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Sunday Snow or No?

Hey Folks,

Before I get to the subject of Sunday, I want to talk about the extended period of Freezing Rain you folks in Central Newfoundland could see tomorrow.

FREEZING RAIN WARNING IN EFFECT FOR THURSDAY

Grand Falls Windsor and vicinity
Gander and Vicinity
Bonavista North
Bay of Exploits

As we move into Thursday a trough (or weak Low) will move up from the South. West of the trough we'll be seeing Snow mixing with Freezing Rain in Central Newfoundland... especially into the afternoon.
Pink is the mix and Freezing Rain.
Jan27-1.JPG

RAIN RAIN RAIN
Generally 10 mm fell in the St. John's region today... and it's going to keep coming tonight and tomorrow. East of the Trough coming in across the Avalon on Thursday we're looking at more Rain. Perhaps another 30-40 mm by tomorrow night!! (5-10 tonight and 20-30 tomorrow)
We have RAINFALL WARNINGS IN EFFECT FOR ST. JOHN'S, AVALON NORTH & AVALON SOUTH.
I was speaking with the folks at the Gander Weather office this afternoon and there's no doubt we have the potential to top out at 50 mm of Rain from Today through Tomorrow. However it's St. John's and the Eastern half of the Avalon which will see most of that Rain. Folks through St. Bride's, Argentia and up through the Trinity Bay area are more likley to see 15-20 mm of Rain on Thursday. Still a decent shot.

More on this story tonight on Here & Now.

FLURRIES FOR FRIDAY

Most of the Province is looking at Flurries in the forecast for Friday. Looks like 2-4 cm is a safe bet for almost everyone... however the West Coast of Newfoundland could actually see as much as 5-10 cm. This weak system tracking in from Southwest doesn't have much juice but even 5-10 would be nice for the hills at Marble.

SNOW FOR SUNDAY?

The last couple days I've been watching the forecast models closely with a system developing over Texas and the Gulf of Mexico today and tomorrow. The forecast track takes the System into the U.S. Southeast for Friday and Saturday before it turns Northeast.
This of course, is where the models have been doing their usual Cha Cha Cha.

GEM Model- Has been liking the idea of the system developing into a decent sized Low which hits Eastern Newfoundland on Sunday. This models has been trending East over the past 36 hours. Here's the latest forecast model run from this morning.
Jan27-2.JPG

GFS Model- A few days ago was right there with the GEM blowing up a good sized system capable of dropping a good shot of Snow. However over the past day, the GFS has completely abandoned that idea and is now showing more of a Long Wave which stays Southeast of Newfoundland.
Jan27-3.bmp

European Model- Can't make up it's mind. Yesterday afternoon this model was blowing up a Solid Storm for Eastern Newfoundland.

This Morning, it has completely backed off and is now looking more like the GFS wave idea. Safe to say this model is officially in the undecided category.

It's only Wednesday, so we still have a handful of days to watch and figure out what's in store for Sunday. However, I wanted to give you the heads up that there could be something brewing... and I'm watching it closely.

Ryan

Your Comments

let it snow yayayay how much snow are we getting get back to me

Posted by: keegan on January 28, 2010 11:25 AM

Hi Ryan. I must say I like your approach to forecasting much better than the others. No one else will share the inforamtion as you do, ie., the three models. As someone who watches the weather closely to plan recreation events (snowmobiling)I understand the issues you encounter when you have to interpret three models to provide an accurate forcast. What I don't understand is the continued strange weather patterns and the really strange tracks these systems are taking in respect to eastern NFLD. Any explanation would be greatly appreciated. Thanks, Kevin

Posted by: Kevin Harnum on January 28, 2010 12:04 PM

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