336  
FOUS11 KWBC 071814  
QPFHSD  
 
PROBABILISTIC HEAVY SNOW AND ICING DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
214 PM EDT WED MAY 7 2025  
 
VALID 00Z THU MAY 08 2025 - 00Z SUN MAY 11 2025  
 
   
..COLORADO  
 
DAY 1...  
 
LINGERING VORTICITY ON THE WESTERN SIDE OF THE DEPARTING UPPER LOW  
WILL STILL TRIGGER SOME LIGHT SNOW OVER THE SAN JUANS THIS EVENING  
BEFORE TAPERING OFF TONIGHT/EARLY THURSDAY. WPC PROBABILITIES FOR  
AT LEAST AN ADDITIONAL 4 INCHES OF SNOW AFTER 00Z ARE LOW (10-40%)  
ABOVE 11,000FT.  
 
FOR DAYS 2-3, THE PROBABILITY OF AT LEAST 4 INCHES OF SNOW IS LESS  
THAN 10%.  
 
THE PROBABILITY OF SIGNIFICANT FREEZING RAIN ACROSS THE CONUS IS  
LESS THAN 10%.  
 
NOTE - THIS IS THE LAST REGULARLY SCHEDULED DISCUSSION (QPFHSD)  
FOR THE 2024-2025 WINTER SEASON. UNLESS A SIGNIFICANT WINTER  
WEATHER THREAT EMERGES, THIS DISCUSSION WILL NEXT BE UPDATED ON OR  
ABOUT SEPTEMBER 25, 2025.  
 
FRACASSO  
 
 
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