Heat Warning Issued for Ontario, Extreme Temperatures Expected

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Environment and Climate Change Canada (ECCC) has released a heat warning for a broad spectrum of locations in Ontario, including Greater Sudbury, Timmins, Sault Ste. Marie, and Moosonee, among others.

This advisory has been prompted in situations where the forecasted temperature is expected to exceed 29°C in the daytime and 18°C during the night for two consecutive days, or if the humidex soars above 36°.

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The advisory details an anticipated hot air mass that will begin to pervade these areas starting from Sunday and potentially continuing into Wednesday in certain locations. Despite some areas presenting overnight temperatures that are lower than the thresholds of the warning criteria, the conditions involving high humidex and daytime temperatures are abnormal for the early days of September.

ECCC anticipates the maximum temperatures for Sunday and Monday to be within the range of 28°C to 35°C, with a ‘feels-like’ temperature of up to 40°C factoring in the humidex. The height of these scorching temperatures is predicted to occur on Monday and Tuesday. However, there might be a temporary respite from these conditions, with overnight lows dropping to 14°C to 17°C.

ECCC meteorologists anticipate a cold front passing through the region, anticipated to disperse the heat on Tuesday and Wednesday. However, they also caution that the hot and humid air can negatively impact air quality, potentially elevating the Air Quality Health Index into the high-risk category.

The warning also emphasized that the health risks associated with these conditions are more severe for certain populations, including young children, pregnant women, older adults, individuals with chronic illnesses, and those who work or exercise outdoors.

Adverse effects of heat illness can include swelling, rashes, cramps, fainting, heat exhaustion, heat stroke, and exacerbated health conditions. Experts advocate for staying in cool locations and drinking ample amounts of water, even if you don’t feel thirsty.

The advisory also recommends regularly checking on older family members, friends, and neighbors, to ensure they stay cool and hydrated. This cautionary advice underscores the severity of these temperature conditions and the vital importance of community care during periods of extreme heat.