Temperatures set to drop in southern Ontario as arctic air returns

Click to play video: 'Tracking the “bomb cyclone” winter storm' Tracking the “bomb cyclone” winter storm
WATCH ABOVE: Millions of North Americans are bracing themselves for some brutally cold weather. Multiple weather warnings are in effect across Atlantic Canada and the eastern United States. Global News meteorologist Ross Hull is keeping an eye on the system – Jan 3, 2018

If you have plans to be outdoors in southern Ontario over the coming days, be prepared for temperatures to drop as arctic air is set to return.

Environment Canada issued a special weather statement Wednesday, followed by a extreme cold warning for many parts of the province Thursday. The weather agency said the cold snap will begin Thursday night.

“A bitterly cold northwesterly flow will develop over southern Ontario Thursday,” the statement read Wednesday.

“Extreme cold warning criteria of -30 C is expected to be met in many places Thursday night into Friday and again Friday night into Saturday.”

On Thursday night, Environment Canada said the temperature should drop down in the Greater Toronto Area to -22 C and that it will feel like -33 with the wind chill. On Friday, the daytime high is expected to be only -16 C and the overnight low is forecast to drop to -25 C.

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Meanwhile, the bitter cold is set to affect Eastern Canada as it deals with a severe weather system called bombogenesis, also referred to as a “bomb cyclone” or Nor’easter, later this week.

READ MORE: Bomb cyclone? What’s next for Eastern Canada’s brutally cold winter

Global News meteorologist Ross Hull explains that bombogenesis is a low-pressure system that falls 24 millibars within 24 hours, meaning things gets intense very quickly. He said affected northeastern parts of the United States and Atlantic Canada could see over 30 centimetres of snow.

Those flying to or from those areas are encouraged to check the status of their flights.

With files from Maham Abedi

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