Tuesday afternoon....

>> Tuesday, December 14, 2010

Just a quick check-in. Seems most modeling is trying to shift that axis of heaviest precipitation Thursday AM to the areas along and north of I-40. That is not set in stone, but the trend for this system today has been for most of any potential issues to be confined to the northern half of NC. But, this is a fine line in terms of where this axis of precip spreads in, so I wouldn't write off any specific area just yet. Remember, it was just the 0z NAM today that brought a nice little event to much of the region. Just watching the trends today though....

For the weekend, I still think the potential for this one is very much alive. The GFS continues to indicate a significant system, but there are temp issues for snow fans in the southern Piedmont. The Canadian is weaker and farther east.

The latest Euro is very, very close to developing the system into a biggie. But it keeps the upper level energy a little too strung out, and therefore keeps the system as more of a weak wave of low pressure as opposed to a bomb going off. However, gut feeling on this one is that it trends into a more significant system somewhere in the region. Might wind up being the Virginias that see most of the snow if it winds up really bombing out. However, at this point, I think everybody is still in the game on that one, and all options (from the weak wave, farther east scenario to the strong, deepening low, farther west scenario) are still on the table.

6 comments:

DoubleJ 3:27 PM  

Thanks Matthew for the update. Looks like all eyes and ears will be for the weekend.

Anonymous 3:37 PM  

Remember storms here have the tendancy to shift southward here in the winter. Especially with all the cold air that is around.

Ryan1234

Anonymous 3:53 PM  

If there's one thing I DO appreciate it's Matt's time he spends updating us snow watchers. Keep feeding the geese Matt!! I'll keep nibbling but what it sounds like you're describing to us is another potential I40 N special (I think I'm going to move to Winston Salem).

Thanks again for the information and especially your gut thoughts!! Anybody can read the models but your expertise on what you think SHOULD happen is real good stuff.

Brad

Matthew East 4:01 PM  

Yep....the weekend has the biggest potential....but how it works out is obviously still a question mark.

Ryan, the handling of shallow arctic airmasses is always a challenge for the modeling....with systems that will phase though, the trend is often north and west. We will see if this one winds up phasing or now.

Brad....thanks for the kind words....happy to do it.

Anonymous 11:23 PM  

Matt,
I see that your blog site posted 31 comments yesterday... hope your site don't crash with all the snow fans pleading for snow... lol!

TY

Anonymous 11:39 PM  

OZ GFS paints over a foot of snow in Virginia this weekend with much of NC getting busted. Our best bet is that the low stays south and east and we are on the Northern side.

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