combined fatalities from tornadoes and hurricanes each year.
While staying indoors may seem like a safe option, it’s important to note that most heat-related deaths in Canada actually occur indoors. Lack of proper cooling methods can lead to dehydration and worsen existing health conditions like asthma or heart disease.
Energy Issues
Francis Bradley, CEO of Electricity Canada, warns that the country’s electricity grid is increasingly vulnerable to extreme weather events due to rising demand.
He mentions that peak demands for electricity are on the rise in various regions, driven partly by the growing popularity of electric vehicles and other clean-energy technologies.
Bradley points out that no single province has a perfect solution to address the rising demand, citing previous instances where Ontario had to ask customers to reduce consumption during heatwaves.
He recalls a record peak demand for electricity in Ontario in 2006 during extreme heat, highlighting the importance of energy conservation during such periods.
With another hot summer expected in Ontario, the province recently conducted Exercise Heatwave to prepare municipalities for extreme heat emergencies, emphasizing the importance of having designated cooling centers for those without air conditioning.
Many urban centers like Toronto and Ottawa have interactive maps and resources available to assist individuals without air conditioning or housing in staying cool during extreme heat events. The province of Ontario recommends setting up health checks for at-risk family and friends, particularly those without access to air conditioning.
Health Canada warns that extreme heat can pose serious risks to older adults, young children, pregnant women, individuals with chronic illnesses, outdoor workers, those with low incomes, and people experiencing homelessness. Heat-related illnesses can lead to long-term health issues and even death.
Signs of heat exhaustion include high body temperature, skin rash, muscle cramps, nausea, heavy sweating, headache, rapid breathing, extreme thirst, and dark urine. Heat stroke, characterized by confusion, dizziness, lack of coordination, fainting, and hot, red skin with no sweating, requires immediate medical attention.
To prevent dehydration, Health Canada advises staying hydrated by drinking water before feeling thirsty. They also recommend preparing meals that do not require oven use, closing curtains or blinds to block out the sun, and using air conditioning or fans to stay cool indoors.
When outdoors, it is important to wear loose, light-colored clothing, a wide-brimmed hat, and sunscreen to protect against sunburn and heat-related skin issues. Sunburned skin can impair the body’s ability to regulate temperature efficiently.
This article was adapted for WordPress from a report by The Canadian Press.
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