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My Latest Thoughts On Storm

Hey Folks,

Here's the latest on our system rolling in from the South for Thursday, Friday and even into Saturday.

-For most of Eastern Newfoundland including St. John's, the Avalon, Burin and Bonavista Peninsula's this will likely be a Mostly Rain storm. We could see some Wet Snow and Freezing Rain mixing in on Thursday night as temperatures drop, however I'm not seeing much in the way of accumulation at this point. Having said that, on Friday night and Saturday a mix over back to Snow could drop as much as 3-8 wet cm by Saturday night.

-The dividing line between Rain and Snow at this point looks like it will be somewhere near the Coast of Bays and then up through the Terra Nova area.

-Areas just on the West side of that line, closer to the Coast could get a good shot of Snow with this storm. Anywhere between 20-30 maybe even 40 cm in localized areas... perhaps even into the Gander area by Saturday night or Sunday morning.

-In fact, amounts could be significant from Bonavista Bay and all along the Bay of Exploits, into the Grand Falls-Windsor area and West over to the Green Bay area again through Saturday.


-WINDS WILL BE MAJOR FACTOR WITH THIS SYSTEM... especially in areas that will see the Snowfall close to the Coast again from Bonavista Bay to White Bay. Blowing Snow, white out conditions and drifting snow will be a big issue. Along that same section of the Northeast Coast from Thursday night to Saturday night winds will gusting in from the North at 60 km/h... that's a 48 hour period... so storm surge will be a factor. During the peak of the Storm on Friday winds will be in from the North gusting to 80, 90 and maybe even 100+ km/h.

I'll keep you updated... and we'll talk more about Snowfall and Rainfall totals later today or tomorrow after a few more model runs.


***4PM UPDATE***

The latest afternoon model runs are just a tad bit further East with that Rain Snow line. As a result, Freezing Rain could become a bit more of a factor across the Avalon on Thursday night and Friday morning. The Burin and Bonavista Peninsulas would see a healthy mix of Rain and Snow if things played out this way as well.
It's going to be a tough call nailing down that line exactly... we'll see how things look tomorrow morning.

Your Comments

Ryan ,it was a beautiful sunshiny day here today.Very seldom do we get the same weather as St.John's.What happened to the Southwest Avalon? That,s where we are and would make our forecast more accurate.

Posted by: Eva Linehan Branch on March 3, 2010 10:42 PM

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