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February Mid/long Range Winter Discussion


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12z euro really locks in a cold pattern for the east through the entire period...especially nc northward. mid atlantic and especially great lakes and new england are in for a pretty impressive stretch of cold with 850mb temps as low as -36c slowly progressing through southeast canada and entering northern new england by day 7/8 and beyond. Will need to watch the progression of a 1040 plus arctic high that drops south to the northern plains by day 7 and then slowly slides east. . It weakens with time but the airmass is so cold it really should have no problem providing a lot of cold air if something comes along. Unfortunately a long dry stretch seems likely..however 12z run does have a system finally coming along day 9 with snow/ice pretty far south (central ms/al) then spreading into ga/carolinas day 10..snow all the way to south ga.

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I think that has room to come South. The confluence in the North Atlantic should help keep that high from blasting through. Maybe that wave can speed up.. You can watch it break off from the upper low in the gulf of Alaska.

mentioned this yesterday and I still stand by it. Check out how much colder the models are showing now in the 8-10!
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mentioned this yesterday and I still stand by it. Check out how much colder the models are showing now in the 8-10!

The duration and degree of the cold is Impressive to say the least on the euro. The 12z run  shows sub 0c 850mb temps the entirety of the next 10 days from north carolina northward  and the only day the euro shows above 0c for ga and sc is friday (0 to 4c). In fact the average 850mb temp the next 10 days in north carolina probably is on the order of -8 to -12c..with the next day or two and next friday the warmest at 0 to -4c..but dropping to   -20 to -24c by next sunday.

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The duration and degree of the cold is Impressive to say the least on the euro. The 12z run shows sub 0c 850mb temps the entirety of the next 10 days from north carolina northward and the only day the euro shows above 0c for ga and sc is friday (0 to 4c). In fact the average 850mb temp the next 10 days in north carolina probably is on the order of -8 to -12c..with the next day or two and next friday the warmest at 0 to -4c..but dropping to -20 to -24c by next sunday.

impressive shot coming.
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12z euro really locks in a cold pattern for the east through the entire period...especially nc northward. mid atlantic and especially great lakes and new england are in for a pretty impressive stretch of cold with 850mb temps as low as -36c slowly progressing through southeast canada and entering northern new england by day 7/8 and beyond. Will need to watch the progression of a 1040 plus arctic high that drops south to the northern plains by day 7 and then slowly slides east. . It weakens with time but the airmass is so cold it really should have no problem providing a lot of cold air if something comes along. Unfortunately a long dry stretch seems likely..however 12z run does have a system finally coming along day 9 with snow/ice pretty far south (central ms/al) then spreading into ga/carolinas day 10..snow all the way to south ga.

Guess that's all you can really ask for, having the cold air relatively close by, could atleast provide a good wedge at some point!
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Why are we not talking more about this system?

The past two days it hasn't fell off.

Everyone is focused on the 5 flakes that are going to fly tomorrow in Florence and Lumberton, and the drizzle that might clip RAH. When this is over and it's still showing on tomorrow's runs, it will get more attention! There is seemingly alot of cold air around , between now and then, definately another threat to keep an eye on. And the fact the Euro had a weenie run today, will be fun to track, I hope!
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it looks like a good freeze for the citrus groves. Your backyard should have a couple nights in the low to mid 20's.

thanks!

 

just picked this up from local nws - little north of me by 75 miles (s ga) but neat to see:

 

MODEL SOUNDINGS CONTINUE TO SHOW A BRIEF WINDOW OF OPPORTUNITY

FOR RAIN MIXING WITH SNOW OVER OUR NRN ZONES LATE TONIGHT AS

STRONG LIFT OCCURS NW OF THE LOW PRESSURE SYSTEM OFF THE COAST.

SFC TEMPS LOOK TO BE IN THE UPPER 30S AS THIS OCCURS THOUGH SOME

EVAPORATIVE COOLING IS POSSIBLE THOUGH NOT APPEARING TO BE A BIG

FACTOR. LATEST SOUNDINGS AND SREF GUIDANCE SEEM TO INDICATE A

SLIGHTLY LOWER PROBABILITY OF SNOW/SNOW FLURRIES THAN PRIOR

FCSTS...BUT IS STILL POSSIBLE. WILL CONTINUE WITH MENTION OF THIS

IN THE FCST AND GRIDS ATTM. FOR THE UPDATE...INCREASED RAIN

CHANCES AND TWEAKED TEMPS TONIGHT. STILL ANTICIPATE LOWS IN MID TO

UPPER 30S IN SE GA AND UPPER 30S TO LOWER 40S IN NE FL. PINCHED

PRES ALSO RESULTING IN SLIGHTLY HIGHER WINDS OVER LAND (MAINLY

COASTAL NE FL) SO BUMPED WINDS UP...BUT APPEARS TO STAY JUST BELOW

WIND ADVY CONDITIONS ATTM.

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12z para Euro is even colder than the regular euro. Drops some light snow in coastal sections of SC and then has a big storm in Texas with 850 temps below freezing into the gulf.

day 8 it has a 1052mb high over lake superior. The Atlantic is blocked up so it can't escape east.

Nice franklin, the Euro Para is pretty epic looking.  Sends the PV - 50/50 low way south into NJersey then traps it with a big ridge extending from the Azores to the Davis Strait.

 

There's one para member that has 25 inches of snow from ATL to GSP to CLT to RDU and points NW from there   :snowman:

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