HAZARDOUS WEATHER OUTLOOK
Issue Date: 509 AM MST SAT DEC 05 2009
Expiration: 600 AM MST SUN DEC 06 2009

Expires:200912061300;;
FLUS45 KBYZ 051206
HWOBYZ
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BILLINGS MT
506 AM MST SAT DEC 5 2009
MTZ028>042-056>058-063>068-WYZ098-099-061300-
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-
506 AM MST SAT DEC 5 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
MONTANA...SOUTH CENTRAL MONTANA...SOUTHEAST MONTANA AND NORTH
CENTRAL WYOMING.
.DAY ONE...TODAY AND TONIGHT
ACCUMULATING SNOW ALONG WITH THE COLDEST AIR OF THE SEASON WILL
INVADE THE REGION TODAY AND TONIGHT. SNOW ACCUMULATIONS OF 2 TO 4
INCHES CAN BE EXPECTED BY EARLY SUNDAY FOR AREAS ALONG AND WEST
OF A LINE FROM ROUNDUP TO BILLINGS TO SHERIDAN WYOMING. EXPECT
GREATER AMOUNTS OVER THE FOOTHILLS AND MOUNTAINS...WITH LIGHTER
AMOUNTS INTO EASTERN MONTANA. BITTERLY COLD TEMPERATURES WILL
SETTLE INTO THE AREA AS READINGS GRADUALLY FALL THROUGH THE DAY.
PEOPLE TRAVELING THROUGH THE AREA OR PLANNING TO BE OUTSIDE FOR
EXTENDED PERIODS OF TIME SHOULD MAKE PREPARATIONS FOR WINTER
WEATHER.
.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY
THE BITTERLY COLD AIR AND LIGHT SNOW WILL LINGER INTO EARLY NEXT
WEEK. MANY AREAS WILL SEE HIGH TEMPERATURES IN THE SINGLE DIGITS
ABOVE AND BELOW ZERO THROUGH TUESDAY WITH LOWS WELL BELOW ZERO.
.SPOTTER INFORMATION STATEMENT...
WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
$$

WINTER WEATHER ADVISORY
Issue Date: 359 AM MST SAT DEC 05 2009
Expiration: 500 AM MST SUN DEC 06 2009

.AN ARCTIC COLD FRONT WILL DROP SOUTH ACROSS THE REGION TODAY AND
TONIGHT. ACCUMULATING SNOW WILL DEVELOP AS THE FRONT MOVES IN
THIS MORNING AND CONTINUE THROUGH THE DAY AND INTO THE NIGHT
TONIGHT. GUSTY NORTH WINDS WILL CREATE AREAS OF BLOWING SNOW AND
BITTERLY COLD WIND CHILLS.
MTZ040>042-056-064>066-052300-
/O.CON.KBYZ.WW.Y.0036.000000T0000Z-091206T1200Z/
NORTHERN PARK-NORTHERN SWEET GRASS-GOLDEN VALLEY-
RED LODGE FOOTHILLS-PARADISE VALLEY-LIVINGSTON AREA-
BEARTOOTH FOOTHILLS-
INCLUDING THE CITIES OF...CLYDE PARK...WILSALL...BIG TIMBER...
RYEGATE...LAVINA...RED LODGE...EMIGRANT...LIVINGSTON...FISHTAIL...
MCLEOD
359 AM MST SAT DEC 5 2009
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
SUNDAY...
A WINTER WEATHER ADVISORY FOR SNOW REMAINS IN EFFECT UNTIL 5 AM
MST SUNDAY.
TOTAL SNOWFALL OF 3 TO 5 INCHES CAN BE EXPECTED BY SUNDAY MORNING
AS AN ARCTIC BOUNDARY PUSHES INTO THE REGION. HIGHEST SNOW
AMOUNTS WILL BE ACROSS NORTH FACING SLOPES. THE GREATEST SNOWFALL
RATES WILL OCCUR SATURDAY AFTERNOON AND EVENING...BEFORE TAPERING
OFF TO A LIGHTER SNOWFALL. LIGHT SNOW WITH MINOR ADDITIONAL
ACCUMULATIONS WILL PERSIST INTO MONDAY.
IN ADDITION TO THE SNOW...TEMPERATURES WILL TUMBLE BELOW ZERO BY
SUNDAY MORNING. THESE VERY COLD TEMPERATURES WILL COMBINE WITH
GUSTY WINDS TO PRODUCE BITTERLY COLD WIND CHILLS AND AREAS OF
BLOWING SNOW.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR THE LATER
UPDATES ON THIS SITUATION.
&&
$$

WIND CHILL ADVISORY
Issue Date: 316 AM MST SAT DEC 05 2009
Expiration: 1100 AM MST MON DEC 07 2009

...SNOW ALONG THE CONTINENTAL DIVIDE TODAY FOLLOWED BY VERY COLD
TEMPERATURES AND DANGEROUS WIND CHILLS ACROSS WESTERN MONTANA
THROUGH MONDAY...
.THE INITIAL UPPER TROUGH WILL PASS TO THE SOUTH OF THE NORTHERN
ROCKIES TODAY FOLLOWED BY SECOND SURGE OF EVEN COLDER AIR WILL
HAVE THE FOLLOWING IMPACTS:
IMPACT 1: AN ADDITIONAL 1 TO 3 INCHES OF SNOW ACCUMULATION TODAY
IN VALLEYS AND MOUNTAINS NEAR THE CONTINENTAL DIVIDE FROM
POLEBRIDGE SOUTH TO SEELEY LAKE.
IMPACT 2: DANGEROUS WIND CHILLS OF 20 TO 40 BELOW ZERO IN AREAS
NEAR THE CONTINENTAL DIVIDE...AND 10 TO 20 BELOW ZERO WEST OF THE
HIGHWAY 93 CORRIDOR.
IMPACT 3: VERY COLD ARCTIC AIR REMAINING IN PLACE THROUGH MID
WEEK.
MTZ001-004>006-051830-
/O.CON.KMSO.WC.Y.0006.091206T0300Z-091207T1800Z/
KOOTENAI/CABINET REGION-LOWER CLARK FORK REGION-
MISSOULA/BITTERROOT VALLEYS-BITTERROOT/SAPPHIRE MOUNTAINS-
316 AM MST SAT DEC 5 2009
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING
TO 11 AM MST MONDAY...
A WIND CHILL ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO
11 AM MST MONDAY.
* IMPACTS/TIMING: INCREASING NORTHEAST WINDS AND VERY COLD WIND
  CHILLS TONIGHT THROUGH MIDDAY MONDAY.
* WIND CHILL VALUES: 10 TO 20 BELOW ZERO
* WIND SPEEDS: 10 TO 20 MPH WITH GUSTS UP TO 30 MPH POSSIBLE
  TONIGHT THROUGH SUNDAY NIGHT. STRONGER WINDS OF 25 TO 35 MPH
  ARE POSSIBLE THROUGH HELLGATE CANYON.
* LOCATIONS IMPACTED INCLUDE...HIGHWAY 2 KALISPELL TO LIBBY...
  HIGHWAY 37 EUREKA TO LIBBY...HIGHWAY 56 BULL LAKE ROAD...
  HIGHWAY 93 EUREKA TO WHITEFISH...EVARO HILL...HIGHWAY 200
  THOMPSON FALLS TO PLAINS...HIGHWAY 200 TROUT CREEK TO HERON...
  I-90 LOOKOUT PASS TO HAUGAN...BITTERROOT VALLEY...MISSOULA...
  HIGHWAY 93 SULA TO LOST TRAIL PASS...LOLO PASS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.
&&
$$