000 FOUS11 KWBC 131950 QPFHSD PROBABILISTIC HEAVY SNOW AND ICING DISCUSSION NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 350 PM EDT MON MAY 13 2013 VALID 00Z TUE MAY 14 2013 - 00Z FRI MAY 17 2013 ...DAYS ONE THROUGH THREE... THE PROBABILITY OF HEAVY SNOW AND/OR SIGNIFICANT ICING IS LESS THAN 10 PERCENT MUSHER $$