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Interior NW Burbs & Hudson Valley - Discussion


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So many variables at play: ratios best in one place, LE highest in another. These variables somewhat counter each other. Thus most areas will fall into a similar range of 5-10 or 6-12. But somewhere they will reach a max combination and that will be the jackpot of 12" maybe even a little bit more. Everything I see now keeps me leaning to central 3rd of NJ then extending to LI for tat. That, however des not reduce our impacts and we easily remain in that otherwise general 5-10 or 6-12 range. HRRR recently suggest NW areas start to rap up close to dawn or shortly there after.

Immediate coastal areas almost always jackpot with LE.. It's the other factors (ratios, terrain enhancement , banding) that usually benefit us. 6-12" is where 99% of us will fall under but I can see how many locations end up on the high end of that scale maybe even a bit better.. We shall see

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Immediate coastal areas almost always jackpot with LE.. It's the other factors (ratios, terrain enhancement , banding) that usually benefit us. 6-12" is where 99% of us will fall under but I can see how many locations end up on the high end of that scale maybe even a bit better.. We shall see

Good points. It's always a balancing act amongst all those variables. This seems to be one of those instances where they balance in such a manner totals are somewhat uniform. Still cannot deny those heavy bands across central NJ aimed at LI for a favored extra few inches there. But does it really matter debating over a few inches. It's cold and it's snowing so all is good!!

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Radars filling in nicely in central PA

Was just watching that increase / filling in across north central / NE PA. Have to see how that trends as part of the overall evolution. One fear would be a solid band to our SE and another developing to the NW with light in between. Nothing to specifically support that just a concern to possibly watch for in the coming hours.

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Was just watching that increase / filling in across north central / NE PA. Have to see how that trends as part of the overall evolution. One fear would be a solid band to our SE and another developing to the NW with light in between. Nothing to specifically support that just a concern to possibly watch for in the coming hours.

I would agree...ratios are fantastic but snow intensity has been awful... I haven't had more than borderline moderate for a few min then light snows all evening

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I think there is definitely a bit of a subsidence zone over the area right now....You can see it from NW CT stretching SE through the mid hudson valley.  Hopefully it will recover, but a little frustrating.

 

Subsidence FTL

 

were done

 

I wouldn't say that.  I doubt we get the banding they are seeing in central and Southern NJ, but plenty of time left for this one.  I personally never expected widespread double digit totals up here though.

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mcd0001.gif MESOSCALE DISCUSSION 0001
NWS STORM PREDICTION CENTER NORMAN OK
0743 PM CST THU JAN 02 2014

AREAS AFFECTED...NRN NJ/SERN NY INCLUDING LONG ISLAND/CT/RI/SERN
MA/DOWN EAST ME

CONCERNING...HEAVY SNOW

VALID 030143Z - 030645Z

SUMMARY...A PROLONGED PERIOD OF MODERATE TO HEAVY SNOWFALL IS
FORECAST THROUGH THIS EVENING AND OVERNIGHT FROM PARTS OF NRN NJ
ENEWD ACROSS SRN/ERN NEW ENGLAND. ADDITIONALLY...BLIZZARD
CONDITIONS MAY DEVELOP OVERNIGHT AS WINDS INCREASE WITH TIME.

DISCUSSION...SNOWFALL RATES OF UP TO -- AND IN LOCAL AREAS EXCEEDING
-- AN INCH PER HOUR ARE FORECAST OVER THE NEXT SEVERAL HOURS ACROSS
THE SRN NEW ENGLAND VICINITY...AS A LARGE UPPER TROUGH CROSSES THE
ERN THIRD OF THE U.S. OVERNIGHT. AS THE TROUGH ADVANCES EWD...A
SURFACE LOW -- NOW OFF THE COAST OF SERN VA/NERN NC -- IS PROGGED TO
UNDERGO RELATIVELY RAPID CYCLOGENESIS AS IT SHIFTS SLOWLY ENEWD OVER
THE NEXT 6-12 HOURS.

ATTM...THE BAND OF HEAVIEST PRECIPITATION EXTENDS FROM ERN VA --
WHERE A MIX OF RAIN AND SNOW IS OBSERVED -- NEWD ACROSS NJ AND LONG
ISLAND AND INTO SRN CT/RI/SERN MA...WITH MODERATE TO LOCALLY HEAVY
SNOWFALL INDICATED ACROSS THESE AREAS.

LATEST SREF GUIDANCE SUGGESTS THAT THE HEAVIEST BAND OF SNOWFALL
WILL DEVELOP AFTER MIDNIGHT -- FROM THE HUDSON VALLEY EWD ACROSS NRN
CT/MA/SRN VT/SRN NH/SRN ME...INLAND/WELL N OF THE ONGOING HEAVIER
PRECIPITATION. HOWEVER...HIGH-RES MODELS -- INCLUDING THE
NMM4...THE HRRR...AND A LOCAL NSSL 4KM WRF -- DEPICT THE HEAVIEST
ONSHORE PRECIPITATION TO REMAIN CONFINED TO THE SERN NEW ENGLAND
VICINITY. THIS IS MUCH MORE IN LINE WITH CURRENT RADAR TRENDS...AND
GIVEN THE SURFACE LOW PROGGED TO TRACK ENEWD AWAY FROM THE COAST
WITH TIME...THE SERN NEW ENGLAND VICINITY REMAINS THE AREA OF
HIGHEST CONFIDENCE FOR SUSTAINED/HEAVY ONSHORE SNOWFALL OVER THE
NEXT SEVERAL HOURS. IN ADDITION...AS WINDS INCREASE ACROSS THIS
AREA IN CONJUNCTION WITH THE DEEPENING OFFSHORE LOW...BLIZZARD
CONDITIONS ARE EXPECTED IN SOME AREAS ALONG WITH ASSOCIATED REDUCED
VISIBILITY/BLOWING SNOW.

..GOSS.. 01/03/2014


ATTN...WFO...GYX...BOX...OKX...ALY...PHI...BGM...

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Subsidence FTL

I wouldn't say that. I doubt we get the banding they are seeing in central and Southern NJ, but plenty of time left for this one. I personally never expected widespread double digit totals up here though.

I mentioned that earlier.. This was always a 6-10" storm and we should be happy with just that

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mcd0001.gif MESOSCALE DISCUSSION 0001

NWS STORM PREDICTION CENTER NORMAN OK

0743 PM CST THU JAN 02 2014

AREAS AFFECTED...NRN NJ/SERN NY INCLUDING LONG ISLAND/CT/RI/SERN

MA/DOWN EAST ME

CONCERNING...HEAVY SNOW

VALID 030143Z - 030645Z

SUMMARY...A PROLONGED PERIOD OF MODERATE TO HEAVY SNOWFALL IS

FORECAST THROUGH THIS EVENING AND OVERNIGHT FROM PARTS OF NRN NJ

ENEWD ACROSS SRN/ERN NEW ENGLAND. ADDITIONALLY...BLIZZARD

CONDITIONS MAY DEVELOP OVERNIGHT AS WINDS INCREASE WITH TIME.

DISCUSSION...SNOWFALL RATES OF UP TO -- AND IN LOCAL AREAS EXCEEDING

-- AN INCH PER HOUR ARE FORECAST OVER THE NEXT SEVERAL HOURS ACROSS

THE SRN NEW ENGLAND VICINITY...AS A LARGE UPPER TROUGH CROSSES THE

ERN THIRD OF THE U.S. OVERNIGHT. AS THE TROUGH ADVANCES EWD...A

SURFACE LOW -- NOW OFF THE COAST OF SERN VA/NERN NC -- IS PROGGED TO

UNDERGO RELATIVELY RAPID CYCLOGENESIS AS IT SHIFTS SLOWLY ENEWD OVER

THE NEXT 6-12 HOURS.

ATTM...THE BAND OF HEAVIEST PRECIPITATION EXTENDS FROM ERN VA --

WHERE A MIX OF RAIN AND SNOW IS OBSERVED -- NEWD ACROSS NJ AND LONG

ISLAND AND INTO SRN CT/RI/SERN MA...WITH MODERATE TO LOCALLY HEAVY

SNOWFALL INDICATED ACROSS THESE AREAS.

LATEST SREF GUIDANCE SUGGESTS THAT THE HEAVIEST BAND OF SNOWFALL

WILL DEVELOP AFTER MIDNIGHT -- FROM THE HUDSON VALLEY EWD ACROSS NRN

CT/MA/SRN VT/SRN NH/SRN ME...INLAND/WELL N OF THE ONGOING HEAVIER

PRECIPITATION. HOWEVER...HIGH-RES MODELS -- INCLUDING THE

NMM4...THE HRRR...AND A LOCAL NSSL 4KM WRF -- DEPICT THE HEAVIEST

ONSHORE PRECIPITATION TO REMAIN CONFINED TO THE SERN NEW ENGLAND

VICINITY. THIS IS MUCH MORE IN LINE WITH CURRENT RADAR TRENDS...AND

GIVEN THE SURFACE LOW PROGGED TO TRACK ENEWD AWAY FROM THE COAST

WITH TIME...THE SERN NEW ENGLAND VICINITY REMAINS THE AREA OF

HIGHEST CONFIDENCE FOR SUSTAINED/HEAVY ONSHORE SNOWFALL OVER THE

NEXT SEVERAL HOURS. IN ADDITION...AS WINDS INCREASE ACROSS THIS

AREA IN CONJUNCTION WITH THE DEEPENING OFFSHORE LOW...BLIZZARD

CONDITIONS ARE EXPECTED IN SOME AREAS ALONG WITH ASSOCIATED REDUCED

VISIBILITY/BLOWING SNOW.

..GOSS.. 01/03/2014

ATTN...WFO...GYX...BOX...OKX...ALY...PHI...BGM...

 

You can pretty much see from the current radar that area of heavy snow is showing very little if any northward movement, almost staying right along the coast.  Makes sense.  I'll be happy if we can get out of this little lull and get some steady snow back!

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You can pretty much see from the current radar that area of heavy snow is showing very little if any northward movement, almost staying right along the coast.  Makes sense.  I'll be happy if we can get out of this little lull and get some steady snow back!

There are some signs of heavier echoes developing to our west. I think we will be ok. 

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If we get 7 inches vs 12 inches, you think you're really going to notice a big difference visually, esp with blowing and drifting? I don't think so. Thank God this is not rain!

 

Pretty wild ride from the looks of it over the next several days too.  Looks like snow/ice to rain and 40's from Sunday into Monday followed by a (likely) flash freeze and bitter cold for a couple days after that.

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Yea I'm not convinced that this will last 12+ hrs more.. I think were done just before rush hour at least where I am

The latest HRRR map in the NYC obs thread is showing another 3-4" Hard to measure now but a guess that there is 4" down now. So that would be pretty much on for Upton's map. Forecast low of 5 for tonight. We'll see if we can get lower than that.

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