Is It Really Spring?

By: BwalshNLWeather , 1:02 AM GMT on March 23, 2014

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Good evening,

While the calendar may indicate that spring has officially begun, it certainly won’t feel, or look, spring-like across Newfoundland this week. A few systems will affect the province this week, bringing significant snow to many parts of the Island and Eastern Labrador.

System 1
A weak low will track across Southeastern Newfoundland Sunday morning; light snow spreads across the Island overnight, tapering to flurries Sunday morning. Snow may mix with rain, or drizzle, at the end of the precipitation Sunday morning. Snowfall amounts generally 3-6 cm across Southern and Eastern Newfoundland, including the Avalon.

System 2
Some disagreement exists with a low that will pass east of the Avalon Monday evening. The precipitation will be all snow for Eastern Newfoundland, but the exact amounts are a bit uncertain. Currently, light snow should begin Monday morning and intensify in the afternoon over the Avalon, before tapering to flurries in the evening. Winds will be generally light, so blowing snow shouldn’t be a concern. Snowfall amounts for Monday look to be 8-12 cm on the Avalon, and 4-8 cm on the Burin and Bonavista Peninsulas.

System 3
A powerful storm will affect all of Atlantic Canada starting Wednesday, and continuing on Thursday. The low will be one of the most intense systems in the past few months and should bring significant snow, rain, wind and waves to all of Newfoundland and Eastern Labrador. Current indications have snow developing over Southern Newfoundland Wednesday afternoon, quickly spreading northward Wednesday evening onto the Northern Peninsula and Eastern Labrador. Snow will change to rain over Eastern Newfoundland Wednesday night, changing back to light snow Thursday morning behind the low. Very significant winds, gusting in excess of 100 km/h, are expected along the coasts of Newfoundland and Eastern Labrador, starting Wednesday evening and continuing on Thursday. There is a very good chance of blizzard conditions for much of the Island late Wednesday and evening, even for Eastern Newfoundland prior to changing to rain.

The system is still 4 days away, but there is a good chance of significant snowfall amounts for all of Newfoundland, including 10+ cm for Eastern Newfoundland (followed by 10+ mm of rain) and potential amounts of 15-25+ cm for Central/Western Newfoundland and Southeastern Labrador.

Very high waves will move onto Southern Newfoundland Wednesday night and continue Thursday. There’s a chance of storm surge, potentially causing damage to coastal infrastructure, near high tide Thursday morning and evening.

Again, the specific details of the storm will be ironed out over the next few days, but it’s definitely going to be an intense storm for all of Atlantic Canada, and travel delays/cancellations are likely Wednesday and Thursday.

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10:29 AM GMT on March 24, 2014
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About BwalshNLWeather

Operations Manager and Meteorologist with Ice & Environmental Services at Provincial Aerospace Ltd. I've been weather forecasting since 2000.

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