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Pre Xmas storm


mahk_webstah

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You know ski areas are cringing with Christmas week coming up, not liking the looks at all.

A weather disaster of either torching rainstorm or ice storm or whatever is pretty much expected each year for New England ski areas just prior to the holidays. Murphy's Law just never allows the holiday time to go smoothly. I can tell you the next problem or rainstorm will be just prior to MLK Weekend in January...then another is being lined up for just before Presidents Week. But it will dump and be awesome between all those periods. It's just how ski area climo goes, lol.

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Does it look like Rte Poop is in on the game?

 

 

Heh, too early to be that detailed.  It's just the general view targets that region.  that said, the 84-hour frontal position is along the South Coast (lower CT-RI), and that is pinned there by a now 1032mb high parked over a domain wide snow pack... I don't see the boundary going back N regardless of where the GFS attempts to place the wave in NYS.  We end up cold air secluded first.  That is a classic Walter Drag, "tuck" pattern.  Could see it being 28 from Nashua to PSM, and 32 down to FIT, and near 60 in NYC.  

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Heh, too early to be that detailed.  It's just the general view targets that region.  that said, the 84-hour frontal position is along the South Coast (lower CT-RI), and that is pinned there by a now 1032mb high parked over a domain wide snow pack... I don't see the boundary going back N regardless of where the GFS attempts to place the wave in NYS.  We end up cold air secluded first.  That is a classic Walter Drag, "tuck" pattern.  Could see it being 28 from Nashua to PSM, and 32 down to FIT, and near 60 in NYC.

If we are not hitting below 32 until sometime on Sunday - any idea how much precip will be left for icing purposes?  Will most of it be over and we just get a glaze?

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If we are not hitting below 32 until sometime on Sunday - any idea how much precip will be left for icing purposes?  Will most of it be over and we just get a glaze?

 

I don't think it will take that long to get the colder air into the lower levels on the polarward side of the boundary.  Take a look at what happens @BTV in the 12 NAM (just for example...)

 

They go from 33 or 34 at 54 hours, down to 22 by 60 hours.  Can't really go by the 500mb thickness contours in a situation like this.  

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Trouble is met 101.  We have the Berks els west, and that polar high set spatial in an ideal location to get an ageostrophic wedge going, and once you actually give a cool air mass in interior SNE (east of said els...) a reason to set up residence, it becomes like "The Man Who Came To Dinner."  

 

It'll be interesting see how it plays out.  One would hope that with the Euro's superior resolution, it will show some continuity on it's own damming in the pp on the run up-coming.  Starting to get some convergence toward  coherent ice signal, though confidence is still low trending upward. 

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