190  
FXUS10 KWNH 100442  
PMDHMD  
 
MODEL DIAGNOSTIC DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
1142 PM EST TUE JAN 09 2018  
 
VALID JAN 10/0000 UTC THRU JAN 13/1200 UTC  
 
...SEE NOUS42 KWNO (ADMNFD) FOR THE STATUS OF THE UPPER AIR  
INGEST...  
 
00Z MODEL PREFERENCES  
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~  
 
   
..WINTER STORM WITH NEAR BLIZZARD CONDITIONS IN THE MIDWEST
 
   
..CYCLONE GRADUALLY DEVELOPING FROM THE SOUTHERN TO EASTERN U.S
 
 
PREFERENCE: 00Z NAM / 12Z ECMWF / 12Z CANADIAN  
CONFIDENCE: AVERAGE  
 
MODELS ARE IN AGREEMENT EARLY OVER THE MIDWEST...ASIDE FROM THE  
FASTER/FLATTER GFS SOLUTION. BUT THERE IS VERY MEANINGFUL MODEL  
SPREAD REGARDING THE DETAILS OF THE CYCLONE THAT EVOLVES OUT OF  
THE SOUTHERN PORTION OF THE TROUGH...TRACKING FROM THE SOUTHERN  
STATES TOWARD THE MID ATLANTIC / APPALACHIANS...AND AFFECTING THE  
GREAT LAKES AND NEW ENGLAND. WPC WILL BE USING BLENDS THAT CENTER  
ON THE NAM/ECMWF/CANADIAN...AND AVOIDING THE FLAT GFS SOLUTION.  
REFER TO THE EXTENDED FORECAST DISCUSSION...PMDEPD...FOR MORE  
INFORMATION.  
 
BURKE  
 
PREVIOUS MODEL TRENDS AT WWW.WPC.NCEP.NOAA.GOV/HTML/MODEL2.SHTML  
PREVIOUS 500 MB FORECASTS AT  
WWW.WPC.NCEP.NOAA.GOV/H5PREF/H5PREF.SHTML  
 

 
 
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