000 FOUS11 KWBC 141941 QPFHSD PROBABILISTIC HEAVY SNOW AND ICING DISCUSSION NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 341 PM EDT TUE MAY 14 2013 VALID 00Z WED MAY 15 2013 - 00Z SAT MAY 18 2013 ...DAYS ONE THROUGH THREE... THE PROBABILITY OF HEAVY SNOW AND/OR SIGNIFICANT ICING IS LESS THAN 10 PERCENT MUSHER $$