Potential storm headed towards western Newfoundland for Wednesday

Gary
Gary Kean
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Public advisory

CORNER BROOK  A large portion of western and central Newfoundland are under a winter storm watch for Wednesday, while the northernmost parts of the Northern Peninsula are subject to a wind warning.

Environment Canada has issued an alert for the potential development of dangerous winter weather conditions in these regions.

Snow, blowing snow and ice pellets are expected in the areas under the winter storm watch throughout Wednesday into Thursday morning. Those areas stretch from Bay St. George to Parsons Pond and Hawkes Bay, including Corner Brook, Deer Lake, Gros Morne and White Bay-Green Bay.

As much as 20 to 30 centimetres of snow could fall between Wednesday and Thursday.

A strong southwesterly flow will develop over much of the island today as a low pressure system intensifies over Northern Labrador. Winds are expected to be strongest over the Northern Peninsula where gusts are forecast to reach 100 kilometres per hour this evening before easing overnight as the low moves further away.

A second low pressure system is forecast to develop near Cape Hatteras today and approach Newfoundland on Wednesday. The low is expected to cross Newfoundland overnight Wednesday into Thursday, however the exact track of the low continues to remain uncertain at this time.

A shift in the track will result in a similar shift to the rain-snow line which is currently forecast to split central Newfoundland. Any shift in the track will also result in a shift to the areas of highest snowfall and rainfall accumulations.

For regions under a winter storm watch, snow is expected to begin Wednesday morning and spread northward into central and then to the Northern Peninsula by Wednesday evening. As winds increase throughout the day on Wednesday, visibilities are expected to deteriorate as snow mixes with blowing snow.

There is also the possibility of a significant period of ice pellets for central Newfoundland Wednesday evening. Currently near 15 centimetres of snow is expected by the end of the forecast period with possibly further significant accumulations by Thursday morning.

A special weather statement will remain in effect for the remainder of Newfoundland until further information becomes available.

The public is advised to continue to monitor Environment Canada forecasts as other warnings may be required.

 

 

Organizations: Environment Canada

Geographic location: Newfoundland, Northern Peninsula, Parsons Pond Hawkes Bay Corner Brook Deer Lake Northern Labrador Cape Hatteras

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