Sunday, January 16, 2011

MIDWEST STORM DISCUSSION


18Z RUN OF GFS TAKES SYSTEM INTO CENTRAL IL, PROVIDING HEAVIEST SNOW AMOUNTS IN N. IL, S. WI.
PREVIOUS 12Z RUN OF GFS INDICATED NW IL WOULD RECEIVE 10+'' AT CURRENT STANCE. HOWEVER, SINCE STORM HAS MOVED SOUTH, THOSE AMOUNTS MAY BE MORE WIDESPREAD.
AT THE NEXT RUN (0Z), BEST DATA CAN BE EXPECTED AS SYSTEM IS FULLY ONSHORE.
WITH CONFIDENCE, WILL NOW MOVE MIDWEST STORM ESTIMATE TO 10 (practically guaranteed).
FOR A BETTER IDEA ON WHERE THE MOST SNOW WILL OCCUR, THE AREAS ABOVE THE RED LINE WILL GET THE HEAVIEST SNOW, WITH THAT HEAVY SNOW ZONE STOPPING AT SOUTH WISCONSIN.
ACCUMULATIONS COULD BE AS HIGH AS 6'', WITH LOCALIZED TOTALS MORE THAN THAT.

Midwest winter storm bulletin- 12z run is more south