FOUS11 KWBC 020854
QPFHSD
 
PROBABILISTIC HEAVY SNOW AND ICING DISCUSSION
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
453 AM EDT TUE MAY 02 2006
 
VALID 12Z TUE MAY 02 2006 - 12Z FRI MAY 05 2006
 

DAYS ONE AND TWO...

THE PROBABILITY OF HEAVY SNOW OR SIGNIFICANT ICING IS LESS THAN 10
PERCENT.

DAY THREE

A MID LEVEL TROF OVER THE INTERMOUNTAIN WEST WILL SUPPORT AN AREA
OF PRECIP CENTERED ACROSS THE N-CNTRL ROCKIES/HIGH PLAINS.  SRN
CANADA HIGH PRESSURE SLOWLY BUILDING INTO THE PLAINS MAY PROVIDE
AT LEAST A MODEST DEGREE OF ENHANCEMENT AT SOME LOCATIONS.  BASED
ON A CONSENSUS MODEL EVOLUTION OF THE WRN CONUS PATTERN MORE
SIMILAR TO THE GFS... EXPECT SNOW LEVELS TO BE AS LOW AS 6500 FT
OR SO IN THE LARAMIE MTS WITH AREAL AVG LIQUID EQUIV OF AT LEAST
0.20-0.40 INCH... WARRANTING A LOW PROBABILITY OF 4 INCH TOTALS. 
ELSEWHERE EXPECT 4 INCH AMTS TO BE CONFINED TO LOCATIONS ABOVE THE
7500 FT THRESHOLD FOR A THREAT AREA.  

RAUSCH
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