Update for Saturday

By: BwalshNLWeather , 1:27 PM GMT on April 18, 2014

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Good morning,

After a beautiful Good Friday across the Island, the only blemish on the long Easter weekend is the system approaching for Saturday. The weather models have been shifting quite a bit over the past few days, but look to be in better agreement today regarding the track and intensity of the low, which will approach from the south overnight and pass just southeast of the Avalon Saturday evening. While the highest snowfall amounts have been lowered since earlier this week, I’m still expecting totals of 10-15 cm for the Northern Avalon over to Clarenville, Terra Nova and the Bonavista Peninsula, which is still a big inconvenience this late in the year and on a busy travel weekend. Even with a track just southeast of the Avalon Saturday night, there is still a good chance of snow mixing with ice pellets and freezing rain on the Avalon Saturday afternoon, and could still change to a bit of rain over the Southeastern Avalon. Based on the current guidance, snow develops across Southern and Eastern Newfoundland Saturday morning, before tapering to flurries Saturday evening. Flurries end overnight Saturday and fair skies should move back over the Island on Sunday, which continue Monday.

Storm Timeline for St. John’s-Metro:
Saturday 6 – 9 AM: Light snow developing. Snowfall amount 2 cm. Wind southeast 25-35 km/h.
Saturday 9 AM – Noon: Snow and blowing snow. Snowfall amount 3-4 cm. Wind east-southeast 30 gusting to 50 km/h.
Saturday Noon – 3 PM: Snow mixing with ice pellets. Blowing snow. Snow/ice pellet amount 2-4 cm. Wind east 30 gusting to 50 km/h.
Saturday 3 – 6 PM: Light snow mixed with freezing drizzle and ice pellets. Snow/ice pellet amount 1-2 cm. Freezing rain amount 1-2 mm. Wind northeast 30 gusting to 50 km/h.
Saturday 6 – 9 PM: Light snow mixed with freezing drizzle tapering to flurries. Snowfall amount 1 cm. Freezing rain amount 1 mm. Wind north 40 gusting to 60 km/h.
Saturday 9 PM – Midnight: Flurries. Snowfall amount 1 cm. Wind north 40 gusting to 60 km/h.
Sunday Midnight – 6 AM: Flurries ending. Snowfall amount 1 cm. Wind northwest 40 gusting to 60 km/h.

Precipitation Amounts Saturday:
Southern Avalon: 4-8 cm snow/ice pellets. 2-5 mm freezing rain. 2-5 mm rain
Northern Avalon (including St. John’s)/Burin Peninsula: 10-15 cm snow/ice pellets; 2-5 mm freezing rain
Clarenville/Bonavista/Terra Nova: 10-15 cm snow
Central (east of Grand Falls-Windsor): 5-10 cm snow
Central (west of Grand Falls-Windsor): 2-5 cm snow
West Coast and Northern Peninsula: Less than 2 cm snow

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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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