Winter Weather Advisory
URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE GREAT FALLS MT 257 PM MDT WED MAY 22 2013 MTZ009-048-230500- /O.UPG.KTFX.WS.A.0005.130523T0000Z-130523T1800Z/ /O.NEW.KTFX.WW.Y.0020.130523T0600Z-130524T1800Z/ NORTHERN ROCKY MOUNTAIN FRONT-SOUTHERN ROCKY MOUNTAIN FRONT- INCLUDING THE FOLLOWING LOCATIONS...MARIAS PASS 257 PM MDT WED MAY 22 2013 ...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO NOON MDT FRIDAY FOR ELEVATIONS ABOVE 5500 FEET... THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR ELEVATIONS ABOVE 5500 FEET FOR SNOW... WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON MDT FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING AND MAIN IMPACT: LIGHT RAIN WILL FALL OVER THE ROCKY MOUNTAIN FRONT THIS EVENING. THE RAIN WILL GRADUALLY CHANGE TO SNOW FOR ELEVATIONS ABOVE 5500 FEET AFTER MIDNIGHT. ABOVE 6000 FEET...THE SNOW MAY BE HEAVY AT TIMES LATE TONIGHT THROUGH FRIDAY MORNING. * SNOW ACCUMULATIONS: TOTAL SNOW ACCUMULATIONS OF 2 TO 5 INCHES IS EXPECTED OVER MARIS PASS...WHILE ABOVE 6000 FEET ISOLATED AMOUNTS OF 10 TO 15 INCHES IS EXPECTED. * VISIBILITY: VISIBILITIES COULD BE REDUCED TO LESS THAN ONE HALF MILE AT TIMES. * ELEVATIONS: MAINLY FOR ELEVATIONS ABOVE 5500 FEET. * OTHER IMPACTS: PERIODS OF SNOW WILL AFFECT MARIAS PASS ON HIGHWAY 2 LATER TONIGHT THROUGH FRIDAY...BUT THE MOST SIGNIFICANT SNOWFALL IS EXPECTED NEAR RIDGE TOPS. TRAVELERS SHOULD EXPECT REDUCED VISIBILITIES AND SLUSH BUILDUP ON THE ROADWAY LATE TONIGHT THROUGH FRIDAY MORNING. THOSE VENTURING TO ELEVATIONS ABOVE 6000 FEET IN GLACIER NATIONAL PARK AND THE BOB MARSHALL WILDERNESS AREAS SHOULD BE PREPARED FOR WINTER CONDITIONS. * LOCATIONS AFFECTED INCLUDE: MARIAS PASS. * TO SEE A GRAPHICAL REPRESENTATION OF THIS HAZARD PLEASE VISIT. WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=TFX PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1. && $$