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January 26-27 Snowstorm Disco III


Baroclinic Zone

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What's your total this year so far?

48"

I said that tongue in cheek lol, snowpack here is pretty robust for most of us (I'm pretty sure for Dryslot too, maybe somewhat less rel to avg for his area). We don't really need snow but the ski areas do. We should be concerned for them.

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48"

I said that tongue in cheek lol, snowpack here is pretty robust for most of us (I'm pretty sure for Dryslot too, maybe somewhat less rel to avg for his area). We don't really need snow but the ski areas do. We should be concerned for them.

I am just over 51", We were done last year after Jan when the retro storm came thru we ended at 53.80" which was 19" below normal for our area here, We avg 72.5", Looks like we are going to make a run at being on the plus side of that number if things continue...... :snowman:

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A little OT, and hopefully not to derail the thread, but a follow-up to the BOS on-air met discussion from overnightt: Matt Noyes posted about 5 Tweets last night explaining why the storm wasn't going out to sea. He cited the global models and their consistancey. Also how the US guidance has been too far SE all winter in the 84-48 hour range. Seemed pretty critical of those calling for an OTS track without naming names. Good stuff from him and another reason why he's fast becoming my favorite Boston met.

:snowman:

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Oops sorry for the OT, we were discussing the upcoming storm. As we have been thinking all along, BOS/HFD will be experiencing some borderline snow crisis come Friday if this storm does come to fruition. They've been fairly proactive moving snow out of Route 3 /495 / 93 breakdown lanes and walled areas, which should help some. Not sure about other areas from BOS south.

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NATIONAL WEATHER SERVICE NEW YORK NY

630 AM EST MON JAN 24 2011

PRECIP SHOULD BEGIN LATE TUE NIGHT OR EARLY WED MORNING...BEGINNING

AS SNOW...BUT THEN TRANSITIONING TO PRIMARILY RAIN AT THE COAST AND

A WINTRY MIX INLAND AS WARMER AIR STARTS TO WORK IN ALOFT...WITH TOP

DOWN PARTIAL THICKNESS P-TYPE ALGORITHMS IN GENERAL AGREEMENT.

ANY ACCUMULATIONS DURING THE DAY ON WED LOOK TO BE MINOR AND

CONFINED MORE TO THE INTERIOR...ESPECIALLY THE HIGHER ELEVATIONS.

THE HEAVIEST PRECIP SHOULD OCCUR WED NIGHT...MAINLY VIA STRONG

ISENTROPIC LIFT ACROSS EASTERN SECTIONS AS A 50-60 KT EASTERLY LLJ

OVERRIDES A WARM FRONTAL BOUNDARY EXTENDING NE FROM THE SFC LOW

TOWARD CAPE COD AND THE ISLANDS...AND VIA FRONTOGENETICALLY FORCED

BANDING ACROSS WESTERN SECTIONS WELL NW OF THE SFC LOW.

MEANWHILE...LOW LEVEL FLOW SHOULD STRENGTHEN AND BACK NE-N AS THE

SFC LOW APPROACHES...WITH SFC TEMPS DROPPING BELOW FREEZING AND

ALLOWING PRECIP TO TRANSITION BACK TO SNOW...WITH AT LEAST A

TRANSITIONAL PERIOD OF FREEZING RAIN POSSIBLE ACROSS MOST OF THE

INTERIOR. THIS PERIOD OF ICING COULD BE MORE PROLONGED ACROSS SE CT

AS THE AFOREMENTIONED LLJ CONTINUES TO TRANSPORT WARMER AIR IN ALOFT

FOR A GOOD PART OF WED NIGHT.

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NATIONAL WEATHER SERVICE NEW YORK NY

630 AM EST MON JAN 24 2011

PRECIP SHOULD BEGIN LATE TUE NIGHT OR EARLY WED MORNING...BEGINNING

AS SNOW...BUT THEN TRANSITIONING TO PRIMARILY RAIN AT THE COAST AND

A WINTRY MIX INLAND AS WARMER AIR STARTS TO WORK IN ALOFT...WITH TOP

DOWN PARTIAL THICKNESS P-TYPE ALGORITHMS IN GENERAL AGREEMENT.

ANY ACCUMULATIONS DURING THE DAY ON WED LOOK TO BE MINOR AND

CONFINED MORE TO THE INTERIOR...ESPECIALLY THE HIGHER ELEVATIONS.

THE HEAVIEST PRECIP SHOULD OCCUR WED NIGHT...MAINLY VIA STRONG

ISENTROPIC LIFT ACROSS EASTERN SECTIONS AS A 50-60 KT EASTERLY LLJ

OVERRIDES A WARM FRONTAL BOUNDARY EXTENDING NE FROM THE SFC LOW

TOWARD CAPE COD AND THE ISLANDS...AND VIA FRONTOGENETICALLY FORCED

BANDING ACROSS WESTERN SECTIONS WELL NW OF THE SFC LOW.

MEANWHILE...LOW LEVEL FLOW SHOULD STRENGTHEN AND BACK NE-N AS THE

SFC LOW APPROACHES...WITH SFC TEMPS DROPPING BELOW FREEZING AND

ALLOWING PRECIP TO TRANSITION BACK TO SNOW...WITH AT LEAST A

TRANSITIONAL PERIOD OF FREEZING RAIN POSSIBLE ACROSS MOST OF THE

INTERIOR. THIS PERIOD OF ICING COULD BE MORE PROLONGED ACROSS SE CT

AS THE AFOREMENTIONED LLJ CONTINUES TO TRANSPORT WARMER AIR IN ALOFT

FOR A GOOD PART OF WED NIGHT.

That could be interesting

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NATIONAL WEATHER SERVICE NEW YORK NY

630 AM EST MON JAN 24 2011

PRECIP SHOULD BEGIN LATE TUE NIGHT OR EARLY WED MORNING...BEGINNING

AS SNOW...BUT THEN TRANSITIONING TO PRIMARILY RAIN AT THE COAST AND

A WINTRY MIX INLAND AS WARMER AIR STARTS TO WORK IN ALOFT...WITH TOP

DOWN PARTIAL THICKNESS P-TYPE ALGORITHMS IN GENERAL AGREEMENT.

ANY ACCUMULATIONS DURING THE DAY ON WED LOOK TO BE MINOR AND

CONFINED MORE TO THE INTERIOR...ESPECIALLY THE HIGHER ELEVATIONS.

THE HEAVIEST PRECIP SHOULD OCCUR WED NIGHT...MAINLY VIA STRONG

ISENTROPIC LIFT ACROSS EASTERN SECTIONS AS A 50-60 KT EASTERLY LLJ

OVERRIDES A WARM FRONTAL BOUNDARY EXTENDING NE FROM THE SFC LOW

TOWARD CAPE COD AND THE ISLANDS...AND VIA FRONTOGENETICALLY FORCED

BANDING ACROSS WESTERN SECTIONS WELL NW OF THE SFC LOW.

MEANWHILE...LOW LEVEL FLOW SHOULD STRENGTHEN AND BACK NE-N AS THE

SFC LOW APPROACHES...WITH SFC TEMPS DROPPING BELOW FREEZING AND

ALLOWING PRECIP TO TRANSITION BACK TO SNOW...WITH AT LEAST A

TRANSITIONAL PERIOD OF FREEZING RAIN POSSIBLE ACROSS MOST OF THE

INTERIOR. THIS PERIOD OF ICING COULD BE MORE PROLONGED ACROSS SE CT

AS THE AFOREMENTIONED LLJ CONTINUES TO TRANSPORT WARMER AIR IN ALOFT

FOR A GOOD PART OF WED NIGHT.

Saw that, too, and that OKX has a ton of ZR and IP in the hourly graphs, even for northern parts of their region. Not sure where that's coming from, as even the Euro sounded cold enough for predominately snow last night. Second guessing OKX hasn't worked out well this year, though.

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May as well ask a BY question, how's western CT going to fair per the euro and per your gut (say i91 west)?

I think there could be at least some sleet away fron the coast and south of I-84/west of I-91. If the GFS is right, it's a colder storm. Low level thicknesses get very marginal along the CT shoreline too. If the euro solution were to verify, I think you can trim back the sleet a bit further south, but srn CT could very well be a sleet fest. Hopefully the mid levels can tick a degree or so colder with each run, but I think the risk is coming closer by about 40 miles or so. I hope not, but I could see that. NW CT would pretty much be snow.

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