Quantitative Precipitation Forecast
Issued by NWS

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000 FOUS11 KWBC 302017 QPFHSD PROBABILISTIC HEAVY SNOW AND ICING DISCUSSION NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 416 PM EDT SAT APR 30 2016 VALID 00Z SUN MAY 01 2016 - 00Z WED MAY 04 2016 DAYS 1-3... ...CENTRAL/SOUTHERN ROCKIES... THE UPPER LOW THAT HAS DELIVERED HEAVY SNOWS TO PORTIONS OF THE CENTRAL ROCKIES AND HIGH PLAINS IS EXPECTED TO CONTINUE TO WEAKEN AND TRACK STEADILY TO THE EAST...KICKED DOWNSTREAM BY A MID-UPPER LOW DROPPING INTO THE SOUTHWEST SAT NIGHT INTO SUN. UPPER LEVEL DIVERGENCE COMBINED WITH LOW LEVEL CONVERGENCE AND UPSLOPE FLOW ARE EXPECTED TO SUPPORT THE THREAT FOR HEAVY SNOW ACROSS PORTIONS OF THE SAN JUAN AND SANGRE DE CRISTO MOUNTAINS -- WHERE FOR THE 24-HR PERIOD ENDING LATE SUN...ADDITIONAL ACCUMULATIONS OF 8-INCHES OR MORE ARE POSSIBLE. THE HEAVY SNOW THREAT IS EXPECTED TO DIMINISH THEREAFTER AS THE UPPER LOW SHEARS OUT TO THE NORTHEAST. HOWEVER...ADDITIONAL SNOW SHOWERS ARE EXPECTED TO CONTINUE ACROSS THE REGION AS UPSTREAM ENERGY CONTINUES TO UNDERCUT THE RIDGE. THE PROBABILITY OF SIGNIFICANT ICING IS LESS THAN 10 PERCENT. PEREIRA $$

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