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ON THE JAN 17-18 SECS/ MECS THREAT NOT HAPPENING


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first a comment about  JAN 11-12   Low/ busted forecasted   ...I could do a JB   thing  say "well I got the pattern "but  but I wont  do that.   I busted

That forecast was  based on  key assumption   that the  Jan 11-12   arctic cold front  ( which we  all  now see)  IS coming ... would arrive  FIRST  before the Low  over  AL  developed .    The early development of LOW   killed that whole idea
 
OK on this  event...  The KEYS  to this threat   are
 
1)  the  severe -AO and   historic  -NAO ( -4sd)   that is going to develop
 
2)  the   New England  clipper Low JAN 13-14   gets  trapped by the block  and becomes a massive 50/ 50 Low or  the PV
 
3) the   SPLIT  flow  pattern  and the  strong  short wave over southern   Calif 
 
   ANY MODEL  solution   that   has the  50/50 Low  and/ or  PV in se  Canada  and the Huge  massive -NAO and   Strong -AO  but takes the LOW Inland  (such as  an  Ohio valley  or Appalachain track)  is   simply  meteorologically impossible.  

That  being  the case... if the  18z GFS  and 12Z high ECMWF  parallel Model are  overdoing 
the   50/50 Low  then   things    will be very different 
 
 
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post-9415-0-62226100-1452219447_thumb.jp
 
post-9415-0-94992400-1452219452_thumb.jp

 
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it will likely snow somewhere along the east coast at some point in the heart of winter

if you keep calling for it, eventually you can say ur right

i'd say the shorter term story will be more ice than snow. think 98

you've got anomalous ssts, and if you have a torchy southern stream run into a marginal airmass, more likely cold rain then ice as the true polar air moves in behind the departing low. could be some historic ice storms this year

snow sweet spot for the east will be feb 7-21

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  delusional 

 

it will likely snow somewhere along the east coast at some point in the heart of winter

if you keep calling for it, eventually you can say ur right

i'd say the shorter term story will be more ice than snow. think 98

you've got anomalous ssts, and if you have a torchy southern stream run into a marginal airmass, more likely cold rain then ice as the true polar air moves in behind the departing low. could be some historic ice storms this year

snow sweet spot for the east will be feb 7-21

attachicon.gifimage.png

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