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Jan. 22nd-23rd threat


buckeye

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The ensemble mean did bump snow a little farther north. If we can get this to phase a tad sooner we'd probably be as good as we can get IMO.

Wondering though about a strong NE surface wind and dry Arctic air. Could cause a sharp cut off and even eat away more at the northern edge. Wonder if the Euro is picking that up? NAM hints at the crazy cut off at hr 84.

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The ensemble mean did bump snow a little farther north. If we can get this to phase a tad sooner we'd probably be as good as we can get IMO.

 

low positions don't look horrible.  Lots of them further nw then the op early on.    Pondo nailed it with his prediction that the 00z would trend south again

post-622-0-23860500-1453205218_thumb.jpg

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This is my first year in Ohio so a Se Transfer is a new term for me (we never had to deal with them in Texas) Is it inevitable for it to happen?

 

In my experience it almost never unfolds as the models show outside of 48 hours.  Either the strength and latitude of the primary is mishandled or the timing and position of the transfer is mishandled.    Either way, it does have screw job potential.

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low positions don't look horrible. Lots of them further nw then the op early on. Pondo nailed it with his prediction that the 00z would trend south again

Question is does 12z stay south or trend north again? I think today it starts to lock in so I think 12z stays the course of 0z w/ no huge changes either way.

BTW, I'm not a meteorologist, but I did stay at a Holiday Inn Express last night. LOL

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In my experience it almost never unfolds as the models show outside of 48 hours. Either the strength and latitude of the primary is mishandled or the timing and position of the transfer is mishandled. Either way, it does have screw job potential.

I don't know why, but you're right that these low hand offs are almost always mishandled. And it seems not usually in our favor lol

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Don't have a good feeling about the 12z runs. I don't have any support of why, but this feels very similar to the Feb/Mar '15 storms that slammed Kentucky and Southern Ohio and came brutally close to hitting I-70 with snows and didn't.

 

definitely possible.  Over the last couple years it seems like the nw trend only happens when we're in the bullseye leading up to the storm.  :lol:   

 

Really amazing aspect of this so far is the unreal steadfast pummeling the models have shown for the MA.... consistency run after run... that would never happen here.    I think March '08, our last massive big dog didn't lock in until 48 hrs.  The majority of our other biggies were surprises and last minute shifts.

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definitely possible.  Over the last couple years it seems like the nw trend only happens when we're in the bullseye leading up to the storm.  :lol:   

 

Really amazing aspect of this so far is the unreal steadfast pummeling the models have shown for the MA.... consistency run after run... that would never happen here.    I think March '08, our last massive big dog didn't lock in until 48 hrs.  The majority of our other biggies were surprises and last minute shifts.

 

Bolded x1000 lol. NW trend always screws us, never benefits us. I just began following weather models around that March '08 storm and I only vaguely remember tracking the NAM and GFS, so it was within a 2 or 3 day timeframe and there were only QPF differences, and not necessarily track, IIRC.

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Bolded x1000 lol. NW trend always screws us, never benefits us. I just began following weather models around that March '08 storm and I only vaguely remember tracking the NAM and GFS, so it was within a 2 or 3 day timeframe and there were only QPF differences, and not necessarily track, IIRC.

 

I'd rather see a full on HECS that hugs the coast and stays away then have to watch a super tight gradient snow shield pass 50 miles south of us....those are heartbreakers and we just had one late last winter, would suck to have another,  but it is definitely one of the top scenarios right now.

 

In the meantime I'll embrace weenie desperation clause 3b : "....we won't know what happens until the energy comes ashore"

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we need the nam to show a 980 to toledo at 84 to allow for future adjustment.

 

Here's a nice drawing from the short bus model suite.  DGEX 6z.    Pretty to look at though.  15-24" across central OH

We are on the same page! I wouldn't mind seeing the NAM really blow this thing up because it is almost always on the northern edge of guidance.

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we need the nam to show a 980 to toledo at 84 to allow for future adjustment.

 

Here's a nice drawing from the short bus model suite.  DGEX 6z.    Pretty to look at though.  15-24" across central OH

Hey don't make fun of the DGEX.... PIT forecast discussion factors it in...:)

 

 

 

.LONG TERM /THURSDAY NIGHT THROUGH MONDAY/...

MODEL CONSENSUS HAS STARTED TO GROW WITH REGARD TO THE LANDFALL

AND EASTWARD MIGRATION OF AN UPPER LEVEL LOW CURRENTLY WEST OF

VANCOUVER ISLAND THROUGH THE PACIFIC NORTHWEST...CENTRAL

ROCKIES...MISSISSIPPI RIVER VALLEY...AND INTO THE MIDDLE ATLANTIC

BY LATE THIS WEEK. IT SHOULD BE NOTED THAT THIS SYSTEM HAS YET TO

EVEN COME ON SHORE YET...AND AS THESE SYSTEMS TRACK OVER THE

ROCKIES...THEIR ORGANIZATION STRUCTURE CAN ALTER DRASTICALLY...NOT

TO MENTION THAT THE MODELS FAIL TO HANDLE THEIR EMERGENCE FROM THE

ROCKIES PARTICULARLY WELL QUITE OFTEN. THAT SAID...ALL EYES ARE

ALREADY POINTED AT THIS SYSTEM FOR POTENTIAL MIDDLE ATLANTIC

DEVELOPMENT FRIDAY INTO SATURDAY.

A RATHER COMPLEX EVOLUTION IS SET TO UNFOLD GOING INTO THIS WEEK

AS THE SYSTEM COMES ON SHORE WHILE A MUCH STRONGER SYSTEM STARTS

TO AMPLIFY OFF THE PACIFIC COAST AND INTO THE GULF OF ALASKA. THIS

ALLOWS FOR ENERGY ASSOCIATED WITH THE LANDFALLING SYSTEM TO STREAK

SOUTHEASTWARD VERY QUICKLY AS RIDGING BUILDS ALONG THE PACIFIC

COAST MID-WEEK AND IT IS FORCED DOWN THE FRONT SIDE OF THE RIDGE.

WHILE THIS WOULD GENERALLY ALLOW FOR A VERY DEEP SYSTEM TO EMERGE

EAST OF THE TERRAIN IN TEXAS...A VERY DEEP UPPER LOW OVER NORTH

CENTRAL CANADA REALLY INHIBITS THE LONGITUDINAL EXTENT OF THE

DEVELOPING WEST COASTAL RIDGE. AS A RESULT...MODEL SOLUTIONS HAVE

GENERALLY CLUSTERED IN A MORE NORTHERLY TRACK FOR THIS SYSTEM OUT

OF THE ROCKIES MID-WEEK WITH STRONG CLUSTERING FOR ITS EMERGENCE

IN NEBRASKA NOW EVIDENT AMONGST THE GFS...GEFS...CANADIAN...AND

ECMWF.

ALL SOLUTIONS TRACK THIS SYSTEM TOWARD THE CENTRAL APPALACHIANS

AND INTO THE MIDDLE ATLANTIC...AND MOST FAVOR FAR LESS SOUTHWARD

DIGGING AND NORTHWARD EJECTION OF THE SYSTEM ALONG THE COAST. THIS

WOULD BE CLIMATOLOGICALLY FAVORED GIVEN WHERE THE MODELS FAVOR ITS

EMERGENCE EAST OF THE ROCKIES. THIS LIKELY MEANS A BIT MORE

NORTHERLY TRACK EASTWARD THAN PREVIOUS SOLUTIONS FAVORED...WHICH

CAUSES THE CALCULUS TO SHIFT A BIT WITH REGARD TO THE FORECAST FOR

OUR AREA.

AS ENERGY MOVES TOWARD THE MID-ATLANTIC...SURFACE LOW PRESSURE

WILL FORM AND THE NAM/GFS/SREF AND EVENTUAL DGEX SOLUTIONS

INDICATING SOME SEMBLANCE OF THE LOW LEVEL VORTEX MAKING ITS WAY

NORTHWARD INTO WEST VIRGINIA AS THE MID-LEVEL LOW TURNS THE CORNER

AND STARTS TO MOVE NORTHEASTWARD. THIS IS A NEW DEVELOPMENT IN

MODEL SOLUTIONS RELATIVE TO PREVIOUS RUNS AS THESE SOLUTIONS FAVOR

850 MB TEMPERATURES REACHING NEAR 0C AROUND MORGANTOWN BY FRIDAY

EVENING. THIS WOULD MAKE P-TYPE A CONCERN SHOULD IT OCCUR...AS THE

BOUNDARY LAYER WOULD LIKELY WARM TOO MUCH TO SUPPORT ALL IN THIS

AREA. HOWEVER...A RAPIDLY INTENSIFYING LOW EAST OF THE TERRAIN

SEEMS LIKELY TO PRECLUDE MUCH NORTHWARD MIGRATION OF THE WARMER

AIR WEST OF THE TERRAIN...AND THE ECMWF SOLUTION REALLY SUPPRESSES

THE DEVELOPMENT TO THE WEST OF THE TERRAIN AS WELL. FOR THESE

REASONS...THE FORECAST STILL FAVORS ALL SNOW EVERYWHERE.

WITH THAT IN MIND...THE NORTHERN GRADIENT OF LIFT WITH THIS SYSTEM

IS RATHER STARK AS NORTHEASTERLY FLOW WILL FEED DRIER AIR INTO THE

SYSTEM AND LIKELY ALLOW FOR A RATHER STARK CUT OFF TO THE NORTH.

THAT SAID...285-295K LIFT IS IMPRESSIVE AND CENTERED SQUARELY IN

THE DENDRITIC GROWTH ZONE WITH A BACK-BUILDING AND INCREASINGLY

CURVED UPPER JET STRUCTURE FURTHER SUPPORTING AGEOSTROPHIC

COMPONENTS OF ASCENT. IN ESSENCE...THE MODELS SEEM TO BE SCREAMING

THAT A HEAVY PRECIPITATION EVENT IS LIKELY TO UNFOLD

IN...NEAR...OR JUST SOUTHEAST OF OUR AREA. THE REAL QUANDARY IS

WHERE WILL THE NORTHERN PERIPHERY BE. AT THE MOMENT...THE MOST

LIKELY SCENARIO FAVORS THE HEAVIEST PRECIPITATION JUST SOUTH AND

EAST OF PITTSBURGH...WITH AMOUNTS FALLING OFF A CLIFF TO THE

NORTHWEST. THIS IDEA WAS FEATURED IN THE HAZARDOUS WEATHER OUTLOOK

AND SHOULD CURRENT PROJECTIONS CONTINUE TO PERSIST IN FUTURE MODEL

AND ENSEMBLE RUNS...WINTER STORM WATCHES MAY WELL BE NEEDED. THAT

SAID...RUN-TO-RUN CONSISTENCY NEEDS TO BE MUCH BETTER ESTABLISHED

THAN IT CURRENTLY IS FOR THIS TO OCCUR...SO NO HEADLINES ARE

PLANNED AT THIS TIME. THOSE WITH TRAVEL INTERESTS NEAR OUR REGION

FRIDAY AND SATURDAY SHOULD REMAIN ABREAST OF FORECAST CHANGES.

RIDGING BUILDS IN BEHIND THE SYSTEM BY SUNDAY. THIS SHOULD ALLOW

FOR THE AREA TO DRY OUT WITH SUN TO RETURN.

TEMPERATURES...HOWEVER...SEEM POISED TO REMAIN RATHER WINTRY INTO

EARLY NEXT WEEK. FRIES

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With the Wednesday clipper trending south, I don't think it's good news for Friday. 

Confluence over the east appears pretty strong still which argues against a far north track, but there's been a noticeable trend for a stronger western ridge over the last day and potentially a more assertive phase. Could work out well for me with a storm that gets stronger but doesn't cut too far north. I still think I-70 is in the game for accumulating snow but I still think the jackpot is somewhere farther south. I'm becoming a bit less concerned about a complete whiff south for me here but would like to see the Euro come in a bit farther north.

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Confluence over the east appears pretty strong still which argues against a far north track, but there's been a noticeable trend for a stronger western ridge over the last day and potentially a more assertive phase. Could work out well for me with a storm that gets stronger but doesn't cut too far north. I still think I-70 is in the game for accumulating snow but I still think the jackpot is somewhere farther south. I'm becoming a bit less concerned about a complete whiff south for me here but would like to see the Euro come in a bit farther north.

 

My call for I-70 at this point would be 2"-3".  Something, I guess, but pretty heartbreaking considering what would happen just a little further south. 

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