Winter Weather Warnings / Watches / Advisories
Issued by NWS Missoula, MT

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WWUS45 KMSO 062138
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
238 PM MST TUE DEC 6 2016

MTZ003-072145-
/O.CON.KMSO.WC.Y.0001.000000T0000Z-161207T1900Z/
/O.CON.KMSO.WW.Y.0059.161207T0700Z-161208T0000Z/
238 PM MST TUE DEC 6 2016

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON MST
WEDNESDAY...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT
TONIGHT TO 5 PM MST WEDNESDAY...

* IMPACTS/TIMING: IN ADDITION TO LOW WIND CHILL TEMPERATURES
  TONIGHT, SNOW BANDS ARE EXPECTED ALONG FLATHEAD LAKE.

* SNOW: A SNOW BAND WILL FORM TONIGHT AROUND MIDNIGHT ALONG THE
  SOUTH END OF FLATHEAD LAKE. BIG ARM THROUGH POLSON TO FINLEY
  POINT ARE THE MOST LIKELY AREAS TO BE AFFECTED. 1 TO 3 INCHES
  OF SNOW ARE LIKELY, BUT UP TO 6 INCHES IS POSSIBLE IN A LOCAL
  AREA UNDER A SNOW BAND.

* FREEZING SPRAY: HIGH LAKE LEVELS, PARTICULARLY FLATHEAD LAKE,
  ALONG WITH WIND AND COLD TEMPERATURES WILL BRING THE THREAT
  FOR ICING ON DOCKS AND BOATS. THE SOUTH AND SOUTHWEST SIDE OF
  FLATHEAD LAKE HAS ALREADY HAD CONSIDERABLE ICING FROM FREEZING
  SPRAY, AND THIS WILL CONTINUE TONIGHT.

* WIND CHILL VALUES: 10 TO 15 DEGREES BELOW ZERO DURING THE
  MORNINGS AND AROUND ZERO DURING THE DAY.

* LOCATIONS IMPACTED INCLUDE: FLATHEAD LAKE, FLATHEAD VALLEY,
  MISSION VALLEY, AND POLSON

$$

MTZ005-071900-
/O.CON.KMSO.WC.Y.0001.000000T0000Z-161207T1900Z/
238 PM MST TUE DEC 6 2016

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON MST WEDNESDAY
FOR BITTERROOT VALLEY AND MISSOULA...

* IMPACTS/TIMING: VERY COLD WINDS CHILL VALUES WILL CONTINUE TO
  IMPACT THE VALLEY INTO WEDNESDAY MORNING. NORTHERLY WINDS WILL
  SLOWLY DEVELOP IN PARTS OF THE BITTERROOT VALLEY AND ALSO
  PRODUCE WIND CHILL CONCERNS OVERNIGHT TONIGHT AS WELL.

* WIND CHILL VALUES: 10 TO 15 DEGREES BELOW ZERO DURING THE
  MORNING.

$$

MTZ002-007-043-071900-
/O.CON.KMSO.WC.Y.0001.000000T0000Z-161207T1900Z/
238 PM MST TUE DEC 6 2016

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON MST
WEDNESDAY...

* IMPACTS/TIMING: VERY COLD WIND CHILL VALUES WILL CONTINUE
  THROUGH TONIGHT AND INTO WEDNESDAY MORNING.

* WIND CHILL VALUES: 15 TO 25 DEGREES BELOW ZERO TONIGHT.

* LOCATIONS IMPACTED INCLUDE: BAD ROCK CANYON, ESSEX, MT-83
  BIGFORK TO SWAN LAKE, MARIAS PASS, POLEBRIDGE, BUTTE, GEORGETOWN
  LAKE, US-12 GARRISON TO ELLISTON, HOMESTAKE PASS, MACDONALD
  PASS, MT-200 BONNER TO GREENOUGH, MT-83 SEELEY LAKE TO CONDON,
  AND I-90 EAST MISSOULA TO BEARMOUTH

$$

IDZ005-006-MTZ004-006-072145-
/O.NEW.KMSO.WS.A.0005.161209T0000Z-161210T1900Z/
238 PM MST TUE DEC 6 2016 /138 PM PST TUE DEC 6 2016/

...WINTER STORM WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
SATURDAY MORNING...

* IMPACTS/TIMING: AN IMPRESSIVE PUSH OF RELATIVELY WARM, MOIST AIR
  WILL MOVE INTO THE NORTHERN ROCKIES LATE THURSDAY AND INTERACT
WITH AN ALREADY VERY COLD ENVIRONMENT TO PRODUCE WIDESPREAD
SNOW THAT WILL LAST THROUGH AT LEAST SATURDAY MORNING. PERIODS
OF HEAVY SNOW ARE POSSIBLE, ESPECIALLY EARLY FRIDAY MORNING
THROUGH LATE FRIDAY NIGHT.

* SNOW ACCUMULATIONS: BETWEEN THURSDAY EVENING AND SATURDAY
  MORNING 12 TO 24 INCHES ARE POSSIBLE THROUGHOUT THE HIGHER
  TERRAIN INCLUDING OVER LOOKOUT, LOLO AND LOST TRAIL PASSES.
  VALLEY LOCATIONS WITHIN THE WATCH AREA SHOULD PREPARE FOR 6 TO
  12 INCHES WITH LOCALLY HIGHER AMOUNTS POSSIBLE IN SOME
  LOCATIONS. SNOWFALL MAY BE VERY HEAVY AT TIMES WITH RATES
  EXCEEDING 2 INCHES PER HOUR AND MAY RESULT IN SIGNIFICANTLY
  REDUCED VISIBILITY.

* CITIES AND FREQUENT TRAVEL ROUTES IMPACTED INCLUDE: ELK RIVER,
  ID-11 PIERCE TO HEADQUARTERS, PIERCE, DIXIE, ELK CITY, US-12
  LOWELL TO LOLO PASS, EVARO HILL, MT-200 THOMPSON FALLS TO
  PLAINS, MT-200 TROUT CREEK TO HERON, I-90 LOOKOUT PASS TO
  HAUGAN, US-93 SULA TO LOST TRAIL PASS, AND LOLO PASS

$$


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