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December-winter is finally here!


weathafella

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Watch out South Coast and eastern MA for rains changing over to sleet/freezing rain and snowfall Saturday night as cold air tries to reach the coast before the precip shuts off.  NAM has around .50 to .75" of QPF falling just as the temps reach freezing.  Something to just watch for in future runs.  GFS shows this to a lesser degree.

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Watch out South Coast and eastern MA for rains changing over to sleet/freezing rain and snowfall Saturday night as cold air tries to reach the coast before the precip shuts off. NAM has around .50 to .75" of QPF falling just as the temps reach freezing. Something to just watch for in future runs. GFS shows this to a lesser degree.

NAM has about a 3 hour window Sunday morning where 925's drop under freezing, and there's still precip. 850's not so much..so I wouldn't be surprised if we end as a bit of sleet.

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Lol P006, just lol.

 

Putting aside the 983mb low at the BM that this GEFS member was showin as obviously irrelevant...

 

I like the time frame around the 16-17th for another opportunity for disappointment. Potentially another PNA spike with a falling NAO.

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Thats the coldest Op run of the GFS in 7-10 days.....many of the ensemble members on the 00Z run though were fairly cold after Day 10-12....5-6 had deep troughs in the East

 

Yeah no kidding. 

 

Looks like northern half of the CONUS is much colder beyond about 252hr with a much stronger high. Pretty different from the 18z op GFS run yesterday. 

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