Arctic outflow warning
Cold and winter storm warnings have been posted throughout many parts of BC. Northeast Washington and much of the Idaho Panhandle will receive a burst of snow Wednesday morning.
Winter Storm Warning.
. Terrace Kitimat Bella Coola Highway 16 east of Prince Rupert. Snowfall continues its diminishing trend tonight as the low moves SE towards Haida Gwaii and dry northerly outflow sets up behind it. Chill values nearing -20 C are expected for inland parts of the North Coast The Canadian Press.
Issued to highlight significant weather or express uncertainty. Arctic outflow snow and possible freezing rain forecast for parts of BC. 20 to 30 cm North.
Arctic outflow with windchill near minus 20 tonight then heavy snow and wind Friday through Saturday. North Coast - inland including Terrace. Dec 20 2021.
Commuters should anticipate winter driving conditions early in the day before snow transitions to rain. Once precipitation exits the region tonight dry weather is expected to persist into early next week for all of Southeast Alaska. Coastal British Columbia regions only.
Alerting parameters Environment Canada uses for issuing an Arctic Outflow Warning. A separate Wind Warning is not required. 21 2021 730 am.
Alert type Location Threshold criteria. VANCOUVER Cold and winter storm warnings have been posted throughout many parts of BC. When severe weather threatens Environment Canada issues alerts that notify those in affected areas in British Columbia so that they can take steps to protect themselves and their property from harm.
5 Day Outlook. Any combination of wind speed and temperature giving a wind chill of -20 or lower for 6 hours or more. The type of alert issued depends on the severity and timing of the event.
The main impacts through. 400 PM PST Thursday 16 December 2021 Winter storm warning in effect for. The weather office has also issued an Arctic outflow warning for the North Coast inland sections predicting wind chill values for the area.
North Coast - inland including Kitimat. The advisory for Port Alexander was upgraded to a Warning earlier based. Arctic outflow snow and possible freezing rain forecast for parts of BC.
Environment Canada says a cold air mass is expected to settle across.
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