27 Jun 2023 | 11:54 AM UTC
Canada: High temperatures forecast to persist across parts of Alberta and Northwest Territories through at least July 1
Heatwave forecast across parts of Alberta and Northwest Territories, Canada, through July 1. Transport and power disruptions possible.
Event
High temperatures are forecast to persist in parts of western Canada through at least July 1. As of June 27, Environment Canada has issued red heat warnings for parts of northern and south-central Alberta and southern and west-central Northwest Territories. Temperatures of up to around 29-30 C (84-86 F) are expected in the affected areas over the coming days, before abating in northern Alberta and southern and west-central Northwest Territories from June 30 and in south-central Alberta from July 1-2. Officials could update and possibly extend the coverage of weather alerts over the coming days.
Dozens of wildfires have broken out in recent weeks amid the hot and dry conditions in the region, and smoke from the fires is causing a decline in air quality across large parts of west-central Canada. Special air quality statements have been issued across northern Alberta. The persistent heat in the coming days could trigger additional wildfires and potentially result in a further deterioration of air quality across the region.
The high temperatures may result in increased energy and water demand and a heightened risk of heat-related illnesses, such as heat exhaustion and heat stroke. Authorities are advising the general public to avoid prolonged exposure to direct sunlight, wear loose and light clothing, and stay hydrated.
Hazardous Conditions
The extended period of oppressive heat and dry conditions may produce ideal circumstances for wildfire growth throughout the region. Heatwaves also pose a threat to vulnerable groups - such as the elderly, children, pregnant women, and those with respiratory illnesses - due to the increased possibility of heat stroke or heat exhaustion during prolonged exposure to high temperatures. These health risks could also extend to relatively healthy individuals during significant heatwave events.
Transport and Utilities
Very high temperatures may warp rail tracks and force passenger and freight trains to operate at reduced speeds. Road surface damage is also possible, and overheated vehicles may worsen traffic problems in urban areas where congestion is already a problem. Commercial trucking disruptions might occur as very high temperatures stress vehicles, making tire blowouts more common. Major flight disruptions are unlikely, but general aviation disruptions are possible, and some airfreight carriers could reduce cargo loads. High temperatures could lead to an increased demand for electricity, which might trigger localized brownouts or blackouts, exacerbating hazardous conditions when air conditioning is no longer possible.
Advice
Monitor local media for weather updates and related advisories. During heat waves, remain indoors in air conditioning when possible. If outdoor activities are necessary, frequently rest in shaded areas; avoid activity during the hottest times of the day. Stay well hydrated by drinking plenty of fluids. Avoid alcoholic beverages, which are dehydrating - drink bottled water or water that has been boiled. Wear loose-fitting, light-colored clothing. Cotton fabrics are more cooling than synthetics. Promptly seek medical attention if signs of heat exhaustion or heat stroke develop. Charge battery-powered devices in case prolonged electricity outages occur.
