About: Extreme cold warning

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An extreme cold warning is issued by Environment Canada to inform the public about active or imminent severe cold temperatures in their region that are expected to last for at least two hours. As of April 8, 2014, Environment Canada replaced the Wind Chill Warning with an Extreme Cold Warning. In the older system a wind chill warning for Southern Ontario and Atlantic Canada was issued when the wind chill dropped to -35. Thus a temperature of −37 °C (−35 °F) with no winds would not require a warning be issued. Under the new system the extreme cold warning is issued based on either the temperature or the wind chill being a certain value for at least two hours. The values range from −30 °C (−22 °F) in the warm temperates to −55 °C (−67 °F) in parts of the Arctic.

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  • An extreme cold warning is issued by Environment Canada to inform the public about active or imminent severe cold temperatures in their region that are expected to last for at least two hours. As of April 8, 2014, Environment Canada replaced the Wind Chill Warning with an Extreme Cold Warning. In the older system a wind chill warning for Southern Ontario and Atlantic Canada was issued when the wind chill dropped to -35. Thus a temperature of −37 °C (−35 °F) with no winds would not require a warning be issued. Under the new system the extreme cold warning is issued based on either the temperature or the wind chill being a certain value for at least two hours. The values range from −30 °C (−22 °F) in the warm temperates to −55 °C (−67 °F) in parts of the Arctic. (en)
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  • An extreme cold warning is issued by Environment Canada to inform the public about active or imminent severe cold temperatures in their region that are expected to last for at least two hours. As of April 8, 2014, Environment Canada replaced the Wind Chill Warning with an Extreme Cold Warning. In the older system a wind chill warning for Southern Ontario and Atlantic Canada was issued when the wind chill dropped to -35. Thus a temperature of −37 °C (−35 °F) with no winds would not require a warning be issued. Under the new system the extreme cold warning is issued based on either the temperature or the wind chill being a certain value for at least two hours. The values range from −30 °C (−22 °F) in the warm temperates to −55 °C (−67 °F) in parts of the Arctic. (en)
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  • Extreme cold warning (en)
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