HAZARDOUS WEATHER OUTLOOK
Issue Date: 542 PM MST MON DEC 21 2009
Expiration: 545 PM MST TUE DEC 22 2009

Expires:200912230045;;
FLUS45 KBYZ 220041
HWOBYZ
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BILLINGS MT
541 PM MST MON DEC 21 2009
MTZ028>042-056>058-063>068-WYZ098-099-230045-
SOUTHERN WHEATLAND-MUSSELSHELL-TREASURE-NORTHERN ROSEBUD-CUSTER-
FALLON-NORTHERN STILLWATER-YELLOWSTONE-POWDER RIVER-CARTER-
SOUTHERN BIG HORN-EASTERN CARBON-NORTHERN PARK-
NORTHERN SWEET GRASS-GOLDEN VALLEY-RED LODGE FOOTHILLS-
NORTHERN BIG HORN-SOUTHERN ROSEBUD-JUDITH GAP-PARADISE VALLEY-
LIVINGSTON AREA-BEARTOOTH FOOTHILLS-ABSAROKA/BEARTOOTH MOUNTAINS-
CRAZY MOUNTAINS-NORTHEAST BIG HORN MOUNTAINS-SHERIDAN FOOTHILLS-
541 PM MST MON DEC 21 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
MONTANA...SOUTH CENTRAL MONTANA...SOUTHEAST MONTANA AND NORTH
CENTRAL WYOMING.
.DAY ONE...TONIGHT
AREAS OF DENSE FOG MAY DEVELOP AGAIN TONIGHT CAUSING REDUCED
VISIBILITIES. SOME LOCATIONS WILL SEE DENSE FOG WITH VISIBILITIES
AROUND ONE QUARTER OF A MILE FOR MUCH OF THE NIGHT...INCLUDING
MUSSELSHELL AND NORTHERN ROSEBUD COUNTIES. ANYONE TRAVELING
TONIGHT AND INTO TUESDAY MORNING SHOULD USE CAUTION AND BE
PREPARED FOR LOW VISIBILITIES DUE TO THE FOG. IN ADDITION TO THE
LOW VISIBILITIES...WITH TEMPERATURES BELOW FREEZING SOME ICE
ACCUMULATION ON ROADWAYS IS POSSIBLE WHERE FOG DOES DEVELOP. SO BE
ALERT FOR ICY SPOTS WHICH WOULD MAKE ANY QUICK STOPS DIFFICULT OR
IMPOSSIBLE.
.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY
A WINTER STORM WILL AFFECT THE REGION STARTING TUESDAY NIGHT AS
COLD AIR SURGES INTO THE AREA. SNOW WILL DEVELOP AND CHALLENGING
DRIVING CONDITIONS ARE EXPECTED SHORTLY AFTER THE COLD AIR
ARRIVES CONTINUING INTO WEDNESDAY WITH 2 TO 4 INCHES OF SNOWFALL
EXPECTED. THIS WILL BRING DETERIORATING CONDITIONS AS HOLIDAY
TRAVEL BEGINS TO PICK UP MIDWEEK. EXPECT FALLING TEMPERATURES ON
WEDNESDAY WITH READINGS NEAR ZERO BY THURSDAY MORNING. PEOPLE
PLANNING TRAVEL WILL NEED TO STAY INFORMED ON THE LATEST
FORECASTS AND BE PREPARED TO ALLOW EXTRA TIME TO COMPLETE TRAVEL
THIS WEEK.
.SPOTTER INFORMATION STATEMENT...
WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
$$