022 FPUS65 KMSO 280330 AFDMSO WESTERN MONTANA AND NORTH CENTRAL IDAHO FORECAST DISCUSSION NATIONAL WEATHER SERVICE MISSOULA MT 830 PM MST SAT DEC 27 1997 WINTER STORM WARNING FOR WESTERN MONTANA MOUNTAINS FOR SUNDAY SHALL CONTINUE. CURRENT IMAGERY AND BRIEF LOOK AT NEW ETA INDICATE CURRENT FORECAST ON TRACK WITH WARM AIR ADVECTION AND ABUNDANT MOISTURE FEED TO PRODUCE GOOD PRECIP/MOUNTAIN SNOW EVENT. THIS EVENT LIKELY TO LAST INTO SUNDAY NIGHT SO EXPECT MID SHIFT WILL HAVE TO EXTEND THE WARNING INTO SUNDAY NIGHT. ONLY PROBLEM OF THE NIGHT HAS BEEN THE CLEAR SKIES AHEAD OF CLOUD MASS. THIS ALLOWED SOME TEMPS TO REACH OR EXCEED THEIR FORECAST LOWS...ALREADY HANDLED WITH 8 PM MONTANA ZONE UPDATE. BELTZ LIB .. 023/032 028/036 ... 277+86 FCA SR 017/036 034/042 034 275976 POL .. 025/039 036/045 ... 274765 MSO SE 023/038 033/043 033 273764 HMM .. 020/039 035/046 ... 272763 BTM .. 014/036 033/040 ... 272765 S80 .. 028/042 038/045 ... 276862 P69 .. 031/036 034/041 ... 277983 SMN .. 012/025 018/029 ... 273552