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Central PA & The Fringes - February 2014 III


PennMan

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-1 here now was 4 when I got up at 5 AM. ok, I'm headed to the cabin in potter to do some riding, be back tomorrow evening. I fully expect all the models to show a raging blizzard from state college eastward when I get home. well, all the models except the nam, that model is the worst. the gfs will eventually catch on. lets do this one, central pa is way over due for a biggie.

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Models should finally be good today, hopefully. CTP will have to issue watches for more counties later i'd say. 

 

It does seem as if the American models are moving, albeit slowly, toward a somewhat westward, tighter to the coast scenario. I'm really hoping that doesn't change once the northern stream energy is better sampled. That part makes me a bit nervous, but otherwise, I kind of like where we're sitting right now.

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Lol in the New England forum they seem upset they might not get TSSN or 18+ inch amounts, meanwhile down here in true central we are scrapping and happy over .2 or .3 precip. What a difference a region makes lol.

Yeah, ever since the Sox and Pats have won championships and they get snowstorms some of them have become insufferable. 

 

Got down to -6.1 last night. Brrr.

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From WPC:

A HIGH SOCIETAL IMPACT WINTER STORM IS IMMINENT ACROSS THE SRN

TIER OF THE COUNTRY AND VERY LIKELY TO PROCEED UP THE EAST COAST

ON WED AND THURS... BASICALLY EXTENDING FROM TX/LA TO NEW ENGLAND.

A VERY COMPLEX UPPER PATTERN WITH SPLIT FLOW REGIME ACROSS THE ERN

TWO-THIRDS OF THE COUNTRY... WHILE A MAMMOTH DOME OF SURFACE

ARCTIC HIGH PRESSURE CONSUMES THE ENTIRE REGION AND ESPECIALLY

EAST OF THE APPALACHIANS. AN IMPRESSIVE AND DYNAMIC IMPULSE OVER

THE MID MS VALLEY WILL GLIDE ALONG THE NRN STREAM AND REACH THE

NORTHEAST COAST ON TUES. MEANWHILE... THE LAST SHORT WAVE THAT

IMPACTED THE CENTRAL CA COAST WILL ADVANCE DOWNSTREAM ALONG THE

ACTIVE SRN BRANCH AND TRACK ACROSS TX TO THE LOWER MS VALLEY.

ALREADY MOISTURE IS OVERRUNNING THE QUASI-STATIONARY FRONT NEAR

THE GULF COAST FOR A WELL-ESTABLISHED PRECIP SHIELD ACROSS THE

SOUTH CONTAINING SNOW AND FREEZING RAIN. THIS SHIELD OF MOISTURE

WILL ADVECT DOWNSTREAM DURING THE DAY INTO THE SOUTHEAST OR WITH

THE PACE OF THE NRN STREAM IMPULSE. THIS WILL RESULT IN LOCALLY 1

TO 3 OR 4 INCHES OF SNOW FROM NRN AL/GA THROUGH UPSTATE SC INTO

SERN/ERN NC WITH POSSIBLE .10 TO .50 INCH OF ICING THREAT FROM

NRN/CENTRAL GA THROUGH MUCH OF SC INTO SERN NC AND THE BEGINNING

OF A PARALYZING ICE STORM. AS THE SRN STREAM FEATURE CROSSES TX TO

THE LWR MS VALLEY... SOME SLIGHT AMPLIFICATION WILL OCCUR AS PAC

DYNAMICS NEAR THE NW WILL DIG DOWN THE FRONT RANGE OF THE ROCKIES

INTO THE CENTRAL PLAINS. THUS THE GENERALLY SUPPRESSED PRECIP

SHIELD ACROSS TX/LA WILL BEGIN TO EXPAND AND LIFT ACROSS THE SOUTH

AND TOWARD THE SRN APPALACHIANS... WHILE INDUCING A WAVE OF LOW

PRESSURE NEAR THE CENTRAL GULF COAST. THIS WOULD RESULT IN SOME

LIGHT AND MINIMAL ACCUMULATIONS OF SNOW ACROSS NORTH TX BUT A

DECENT AMOUNT OF ICING FROM THE HILL COUNTRY OF TX THROUGH ERN

TX/MUCH OF LA TO NORTH CENTRAL MS. WPC STAYED VERY CLOSE TO A

COMPROMISE OF THE 00Z GFS... ECMWF AND 21Z/10 SREF MEAN.

THE DIGGING UPSTREAM DYNAMICS OVER THE CENTRAL PLAINS WILL RAPIDLY

CATCH UP WITH THE SRN STREAM DYNAMICS TO POTENTIALLY PHASE OVER

THE SERN PORTION OF THE COUNTRY. THIS WILL ALLOW A SIGNIFICANT

INCREASE IN MOISTURE ADVECTION FROM THE GULF OF MEXICO AND

ATLANTIC TO INTERACT WITH A DEVELOPING

COASTAL LOW ALONG THE SOUTHEAST COAST... WHILE ONE OF THE MORE

IMPRESSIVE CONFLUENT ZONES ALOFT KEEPS THE ARCTIC AREA OF HIGH

PRESSURE ENTRENCHED OVER THE EAST. A TRUE BAROCLINIC LEAF PRECIP

SHIELD WILL EVOLVE FEATURING MAJOR ICING FROM ATL TOWARD CAE THEN

SHIFTING NORTH TOWARD RDU AND A VERY HEALTHY DEFORMATION ZONE OF

BANDING SNOWFALL FROM NRN GA/SWRN NC/NWRN SC NEWRD TO SWRN/CENTRAL

VA BEFORE REACHING THE DC/BALT/PHIL METRO AREAS. THE ICE

ACCUMULATIONS REMAIN MIND-BOGGLING IF NOT HISTORICAL WITH

ADDITIONAL .50 TO 1 INCH AXIS FROM ATL/AHN/AGS TO CAE TO RDU AND 8

TO 10 INCHES OF SNOW FROM AVL/GSP TO ROA/LYH/CHO AND JUST SOUTH OF

IAD/DCA WITH A POSSIBLE FOOT NEAR SWRN NC/NWRN SC. WPC CONTINUED

THE COMPROMISE OF THE GFS/ECMWF/UKMET WITH SUPPORT FROM THE SREF

MEAN FOR THE BEGINNING OF A CLASSIC EAST COAST WINTER STORM.

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Yeah, ever since the Sox and Pats have won championships and they get snowstorms some of them have become insufferable. 

 

Got down to -6.1 last night. Brrr.

 

Thank God we don't live up there and have to deal with that nonsense. I usually go into the other sub-forums to read their thoughts, but New England I avoid like the plague.

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post-285-0-84985600-1392126640_thumb.jpg

Already had this sent to me asking when it will start... This is going to be a long day... Lol

Since important 12z runs are about to start I have a plea to make.... We really are a great group here, but can we all please put reasoning behind comments on the model runs today? Just saying a run is better or worse leaves the many that are just viewing our analysis clueless as to what is going on. Same with trending west or east without giving reasoning like closed low at 500 or surface low tracking closer to coast. Also, if a run doesn't show snow it does not mean it is a bad run. We don't know what model is handling this set up correctly yet so we need to rely on what makes sense not what shows the most snow. Can't be stressed enough that the Great Lakes low is in play so can't be assuming things will trend west/precip shield expand west just because it does other times. End rant lol

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image.jpg

Already had this sent to me asking when it will start... This is going to be a long day... Lol

Since important 12z runs are about to start I have a plea to make.... We really are a great group here, but can we all please put reasoning behind comments on the model runs today? Just saying a run is better or worse leaves the many that are just viewing our analysis clueless as to what is going on. Same with trending west or east without giving reasoning like closed low at 500 or surface low tracking closer to coast. Also, if a run doesn't show snow it does not mean it is a bad run. We don't know what model is handling this set up correctly yet so we need to rely on what makes sense not what shows the most snow. Can't be stressed enough that the Great Lakes low is in play so can't be assuming things will trend west/precip shield expand west just because it does other times. End rant lol

Nice post. I agree. Keep the guessing and banter in proper thread.

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attachicon.gifimage.jpg

Already had this sent to me asking when it will start... This is going to be a long day... Lol

Since important 12z runs are about to start I have a plea to make.... We really are a great group here, but can we all please put reasoning behind comments on the model runs today? Just saying a run is better or worse leaves the many that are just viewing our analysis clueless as to what is going on. Same with trending west or east without giving reasoning like closed low at 500 or surface low tracking closer to coast. Also, if a run doesn't show snow it does not mean it is a bad run. We don't know what model is handling this set up correctly yet so we need to rely on what makes sense not what shows the most snow. Can't be stressed enough that the Great Lakes low is in play so can't be assuming things will trend west/precip shield expand west just because it does other times. End rant lol

and i'm sure those asking you questions, will not listen to your reasoning. They've already bought into the "blizzard"!  People here at my work and FB friends, are already hook line and sinker in the "Blizzard" theory, or comparing this to the "super" Storm. Nobody wants to hear 2-4/4-6" or whatever it actually ends up.

I'm liking our spot were in right now. Were having issues here at work with computers so i can't really look at the models, but what are we looking at for temps Wednesday into Thursday, mid to high  20's is what i thought i had seen yesterday

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US National Weather Service State College PA The key northern stream upper disturbance is now digging southeastward through the northern Rockies. The track of that disturbance and resultant intensity/extent of Gulf Coast convection (thunderstorms) later today and tonight will largely determine how close to the coast the surface low can track. The stronger and deeper the convection, the closer the low can hug the coast, resulting in more snow accumulation in central and eastern PA (and perhaps even an intrusion of warmer air/mix/changeover into the southeast Piedmont). A worst case scenario could give a few to several inches more than the highest numbers over our far southeast. *But right now*, our forecast which is based on a consensus of all forecast guidance indicates a miss for much of central (including State College) and northern PA with a moderate to heavy snowstorm (6" or more) for the southeast quarter to third of PA. We hope to have more confidence in the above trends later today and tonight.

Sounds like they are waiting to see how deep the convection is. From their NWS

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