Southwestern Manitoba under tornado watch, severe thunderstorm warnings as heat intensifies


Parts of southwestern Manitoba are on the lookout for potential tornadoes and severe thunderstorm warnings are in effect as the south is under a heat warning on Sunday, according to Environment Canada.

On Sunday afternoon, Environment Canada issued a tornado watch for areas surrounding Dauphin and Riding Mountain National Park. It later added severe thunderstorm warnings for Minnedosa and Riding Mountain National Park, as well as the Dauphin-Russell-Roblin-Winnipegosis regions and the Swan River-Duck Mountain-Porcupine Provincial Forest area.

Severe thunderstorms are expected to form in an unstable air mass over the Saskatchewan-Manitoba border in the afternoon, some of which could produce tornadoes.

Strong winds, heavy rain and large hail will accompany any severe thunderstorm.

The tornado watch covers the following areas:

  • Dauphin, Russell, Roblin and Winnipegosis.
  • Melita Provincial Park, Boissevain and Turtle Mountain.
  • Minnedosa and Riding Mountain National Park.
  • Swan River, Duck Mountain and the Porcupine Provincial Forest.
  • Virden and Mouse.

To the south and west, a heat warning is in place where temperatures will reach the mid 30s C, feeling much warmer throughout the day with the humidity.

Along with the heat, very humid conditions will develop in many regions, where Humidex readings will hover between 40 and 45, Environment Canada said in a heat warning.

Extreme heat expected in southern Manitoba on Sunday can put people and pets at risk. (Natacha Pisarenko/Associated Press)

In Winnipeg, where the Manitoba Marathon was held on Sunday, Humidex values ​​will likely climb to between 35 and 40 at 10 a.m. and could reach 40 C by noon.

The heat prompted organizers to cancel the event an hour into the race.

The sweltering air mass will remain in place through Monday. On Sunday night, the lows will be in the lower 20s and the daytime highs the next day will be back in the 30s.

Southwestern parts of Manitoba will drop slightly into the high 20s by the afternoon.

The weather alert covers the following areas:

  • Bissett, Victoria Beach, Nopiming Provincial Park and Pine Falls.
  • Brandon, Neepawa, Carberry and Treherne.
  • City of Winnipeg.
  • Dugald, Beausejour and Grand Beach.
  • Killarney, Pilot Mound and Manitou.
  • Melita Provincial Park, Boissevain and Turtle Mountain.
  • Morden, Winkler, Altona and Morris.
  • Portage la Prairie, Headingley, Brunkild and Carman.
  • Selkirk, Gimli, Stonewall and Woodlands.
  • Sprague, Northwest Angle Provincial Forest.
  • Steinbach, Saint-Adolphe, Emerson, Vita and Richer.
  • Virden and Mouse.
  • Whiteshell, Lac du Bonnet and Pinawa.

Environment Canada is warning people to take precautions to ensure they don’t experience the negative health effects of extreme heat.

This means staying out of direct sunlight, drinking plenty of water, and making sure to spend time in cool places.

Sometimes people can suffer from heat-related illnesses. Signs include swelling, rashes, cramps, fainting, and worsening of certain health conditions.

Watch for heatstroke, which can start with headaches, hot skin, dizziness or confusion, and act immediately.

For more information on heat and your health, visit the Manitoba Health website or call Health Links at 204-788-8200 or toll-free at 1-888-315-9257.

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