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06z Model Discussion | January 2-3 Winter storm


WE GOT HIM

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would probably be a blizzard for NyC and 5 boroughs as well if that's the case

Prob. But blizzard is defined by vis and wind. Nassau and Suffolk are closer to the center.

If they go then maybe nyc . But gotta start there 1st

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This is gonna be fun.... Must stay up! Never thought I'd see the mention of 30:1 ratios!

Mount holly

IMPACTS...WHILE SOME SNOW COULD BEGIN TO ACCUMULATE ON THURSDAY,

SIGNIFICANT IMPACTS COULD BE FELT THURSDAY NIGHT INTO FRIDAY.

IMPACTS INCLUDE THE COMBINATION OF A BITTERLY COLD AIRMASS, GUSTY

WINDS PRODUCING DANGEROUS WIND CHILLS, LOW VISIBILITIES DUE TO

FALLING AND BLOWING SNOW. THE SNOW WILL BE FLUFFY WITH 20- TO

POTENTIALLY 30-1 RATIOS WHERE TEMPERATURES ARE IN THE SINGLE DIGITS.

15-1 RATIOS SHOULD BE COMMON WHERE TEMPS HANG OUT IN THE TEENS

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This is gonna be fun.... Must stay up! Never thought I'd see the mention of 30:1 ratios!

Mount holly

IMPACTS...WHILE SOME SNOW COULD BEGIN TO ACCUMULATE ON THURSDAY,

SIGNIFICANT IMPACTS COULD BE FELT THURSDAY NIGHT INTO FRIDAY.

IMPACTS INCLUDE THE COMBINATION OF A BITTERLY COLD AIRMASS, GUSTY

WINDS PRODUCING DANGEROUS WIND CHILLS, LOW VISIBILITIES DUE TO

FALLING AND BLOWING SNOW. THE SNOW WILL BE FLUFFY WITH 20- TO

POTENTIALLY 30-1 RATIOS WHERE TEMPERATURES ARE IN THE SINGLE DIGITS.

15-1 RATIOS SHOULD BE COMMON WHERE TEMPS HANG OUT IN THE TEENS

then you look at their forecast and no winter storm watches or even advisories except for the northwest corner of their region

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then you look at their forecast and no winter storm watches or even advisories except for the northwest corner of their region

That's where I am (Sussex County). Can't recall a "colder" snowstorm. If the trends continue with the 0z suite it's watches for at least the Northern 2/3 of Mt Holly's forecast area.

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Really nice break for us on the overnight model runs to shear out the southern stream vort fast

enough allowing the low further west to take over closer to the coast.

 

12z not sheared out enough near Mid-Atlantic

 

 

6z shears out to almost nothing

 

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shocked the euro seems to be behind the 8-ball right now. usually in these systems its leading the charge

 

It may not worry me that much this time since the Euro has been struggling like all the other models with this system.

There is still time for more change here as it's not like the Euro when it locks in an holds serve right through to the event.I would be really happy with .5 liquid and higher ratios with this event .

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It may not worry me that much this time since the Euro has been struggling like all the other models with this system.

There is still time for more change here as it's not like the Euro when it locks in an holds serve right through to the event.

 

reading earlier that the NAM model looks to have the best forecast according to the short range forecast output it had comparing what it is showing currently on IR

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It may not worry me that much this time since the Euro has been struggling like all the other models with this system.

There is still time for more change here as it's not like the Euro when it locks in an holds serve right through to the event.I would be really happy with .5 liquid and higher ratios with this event .

Was gona post the nam high res but resisted

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Upton...

 

 

AS A RESULT CONFIDENCE IS INCREASING IN LIGHT OVERRUNNING SNOW
DEVELOPING TONIGHT INTO THU MORNING AS BROAD LOW PRESSURE DEVELOPS
FROM THE MID-MISSISSIPPI RIVER VALLEY INTO THE DEEP SOUTH. MODELS
CONTINUE TO BE IN GOOD AGREEMENT WITH BEST MID-LEVEL FRONTOGENESIS
TO THE NORTH OF THE REGION...PLACING BEST POTENTIAL FOR HEAVIER
SNOW BANDING ACROSS CENTRAL NY AND NEW ENGLAND THROUGH THURSDAY
MORNING. WITH THAT SAID...A GENERAL 1 TO 2 INCHES OF SNOW ARE
POSSIBLE ACROSS THE REGION TONIGHT INTO THURSDAY AFTERNOON...WITH
LOCALLY 3 TO 4 INCHES ACROSS FAR NORTHERN ZONES DEPENDING ON EXACT
LOCATION OF MESOSCALE BANDING.

FOR OUR REGION...PROBABILITY FOR HEAVIER SNOW BANDING INCREASES LATE
THU INTO THU EVENING AS THE AMPLIFIED TROUGH WORK TOWARDS
THE EAST COAST...AND LOW PRESSURE/S INTENSIFIES ALONG THE CAROLINA
COAST IN THE RIGHT ENTRANCE REGION OF A 150+ KT UPPER JET. MODELS
ARE FAIRLY CLUSTERED IN THESE LOW PRESSURE AREAS TRACKING NE...JUST
SOUTH OF THE 40/70 BENCHMARK THROUGH THURSDAY NIGHT. THE COMBINED
INCREASE IN DEEP SYNOPTIC LIFT...DEFORMATION...AND OVERRUNNING
MOISTURE SHOULD ALLOW FOR MODERATE TO HEAVY SNOW BAND/S TO DEVELOP
AND GRADUALLY MOVE WEST TO EAST ACROSS THE REGION THU EVENING INTO
EARLY FRI MORNING. ADDITIONAL QPF RANGING FROM 1/4 TO 1/2 INCH...WITH
HIGH SNOW TO LIQUID RATIOS AS TEMPS DROP THROUGH THE
TEENS...BRING POTENTIAL FOR AN ADDITIONAL 4 TO 8 INCHES OF SNOW.
AS USUAL...UNCERTAINTY EXISTS IN EXACT SNOWFALL TOTALS UNTIL
MESOSCALE BANDING BEGINS TAKING SHAPE...BUT POTENTIAL EXISTS FOR 5
TO 9 INCHES ALONG THE COAST...AND 7 TO 11 INCHES ACROSS NORTHERN
ZONES.

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Guest Pamela

With Long Island Sound sea surface temperatures around 4 C or 5 C, 850 mb temperatures dropping to at least -10 C, and a stiff northerly fetch...that's going to create some very unstable air...always a factor to consider whenever the delta between those two items is greater than 12 C. The 4km NAM might have been picking that up with those crazy high totals on the N. Shore.

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You start at 15 to 1 may go to 20 to 1. .8 gets the laurel hollow pad to 12 plus Its a blizzard on Long Island.

And it goes back through Monmouth county

 

Monmouth has found a way to do well on the two previous events back in December.

They also has the summer thunderstorm magnet this past year.

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