408
WWUS45 KBOI 192034
WSWBOI
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BOISE ID
134 PM MST TUE NOV 19 2024
..POTENT PACIFIC STORM BRINGING VERY WET WEATHER
.A RAPIDLY INTENSIFYING PACIFIC STORM WILL CARRY LOTS OF MOISTURE
THROUGH THE AREA. SNOW ON WEDNESDAY EXPECTED TO ACCUMULATE IN HIGH
ELEVATIONS, SWITCHING TO RAIN/MIXED PRECIP BELOW 7000-8000 FEET ON
THURSDAY. THE STEADY WARMING ACCOMPANYING THE SYSTEM MAKES THE
ACCUMULATION FORECAST PARTICULARLY TRICKY AS MOST OF THE AREA WARMS
ABOVE FREEZING BY THURSDAY AFTERNOON, BUT THIS AT LEAST SUGGESTS
IMPACTS MAY BE SHORTLIVED. LIQUID EQUIVALENT AND RAINFALL AMOUNTS
WILL BE HIGHEST ON THURSDAY. PERIODS OF MODERATE SNOWFALL RATES
POSSIBLE THURSDAY MORNING.
IDZ011-013-201000-
/O.NEW.KBOI.WW.Y.0013.241120T1200Z-241121T1200Z/
WEST CENTRAL MOUNTAINS-BOISE MOUNTAINS-
INCLUDING THE CITIES OF PINE, IDAHO CITY, MCCALL, CASCADE,
LOWMAN, AND GARDEN VALLEY
134 PM MST TUE NOV 19 2024
...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM WEDNESDAY TO 5 AM MST
THURSDAY...
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS 4 TO 7 INCHES
BETWEEN 5000-7000 FT MSL MAINLY IMPACTING HIGH ELEVATION PASSES.
WINDS GUSTING 25 TO 35 MPH IN HIGHER TERRAIN.
* WHERE...BOISE MOUNTAINS AND WEST CENTRAL MOUNTAINS.
* WHEN...FROM 5 AM WEDNESDAY TO 5 AM MST THURSDAY.
* IMPACTS...ROADS, AND ESPECIALLY BRIDGES AND OVERPASSES, WILL
LIKELY BECOME SLICK AND HAZARDOUS. TRAVEL COULD BE VERY DIFFICULT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SLOW DOWN AND USE CAUTION WHILE TRAVELING. THE LATEST ROAD
CONDITIONS FOR THE STATE YOU ARE CALLING FROM CAN BE OBTAINED BY
CALLING 5 1 1.
BE PREPARED FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE
DRIVING. IF YOU ARE GOING OUTSIDE, WATCH YOUR FIRST FEW STEPS TAKEN
ON STAIRS, SIDEWALKS, AND DRIVEWAYS. THESE SURFACES COULD BE ICY AND
SLIPPERY, INCREASING YOUR RISK OF A FALL AND INJURY.
JM
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