308
FOUS11 KWBC 150602
QPFHSD
PROBABILISTIC HEAVY SNOW AND ICING DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
202 AM EDT THU OCT 15 2026
VALID 12Z THU OCT 15 2026 - 12Z SUN OCT 18 2026
..CENTRAL ROCKIES
DAY 1...
THE UPPER-LEVEL LOW RESPONSIBLE FOR PERIODS OF SNOW ABOVE 6,000FT
IN NORTHERN CO AND SOUTHERN WY WILL EXIT EAST AND WEAKEN AS IT
DEPARTS THE REGION TODAY. SOME LIGHT SNOW WILL FALL AS LOW AS
~6,000FT AND COULD AFFECT TRAVEL ALONG I-25 IN SOUTHEAST WY. THE
HEAVIEST SNOWFALL (>4") IS CONFINED TO ELEVATIONS ABOVE 8,000FT.
THE LATEST 00Z HREF GUIDANCE SHOWS MODERATE-TO-HIGH CHANCES
(50-80%) FOR 1"/HR SNOWFALL RATES AROUND ROCKY MOUNTAIN NAT'L PARK
AND ALONG THE LARAMIE AND MEDICINE BOW MOUNTAINS THIS MORNING.
ADDITIONAL SNOWFALL ACCUMULATIONS IN THE MOUNTAINS ABOVE 8,000FT
WILL RANGE BETWEEN 3-6" WITH ELEVATIONS AS LOW AS 6,000FT SEEING A
COATING-2". RATES WILL STEADILY TAPER OFF AROUND MIDDAY AND
CONDITIONS WILL IMPROVE AT ALL PASS LEVELS IN NORTHERN CO AND
SOUTHERN WY FROM LATE MORNING AND INTO THE AFTERNOON.
FOR DAYS 1-3, THE PROBABILITY OF SIGNIFICANT ICING ACROSS THE
CONUS IS LESS THAN 10 PERCENT.
MULLINAX
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