Alert archive / Montana / Winter Storm Warnings in 2016

Winter Storm Warning 13, NWS Missoula, MT

December 26, 20165 counties in Montana; Clearwater County, Idaho County, Idaho

NWS Missoula, MT issued this winter storm warning at Dec 26, 2016, 2:11 PM MST for 5 counties in Montana; Clearwater County, Idaho County, Idaho. It took effect at Dec 27, 2016, 5:00 AM MST. It was in force for 16 hr. 13 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Dec 26, 2016, 2:11 PM MST (21:11 UTC)
In effect from
Dec 27, 2016, 5:00 AM MST
Expired
Dec 27, 2016, 9:26 PM MST
In force
16 hr
Issued by
NWS Missoula, MT

Counties Clearwater County, ID, Idaho County, ID, Flathead County, MT, Lake County, MT, Mineral County, MT, Missoula County, MT, Sanders County, MT

The radar

The Missoula radar (KMSX), 61 km from the middle of the area, began a volume at 21:17 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Dec 27, 6:00 AM MSTBLIZZARDGrangeville, IDAT LEAST 5 SEPARATE VEHICLES ARE STUCK ON US-95 AND HIGHWAY 162 DUE TO DRIFTING AND BLOWING SNOW. VISIBILITY HAS BEEN REDUCED TO ZERO AT TIMES WITH WINDS GUSTING TO 50 MPH BY GRANGEVILLE, TO 35 MPH ELSEWHERE IN THE CAMAS PRAIRIE. .
Dec 27, 6:02 AM MSTSNOW 55 Nw East Portal, MT. THE DURATION OF THE SNOW EVENT WAS 15 HOURS.
Dec 27, 6:30 AM MSTSNOW 1.55 N Creston, MTCOCORAHS STATION 5 NNW CRESTON /MT-FH-17/.
Dec 27, 7:00 AM MSTSNOW 1.13 S White Pine, MTCOCORAHS STATION 3 S WHITE PINE /MT-SN-4/.
Dec 27, 7:00 AM MSTSNOW 1.83 N Bigfork, MTCOCORAHS STATION 3 N BIGFORK /MT-FH-26/.
Dec 27, 7:00 AM MSTSNOW 2.83 Ene Bigfork, MTCOCORAHS STATION 2 E BIGFORK /MT-FH-16/.
Dec 27, 8:00 AM MSTSNOW 2.81 Wsw Ahsahka, IDCOCORAHS STATION AHSAHKA /ID-CW-6/. THE DURATION OF THE SNOW EVENT WAS 24 HOURS.
Dec 27, 8:35 AM MSTSNOW 2.410 Sse Orogrande, ID29 INCHES ON THE GROUND. CO-OP OBSERVER STATION DIXIE NORTH /DXEI1/. THE DURATION OF THE SNOW EVENT WAS 24 HOURS.
Dec 27, 9:30 AM MSTSNOW 53 Ne Riverside, ID16 INCHES ON THE GROUND. .
Dec 27, 9:57 AM MSTSNOW 53 W Teakean, ID30 INCHES OF SNOW DEPTH. STILL SNOWING. .
Dec 27, 10:00 AM MSTSNOW 510 W Jaype, ID32 INCHES ON THE GROUND. STILL SNOWING. 24 DEGREES. .
Dec 27, 10:11 AM MSTSNOW 36 W Syringa, ID14.5 INCHES ON THE GROUND. .
Dec 27, 10:21 AM MSTSNOW 6West Glacier, MTNOT SNOWING THERE RIGHT NOW. .

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Spokane, WA (KOTX), launched 12:00Z, 9.2 hours before the alert went out and 136 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Spokane, WA at 12:00Z on 2016-12-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Spokane, WA at 12:00Z on 2016-12-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 105 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
713 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
105 m²/s²
0-3 km storm-relative helicity
181 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

433 
WWUS45 KMSO 262111
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
211 PM MST MON DEC 26 2016

MTZ004-272200-
/O.UPG.KMSO.WS.A.0008.161227T0600Z-161228T1500Z/
/O.NEW.KMSO.WS.W.0013.161227T1200Z-161228T1200Z/
211 PM MST MON DEC 26 2016

...WINTER STORM WARNING IN EFFECT FROM 5 AM TUESDAY TO 5 AM MST
WEDNESDAY...

THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

* IMPACTS/TIMING: A STRONG SYSTEM WILL BRING SNOW AND WIND
  BEGINNING LATE TONIGHT. MODERATE TO HEAVY SNOW AND BLOWING SNOW
  MAY CREATE WHITE OUT CONDITIONS AT TIMES AND CAUSE SLICK TRAVEL,
  PARTICULARLY ON INTERSTATE 90 OVER LOOKOUT PASS. PERIODS OF 
SNOW AND BLOWING SNOW WILL PERSIST THROUGH WEDNESDAY MORNING. 

* SNOW ACCUMULATIONS: 3 TO 7 INCHES FOR THE LOWER ELEVATIONS AND 
  10 TO 15 FOR THE MOUNTAINS AND MOUNTAIN PASSES. 

* WINDS: WEST-SOUTHWEST 15 TO 25 MPH, GUSTING TO AROUND 40 MPH. 

* LOCATIONS IMPACTED INCLUDE: I-90 LOOKOUT PASS TO HAUGEN, EVARO 
HILL, HIGHWAY 200 THOMPSON FALLS TO PLAINS, HIGHWAY 200 TROUT 
CREEK TO HERON.

$$

MTZ002-272200-
/O.UPG.KMSO.WS.A.0008.161227T1200Z-161228T1800Z/
/O.NEW.KMSO.WS.W.0013.161227T1200Z-161228T1200Z/
211 PM MST MON DEC 26 2016

...WINTER STORM WARNING IN EFFECT FROM 5 AM TUESDAY TO 5 AM MST
WEDNESDAY...

THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

* IMPACTS/TIMING: A STRONG SYSTEM WILL BRING SNOW AND WIND
  BEGINNING LATE TONIGHT. MODERATE TO HEAVY SNOW AND BLOWING SNOW
  MAY CREATE WHITE OUT CONDITIONS AT TIMES AND CAUSE SLICK TRAVEL,
  ESPECIALLY FOR HIGHWAY 2 OVER MARIAS PASS. PERIODS OF SNOW AND 
BLOWING SNOW WILL PERSIST THROUGH WEDNESDAY MORNING. 

* SNOW ACCUMULATIONS: 2 TO 4 INCHES FOR THE VALLEYS. 6 TO 10 
  INCHES FOR THE MOUNTAINS INCLUDING MARIAS PASS. LOCALLY HIGHER 
  AMOUNTS POSSIBLE. 

* WINDS: WEST-SOUTHWEST 15 TO 25 MPH WITH GUSTS OVER 40 MPH. 

* LOCATIONS IMPACTED INCLUDE: MARIAS PASS, BAD ROCK CANYON, ESSEX,
  HIGHWAY 83 BIGFORK TO SWAN LAKE AND POLEBRIDGE

$$

IDZ005-006-MTZ006-272200-
/O.UPG.KMSO.WS.A.0008.161227T0600Z-161228T1500Z/
/O.EXB.KMSO.WW.Y.0069.161227T1200Z-161228T1200Z/
211 PM MST MON DEC 26 2016 /111 PM PST MON DEC 26 2016/

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM MST /4 AM PST/
TUESDAY TO 5 AM MST /4 AM PST/ WEDNESDAY...

THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

* IMPACTS/TIMING: A STRONG SYSTEM WILL BRING SNOW BEGINNING LATE
  TONIGHT. MODERATE TO HEAVY SNOW IS LIKELY AND WILL CAUSE SLICK
  TRAVEL, PARTICULARLY FOR LOLO AND LOST TRAIL PASSES. THERE IS
  THE POTENTIAL FOR LOCALIZED BLOWING SNOW WHICH COULD LOWER
  VISIBILITY TO LESS THAN 1/4 MILE AT TIMES. PERIODS OF SNOW AND
BLOWING SNOW WILL PERSIST THROUGH WEDNESDAY MORNING.

* SNOW ACCUMULATIONS: 5 TO 10 INCHES FOR THE LOWER ELEVATIONS AND 
8 TO 14 INCHES FOR THE MOUNTAINS AND MOUNTAIN PASSES. 

* WINDS: WEST-SOUTHWEST 10 TO 20 MPH, GUSTING TO 30 MPH.

* LOCATIONS IMPACTED INCLUDE: ELK RIVER, HIGHWAY 11 PIERCE TO 
  HEADQUARTERS, PIERCE, DIXIE, ELK CITY, HIGHWAY 12 LOWELL TO 
  LOLO PASS, HIGHWAY 93 SULA TO LOST TRAIL PASS, AND LOLO PASS

$$

IDZ007-272200-
/O.EXB.KMSO.WW.Y.0069.161227T0600Z-161228T0600Z/
111 PM PST MON DEC 26 2016

...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO
10 PM PST TUESDAY...

* IMPACTS/TIMING: A STRONG SYSTEM WILL BRING WIND AND BLOWING SNOW
  BEGINNING TONIGHT THROUGH TUESDAY MORNING, THEN A COMBINATION OF
  WIND AND SNOW AND BLOWING SNOW WILL OCCUR TUESDAY AFTERNOON AND
  EVENING, WHICH MAY REDUCE VISIBILITY AT TIMES AND CAUSE SLICK 
TRAVEL. THESE CONDITIONS WILL PERSIST THROUGH WEDNESDAY MORNING.

* SNOW ACCUMULATIONS: 2 TO 4 INCHES TUESDAY AFTERNOON AND EVENING.

* LOCATIONS IMPACTED INCLUDE: CAMAS PRAIRIE, GRANGEVILLE AND
  VICINITY.

$$

IDZ008-272200-
/O.EXB.KMSO.WW.Y.0069.161227T0600Z-161228T0600Z/
111 PM PST MON DEC 26 2016

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM TUESDAY TO 10 PM 
PST TUESDAY FOR HIGHWAY 95 SLATE CREEK TO RIGGINS AND WHITE BIRD 
GRADE...

* IMPACTS/TIMING: A STRONG SYSTEM WILL BRING SNOW AND STRONG WINDS
BEGINNING TUESDAY MORNING. SNOW AND BLOWING SNOW MAY REDUCE 
VISIBILITY AT TIMES AND CAUSE SLICK TRAVEL. 

* SNOW ACCUMULATIONS: 4 TO 7 INCHES OVER WHITEBIRD GRADE AND 2 TO
  4 INCHES ALONG HIGHWAY 95 SLATE CREEK TO RIGGINS.


$$

MTZ001-272200-
/O.EXB.KMSO.WW.Y.0069.161227T1200Z-161228T1200Z/
211 PM MST MON DEC 26 2016

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM TUESDAY TO 5 AM
MST WEDNESDAY...

* IMPACTS/TIMING: BEGINNING TUESDAY MORNING, A STRONG SYSTEM WILL
  CAUSE SNOW AND LOCALIZED BLOWING SNOW WHICH MAY REDUCE 
VISIBILITY AT TIMES AND CAUSE SLICK TRAVEL. PERIODS OF SNOW WILL
PERSIST THROUGH WEDNESDAY MORNING.

* SNOW ACCUMULATIONS: 3 TO 7 INCHES.

* LOCATIONS IMPACTED INCLUDE: HIGHWAY 200 LIBBY TO TROY, HIGHWAY 
2 KALISPELL TO LIBBY, HIGHWAY 37 EUREKA TO LIBBY, HIGHWAY 56 
BULL LAKE ROAD, AND HIGHWAY 93 EUREKA TO WHITEFISH.

$$

IDZ009-010-272200-
/O.CON.KMSO.WW.Y.0069.161227T1200Z-161228T1800Z/
211 PM MST MON DEC 26 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM TUESDAY TO
11 AM MST WEDNESDAY...

* IMPACTS/TIMING: A STRONG SYSTEM WILL BRING SNOW AND WIND
  BEGINNING TUESDAY MORNING. SNOW AND BLOWING SNOW MAY REDUCE
  VISIBILITY AT TIMES AND CAUSE SLICK TRAVEL. PERIODS OF SNOW AND
  BLOWING SNOW WILL PERSIST THROUGH WEDNESDAY MORNING, ESPECIALLY
  OVER GILMORE SUMMIT AND LOST TRAIL PASS. 

* SNOW ACCUMULATIONS: 8 TO 14 INCHES OVER LOST TRAIL PASS AND
  GILMORE SUMMIT. 2 TO 3 INCHES FOR THE VALLEYS.

* LOCATIONS IMPACTED INCLUDE: SHOUP, BANNOCK PASS, HIGHWAY 28 
  TENDOY TO LONE PINE, HIGHWAY 93 LOST TRAIL PASS TO 
  GIBBONSVILLE, LEMHI PASS, AND SALMON, GILMORE SUMMIT.


$$
7 follow-up statements
728 
WWUS45 KMSO 270132
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
632 PM MST MON DEC 26 2016

MTZ004-280145-
/O.CON.KMSO.WS.W.0013.161227T1200Z-161228T1200Z/
632 PM MST MON DEC 26 2016

...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 AM TUESDAY TO
5 AM MST WEDNESDAY...

* IMPACTS/TIMING: A STRONG SYSTEM WILL BRING SNOW AND WIND 
  BEGINNING LATE TONIGHT. MODERATE TO HEAVY SNOW AND BLOWING 
  SNOW MAY CREATE WHITE OUT CONDITIONS AT TIMES AND CAUSE SLICK 
  TRAVEL, PARTICULARLY ON INTERSTATE 90 OVER LOOKOUT PASS. 
  PERIODS OF SNOW AND BLOWING SNOW WILL PERSIST THROUGH 
  WEDNESDAY MORNING. 

* SNOW ACCUMULATIONS: 3 TO 7 INCHES FOR THE LOWER ELEVATIONS AND 
  10 TO 15 FOR THE MOUNTAINS AND MOUNTAIN PASSES. 

* WINDS: WEST-SOUTHWEST 15 TO 25 MPH, GUSTING TO AROUND 40 MPH.

* LOCATIONS IMPACTED INCLUDE: EVARO HILL, HIGHWAY 200 THOMPSON 
  FALLS TO PLAINS, HIGHWAY 200 TROUT CREEK TO HERON, AND I- 90 
  LOOKOUT PASS TO HAUGAN

$$

MTZ002-280145-
/O.CON.KMSO.WS.W.0013.161227T1200Z-161228T1200Z/
632 PM MST MON DEC 26 2016

...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 AM TUESDAY TO
5 AM MST WEDNESDAY...

* IMPACTS/TIMING: A STRONG SYSTEM WILL BRING SNOW AND WIND 
  BEGINNING LATE TONIGHT. MODERATE TO HEAVY SNOW AND BLOWING 
  SNOW MAY CREATE WHITE OUT CONDITIONS AT TIMES AND CAUSE SLICK 
  TRAVEL, ESPECIALLY FOR HIGHWAY 2 OVER MARIAS PASS. PERIODS OF 
  SNOW AND BLOWING SNOW WILL PERSIST THROUGH WEDNESDAY MORNING. 

* SNOW ACCUMULATIONS: 2 TO 4 INCHES FOR THE VALLEYS. 6 TO 10 
  INCHES FOR THE MOUNTAINS INCLUDING MARIAS PASS. LOCALLY HIGHER 
  AMOUNTS POSSIBLE. 

* WINDS: WEST-SOUTHWEST 15 TO 25 MPH WITH GUSTS OVER 40 MPH.

* LOCATIONS IMPACTED INCLUDE: BAD ROCK CANYON, ESSEX, HIGHWAY 83 
  BIGFORK TO SWAN LAKE, MARIAS PASS, AND POLEBRIDGE

$$

MTZ003-271900-
/O.EXB.KMSO.WW.Y.0069.161227T0600Z-161227T1900Z/
632 PM MST MON DEC 26 2016

...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO
NOON MST TUESDAY...

* IMPACTS/TIMING: LIGHT TO MODERATE SNOW WILL DEVELOP LATE TONIGHT
  AND CONTINUE THROUGH THE TUESDAY MORNING COMMUTE. SLICK,
  SNOW COVERED ROADS SHOULD BE EXPECTED.

* SNOW ACCUMULATIONS: 1 TO 3 INCHES.

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

$$

MTZ043-280145-
/O.EXA.KMSO.WW.Y.0069.161227T1200Z-161228T1200Z/
632 PM MST MON DEC 26 2016

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM TUESDAY TO 5 AM
MST WEDNESDAY...

* IMPACTS/TIMING: A STRONG SYSTEM WILL BRING SNOW BEGINNING EARLY
  TUESDAY MORNING. MODERATE TO HEAVY SNOW IS LIKELY AND WILL CAUSE
  SLICK TRAVEL. THERE IS THE POTENTIAL FOR LOCALIZED BLOWING SNOW
  ALONG THE HIGHWAY 200 CORRIDOR, WHICH COULD CAUSE LOWERED 
  VISIBILITY AT TIMES, ESPECIALLY TUESDAY AFTERNOON. PERIODS OF 
  SNOW AND BLOWING SNOW WILL PERSIST THROUGH WEDNESDAY MORNING. 

* SNOW ACCUMULATIONS: 4 TO 7 INCHES

* WINDS: WEST-SOUTHWEST 10 TO 20 MPH, GUSTING TO 30 MPH ALONG THE
  HIGHWAY 200 CORRIDOR.

* LOCATIONS IMPACTED INCLUDE: HIGHWAY 200 BONNER TO GREENOUGH, 
  HIGHWAY 83 SEELEY LAKE TO CONDON, AND I-90 EAST MISSOULA TO 
  BEARMOUTH

$$

IDZ005-006-MTZ006-280145-
/O.EXT.KMSO.WW.Y.0069.161227T0600Z-161228T1200Z/
632 PM MST MON DEC 26 2016 /532 PM PST MON DEC 26 2016/

...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 11 PM MST /10 PM
PST/ THIS EVENING TO 5 AM MST /4 AM PST/ WEDNESDAY...

* IMPACTS/TIMING: A STRONG SYSTEM WILL BRING SNOW BEGINNING LATE 
  TONIGHT. MODERATE TO HEAVY SNOW IS LIKELY AND WILL CAUSE SLICK 
  TRAVEL, PARTICULARLY FOR LOLO AND LOST TRAIL PASSES. THERE IS 
  THE POTENTIAL FOR LOCALIZED BLOWING SNOW WHICH COULD LOWER 
  VISIBILITY TO LESS THAN 1/4 MILE AT TIMES. PERIODS OF SNOW AND 
  BLOWING SNOW WILL PERSIST THROUGH WEDNESDAY MORNING. 

* SNOW ACCUMULATIONS: 5 TO 10 INCHES FOR THE LOWER ELEVATIONS 
  AND 8 TO 14 INCHES FOR THE MOUNTAINS AND MOUNTAIN PASSES.

* WINDS: WEST-SOUTHWEST 10 TO 20 MPH, GUSTING TO 30 MPH.

* LOCATIONS IMPACTED INCLUDE: ELK RIVER, HIGHWAY 11 PIERCE TO 
  HEADQUARTERS, PIERCE, DIXIE, ELK CITY, HIGHWAY 12 LOWELL TO 
  LOLO PASS, HIGHWAY 93 SULA TO LOST TRAIL PASS, AND LOLO PASS

$$

MTZ001-280145-
/O.EXT.KMSO.WW.Y.0069.161227T0600Z-161228T1200Z/
632 PM MST MON DEC 26 2016

...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 11 PM THIS EVENING
TO 5 AM MST WEDNESDAY...

* IMPACTS/TIMING: BEGINNING LATE TONIGHT, A STRONG SYSTEM WILL
  CAUSE SNOW AND LOCALIZED BLOWING SNOW WHICH MAY REDUCE VISIBILITY
  AT TIMES AND CAUSE SLICK TRAVEL. PERIODS OF SNOW WILL PERSIST 
  THROUGH WEDNESDAY MORNING. 

* SNOW ACCUMULATIONS: 3 TO 7 INCHES.

* LOCATIONS IMPACTED INCLUDE: HIGHWAY 2 KALISPELL TO LIBBY, 
  HIGHWAY 37 EUREKA TO LIBBY, HIGHWAY 56 BULL LAKE ROAD, AND 
  HIGHWAY 93 EUREKA TO WHITEFISH

$$

IDZ009-010-280145-
/O.CON.KMSO.WW.Y.0069.161227T1200Z-161228T1800Z/
632 PM MST MON DEC 26 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM TUESDAY TO
11 AM MST WEDNESDAY...

* IMPACTS/TIMING: A STRONG SYSTEM WILL BRING SNOW AND WIND 
  BEGINNING TUESDAY MORNING. SNOW AND BLOWING SNOW MAY REDUCE 
  VISIBILITY AT TIMES AND CAUSE SLICK TRAVEL. PERIODS OF SNOW 
  AND BLOWING SNOW WILL PERSIST THROUGH WEDNESDAY MORNING, 
  ESPECIALLY OVER GILMORE SUMMIT AND LOST TRAIL PASS. 

* SNOW ACCUMULATIONS: 8 TO 14 INCHES OVER LOST TRAIL PASS AND 
  GILMORE SUMMIT. 2 TO 3 INCHES FOR THE VALLEYS. 

* LOCATIONS IMPACTED INCLUDE: SHOUP, BANNOCK PASS, HIGHWAY 28 
  TENDOY TO LONE PINE, HIGHWAY 93 LOST TRAIL PASS TO 
  GIBBONSVILLE, LEMHI PASS, AND SALMON

$$

IDZ007-280145-
/O.CON.KMSO.WW.Y.0069.161227T0600Z-161228T0600Z/
532 PM PST MON DEC 26 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS
EVENING TO 10 PM PST TUESDAY...

* IMPACTS/TIMING: A STRONG SYSTEM WILL BRING WIND AND BLOWING SNOW
  BEGINNING TONIGHT THROUGH TUESDAY MORNING. THEN A COMBINATION OF
  WIND, SNOW AND BLOWING SNOW WILL OCCUR TUESDAY AFTERNOON AND
  EVENING, WHICH MAY REDUCE VISIBILITY AT TIMES AND CAUSE SLICK TRAVEL.
  THESE CONDITIONS WILL PERSIST THROUGH WEDNESDAY MORNING.

* SNOW ACCUMULATIONS: 2 TO 4 INCHES.

* WINDS: WIND GUSTS OF 50 MPH POSSIBLE EARLY TUESDAY MORNING OVER
  THE CAMAS PRAIRIE AREA.

* LOCATIONS IMPACTED INCLUDE: CAMAS PRAIRIE, GRANGEVILLE AND 
  VICINITY, AND GREER GRADE

$$

IDZ008-280145-
/O.CON.KMSO.WW.Y.0069.161227T0600Z-161228T0600Z/
532 PM PST MON DEC 26 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS
EVENING TO 10 PM PST TUESDAY FOR HIGHWAY 95 SLATE CREEK TO
RIGGINS AND WHITE BIRD GRADE...

* IMPACTS/TIMING: A STRONG SYSTEM WILL BRING SNOW AND STRONG 
  WINDS BEGINNING TUESDAY MORNING. SNOW AND BLOWING SNOW MAY 
  REDUCE VISIBILITY AT TIMES AND CAUSE SLICK TRAVEL.

* SNOW ACCUMULATIONS: 4 TO 7 INCHES OVER WHITEBIRD GRADE AND 2 
  TO 4 INCHES ALONG HIGHWAY 95 SLATE CREEK TO RIGGINS. 

$$
576 
WWUS45 KMSO 271031
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
331 AM MST TUE DEC 27 2016

MTZ004-281045-
/O.CON.KMSO.WS.W.0013.161227T1200Z-161228T1200Z/
331 AM MST TUE DEC 27 2016

...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 AM EARLY THIS
MORNING TO 5 AM MST WEDNESDAY...

* IMPACTS/TIMING: SNOW AND WINDY CONDITIONS WILL INCREASE TODAY. 
  MODERATE TO HEAVY SNOW AND BLOWING SNOW MAY CREATE WHITE OUT 
  CONDITIONS AT TIMES AND CAUSE SLICK TRAVEL, PARTICULARLY ON 
  INTERSTATE 90 OVER LOOKOUT PASS. PERIODS OF SNOW AND BLOWING 
  SNOW WILL PERSIST THROUGH WEDNESDAY MORNING. 

* SNOW ACCUMULATIONS: 3 TO 7 INCHES FOR THE LOWER ELEVATIONS AND 
  10 TO 15 FOR THE MOUNTAINS AND MOUNTAIN PASSES. 

* WINDS: WEST-SOUTHWEST 15 TO 25 MPH, GUSTING TO AROUND 40 MPH.

* LOCATIONS IMPACTED INCLUDE: EVARO HILL, HIGHWAY 200 THOMPSON 
  FALLS TO PLAINS, HIGHWAY 200 TROUT CREEK TO HERON, AND I- 90 
  LOOKOUT PASS TO HAUGAN

$$

MTZ002-281045-
/O.CON.KMSO.WS.W.0013.161227T1200Z-161228T1200Z/
331 AM MST TUE DEC 27 2016

...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 AM EARLY THIS
MORNING TO 5 AM MST WEDNESDAY...

* IMPACTS/TIMING: SNOW AND WINDY CONDITIONS WILL INCREASE TODAY. 
  MODERATE TO HEAVY SNOW AND BLOWING SNOW MAY CREATE WHITE OUT 
  CONDITIONS AT TIMES AND CAUSE SLICK TRAVEL, ESPECIALLY FOR 
  HIGHWAY 2 OVER MARIAS PASS. PERIODS OF SNOW AND BLOWING SNOW 
  WILL PERSIST THROUGH WEDNESDAY MORNING. 

* SNOW ACCUMULATIONS: 2 TO 4 INCHES FOR THE VALLEYS. 6 TO 10 
  INCHES FOR THE MOUNTAINS INCLUDING MARIAS PASS. LOCALLY HIGHER 
  AMOUNTS POSSIBLE. 

* WINDS: WEST-SOUTHWEST 15 TO 25 MPH WITH GUSTS OVER 40 MPH.

* LOCATIONS IMPACTED INCLUDE: BAD ROCK CANYON, ESSEX, HIGHWAY 83 
  BIGFORK TO SWAN LAKE, MARIAS PASS, AND POLEBRIDGE

$$

MTZ007-281045-
/O.EXA.KMSO.WW.Y.0069.161227T1200Z-161228T1200Z/
331 AM MST TUE DEC 27 2016

...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM EARLY THIS MORNING
TO 5 AM MST WEDNESDAY...

* IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL CREATE LOW VISIBILITY
  AT TIMES TODAY. DRIFTING SNOW AND ABRUPT CROSSWINDS CAN CAUSE
  HAZARDOUS TRAVEL, ESPECIALLY FOR HIGHWAY 12 OVER MACDONALD PASS
  AND ALONG I-90. INTENSE SNOW BANDS ARE POSSIBLE THIS AFTERNOON 
  AND EVENING. PERIODS OF SNOW AND BLOWING SNOW WILL PERSIST 
  THROUGH WEDNESDAY MORNING.

* SNOW ACCUMULATIONS: 1 TO 4 INCHES WITH LOCALLY HIGHER AMOUNTS
  OVER HIGH ELEVATION VALLEYS OF SOUTHWEST MONTANA.

* WINDS: WEST-SOUTHWEST 15 TO 25 MPH, GUSTING TO 40 MPH ALONG THE
  DIVIDE AND I-90 ANACONDA/DEER LODGE.


* LOCATIONS IMPACTED INCLUDE: BUTTE, GEORGETOWN LAKE, HIGHWAY 12 
  GARRISON TO ELLISTON, HOMESTAKE PASS, AND MACDONALD PASS

$$

IDZ009-010-281045-
/O.CON.KMSO.WW.Y.0069.161227T1200Z-161228T1800Z/
331 AM MST TUE DEC 27 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM EARLY THIS
MORNING TO 11 AM MST WEDNESDAY...

* IMPACTS/TIMING: A STRONG SYSTEM WILL BRING SNOW AND WIND TODAY.
  SNOW AND BLOWING SNOW MAY REDUCE VISIBILITY AT TIMES AND CAUSE 
  SLICK TRAVEL. PERIODS OF SNOW AND BLOWING SNOW WILL PERSIST 
  THROUGH WEDNESDAY MORNING, ESPECIALLY OVER GILMORE SUMMIT AND 
  LOST TRAIL PASS. 

* SNOW ACCUMULATIONS: 8 TO 14 INCHES OVER LOST TRAIL PASS AND 
  GILMORE SUMMIT. 2 TO 3 INCHES FOR THE VALLEYS. 

* LOCATIONS IMPACTED INCLUDE: SHOUP, BANNOCK PASS, HIGHWAY 28 
  TENDOY TO LONE PINE, HIGHWAY 93 LOST TRAIL PASS TO 
  GIBBONSVILLE, LEMHI PASS, AND SALMON

$$

IDZ007-280600-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T0600Z/
231 AM PST TUE DEC 27 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING...

* IMPACTS/TIMING: A STRONG SYSTEM WILL CONTINUE TO BRING WIND AND
  BLOWING SNOW THIS MORNING. THEN A COMBINATION OF WIND, SNOW AND
  BLOWING SNOW WILL OCCUR THIS AFTERNOON AND EVENING, WHICH MAY 
  REDUCE VISIBILITY AT TIMES AND CAUSE SLICK TRAVEL. THESE 
  CONDITIONS WILL PERSIST THROUGH WEDNESDAY MORNING.


* SNOW ACCUMULATIONS: 2 TO 4 INCHES.

* WINDS: WIND GUSTS OF 50 MPH POSSIBLE EARLY TUESDAY MORNING 
  OVER THE CAMAS PRAIRIE AREA. 

* LOCATIONS IMPACTED INCLUDE: CAMAS PRAIRIE, GRANGEVILLE AND 
  VICINITY, AND GREER GRADE

$$

IDZ008-280600-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T0600Z/
231 AM PST TUE DEC 27 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING FOR HIGHWAY 95 SLATE CREEK TO RIGGINS AND WHITE BIRD
GRADE...

* IMPACTS/TIMING: A STRONG SYSTEM WILL CONTINUE TO BRING SNOW AND
  STRONG WINDS TODAY. SNOW AND BLOWING SNOW MAY REDUCE VISIBILITY
  AT TIMES AND CAUSE SLICK TRAVEL. 

* SNOW ACCUMULATIONS: 4 TO 7 INCHES OVER WHITEBIRD GRADE AND 2 
  TO 4 INCHES ALONG HIGHWAY 95 SLATE CREEK TO RIGGINS. 

$$

IDZ005-006-MTZ006-281045-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T1200Z/
331 AM MST TUE DEC 27 2016 /231 AM PST TUE DEC 27 2016/

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST /4 AM
PST/ WEDNESDAY...

* IMPACTS/TIMING: A STRONG SYSTEM WILL BRING SNOW AND BREEZY WIND
  TODAY. MODERATE TO HEAVY SNOW IS LIKELY AND WILL CAUSE SLICK 
  TRAVEL, PARTICULARLY FOR LOLO AND LOST TRAIL PASSES. THERE IS 
  THE POTENTIAL FOR LOCALIZED BLOWING SNOW WHICH COULD LOWER 
  VISIBILITY TO LESS THAN 1/4 MILE AT TIMES. PERIODS OF SNOW AND 
  BLOWING SNOW WILL PERSIST THROUGH WEDNESDAY MORNING. 

* SNOW ACCUMULATIONS: 5 TO 10 INCHES FOR THE LOWER ELEVATIONS 
  AND 8 TO 14 INCHES FOR THE MOUNTAINS AND MOUNTAIN PASSES. 

* WINDS: WEST-SOUTHWEST 10 TO 20 MPH, GUSTING TO 30 MPH.

* LOCATIONS IMPACTED INCLUDE: ELK RIVER, HIGHWAY 11 PIERCE TO 
  HEADQUARTERS, PIERCE, DIXIE, ELK CITY, HIGHWAY 12 LOWELL TO 
  LOLO PASS, HIGHWAY 93 SULA TO LOST TRAIL PASS, AND LOLO PASS

$$

MTZ003-271900-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161227T1900Z/
331 AM MST TUE DEC 27 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST
TODAY...

* IMPACTS/TIMING: PERIODS OF LIGHT TO MODERATE SNOW WILL CONTINUE
  THROUGH THE MORNING COMMUTE. SLICK, SNOW COVERED ROADS SHOULD 
  BE EXPECTED. 

* SNOW ACCUMULATIONS: 1 TO 3 INCHES.

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

$$

MTZ001-281045-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T1200Z/
331 AM MST TUE DEC 27 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY...

* IMPACTS/TIMING: A STRONG SYSTEM WILL CONTINUE TO BRING SNOW AND
  LOCALIZED BLOWING SNOW TODAY WHICH MAY REDUCE VISIBILITY AT TIMES
  AND CAUSE SLICK TRAVEL. PERIODS OF SNOW WILL PERSIST THROUGH 
  WEDNESDAY MORNING. 

* SNOW ACCUMULATIONS: 3 TO 7 INCHES.

* LOCATIONS IMPACTED INCLUDE: HIGHWAY 2 KALISPELL TO LIBBY, 
  HIGHWAY 37 EUREKA TO LIBBY, HIGHWAY 56 BULL LAKE ROAD, AND 
  HIGHWAY 93 EUREKA TO WHITEFISH

$$

MTZ043-281045-
/O.CON.KMSO.WW.Y.0069.161227T1200Z-161228T1200Z/
331 AM MST TUE DEC 27 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM EARLY THIS
MORNING TO 5 AM MST WEDNESDAY...

* IMPACTS/TIMING: A STRONG SYSTEM WILL BRING SNOW AND BREEZY WIND
  TODAY. MODERATE TO HEAVY SNOW IS LIKELY AND WILL CAUSE SLICK
  TRAVEL. THERE IS THE POTENTIAL FOR LOCALIZED BLOWING SNOW ALONG
  THE HIGHWAY 200 CORRIDOR, WHICH COULD CAUSE LOWERED VISIBILITY
  AT TIMES, ESPECIALLY THIS AFTERNOON. PERIODS OF SNOW AND 
  BLOWING SNOW WILL PERSIST THROUGH WEDNESDAY MORNING. 

* SNOW ACCUMULATIONS: 4 TO 7 INCHES

* WINDS: WEST-SOUTHWEST 10 TO 20 MPH, GUSTING TO 30 MPH ALONG 
  THE HIGHWAY 200 CORRIDOR. 

* LOCATIONS IMPACTED INCLUDE: HIGHWAY 200 BONNER TO GREENOUGH, 
  HIGHWAY 83 SEELEY LAKE TO CONDON, AND I-90 EAST MISSOULA TO 
  BEARMOUTH

$$
889 
WWUS45 KMSO 271341
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
641 AM MST TUE DEC 27 2016

IDZ007-280600-
/O.UPG.KMSO.WW.Y.0069.000000T0000Z-161228T0600Z/
/O.EXB.KMSO.WS.W.0013.000000T0000Z-161228T0600Z/
541 AM PST TUE DEC 27 2016

...WINTER STORM WARNING IN EFFECT UNTIL 10 PM PST THIS EVENING...

THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. 

* IMPACTS/TIMING: A STRONG SYSTEM WILL CONTINUE TO BRING WIND,
  SNOW AND AND BLOWING SNOW THIS MORNING. VISIBILITY WILL BE
  REDUCED BELOW 1/4 MILE AT TIMES DUE TO BLOWING AND DRIFTING
  SNOW. ROADS MAY QUICKLY BECOME IMPASSABLE. BLOWING SNOW AND WIND
  WILL DECLINE THIS AFTERNOON, THOUGH SNOW WILL LIKELY CONTINUE.

* SNOW ACCUMULATIONS: 2 TO 6 INCHES. LOCALLY HIGHER AMOUNTS DUE 
  TO BLOWING AND DRIFTING.

* WINDS: WIND GUSTS OVER 50 MPH POSSIBLE THROUGH TUESDAY MORNING OVER
  THE CAMAS PRAIRIE AREA. 

* LOCATIONS IMPACTED INCLUDE: CAMAS PRAIRIE, GRANGEVILLE AND 
  VICINITY, AND GREER GRADE

$$

MTZ004-281200-
/O.CON.KMSO.WS.W.0013.000000T0000Z-161228T1200Z/
641 AM MST TUE DEC 27 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY...

* IMPACTS/TIMING: SNOW AND WINDY CONDITIONS WILL INCREASE TODAY. 
  MODERATE TO HEAVY SNOW AND BLOWING SNOW MAY CREATE WHITE OUT 
  CONDITIONS AT TIMES AND CAUSE SLICK TRAVEL, PARTICULARLY ON 
  INTERSTATE 90 OVER LOOKOUT PASS. PERIODS OF SNOW AND BLOWING 
  SNOW WILL PERSIST THROUGH WEDNESDAY MORNING. 

* SNOW ACCUMULATIONS: 3 TO 7 INCHES FOR THE LOWER ELEVATIONS AND 
  10 TO 15 FOR THE MOUNTAINS AND MOUNTAIN PASSES. 

* WINDS: WEST-SOUTHWEST 15 TO 25 MPH, GUSTING TO AROUND 40 MPH.

* LOCATIONS IMPACTED INCLUDE: EVARO HILL, HIGHWAY 200 THOMPSON 
  FALLS TO PLAINS, HIGHWAY 200 TROUT CREEK TO HERON, AND I- 90 
  LOOKOUT PASS TO HAUGAN

$$

MTZ002-281200-
/O.CON.KMSO.WS.W.0013.000000T0000Z-161228T1200Z/
641 AM MST TUE DEC 27 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY...

* IMPACTS/TIMING: SNOW AND WINDY CONDITIONS WILL INCREASE TODAY. 
  MODERATE TO HEAVY SNOW AND BLOWING SNOW MAY CREATE WHITE OUT 
  CONDITIONS AT TIMES AND CAUSE SLICK TRAVEL, ESPECIALLY FOR 
  HIGHWAY 2 OVER MARIAS PASS. PERIODS OF SNOW AND BLOWING SNOW 
  WILL PERSIST THROUGH WEDNESDAY MORNING. 

* SNOW ACCUMULATIONS: 2 TO 4 INCHES FOR THE VALLEYS. 6 TO 10 
  INCHES FOR THE MOUNTAINS INCLUDING MARIAS PASS. LOCALLY HIGHER 
  AMOUNTS POSSIBLE. 

* WINDS: WEST-SOUTHWEST 15 TO 25 MPH WITH GUSTS OVER 40 MPH.

* LOCATIONS IMPACTED INCLUDE: BAD ROCK CANYON, ESSEX, HIGHWAY 83 
  BIGFORK TO SWAN LAKE, MARIAS PASS, AND POLEBRIDGE

$$

IDZ009-010-281345-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T1800Z/
641 AM MST TUE DEC 27 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST
WEDNESDAY...

* IMPACTS/TIMING: A STRONG SYSTEM WILL BRING SNOW AND WIND 
  TODAY. SNOW AND BLOWING SNOW MAY REDUCE VISIBILITY AT TIMES 
  AND CAUSE SLICK TRAVEL. PERIODS OF SNOW AND BLOWING SNOW WILL 
  PERSIST THROUGH WEDNESDAY MORNING, ESPECIALLY OVER GILMORE 
  SUMMIT AND LOST TRAIL PASS. 

* SNOW ACCUMULATIONS: 8 TO 14 INCHES OVER LOST TRAIL PASS AND 
  GILMORE SUMMIT. 2 TO 3 INCHES FOR THE VALLEYS. 

* LOCATIONS IMPACTED INCLUDE: SHOUP, BANNOCK PASS, HIGHWAY 28 
  TENDOY TO LONE PINE, HIGHWAY 93 LOST TRAIL PASS TO 
  GIBBONSVILLE, LEMHI PASS, AND SALMON

$$

IDZ008-280600-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T0600Z/
541 AM PST TUE DEC 27 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING FOR HIGHWAY 95 SLATE CREEK TO RIGGINS AND WHITE BIRD
GRADE...

* IMPACTS/TIMING: A STRONG SYSTEM WILL CONTINUE TO BRING SNOW 
  AND STRONG WINDS TODAY. SNOW AND BLOWING SNOW MAY REDUCE 
  VISIBILITY AT TIMES AND CAUSE SLICK TRAVEL. 

* SNOW ACCUMULATIONS: 4 TO 7 INCHES OVER WHITEBIRD GRADE AND 2 
  TO 4 INCHES ALONG HIGHWAY 95 SLATE CREEK TO RIGGINS. 

$$

IDZ005-006-MTZ006-281200-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T1200Z/
641 AM MST TUE DEC 27 2016 /541 AM PST TUE DEC 27 2016/

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST /4 AM
PST/ WEDNESDAY...

* IMPACTS/TIMING: A STRONG SYSTEM WILL BRING SNOW AND BREEZY 
  WIND TODAY. MODERATE TO HEAVY SNOW IS LIKELY AND WILL CAUSE 
  SLICK TRAVEL, PARTICULARLY FOR LOLO AND LOST TRAIL PASSES. 
  THERE IS THE POTENTIAL FOR LOCALIZED BLOWING SNOW WHICH COULD 
  LOWER VISIBILITY TO LESS THAN 1/4 MILE AT TIMES. PERIODS OF 
  SNOW AND BLOWING SNOW WILL PERSIST THROUGH WEDNESDAY MORNING. 

* SNOW ACCUMULATIONS: 5 TO 10 INCHES FOR THE LOWER ELEVATIONS 
  AND 8 TO 14 INCHES FOR THE MOUNTAINS AND MOUNTAIN PASSES. 

* WINDS: WEST-SOUTHWEST 10 TO 20 MPH, GUSTING TO 30 MPH.

* LOCATIONS IMPACTED INCLUDE: ELK RIVER, HIGHWAY 11 PIERCE TO 
  HEADQUARTERS, PIERCE, DIXIE, ELK CITY, HIGHWAY 12 LOWELL TO 
  LOLO PASS, HIGHWAY 93 SULA TO LOST TRAIL PASS, AND LOLO PASS

$$

MTZ003-271900-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161227T1900Z/
641 AM MST TUE DEC 27 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST
TODAY...

* IMPACTS/TIMING: PERIODS OF LIGHT TO MODERATE SNOW WILL 
  CONTINUE THROUGH THE MORNING COMMUTE. SLICK, SNOW COVERED 
  ROADS SHOULD BE EXPECTED. 

* SNOW ACCUMULATIONS: 1 TO 3 INCHES.

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

$$

MTZ001-281200-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T1200Z/
641 AM MST TUE DEC 27 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY...

* IMPACTS/TIMING: A STRONG SYSTEM WILL CONTINUE TO BRING SNOW 
  AND LOCALIZED BLOWING SNOW TODAY WHICH MAY REDUCE VISIBILITY 
  AT TIMES AND CAUSE SLICK TRAVEL. PERIODS OF SNOW WILL PERSIST 
  THROUGH WEDNESDAY MORNING. 

* SNOW ACCUMULATIONS: 3 TO 7 INCHES.

* LOCATIONS IMPACTED INCLUDE: HIGHWAY 2 KALISPELL TO LIBBY, 
  HIGHWAY 37 EUREKA TO LIBBY, HIGHWAY 56 BULL LAKE ROAD, AND 
  HIGHWAY 93 EUREKA TO WHITEFISH

$$

MTZ007-281200-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T1200Z/
641 AM MST TUE DEC 27 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY...

* IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL CREATE LOW 
  VISIBILITY AT TIMES TODAY. DRIFTING SNOW AND ABRUPT CROSSWINDS 
  CAN CAUSE HAZARDOUS TRAVEL, ESPECIALLY FOR HIGHWAY 12 OVER 
  MACDONALD PASS AND ALONG I-90. INTENSE SNOW BANDS ARE POSSIBLE 
  THIS AFTERNOON AND EVENING. PERIODS OF SNOW AND BLOWING SNOW 
  WILL PERSIST THROUGH WEDNESDAY MORNING. 

* SNOW ACCUMULATIONS: 1 TO 4 INCHES WITH LOCALLY HIGHER AMOUNTS 
  OVER HIGH ELEVATION VALLEYS OF SOUTHWEST MONTANA. 

* WINDS: WEST-SOUTHWEST 15 TO 25 MPH, GUSTING TO 40 MPH ALONG 
  THE DIVIDE AND I-90 ANACONDA/DEER LODGE. 

* LOCATIONS IMPACTED INCLUDE: BUTTE, GEORGETOWN LAKE, HIGHWAY 12 
  GARRISON TO ELLISTON, HOMESTAKE PASS, AND MACDONALD PASS

$$

MTZ043-281200-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T1200Z/
641 AM MST TUE DEC 27 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY...

* IMPACTS/TIMING: A STRONG SYSTEM WILL BRING SNOW AND BREEZY 
  WIND TODAY. MODERATE TO HEAVY SNOW IS LIKELY AND WILL CAUSE 
  SLICK TRAVEL. THERE IS THE POTENTIAL FOR LOCALIZED BLOWING 
  SNOW ALONG THE HIGHWAY 200 CORRIDOR, WHICH COULD CAUSE LOWERED 
  VISIBILITY AT TIMES, ESPECIALLY THIS AFTERNOON. PERIODS OF 
  SNOW AND BLOWING SNOW WILL PERSIST THROUGH WEDNESDAY MORNING. 

* SNOW ACCUMULATIONS: 4 TO 7 INCHES

* WINDS: WEST-SOUTHWEST 10 TO 20 MPH, GUSTING TO 30 MPH ALONG 
  THE HIGHWAY 200 CORRIDOR. 

* LOCATIONS IMPACTED INCLUDE: HIGHWAY 200 BONNER TO GREENOUGH, 
  HIGHWAY 83 SEELEY LAKE TO CONDON, AND I-90 EAST MISSOULA TO 
  BEARMOUTH

$$
442 
WWUS45 KMSO 271411
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
711 AM MST TUE DEC 27 2016

MTZ004-281200-
/O.CON.KMSO.WS.W.0013.000000T0000Z-161228T1200Z/
711 AM MST TUE DEC 27 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY...

* IMPACTS/TIMING: SNOW AND WINDY CONDITIONS WILL INCREASE TODAY. 
  MODERATE TO HEAVY SNOW AND BLOWING SNOW MAY CREATE WHITE OUT 
  CONDITIONS AT TIMES AND CAUSE SLICK TRAVEL, PARTICULARLY ON 
  INTERSTATE 90 OVER LOOKOUT PASS. PERIODS OF SNOW AND BLOWING 
  SNOW WILL PERSIST THROUGH WEDNESDAY MORNING. 

* SNOW ACCUMULATIONS: 3 TO 7 INCHES FOR THE LOWER ELEVATIONS AND 
  10 TO 15 FOR THE MOUNTAINS AND MOUNTAIN PASSES. 

* WINDS: WEST-SOUTHWEST 15 TO 25 MPH, GUSTING TO AROUND 40 MPH.

* LOCATIONS IMPACTED INCLUDE: EVARO HILL, HIGHWAY 200 THOMPSON 
  FALLS TO PLAINS, HIGHWAY 200 TROUT CREEK TO HERON, AND I- 90 
  LOOKOUT PASS TO HAUGAN

$$

MTZ002-281200-
/O.CON.KMSO.WS.W.0013.000000T0000Z-161228T1200Z/
711 AM MST TUE DEC 27 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY...

* IMPACTS/TIMING: SNOW AND WINDY CONDITIONS WILL INCREASE TODAY. 
  MODERATE TO HEAVY SNOW AND BLOWING SNOW MAY CREATE WHITE OUT 
  CONDITIONS AT TIMES AND CAUSE SLICK TRAVEL, ESPECIALLY FOR 
  HIGHWAY 2 OVER MARIAS PASS. PERIODS OF SNOW AND BLOWING SNOW 
  WILL PERSIST THROUGH WEDNESDAY MORNING. 

* SNOW ACCUMULATIONS: 2 TO 4 INCHES FOR THE VALLEYS. 6 TO 10 
  INCHES FOR THE MOUNTAINS INCLUDING MARIAS PASS. LOCALLY HIGHER 
  AMOUNTS POSSIBLE. 

* WINDS: WEST-SOUTHWEST 15 TO 25 MPH WITH GUSTS OVER 40 MPH.

* LOCATIONS IMPACTED INCLUDE: BAD ROCK CANYON, ESSEX, HIGHWAY 83 
  BIGFORK TO SWAN LAKE, MARIAS PASS, AND POLEBRIDGE

$$

IDZ007-280600-
/O.CON.KMSO.WS.W.0013.000000T0000Z-161228T0600Z/
611 AM PST TUE DEC 27 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING...

* IMPACTS/TIMING: A STRONG SYSTEM WILL CONTINUE TO BRING WIND, 
  SNOW AND AND BLOWING SNOW THIS MORNING. VISIBILITY WILL BE 
  REDUCED BELOW 1/4 MILE AT TIMES DUE TO BLOWING AND DRIFTING 
  SNOW. ROADS MAY QUICKLY BECOME IMPASSABLE. BLOWING SNOW AND 
  WIND WILL DECLINE THIS AFTERNOON, THOUGH SNOW WILL LIKELY 
  CONTINUE. 

* SNOW ACCUMULATIONS: 2 TO 6 INCHES. LOCALLY HIGHER AMOUNTS DUE 
  TO BLOWING AND DRIFTING. 

* WINDS: WIND GUSTS OVER 50 MPH POSSIBLE THROUGH TUESDAY MORNING 
  OVER THE CAMAS PRAIRIE AREA. 

* LOCATIONS IMPACTED INCLUDE: CAMAS PRAIRIE, GRANGEVILLE AND 
  VICINITY, AND GREER GRADE

$$

MTZ005-281200-
/O.EXA.KMSO.WW.Y.0069.000000T0000Z-161228T1200Z/
711 AM MST TUE DEC 27 2016

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST WEDNESDAY FOR
BITTERROOT VALLEY AND MISSOULA...

* IMPACTS/TIMING: GUSTY WINDS WILL CAUSE BLOWING AND DRIFTING SNOW
  THIS MORNING, PARTICULARLY ACROSS THE BITTERROOT VALLEY. THIS
  WILL LEAD TO CHANGEABLE ROAD CONDITIONS FROM DRY TO SNOW COVERED
  OVER SHORT DISTANCES AND WILL ALSO CAUSE LOW VISIBILITY AT
  TIMES. IN ADDITION, SNOW BANDS ARE EXPECTED TO DEVELOP BY THIS
  AFTERNOON, WHICH WILL CAUSED LOCALIZED AREAS OF MODERATE SNOW
  AND BREEZY WINDS, POTENTIALLY AFFECTING THE EVENING COMMUTE.

* SNOW ACCUMULATIONS: 1 TO 4 INCHES WITH SNOW BANDS THIS AFTERNOON
  AND EVENING.

* WINDS: WEST-SOUTHWEST 15 TO 25 MPH, GUSTING TO 35 MPH. 

$$

IDZ009-010-281415-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T1800Z/
711 AM MST TUE DEC 27 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST
WEDNESDAY...

* IMPACTS/TIMING: A STRONG SYSTEM WILL BRING SNOW AND WIND 
  TODAY. SNOW AND BLOWING SNOW MAY REDUCE VISIBILITY AT TIMES 
  AND CAUSE SLICK TRAVEL. PERIODS OF SNOW AND BLOWING SNOW WILL 
  PERSIST THROUGH WEDNESDAY MORNING, ESPECIALLY OVER GILMORE 
  SUMMIT AND LOST TRAIL PASS. 

* SNOW ACCUMULATIONS: 8 TO 14 INCHES OVER LOST TRAIL PASS AND 
  GILMORE SUMMIT. 2 TO 3 INCHES FOR THE VALLEYS. 

* LOCATIONS IMPACTED INCLUDE: SHOUP, BANNOCK PASS, HIGHWAY 28 
  TENDOY TO LONE PINE, HIGHWAY 93 LOST TRAIL PASS TO 
  GIBBONSVILLE, LEMHI PASS, AND SALMON

$$

IDZ008-280600-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T0600Z/
611 AM PST TUE DEC 27 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING FOR HIGHWAY 95 SLATE CREEK TO RIGGINS AND WHITE BIRD
GRADE...

* IMPACTS/TIMING: A STRONG SYSTEM WILL CONTINUE TO BRING SNOW 
  AND STRONG WINDS TODAY. SNOW AND BLOWING SNOW MAY REDUCE 
  VISIBILITY AT TIMES AND CAUSE SLICK TRAVEL. 

* SNOW ACCUMULATIONS: 4 TO 7 INCHES OVER WHITEBIRD GRADE AND 2 
  TO 4 INCHES ALONG HIGHWAY 95 SLATE CREEK TO RIGGINS. 

$$

IDZ005-006-MTZ006-281200-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T1200Z/
711 AM MST TUE DEC 27 2016 /611 AM PST TUE DEC 27 2016/

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST /4 AM
PST/ WEDNESDAY...

* IMPACTS/TIMING: A STRONG SYSTEM WILL BRING SNOW AND BREEZY 
  WIND TODAY. MODERATE TO HEAVY SNOW IS LIKELY AND WILL CAUSE 
  SLICK TRAVEL, PARTICULARLY FOR LOLO AND LOST TRAIL PASSES. 
  THERE IS THE POTENTIAL FOR LOCALIZED BLOWING SNOW WHICH COULD 
  LOWER VISIBILITY TO LESS THAN 1/4 MILE AT TIMES. PERIODS OF 
  SNOW AND BLOWING SNOW WILL PERSIST THROUGH WEDNESDAY MORNING. 

* SNOW ACCUMULATIONS: 5 TO 10 INCHES FOR THE LOWER ELEVATIONS 
  AND 8 TO 14 INCHES FOR THE MOUNTAINS AND MOUNTAIN PASSES. 

* WINDS: WEST-SOUTHWEST 10 TO 20 MPH, GUSTING TO 30 MPH.

* LOCATIONS IMPACTED INCLUDE: ELK RIVER, HIGHWAY 11 PIERCE TO 
  HEADQUARTERS, PIERCE, DIXIE, ELK CITY, HIGHWAY 12 LOWELL TO 
  LOLO PASS, HIGHWAY 93 SULA TO LOST TRAIL PASS, AND LOLO PASS

$$

MTZ003-271900-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161227T1900Z/
711 AM MST TUE DEC 27 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST
TODAY...

* IMPACTS/TIMING: PERIODS OF LIGHT TO MODERATE SNOW WILL 
  CONTINUE THROUGH THE MORNING COMMUTE. SLICK, SNOW COVERED 
  ROADS SHOULD BE EXPECTED. 

* SNOW ACCUMULATIONS: 1 TO 3 INCHES.

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

$$

MTZ001-281200-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T1200Z/
711 AM MST TUE DEC 27 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY...

* IMPACTS/TIMING: A STRONG SYSTEM WILL CONTINUE TO BRING SNOW 
  AND LOCALIZED BLOWING SNOW TODAY WHICH MAY REDUCE VISIBILITY 
  AT TIMES AND CAUSE SLICK TRAVEL. PERIODS OF SNOW WILL PERSIST 
  THROUGH WEDNESDAY MORNING. 

* SNOW ACCUMULATIONS: 3 TO 7 INCHES.

* LOCATIONS IMPACTED INCLUDE: HIGHWAY 2 KALISPELL TO LIBBY, 
  HIGHWAY 37 EUREKA TO LIBBY, HIGHWAY 56 BULL LAKE ROAD, AND 
  HIGHWAY 93 EUREKA TO WHITEFISH

$$

MTZ007-281200-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T1200Z/
711 AM MST TUE DEC 27 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY...

* IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL CREATE LOW 
  VISIBILITY AT TIMES TODAY. DRIFTING SNOW AND ABRUPT CROSSWINDS 
  CAN CAUSE HAZARDOUS TRAVEL, ESPECIALLY FOR HIGHWAY 12 OVER 
  MACDONALD PASS AND ALONG I-90. INTENSE SNOW BANDS ARE POSSIBLE 
  THIS AFTERNOON AND EVENING. PERIODS OF SNOW AND BLOWING SNOW 
  WILL PERSIST THROUGH WEDNESDAY MORNING. 

* SNOW ACCUMULATIONS: 1 TO 4 INCHES WITH LOCALLY HIGHER AMOUNTS 
  OVER HIGH ELEVATION VALLEYS OF SOUTHWEST MONTANA. 

* WINDS: WEST-SOUTHWEST 15 TO 25 MPH, GUSTING TO 40 MPH ALONG 
  THE DIVIDE AND I-90 ANACONDA/DEER LODGE. 

* LOCATIONS IMPACTED INCLUDE: BUTTE, GEORGETOWN LAKE, HIGHWAY 12 
  GARRISON TO ELLISTON, HOMESTAKE PASS, AND MACDONALD PASS

$$

MTZ043-281200-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T1200Z/
711 AM MST TUE DEC 27 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY...

* IMPACTS/TIMING: A STRONG SYSTEM WILL BRING SNOW AND BREEZY 
  WIND TODAY. MODERATE TO HEAVY SNOW IS LIKELY AND WILL CAUSE 
  SLICK TRAVEL. THERE IS THE POTENTIAL FOR LOCALIZED BLOWING 
  SNOW ALONG THE HIGHWAY 200 CORRIDOR, WHICH COULD CAUSE LOWERED 
  VISIBILITY AT TIMES, ESPECIALLY THIS AFTERNOON. PERIODS OF 
  SNOW AND BLOWING SNOW WILL PERSIST THROUGH WEDNESDAY MORNING. 

* SNOW ACCUMULATIONS: 4 TO 7 INCHES

* WINDS: WEST-SOUTHWEST 10 TO 20 MPH, GUSTING TO 30 MPH ALONG 
  THE HIGHWAY 200 CORRIDOR. 

* LOCATIONS IMPACTED INCLUDE: HIGHWAY 200 BONNER TO GREENOUGH, 
  HIGHWAY 83 SEELEY LAKE TO CONDON, AND I-90 EAST MISSOULA TO 
  BEARMOUTH

$$
704 
WWUS45 KMSO 271821
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
1121 AM MST TUE DEC 27 2016

MTZ004-281200-
/O.CON.KMSO.WS.W.0013.000000T0000Z-161228T1200Z/
1121 AM MST TUE DEC 27 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY...

* IMPACTS/TIMING: MODERATE TO HEAVY SNOW AND BLOWING SNOW WILL
  CREATE PERIODS OF WHITE OUT CONDITIONS AT TIMES AND CAUSE
  DIFFICULT TRAVEL, PARTICULARLY ON INTERSTATE 90 OVER LOOKOUT
  PASS. SNOW BANDS ARE EXPECTED TO DEVELOP THIS AFTERNOON, WHICH
  COULD CREATE LOCALIZED AREAS OF HEAVY SNOW AND QUICKLY CHANGING
  ROAD CONDITIONS THROUGH TONIGHT.

* STORM TOTAL SNOW ACCUMULATIONS: 3 TO 7 INCHES FOR THE LOWER 
  ELEVATIONS AND 10 TO 15 FOR THE MOUNTAINS AND MOUNTAIN PASSES. 

* WINDS: WEST-SOUTHWEST 15 TO 25 MPH, GUSTING TO AROUND 40 MPH.

* LOCATIONS IMPACTED INCLUDE: EVARO HILL, HIGHWAY 200 THOMPSON 
  FALLS TO PLAINS, HIGHWAY 200 TROUT CREEK TO HERON, AND I- 90 
  LOOKOUT PASS TO HAUGAN

$$

MTZ002-281200-
/O.CON.KMSO.WS.W.0013.000000T0000Z-161228T1200Z/
1121 AM MST TUE DEC 27 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY...

* IMPACTS/TIMING: MODERATE TO HEAVY SNOW AND BLOWING SNOW WILL
  CREATE WHITE OUT CONDITIONS AT TIMES AND CAUSE DIFFICULT TRAVEL,
  ESPECIALLY FOR HIGHWAY 2 OVER MARIAS PASS. SNOW BANDS ARE
  EXPECTED TO DEVELOP THIS AFTERNOON, WHICH COULD CREATE LOCALIZED
  AREAS OF HEAVY SNOW AND QUICKLY CHANGING ROAD CONDITIONS THROUGH
  TONIGHT.

* STORM TOTAL SNOW ACCUMULATIONS: 3 TO 7 INCHES FOR THE VALLEYS. 6
  TO 12 INCHES FOR THE MOUNTAINS INCLUDING MARIAS PASS. LOCALLY 
  HIGHER AMOUNTS POSSIBLE. 

* WINDS: WEST-SOUTHWEST 15 TO 25 MPH WITH GUSTS OVER 40 MPH.

* LOCATIONS IMPACTED INCLUDE: BAD ROCK CANYON, ESSEX, HIGHWAY 83 
  BIGFORK TO SWAN LAKE, MARIAS PASS, AND POLEBRIDGE

$$

IDZ007-280600-
/O.CON.KMSO.WS.W.0013.000000T0000Z-161228T0600Z/
1021 AM PST TUE DEC 27 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING...

* IMPACTS/TIMING: A STRONG SYSTEM WILL CONTINUE TO BRING WIND,
  SNOW AND AND BLOWING SNOW INTO THIS AFTERNOON. VISIBILITY WILL
  CONTINUE TO BE REDUCED BELOW ONE QUARTER MILE AT INTO THIS
  AFTERNOON. SOME ROADS HAVE BECOME IMPASSIBLE WITH CLOSURES BEING
  REPORTED BY THE IDAHO TRANSPORTATION DEPARTMENT. BLOWING SNOW
  AND WIND WILL DECLINE THIS AFTERNOON. HOWEVER, INTENSE SNOW
  BANDS ARE EXPECTED TO DEVELOP, WHICH COULD BRING LOCALIZED HEAVY
  SNOW INTO THIS EVENING.

* STORM TOTAL SNOW ACCUMULATIONS: 3 TO 8 INCHES. LOCALLY HIGHER 
  AMOUNTS DUE TO BLOWING AND DRIFTING. 

* WINDS: WIND GUSTS OVER 50 MPH POSSIBLE THROUGH EARLY AFTERNOON 
  OVER THE CAMAS PRAIRIE AREA. 

* LOCATIONS IMPACTED INCLUDE: CAMAS PRAIRIE, GRANGEVILLE AND 
  VICINITY, AND GREER GRADE

$$

MTZ003-281200-
/O.EXT.KMSO.WW.Y.0069.000000T0000Z-161228T1200Z/
1121 AM MST TUE DEC 27 2016

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 5 AM MST
WEDNESDAY...

* IMPACTS/TIMING: SNOW BANDS ARE EXPECTED TO DEVELOP THROUGH THIS
  AFTERNOON AND EVENING, WHICH WILL BRING LOCALIZED HEAVY SNOW AND
  GUSTY WINDS. ROAD CONDITIONS MAY CHANGE DRAMATICALLY OVER SHORT
  DISTANCES DUE TO LOW VISIBILITY AND SNOW.

* SNOW ACCUMULATIONS: AN ADDITIONAL 1 TO 3 INCHES.

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

$$

IDZ009-010-281800-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T1800Z/
1121 AM MST TUE DEC 27 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST
WEDNESDAY...

* IMPACTS/TIMING: A STRONG SYSTEM WILL BRING SNOW AND WIND 
  TODAY. SNOW AND BLOWING SNOW MAY REDUCE VISIBILITY AT TIMES 
  AND CAUSE SLICK TRAVEL. PERIODS OF SNOW AND BLOWING SNOW WILL 
  PERSIST THROUGH WEDNESDAY MORNING, ESPECIALLY OVER GILMORE 
  SUMMIT AND LOST TRAIL PASS. 

* STORM TOTAL SNOW ACCUMULATIONS: 8 TO 14 INCHES OVER LOST TRAIL 
  PASS AND GILMORE SUMMIT. 2 TO 3 INCHES FOR THE VALLEYS. 

* LOCATIONS IMPACTED INCLUDE: SHOUP, BANNOCK PASS, HIGHWAY 28 
  TENDOY TO LONE PINE, HIGHWAY 93 LOST TRAIL PASS TO 
  GIBBONSVILLE, LEMHI PASS, AND SALMON

$$

IDZ008-280600-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T0600Z/
1021 AM PST TUE DEC 27 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING FOR HIGHWAY 95 SLATE CREEK TO RIGGINS AND WHITE BIRD
GRADE...

* IMPACTS/TIMING: A STRONG SYSTEM WILL CONTINUE TO BRING SNOW 
  AND STRONG WINDS TODAY. SNOW AND BLOWING SNOW MAY REDUCE 
  VISIBILITY AT TIMES AND CAUSE SLICK TRAVEL. 

* STORM TOTAL SNOW ACCUMULATIONS: 4 TO 7 INCHES OVER WHITEBIRD GRADE
  AND 2 TO 4 INCHES ALONG HIGHWAY 95 SLATE CREEK TO RIGGINS.


$$

IDZ005-006-MTZ006-281200-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T1200Z/
1121 AM MST TUE DEC 27 2016 /1021 AM PST TUE DEC 27 2016/

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST /4 AM
PST/ WEDNESDAY...

* IMPACTS/TIMING: A STRONG SYSTEM WILL BRING SNOW AND BREEZY WIND
  TODAY. MODERATE TO HEAVY SNOW IS LIKELY AND WILL CAUSE SLICK
  TRAVEL, PARTICULARLY FOR LOLO AND LOST TRAIL PASSES. THERE IS
  THE POTENTIAL FOR LOCALIZED BLOWING SNOW WHICH COULD LOWER
  VISIBILITY TO LESS THAN ONE QUARTER MILE AT TIMES. PERIODS OF
  SNOW AND BLOWING SNOW WILL PERSIST THROUGH WEDNESDAY MORNING. 

* STORM TOTAL SNOW ACCUMULATIONS: 5 TO 10 INCHES FOR THE LOWER 
  ELEVATIONS AND 8 TO 14 INCHES FOR THE MOUNTAINS AND MOUNTAIN 
  PASSES. 

* WINDS: WEST-SOUTHWEST 10 TO 20 MPH, GUSTING TO 30 MPH.

* LOCATIONS IMPACTED INCLUDE: ELK RIVER, HIGHWAY 11 PIERCE TO 
  HEADQUARTERS, PIERCE, DIXIE, ELK CITY, HIGHWAY 12 LOWELL TO 
  LOLO PASS, HIGHWAY 93 SULA TO LOST TRAIL PASS, AND LOLO PASS

$$

MTZ001-281200-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T1200Z/
1121 AM MST TUE DEC 27 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY...

* IMPACTS/TIMING: A STRONG SYSTEM WILL CONTINUE TO BRING SNOW AND
  LOCALIZED BLOWING SNOW TODAY, WHICH WILL REDUCE VISIBILITY AT
  TIMES AND CAUSE SLICK TRAVEL. SNOW BANDS ARE EXPECTED TO DEVELOP
  THIS AFTERNOON, WHICH COULD CREATE LOCALIZED AREAS OF HEAVY SNOW
  AND QUICKLY CHANGING ROAD CONDITIONS THROUGH TONIGHT.

* STORM TOTAL SNOW ACCUMULATIONS: 3 TO 8 INCHES.

* LOCATIONS IMPACTED INCLUDE: HIGHWAY 2 KALISPELL TO LIBBY, 
  HIGHWAY 37 EUREKA TO LIBBY, HIGHWAY 56 BULL LAKE ROAD, AND 
  HIGHWAY 93 EUREKA TO WHITEFISH

$$

MTZ007-281200-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T1200Z/
1121 AM MST TUE DEC 27 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY...

* IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL CREATE LOW 
  VISIBILITY AT TIMES TODAY. DRIFTING SNOW AND ABRUPT CROSSWINDS 
  CAN CAUSE HAZARDOUS TRAVEL, ESPECIALLY FOR HIGHWAY 12 OVER 
  MACDONALD PASS AND ALONG I-90. INTENSE SNOW BANDS ARE POSSIBLE 
  THIS AFTERNOON AND EVENING. PERIODS OF SNOW AND BLOWING SNOW 
  WILL PERSIST THROUGH WEDNESDAY MORNING. 

* STORM TOTAL SNOW ACCUMULATIONS: 1 TO 4 INCHES WITH LOCALLY HIGHER
  AMOUNTS OVER HIGH ELEVATION VALLEYS OF SOUTHWEST MONTANA.


* WINDS: WEST-SOUTHWEST 15 TO 25 MPH, GUSTING TO 40 MPH ALONG THE
  DIVIDE AND I-90 ANACONDA TO DEER LODGE. 

* LOCATIONS IMPACTED INCLUDE: BUTTE, GEORGETOWN LAKE, HIGHWAY 12 
  GARRISON TO ELLISTON, HOMESTAKE PASS, AND MACDONALD PASS

$$

MTZ043-281200-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T1200Z/
1121 AM MST TUE DEC 27 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY...

* IMPACTS/TIMING: A STRONG SYSTEM WILL BRING SNOW AND BREEZY WIND
  TODAY. MODERATE TO HEAVY SNOW IS LIKELY AND WILL CAUSE SLICK
  TRAVEL. THERE IS THE POTENTIAL FOR LOCALIZED BLOWING SNOW ALONG
  THE HIGHWAY 200 CORRIDOR, WHICH COULD CAUSE LOWERED VISIBILITY
  AT TIMES, ESPECIALLY THIS AFTERNOON. SNOW BANDS ARE EXPECTED TO
  DEVELOP THIS AFTERNOON, WHICH COULD CREATE LOCALIZED AREAS OF
  HEAVY SNOW AND QUICKLY CHANGING ROAD CONDITIONS THROUGH TONIGHT. 

* STORM TOTAL SNOW ACCUMULATIONS: 4 TO 7 INCHES

* WINDS: WEST-SOUTHWEST 10 TO 20 MPH, GUSTING TO 30 MPH ALONG 
  THE HIGHWAY 200 CORRIDOR. 

* LOCATIONS IMPACTED INCLUDE: HIGHWAY 200 BONNER TO GREENOUGH, 
  HIGHWAY 83 SEELEY LAKE TO CONDON, AND I-90 EAST MISSOULA TO 
  BEARMOUTH

$$

MTZ005-281200-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T1200Z/
1121 AM MST TUE DEC 27 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY FOR BITTERROOT VALLEY AND MISSOULA...

* IMPACTS/TIMING: LOCALIZED AREAS OF BLOWING AND DRIFTING SNOW ARE
  EXPECTED THROUGH THIS AFTERNOON DUE TO GUSTY WINDS. SNOW BANDS
  ARE EXPECTED TO DEVELOP THIS AFTERNOON AND EVENING, WHICH WILL
  CAUSED LOCALIZED AREAS OF MODERATE SNOW AND GUSTY WINDS, 
  POTENTIALLY AFFECTING THE EVENING COMMUTE. 

* SNOW ACCUMULATIONS: 1 TO 4 INCHES WITH SNOW BANDS THIS 
  AFTERNOON AND EVENING. 

* WINDS: WEST-SOUTHWEST 15 TO 25 MPH, GUSTING TO 35 MPH.

$$
293 
WWUS45 KMSO 280236
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
736 PM MST TUE DEC 27 2016

MTZ004-281200-
/O.CAN.KMSO.WS.W.0013.000000T0000Z-161228T1200Z/
/O.EXA.KMSO.WW.Y.0069.000000T0000Z-161228T1200Z/
736 PM MST TUE DEC 27 2016

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST WEDNESDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER
STORM WARNING. 

* * IMPACTS/TIMING: MODERATE TO HEAVY SNOW HAS DIMINISHED. LIGHT 
SNOW IS EXPECTED TO PERSIST OVERNIGHT AND CAUSE SOME 
INTERMITTENT TRAVEL IMPACTS DUE TO SLICK ROADS. 

* ADDITIONAL ACCUMULATIONS: 2 TO 3 INCHES.

* LOCATIONS IMPACTED INCLUDE: EVARO HILL, HIGHWAY 200 THOMPSON 
  FALLS TO PLAINS, HIGHWAY 200 TROUT CREEK TO HERON, AND I- 90 
  LOOKOUT PASS TO HAUGAN

$$

MTZ002-281200-
/O.CAN.KMSO.WS.W.0013.000000T0000Z-161228T1200Z/
/O.EXA.KMSO.WW.Y.0069.000000T0000Z-161228T1200Z/
736 PM MST TUE DEC 27 2016

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST WEDNESDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER
STORM WARNING. 

* * IMPACTS/TIMING: MODERATE TO HEAVY SNOW HAS DIMINISHED. LIGHT 
SNOW IS EXPECTED TO PERSIST OVERNIGHT AND CAUSE SOME 
INTERMITTENT TRAVEL IMPACTS DUE TO SLICK ROADS. 

* STORM TOTAL SNOW ACCUMULATIONS: 1 TO 2 INCHES. 

* LOCATIONS IMPACTED INCLUDE: BAD ROCK CANYON, ESSEX, HIGHWAY 83 
  BIGFORK TO SWAN LAKE, MARIAS PASS, AND POLEBRIDGE

$$

IDZ007-280600-
/O.CON.KMSO.WS.W.0013.000000T0000Z-161228T0600Z/
636 PM PST TUE DEC 27 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING...

* IMPACTS/TIMING: A STRONG SYSTEM WILL CONTINUE TO BRING WIND AND
  BLOWING SNOW THIS EVENING. VISIBILITY WILL CONTINUE TO BE
  REDUCED AT TIMES. SOME ARE STILL CLOSED AS REPORTED BY THE IDAHO
  TRANSPORTATION DEPARTMENT. BLOWING SNOW AND WIND WILL DECLINE
  THIS EVENING. 

* ADDITIONAL SNOW ACCUMULATIONS: UP TO 1 INCH WITH HIGHER AMOUNTS
  NEAR BLOWING AND DRIFTING.  

* WINDS: PERIODS OF WIND GUSTS UP TO 40 MPH OVER THE CAMAS 
PRAIRIE AREA. 

* LOCATIONS IMPACTED INCLUDE: CAMAS PRAIRIE, GRANGEVILLE AND 
  VICINITY, AND GREER GRADE

$$

IDZ009-010-281800-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T1800Z/
736 PM MST TUE DEC 27 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST
WEDNESDAY...

* IMPACTS/TIMING: A STRONG SYSTEM WILL BRING SNOW AND WIND THIS
  EVENING. SNOW AND BLOWING SNOW MAY REDUCE VISIBILITY AT TIMES 
AND CAUSE SLICK TRAVEL. PERIODS OF SNOW AND BLOWING SNOW WILL 
PERSIST THROUGH WEDNESDAY MORNING, ESPECIALLY OVER GILMORE 
SUMMIT AND LOST TRAIL PASS. 

* STORM TOTAL SNOW ACCUMULATIONS: 8 TO 14 INCHES OVER LOST TRAIL 
  PASS AND GILMORE SUMMIT. 2 TO 3 INCHES FOR THE VALLEYS. 

* LOCATIONS IMPACTED INCLUDE: SHOUP, BANNOCK PASS, HIGHWAY 28 
  TENDOY TO LONE PINE, HIGHWAY 93 LOST TRAIL PASS TO 
  GIBBONSVILLE, LEMHI PASS, AND SALMON

$$

IDZ008-280600-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T0600Z/
636 PM PST TUE DEC 27 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING FOR HIGHWAY 95 SLATE CREEK TO RIGGINS AND WHITE BIRD
GRADE...

* IMPACTS/TIMING: A STRONG SYSTEM WILL CONTINUE TO BRING SNOW 
  AND STRONG WINDS TODAY. SNOW AND BLOWING SNOW MAY REDUCE 
  VISIBILITY AT TIMES AND CAUSE SLICK TRAVEL. 

* STORM TOTAL SNOW ACCUMULATIONS: 4 TO 7 INCHES OVER WHITEBIRD
  GRADE AND 1 TO 2 INCHES ALONG HIGHWAY 95 SLATE CREEK TO RIGGINS.


$$

IDZ005-006-MTZ006-281200-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T1200Z/
736 PM MST TUE DEC 27 2016 /636 PM PST TUE DEC 27 2016/

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST /4 AM
PST/ WEDNESDAY...

* IMPACTS/TIMING: SNOW BANDS WILL PERSIST THROUGH TONIGHT AND CAUSE
SLICK TRAVEL, PARTICULARLY FOR LOLO AND LOST TRAIL PASSES. 

* STORM TOTAL SNOW ACCUMULATIONS: 1 TO 3 INCHES.

* LOCATIONS IMPACTED INCLUDE: ELK RIVER, HIGHWAY 11 PIERCE TO 
  HEADQUARTERS, PIERCE, DIXIE, ELK CITY, HIGHWAY 12 LOWELL TO 
  LOLO PASS, HIGHWAY 93 SULA TO LOST TRAIL PASS, AND LOLO PASS

$$

MTZ003-281200-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T1200Z/
736 PM MST TUE DEC 27 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY...

* IMPACTS/TIMING: SNOW BANDS ARE EXPECTED TO PERSIST THROUGH THIS
  EVENING, WHICH WILL BRING LOCALIZED HEAVY SNOW ALONG WITH SLICK
  ROADS.

* SNOW ACCUMULATIONS: AN ADDITIONAL 1 INCH.

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

$$

MTZ001-281200-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T1200Z/
736 PM MST TUE DEC 27 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY...

* IMPACTS/TIMING: A STRONG SYSTEM WILL CONTINUE TO BRING SNOW
  BANDS THIS EVENING WHICH WILL CAUSE SLICK TRAVEL. 

* SNOW ACCUMULATIONS: AN ADDITIONAL.

* LOCATIONS IMPACTED INCLUDE: HIGHWAY 2 KALISPELL TO LIBBY, 
  HIGHWAY 37 EUREKA TO LIBBY, HIGHWAY 56 BULL LAKE ROAD, AND 
  HIGHWAY 93 EUREKA TO WHITEFISH

$$

MTZ007-281200-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T1200Z/
736 PM MST TUE DEC 27 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY...

* IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL CREATE LOW VISIBILITY
  AT TIMES TODAY AND IMPACT TRAVEL, ESPECIALLY FOR HIGHWAY 12 
OVER MACDONALD PASS AND ALONG I-90. INTENSE SNOW BANDS ARE 
POSSIBLE THIS AFTERNOON AND EVENING. PERIODS OF SNOW AND BLOWING
SNOW WILL PERSIST THROUGH WEDNESDAY MORNING. 

* STORM TOTAL SNOW ACCUMULATIONS: 1 TO 4 INCHES WITH LOCALLY 
  HIGHER AMOUNTS OVER HIGH ELEVATION VALLEYS OF SOUTHWEST 
  MONTANA. 

* LOCATIONS IMPACTED INCLUDE: BUTTE, GEORGETOWN LAKE, HIGHWAY 12 
  GARRISON TO ELLISTON, HOMESTAKE PASS, AND MACDONALD PASS

$$

MTZ043-281200-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T1200Z/
736 PM MST TUE DEC 27 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY...

* IMPACTS/TIMING: A STRONG SYSTEM WILL CONTINUE TO BRING SNOW
  BANDS OVER THE REGION THIS EVENING. LOCALIZED AREAS OF HEAVY
  SNOW AND QUICKLY CHANGING ROAD CONDITIONS ARE EXPECTED THROUGH 
  TONIGHT.

* STORM TOTAL SNOW ACCUMULATIONS: 1 TO 2 INCHES. 

* LOCATIONS IMPACTED INCLUDE: HIGHWAY 200 BONNER TO GREENOUGH, 
  HIGHWAY 83 SEELEY LAKE TO CONDON, AND I-90 EAST MISSOULA TO 
  BEARMOUTH

$$

MTZ005-281200-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T1200Z/
736 PM MST TUE DEC 27 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY FOR BITTERROOT VALLEY AND MISSOULA...

* IMPACTS/TIMING: SNOW BANDS ARE EXPECTED TO PERSIST THIS EVENING
  AND OVERNIGHT WHICH WILL CAUSED LOCALIZED AREAS OF MODERATE
  SNOW,.POTENTIALLY AFFECTING THE WEDNESDAY MORNING COMMUTE.

* SNOW ACCUMULATIONS: 1 TO 2 INCHES WITH SNOW BANDS THIS EVENING
  AND OVERNIGHT.

* LOCATIONS INCLUDED: THE MISSOULA AND BITTERROOT VALLEYS. 

$$
914 
WWUS45 KMSO 280426
WSWMSO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
926 PM MST TUE DEC 27 2016

IDZ007-280530-
/O.CAN.KMSO.WS.W.0013.000000T0000Z-161228T0600Z/
826 PM PST TUE DEC 27 2016

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER
STORM WARNING. 


$$

IDZ009-010-281800-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T1800Z/
926 PM MST TUE DEC 27 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST
   WEDNESDAY...

* IMPACTS/TIMING: A STRONG SYSTEM WILL BRING SNOW AND WIND THIS 
  EVENING. SNOW AND BLOWING SNOW MAY REDUCE VISIBILITY AT TIMES 
  AND CAUSE SLICK TRAVEL. PERIODS OF SNOW AND BLOWING SNOW WILL 
  PERSIST THROUGH WEDNESDAY MORNING, ESPECIALLY OVER GILMORE 
  SUMMIT AND LOST TRAIL PASS. 

* STORM TOTAL SNOW ACCUMULATIONS: 8 TO 14 INCHES OVER LOST TRAIL 
  PASS AND GILMORE SUMMIT. 2 TO 3 INCHES FOR THE VALLEYS. 

* LOCATIONS IMPACTED INCLUDE: SHOUP, BANNOCK PASS, HIGHWAY 28 
  TENDOY TO LONE PINE, HIGHWAY 93 LOST TRAIL PASS TO 
  GIBBONSVILLE, LEMHI PASS, AND SALMON

$$

IDZ008-280600-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T0600Z/
826 PM PST TUE DEC 27 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS
   EVENING FOR HIGHWAY 95 SLATE CREEK TO RIGGINS AND WHITE BIRD
   GRADE...

* IMPACTS/TIMING: A STRONG SYSTEM WILL CONTINUE TO BRING SNOW 
  AND STRONG WINDS TODAY. SNOW AND BLOWING SNOW MAY REDUCE 
  VISIBILITY AT TIMES AND CAUSE SLICK TRAVEL. 

* STORM TOTAL SNOW ACCUMULATIONS: 4 TO 7 INCHES OVER WHITEBIRD 
  GRADE AND 1 TO 2 INCHES ALONG HIGHWAY 95 SLATE CREEK TO 
  RIGGINS. 

$$

IDZ005-006-MTZ006-281200-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T1200Z/
926 PM MST TUE DEC 27 2016 /826 PM PST TUE DEC 27 2016/

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST /4 AM
   PST/ WEDNESDAY...

* IMPACTS/TIMING: SNOW BANDS WILL PERSIST THROUGH TONIGHT AND 
  CAUSE SLICK TRAVEL, PARTICULARLY FOR LOLO AND LOST TRAIL 
  PASSES.

* STORM TOTAL SNOW ACCUMULATIONS: 1 TO 3 INCHES.

* LOCATIONS IMPACTED INCLUDE: ELK RIVER, HIGHWAY 11 PIERCE TO 
  HEADQUARTERS, PIERCE, DIXIE, ELK CITY, HIGHWAY 12 LOWELL TO 
  LOLO PASS, HIGHWAY 93 SULA TO LOST TRAIL PASS, AND LOLO PASS

$$

MTZ003-281200-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T1200Z/
926 PM MST TUE DEC 27 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
   WEDNESDAY...

* IMPACTS/TIMING: SNOW BANDS ARE EXPECTED TO PERSIST THROUGH 
  THIS EVENING, WHICH WILL BRING LOCALIZED HEAVY SNOW ALONG WITH 
  SLICK ROADS. 

* SNOW ACCUMULATIONS: AN ADDITIONAL 1 INCH.

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

$$

MTZ001-281200-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T1200Z/
926 PM MST TUE DEC 27 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
   WEDNESDAY...

* IMPACTS/TIMING: A STRONG SYSTEM WILL CONTINUE TO BRING SNOW 
  BANDS THIS EVENING WHICH WILL CAUSE SLICK TRAVEL. 

* SNOW ACCUMULATIONS: AN ADDITIONAL.

* LOCATIONS IMPACTED INCLUDE: HIGHWAY 2 KALISPELL TO LIBBY, 
  HIGHWAY 37 EUREKA TO LIBBY, HIGHWAY 56 BULL LAKE ROAD, AND 
  HIGHWAY 93 EUREKA TO WHITEFISH

$$

MTZ007-281200-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T1200Z/
926 PM MST TUE DEC 27 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
   WEDNESDAY...

* IMPACTS/TIMING: SNOW AND BLOWING SNOW WILL CREATE LOW 
  VISIBILITY AT TIMES TODAY AND IMPACT TRAVEL, ESPECIALLY FOR 
  HIGHWAY 12 OVER MACDONALD PASS AND ALONG I-90. INTENSE SNOW 
  BANDS ARE POSSIBLE THIS AFTERNOON AND EVENING. PERIODS OF SNOW 
  AND BLOWING SNOW WILL PERSIST THROUGH WEDNESDAY MORNING. 

* STORM TOTAL SNOW ACCUMULATIONS: 1 TO 4 INCHES WITH LOCALLY 
  HIGHER AMOUNTS OVER HIGH ELEVATION VALLEYS OF SOUTHWEST 
  MONTANA. 

* LOCATIONS IMPACTED INCLUDE: BUTTE, GEORGETOWN LAKE, HIGHWAY 12 
  GARRISON TO ELLISTON, HOMESTAKE PASS, AND MACDONALD PASS

$$

MTZ004-281200-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T1200Z/
926 PM MST TUE DEC 27 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY...

* * IMPACTS/TIMING: MODERATE TO HEAVY SNOW HAS DIMINISHED. LIGHT 
    SNOW IS EXPECTED TO PERSIST OVERNIGHT AND CAUSE SOME 
    INTERMITTENT TRAVEL IMPACTS DUE TO SLICK ROADS.

* ADDITIONAL ACCUMULATIONS: 2 TO 3 INCHES.

* LOCATIONS IMPACTED INCLUDE: EVARO HILL, HIGHWAY 200 THOMPSON 
  FALLS TO PLAINS, HIGHWAY 200 TROUT CREEK TO HERON, AND I- 90 
  LOOKOUT PASS TO HAUGAN

$$

MTZ002-281200-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T1200Z/
926 PM MST TUE DEC 27 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY...

* * IMPACTS/TIMING: MODERATE TO HEAVY SNOW HAS DIMINISHED. LIGHT 
    SNOW IS EXPECTED TO PERSIST OVERNIGHT AND CAUSE SOME 
    INTERMITTENT TRAVEL IMPACTS DUE TO SLICK ROADS.

* STORM TOTAL SNOW ACCUMULATIONS: 1 TO 2 INCHES.

* LOCATIONS IMPACTED INCLUDE: BAD ROCK CANYON, ESSEX, HIGHWAY 83 
  BIGFORK TO SWAN LAKE, MARIAS PASS, AND POLEBRIDGE

$$

MTZ043-281200-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T1200Z/
926 PM MST TUE DEC 27 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY...

* IMPACTS/TIMING: A STRONG SYSTEM WILL CONTINUE TO BRING SNOW 
  BANDS OVER THE REGION THIS EVENING. LOCALIZED AREAS OF HEAVY 
  SNOW AND QUICKLY CHANGING ROAD CONDITIONS ARE EXPECTED THROUGH 
  TONIGHT. 

* STORM TOTAL SNOW ACCUMULATIONS: 1 TO 2 INCHES.

* LOCATIONS IMPACTED INCLUDE: HIGHWAY 200 BONNER TO GREENOUGH, 
  HIGHWAY 83 SEELEY LAKE TO CONDON, AND I-90 EAST MISSOULA TO 
  BEARMOUTH

$$

MTZ005-281200-
/O.CON.KMSO.WW.Y.0069.000000T0000Z-161228T1200Z/
926 PM MST TUE DEC 27 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
   WEDNESDAY FOR BITTERROOT VALLEY AND MISSOULA...

* IMPACTS/TIMING: SNOW BANDS ARE EXPECTED TO PERSIST THIS 
  EVENING AND OVERNIGHT WHICH WILL CAUSED LOCALIZED AREAS OF 
  MODERATE SNOW,.POTENTIALLY AFFECTING THE WEDNESDAY MORNING 
  COMMUTE. 

* SNOW ACCUMULATIONS: 1 TO 2 INCHES WITH SNOW BANDS THIS EVENING 
  AND OVERNIGHT. 

* LOCATIONS INCLUDED: THE MISSOULA AND BITTERROOT VALLEYS.

$$

The office that day

Everything else NWS Missoula, MT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 26, 3:31 AM MSTWinter Storm WatchMSOFlathead, Granite, Lake, Mineral, Missoula, Ravalli and 1 more11 hr
Dec 26, 3:31 AM MSTWinter Weather AdvisoryMSODeer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more55 hr

Nearby

Winter Storm Warnings in Montana, 2016Winter Storm Warnings in Idaho, 2016Every winter storm warning in 2016

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.