Alert archive / Montana / Wind Chill Advisories in 2016

Wind Chill Advisory 3, NWS Great Falls, MT

December 12, 2016

NWS Great Falls, MT issued this wind chill advisory at Dec 12, 2016, 3:09 AM MST. It was in force for 31 hr.

The area

The counties it named.

The facts

Issued
Dec 12, 2016, 3:09 AM MST (10:09 UTC)
Expired
Dec 13, 2016, 9:45 AM MST
In force
31 hr
Issued by
NWS Great Falls, MT

The text

As transmitted.

801 
WWUS45 KTFX 121009
WSWTFX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
309 AM MST MON DEC 12 2016

MTZ009-122300-
/O.NEW.KTFX.WC.Y.0003.161212T1009Z-161213T1900Z/
/O.CON.KTFX.WS.W.0009.000000T0000Z-161212T2100Z/
NORTHERN ROCKY MOUNTAIN FRONT-
INCLUDING THE FOLLOWING LOCATIONS...BROWNING...MARIAS PASS...
LOGAN PASS
309 AM MST MON DEC 12 2016

...WIND CHILL ADVISORY IN EFFECT UNTIL NOON MST TUESDAY...
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 2 PM MST THIS
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT UNTIL NOON MST TUESDAY.

* LOCATIONS...BROWNING...MARIAS PASS...LOGAN PASS.

* TIMING...SNOW CONTINUES ALONG THE ROCKY MOUNTAIN FRONT EARLY
  MONDAY MORNING...THEN TAPERS OFF BY EARLY MONDAY AFTERNOON. A
  COLD ARCTIC AIRMASS AND BRISK WINDS WILL PRODUCE SIGNIFICANT WIND
  CHILLS THROUGH LATE TUESDAY MORNING.

* SNOW ACCUMULATIONS...AN ADDITIONAL 1 TO 3 INCHES OF SNOW IN THE
  VALLEYS AND 3 TO 6 INCHES IN THE MOUNTAINS.

* WINDS...WEST 5 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* WIND CHILL...15 TO 25 DEGREES BELOW ZERO.

* IMPACTS...SNOW COVERED ROADS WILL CAUSE SLIPPERY CONDITIONS...
  ESPECIALLY AT PASS LEVEL. VISIBILITY WILL BE REDUCED IN SNOW AND
  BLOWING SNOW. THOSE WITH BACKCOUNTRY PLANS SHOULD PREPARE FOR
  WINTER STORM CONDITIONS.

* WEB PAGE: TO SEE A GRAPHICAL REPRESENTATION OF THIS HAZARD 
  PLEASE VISIT OUR WEB PAGE AND CLICK ON THE DETAILED HAZARDS 
  TAB.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND BRISK 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.

FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1.

&&

$$

MTZ048-122100-
/O.CON.KTFX.WS.W.0009.000000T0000Z-161212T2100Z/
SOUTHERN ROCKY MOUNTAIN FRONT-
INCLUDING THE FOLLOWING LOCATIONS...CHOTEAU
309 AM MST MON DEC 12 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 2 PM MST THIS
AFTERNOON...

* LOCATIONS...CHOTEAU.

* TIMING...SNOW CONTINUES ALONG THE ROCKY MOUNTAIN FRONT EARLY
  MONDAY MORNING...THEN TAPERS OFF BY EARLY MONDAY AFTERNOON. A
  COLD ARCTIC AIRMASS SETTLES INTO THE AREA OVERNIGHT.

* SNOW ACCUMULATIONS...AN ADDITIONAL 1 TO 3 INCHES OF SNOW IN THE
  VALLEYS AND 3 TO 8 INCHES IN THE MOUNTAINS

* WINDS...NORTHWEST 5 TO 10 MPH WITH GUSTS UP TO 20 MPH.

* IMPACTS...SNOW COVERED ROADS WILL CAUSE SLIPPERY CONDITIONS...
  ESPECIALLY AT PASS LEVEL. VISIBILITY WILL BE REDUCED IN SNOW AND
  BLOWING SNOW. THOSE WITH BACKCOUNTRY PLANS SHOULD PREPARE FOR
  WINTER STORM CONDITIONS.

* WEB PAGE: TO SEE A GRAPHICAL REPRESENTATION OF THIS HAZARD 
  PLEASE VISIT OUR WEB PAGE AND CLICK ON THE DETAILED HAZARDS 
  TAB.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1.

&&

$$

MTZ010-011-013-044>047-049-122300-
/O.NEW.KTFX.WC.Y.0003.161212T1009Z-161213T1900Z/
/O.CON.KTFX.WW.Y.0037.000000T0000Z-161212T1800Z/
EASTERN GLACIER-HILL-CHOUTEAU-TOOLE-LIBERTY-EASTERN PONDERA-
BLAINE-EASTERN TETON-
INCLUDING THE FOLLOWING LOCATIONS...CUT BANK...HAVRE...
BIG SANDY...FORT BENTON...SHELBY...CHESTER...CONRAD...CHINOOK...
FAIRFIELD
309 AM MST MON DEC 12 2016

...WIND CHILL ADVISORY IN EFFECT UNTIL NOON MST TUESDAY...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING...

THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT UNTIL NOON MST TUESDAY.

* LOCATIONS...CUT BANK...HAVRE...BIG SANDY...FORT BENTON... 
  SHELBY...CHESTER...CONRAD...CHINOOK...FAIRFIELD.

* TIMING...PERIODS OF LIGHT SNOW WILL TAPER OFF FROM NORTH TO
  SOUTH MONDAY MORNING. A COLD ARCTIC AIRMASS AND BRISK WINDS
  WILL PRODUCE SIGNIFICANT WIND CHILLS THROUGH LATE TUESDAY
  MORNING.

* SNOW ACCUMULATIONS...UP TO AN ADDITIONAL INCH.

* WINDS...NORTHWEST 5 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* WIND CHILL...15 TO 25 DEGREES BELOW ZERO.

* IMPACTS...SNOW COVERED ROADS WILL CAUSE SLIPPERY CONDITIONS. 
  VISIBILITY WILL BE REDUCED IN SNOW AND BLOWING SNOW.

* WEB PAGE: TO SEE A GRAPHICAL REPRESENTATION OF THIS HAZARD 
  PLEASE VISIT OUR WEB PAGE AND CLICK ON THE DETAILED HAZARDS 
  TAB.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND BRISK 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.

FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1.

&&

$$

MTZ050-051-122300-
/O.NEW.KTFX.WC.Y.0003.161212T1009Z-161213T1900Z/
/O.EXT.KTFX.WW.Y.0037.000000T0000Z-161213T0000Z/
JUDITH BASIN-FERGUS-
INCLUDING THE FOLLOWING LOCATIONS...STANFORD...LEWISTOWN...
LEWISTOWN DIVIDE
309 AM MST MON DEC 12 2016

...WIND CHILL ADVISORY IN EFFECT UNTIL NOON MST TUESDAY...
...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT UNTIL NOON MST TUESDAY.

* LOCATIONS...STANFORD...LEWISTOWN...LEWISTOWN DIVIDE.

* TIMING...PERIODS OF SNOW WILL CONTINUE MONDAY MORNING THEN WILL
  TAPER OFF FROM NORTH TO SOUTH MONDAY AFTERNOON. A COLD ARCTIC
  AIRMASS AND BRISK WINDS WILL PRODUCE SIGNIFICANT WIND CHILLS
  THROUGH LATE TUESDAY MORNING.

* SNOW ACCUMULATIONS...AN ADDITIONAL 1 TO 2 INCHES.

* WINDS...WEST 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* WIND CHILL...15 TO 25 DEGREES BELOW ZERO.

* IMPACTS...SNOW COVERED ROADS WILL CAUSE SLIPPERY CONDITIONS. 
  VISIBILITY WILL BE REDUCED IN SNOW AND BLOWING SNOW.

* WEB PAGE: TO SEE A GRAPHICAL REPRESENTATION OF THIS HAZARD 
  PLEASE VISIT OUR WEB PAGE AND CLICK ON THE DETAILED HAZARDS 
  TAB.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS.

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.

FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1.

&&

$$

MTZ012-014-054-122300-
/O.EXT.KTFX.WW.Y.0037.000000T0000Z-161213T0000Z/
CASCADE-CENTRAL AND SOUTHERN LEWIS AND CLARK-MEAGHER-
INCLUDING THE FOLLOWING LOCATIONS...GREAT FALLS...
KINGS HILL PASS...FLESHER PASS...HELENA...LINCOLN...
MACDONALD PASS...ROGERS PASS...WHITE SULPHUR SPRINGS
309 AM MST MON DEC 12 2016

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* LOCATIONS...WHITE SULPHUR SPRINGS...GREAT FALLS...KINGS HILL 
  PASS...FLESHER PASS...HELENA...LINCOLN...MACDONALD PASS...
  ROGERS PASS.

* TIMING...PERIODS OF SNOW WILL CONTINUE MONDAY MORNING THEN WILL
  TAPER OFF FROM NORTH TO SOUTH MONDAY AFTERNOON. A COLD ARCTIC
  AIRMASS WILL SETTLE INTO THE AREA AS THE SNOW ENDS.

* SNOW ACCUMULATIONS...AN ADDITIONAL 1 TO 2 INCHES OF SNOW IN THE
  VALLEYS AND 2 TO 6 INCHES IN THE MOUNTAINS.

* WINDS...NORTHWEST 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* IMPACTS...SNOW COVERED ROADS WILL CAUSE SLIPPERY CONDITIONS. 
  VISIBILITY WILL BE REDUCED IN SNOW AND BLOWING SNOW.

* WEB PAGE: TO SEE A GRAPHICAL REPRESENTATION OF THIS HAZARD 
  PLEASE VISIT OUR WEB PAGE AND CLICK ON THE DETAILED HAZARDS 
  TAB.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS.

FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1.

&&

$$

MTZ052-053-122300-
/O.CON.KTFX.WW.Y.0037.000000T0000Z-161213T0600Z/
JEFFERSON-BROADWATER-
INCLUDING THE FOLLOWING LOCATIONS...BOULDER...BOULDER HILL...
ELK PARK PASS...HOMESTAKE PASS...WHITEHALL...TOWNSEND
309 AM MST MON DEC 12 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

* LOCATIONS...BOULDER...BOULDER HILL...ELK PARK PASS...HOMESTAKE 
  PASS...WHITEHALL...TOWNSEND.

* TIMING...PERIODS OF SNOW WILL CONTINUE THROUGH MUCH OF THE
  DAYTIME HOURS ON MONDAY...THEN TAPER OFF FROM NORTH TO SOUTH
  EARLY MONDAY EVENING. A COLD ARCTIC AIRMASS WILL SETTLE INTO
  THE AREA AS THE SNOW ENDS.

* SNOW ACCUMULATIONS...AN ADDITIONAL 1 TO 5 INCHES.

* WINDS...WEST 5 TO 15 MPH WITH GUSTS UP TO 30 MPH.

* IMPACTS...SNOW COVERED ROADS WILL CAUSE SLIPPERY CONDITIONS. 
  VISIBILITY WILL BE REDUCED IN SNOW AND BLOWING SNOW.

* WEB PAGE: TO SEE A GRAPHICAL REPRESENTATION OF THIS HAZARD 
  PLEASE VISIT OUR WEB PAGE AND CLICK ON THE DETAILED HAZARDS 
  TAB.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS.

FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1.

&&

$$
5 follow-up statements
816 
WWUS45 KTFX 121644
WSWTFX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
944 AM MST MON DEC 12 2016

MTZ009-131900-
/O.CAN.KTFX.WS.W.0009.000000T0000Z-161212T2100Z/
/O.CON.KTFX.WC.Y.0003.000000T0000Z-161213T1900Z/
NORTHERN ROCKY MOUNTAIN FRONT-
INCLUDING THE FOLLOWING LOCATIONS...BROWNING...MARIAS PASS...
LOGAN PASS
944 AM MST MON DEC 12 2016

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON MST TUESDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS CANCELLED THE
WINTER STORM WARNING.

* LOCATIONS...BROWNING...MARIAS PASS...LOGAN PASS.

* TIMING...AN ARCTIC AIRMASS AND BRISK WINDS WILL PRODUCE
  SIGNIFICANT WIND CHILLS THROUGH LATE TUESDAY MORNING. JUST A FEW
  SNOW SHOWERS ARE EXPECTED THROUGH TUESDAY MORNING, WITH
  ADDITIONAL ACCUMULATIONS OF A DUSTING TO 1 INCH EXPECTED. 

* WINDS...WEST 5 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* WIND CHILL...AS LOW AS 25 TO 30 DEGREES BELOW ZERO. 

* IMPACTS...FROSTBITE CAN OCCUR ON EXPOSED SKIN WITHIN 30 MINUTES.

* WEB PAGE: TO SEE A GRAPHICAL REPRESENTATION OF THIS HAZARD 
  PLEASE VISIT OUR WEB PAGE AND CLICK ON THE DETAILED HAZARDS 
  TAB.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND BRISK 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.

&&

$$

MTZ010-011-013-044>047-049-131900-
/O.CAN.KTFX.WW.Y.0037.000000T0000Z-161212T1800Z/
/O.CON.KTFX.WC.Y.0003.000000T0000Z-161213T1900Z/
EASTERN GLACIER-HILL-CHOUTEAU-TOOLE-LIBERTY-EASTERN PONDERA-
BLAINE-EASTERN TETON-
INCLUDING THE FOLLOWING LOCATIONS...CUT BANK...HAVRE...
BIG SANDY...FORT BENTON...SHELBY...CHESTER...CONRAD...CHINOOK...
FAIRFIELD
944 AM MST MON DEC 12 2016

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON MST TUESDAY...
...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS CANCELLED THE
WINTER WEATHER ADVISORY.

* LOCATIONS...FAIRFIELD...CHINOOK...CONRAD...SHELBY...CHESTER... 
  CUT BANK...HAVRE...BIG SANDY...FORT BENTON.

* TIMING...AN ARCTIC AIRMASS AND BRISK WINDS WILL PRODUCE
  SIGNIFICANT WIND CHILLS THROUGH LATE TUESDAY MORNING.

* WINDS...WEST 5 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* WIND CHILL...AS LOW AS 25 TO 30 BELOW ZERO.

* IMPACTS...FROSTBITE CAN OCCUR ON EXPOSED SKIN WITHIN 30 MINUTES. 

* WEB PAGE: TO SEE A GRAPHICAL REPRESENTATION OF THIS HAZARD 
  PLEASE VISIT OUR WEB PAGE AND CLICK ON THE DETAILED HAZARDS 
  TAB.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND BRISK 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.

&&

$$

MTZ052-053-121745-
/O.CAN.KTFX.WW.Y.0037.000000T0000Z-161213T0600Z/
JEFFERSON-BROADWATER-
944 AM MST MON DEC 12 2016

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS CANCELLED THE
WINTER WEATHER ADVISORY.

SCATTERED SNOW SHOWERS ARE POSSIBLE THROUGH THIS EVENING, BUT
ADDITIONAL SNOW ACCUMULATIONS SHOULD BE A DUSTING TO 1 INCH.

$$

MTZ048-122100-
/O.CON.KTFX.WS.W.0009.000000T0000Z-161212T2100Z/
SOUTHERN ROCKY MOUNTAIN FRONT-
INCLUDING THE FOLLOWING LOCATIONS...CHOTEAU
944 AM MST MON DEC 12 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 2 PM MST THIS
AFTERNOON...

* LOCATIONS...CHOTEAU.

* TIMING...SNOW CONTINUES ALONG THE SOUTHERN ROCKY MOUNTAIN FRONT
  EARLY THIS MORNING AND WILL THEN TAPER OFF THIS AFTERNOON.

* SNOW ACCUMULATIONS...UP TO AN ADDITIONAL 1 INCH.

* WINDS...NORTHWEST 5 TO 10 MPH.

* IMPACTS...SNOW COVERED ROADS WILL CAUSE SLIPPERY CONDITIONS, ESPECIALLY
  AT PASS LEVEL. VISIBILITY MAY BE REDUCED TO LESS THAN 1 MILE IN
  SNOW AND BLOWING SNOW.

* WEB PAGE: TO SEE A GRAPHICAL REPRESENTATION OF THIS HAZARD 
  PLEASE VISIT OUR WEB PAGE AND CLICK ON THE DETAILED HAZARDS 
  TAB.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE
EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL
MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1.

&&

$$

MTZ050-051-131900-
/O.CON.KTFX.WC.Y.0003.000000T0000Z-161213T1900Z/
/O.CON.KTFX.WW.Y.0037.000000T0000Z-161213T0000Z/
JUDITH BASIN-FERGUS-
INCLUDING THE FOLLOWING LOCATIONS...STANFORD...LEWISTOWN...
LEWISTOWN DIVIDE
944 AM MST MON DEC 12 2016

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON MST TUESDAY...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* LOCATIONS...STANFORD...LEWISTOWN...LEWISTOWN DIVIDE.

* TIMING...PERIODS OF SNOW WILL CONTINUE THIS MORNING AND WILL
  THEN TAPER OFF THIS AFTERNOON. AN ARCTIC AIRMASS AND BRISK
  WINDS WILL PRODUCE SIGNIFICANT WIND CHILLS THROUGH LATE TUESDAY
  MORNING.

* SNOW ACCUMULATIONS...UP TO AN ADDITIONAL 1 INCH.

* WINDS...WEST 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* WIND CHILL...AS LOW AS 20 TO 25 DEGREES BELOW ZERO.

* IMPACTS...FROSTBITE CAN OCCUR ON EXPOSED SKIN WITHIN 30 MINUTES.

* WEB PAGE: TO SEE A GRAPHICAL REPRESENTATION OF THIS HAZARD 
  PLEASE VISIT OUR WEB PAGE AND CLICK ON THE DETAILED HAZARDS 
  TAB.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS.

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.

FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1.

&&

$$

MTZ012-014-054-130000-
/O.CON.KTFX.WW.Y.0037.000000T0000Z-161213T0000Z/
CASCADE-CENTRAL AND SOUTHERN LEWIS AND CLARK-MEAGHER-
INCLUDING THE FOLLOWING LOCATIONS...GREAT FALLS...
KINGS HILL PASS...FLESHER PASS...HELENA...LINCOLN...
MACDONALD PASS...ROGERS PASS...WHITE SULPHUR SPRINGS
944 AM MST MON DEC 12 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* LOCATIONS...WHITE SULPHUR SPRINGS...GREAT FALLS...KINGS HILL 
  PASS...FLESHER PASS...HELENA...LINCOLN...MACDONALD PASS...
  ROGERS PASS.

* TIMING...PERIODS OF SNOW THIS MORNING WILL TAPER OFF THIS
  AFTERNOON.

* SNOW ACCUMULATIONS...ADDITIONAL DUSTING TO 1 INCH ON THE PLAINS
  AND IN THE VALLEYS. AN ADDITIONAL 1-2 INCHES IN THE MOUNTAINS.

* WINDS...NORTHWEST 5 TO 10 MPH WITH GUSTS UP TO 20 MPH.

* IMPACTS...SNOW COVERED ROADS WILL CAUSE SLIPPERY CONDITIONS. 
  VISIBILITY WILL BE REDUCED IN SNOW AND BLOWING SNOW.

* WEB PAGE: TO SEE A GRAPHICAL REPRESENTATION OF THIS HAZARD 
  PLEASE VISIT OUR WEB PAGE AND CLICK ON THE DETAILED HAZARDS 
  TAB.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS.

FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN MONTANA...DIAL 5 1 1.

&&

$$
073 
WWUS45 KTFX 122053
WSWTFX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
153 PM MST MON DEC 12 2016

MTZ048-122200-
/O.CAN.KTFX.WS.W.0009.000000T0000Z-161212T2100Z/
SOUTHERN ROCKY MOUNTAIN FRONT-
153 PM MST MON DEC 12 2016

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS CANCELLED THE
WINTER STORM WARNING.

PERIODS OF LIGHT SNOW WILL CONTINUE HOWEVER SIGNIFICANT ACCUMULATIONS
ARE NOT EXPECTED. THUS THE WINTER STORM WARNING HAS BEEN CANCELED.


$$

MTZ050-051-130900-
/O.CAN.KTFX.WW.Y.0037.000000T0000Z-161213T0000Z/
/O.CON.KTFX.WC.Y.0003.000000T0000Z-161213T1900Z/
JUDITH BASIN-FERGUS-
INCLUDING THE FOLLOWING LOCATIONS...STANFORD...LEWISTOWN...
LEWISTOWN DIVIDE
153 PM MST MON DEC 12 2016

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON MST TUESDAY...
...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS CANCELLED THE
WINTER WEATHER ADVISORY.

* LOCATIONS...STANFORD...LEWISTOWN...LEWISTOWN DIVIDE.

* TIMING...AN ARCTIC AIRMASS AND BRISK WINDS WILL PRODUCE
  SIGNIFICANT WIND CHILLS THROUGH LATE TUESDAY MORNING.

* WINDS...WEST 10 TO 15 MPH WITH GUSTS UP TO 20 MPH.

* WIND CHILL...AS LOW AS 16 BELOW DUE TO TEMPERATURES 2 BELOW TO 
  10 ABOVE ZERO...AND WINDS WEST 10 TO 15 MPH WITH GUSTS UP TO 
  20 MPH.

* IMPACTS...FROSTBITE CAN OCCUR ON EXPOSED SKIN WITHIN 30 
  MINUTES.

* WEB PAGE: TO SEE A GRAPHICAL REPRESENTATION OF THIS HAZARD 
  PLEASE VISIT OUR WEB PAGE AND CLICK ON THE DETAILED HAZARDS 
  TAB.

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.

&&

$$

MTZ012-014-054-122200-
/O.CAN.KTFX.WW.Y.0037.000000T0000Z-161213T0000Z/
CASCADE-CENTRAL AND SOUTHERN LEWIS AND CLARK-MEAGHER-
153 PM MST MON DEC 12 2016

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS CANCELLED THE
WINTER WEATHER ADVISORY.

FURTHER ACCUMULATING SNOWFALL IS NOT EXPECTED. THUS THE WINTER
WEATHER ADVISORY HAS BEEN CANCELED.

$$

MTZ009>011-013-044>047-049-130900-
/O.CON.KTFX.WC.Y.0003.000000T0000Z-161213T1900Z/
NORTHERN ROCKY MOUNTAIN FRONT-EASTERN GLACIER-HILL-CHOUTEAU-TOOLE-
LIBERTY-EASTERN PONDERA-BLAINE-EASTERN TETON-
INCLUDING THE FOLLOWING LOCATIONS...BROWNING...MARIAS PASS...
LOGAN PASS...CUT BANK...HAVRE...BIG SANDY...FORT BENTON...
SHELBY...CHESTER...CONRAD...CHINOOK...FAIRFIELD
153 PM MST MON DEC 12 2016

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

* LOCATIONS...FAIRFIELD...CHINOOK...CONRAD...CHESTER...SHELBY... 
  BROWNING...MARIAS PASS...LOGAN PASS...CUT BANK...HAVRE...BIG 
  SANDY...FORT BENTON.

* TIMING...AN ARCTIC AIRMASS AND BRISK WINDS WILL PRODUCE 
  SIGNIFICANT WIND CHILLS THROUGH LATE TUESDAY MORNING.

* WINDS...WEST 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* WIND CHILL...AS LOW AS 21 BELOW DUE TO TEMPERATURES 5 BELOW TO 
  10 ABOVE ZERO...AND WINDS WEST 10 TO 15 MPH WITH GUSTS UP TO 
  25 MPH.

* IMPACTS...FROSTBITE CAN OCCUR ON EXPOSED SKIN WITHIN 30 
  MINUTES.

* WEB PAGE: TO SEE A GRAPHICAL REPRESENTATION OF THIS HAZARD 
  PLEASE VISIT OUR WEB PAGE AND CLICK ON THE DETAILED HAZARDS 
  TAB.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND BRISK 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.

&&

$$
684 
WWUS45 KTFX 130424
WSWTFX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
924 PM MST MON DEC 12 2016


MTZ009>011-013-044>047-049>051-131900-
/O.CON.KTFX.WC.Y.0003.000000T0000Z-161213T1900Z/
NORTHERN ROCKY MOUNTAIN FRONT-EASTERN GLACIER-HILL-CHOUTEAU-TOOLE-
LIBERTY-EASTERN PONDERA-BLAINE-EASTERN TETON-JUDITH BASIN-FERGUS-
INCLUDING THE FOLLOWING LOCATIONS...BROWNING...MARIAS PASS...
LOGAN PASS...CUT BANK...HAVRE...BIG SANDY...FORT BENTON...
SHELBY...CHESTER...CONRAD...CHINOOK...FAIRFIELD...STANFORD...
LEWISTOWN...LEWISTOWN DIVIDE
924 PM MST MON DEC 12 2016

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

* LOCATIONS...FAIRFIELD...STANFORD...CHINOOK...CONRAD...
  CHESTER... SHELBY...BROWNING...MARIAS PASS...LOGAN PASS...CUT 
  BANK...HAVRE... BIG SANDY...FORT BENTON...LEWISTOWN...
  LEWISTOWN DIVIDE.

* TIMING...AN ARCTIC AIRMASS AND BRISK WINDS WILL PRODUCE
  SIGNIFICANT WIND CHILLS TONIGHT THROUGH LATE TUESDAY MORNING.

* WINDS...WEST 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* WIND CHILL...AS LOW AS 21 BELOW DUE TO TEMPERATURES 5 BELOW TO 
  10 ABOVE ZERO...AND WINDS WEST 10 TO 15 MPH WITH GUSTS UP TO 
  25 MPH.

* IMPACTS...FROSTBITE CAN OCCUR ON EXPOSED SKIN WITHIN 30 
  MINUTES.

* WEB PAGE: TO SEE A GRAPHICAL REPRESENTATION OF THIS HAZARD 
  PLEASE VISIT OUR WEB PAGE AND CLICK ON THE DETAILED HAZARDS 
  TAB.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND BRISK 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.

&&

$$
041 
WWUS45 KTFX 131025
WSWTFX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
325 AM MST TUE DEC 13 2016

MTZ049>051-132300-
/O.CAN.KTFX.WC.Y.0003.000000T0000Z-161213T1900Z/
/O.NEW.KTFX.WS.A.0004.161215T1300Z-161216T1300Z/
EASTERN TETON-JUDITH BASIN-FERGUS-
INCLUDING THE FOLLOWING LOCATIONS...FAIRFIELD...STANFORD...
LEWISTOWN...LEWISTOWN DIVIDE
325 AM MST TUE DEC 13 2016

...WINTER STORM WATCH IN EFFECT FROM THURSDAY MORNING THROUGH
LATE THURSDAY NIGHT...
...WIND CHILL ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM THURSDAY MORNING THROUGH
LATE THURSDAY NIGHT. THE WIND CHILL ADVISORY HAS BEEN CANCELLED.

* LOCATIONS...FAIRFIELD...STANFORD...LEWISTOWN...LEWISTOWN 
  DIVIDE.

* TIMING...APPARENT TEMPERATURES REMAIN WARMER THAN 20 DEGREES
  BELOW ZERO. AS A RESULT...THE WIND CHILL ADVISORY HAS BEEN
  CANCELLED. HOWEVER...A STORM SYSTEM WILL MOVE INTO THE NORTHERN
  ROCKIES ON THURSDAY. WIDESPREAD SNOWS AND GUSTY WINDS ARE
  EXPECTED THROUGH LATE THURSDAY NIGHT.

* SNOW ACCUMULATIONS...4 TO 6 INCHES OVER THE PLAINS. UP TO 12
  INCHES IN THE MOUNTAINS.

* WINDS...NORTHWEST 5 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* WEB PAGE: TO SEE A GRAPHICAL REPRESENTATION OF THIS HAZARD 
  PLEASE VISIT OUR WEB PAGE AND CLICK ON THE DETAILED HAZARDS 
  TAB.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.

&&

$$

MTZ013-132300-
/O.NEW.KTFX.WS.A.0004.161215T1300Z-161216T1300Z/
/O.CON.KTFX.WC.Y.0003.000000T0000Z-161213T1900Z/
CHOUTEAU-
INCLUDING THE FOLLOWING LOCATIONS...BIG SANDY...FORT BENTON
325 AM MST TUE DEC 13 2016

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON MST TODAY...
...WINTER STORM WATCH IN EFFECT FROM THURSDAY MORNING THROUGH
LATE THURSDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM THURSDAY MORNING THROUGH
LATE THURSDAY NIGHT.

* LOCATIONS...BIG SANDY...FORT BENTON.

* TIMING...AN ARCTIC AIRMASS AND BRISK WINDS WILL PRODUCE
  SIGNIFICANT WIND CHILLS THROUGH LATE TUESDAY MORNING.
  ADDITIONALLY...A STORM SYSTEM WILL MOVE INTO THE NORTHERN
  ROCKIES ON THURSDAY. WIDESPREAD SNOWS AND GUSTY WINDS ARE
  EXPECTED THROUGH EARLY FRIDAY MORNING

* SNOW ACCUMULATIONS...3 TO 6 INCHES.

* WINDS...NORTHWEST 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* WIND CHILL...AS LOW AS 25 BELOW.

* IMPACTS...FROSTBITE CAN OCCUR ON EXPOSED SKIN WITHIN 30 
  MINUTES.

* WEB PAGE: TO SEE A GRAPHICAL REPRESENTATION OF THIS HAZARD 
  PLEASE VISIT OUR WEB PAGE AND CLICK ON THE DETAILED HAZARDS 
  TAB.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND BRISK 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.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.

&&

$$

MTZ009>011-044>047-131900-
/O.CON.KTFX.WC.Y.0003.000000T0000Z-161213T1900Z/
NORTHERN ROCKY MOUNTAIN FRONT-EASTERN GLACIER-HILL-TOOLE-LIBERTY-
EASTERN PONDERA-BLAINE-
INCLUDING THE FOLLOWING LOCATIONS...BROWNING...MARIAS PASS...
LOGAN PASS...CUT BANK...HAVRE...SHELBY...CHESTER...CONRAD...
CHINOOK
325 AM MST TUE DEC 13 2016

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

* LOCATIONS...CHESTER...SHELBY...CHINOOK...BROWNING...MARIAS 
  PASS...LOGAN PASS...CONRAD...HAVRE...CUT BANK.

* TIMING...AN ARCTIC AIRMASS AND BRISK WINDS WILL PRODUCE
  SIGNIFICANT WIND CHILLS THROUGH LATE TUESDAY MORNING.

* WIND CHILL...AS LOW AS 30 BELOW DUE TO TEMPERATURES 11 BELOW TO
  8 ABOVE ZERO...AND NORTHWEST WINDS 5 TO 15 MPH WITH GUSTS UP TO
  25 MPH.

* IMPACTS...FROSTBITE CAN OCCUR ON EXPOSED SKIN WITHIN 30 
  MINUTES.

* WEB PAGE: TO SEE A GRAPHICAL REPRESENTATION OF THIS HAZARD 
  PLEASE VISIT OUR WEB PAGE AND CLICK ON THE DETAILED HAZARDS 
  TAB.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND BRISK 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.

&&

$$

MTZ008-014-015-052>055-132300-
/O.NEW.KTFX.WS.A.0004.161215T0100Z-161216T1300Z/
BEAVERHEAD-CENTRAL AND SOUTHERN LEWIS AND CLARK-MADISON-JEFFERSON-
BROADWATER-MEAGHER-GALLATIN-
INCLUDING THE FOLLOWING LOCATIONS...BIG HOLE PASS...
CHIEF JOSEPH PASS...DILLON...MONIDA PASS...FLESHER PASS...
HELENA...LINCOLN...MACDONALD PASS...ROGERS PASS...ENNIS...
NORRIS HILL...RAYNOLDS PASS...TWIN BRIDGES...BOULDER...
BOULDER HILL...ELK PARK PASS...HOMESTAKE PASS...WHITEHALL...
TOWNSEND...WHITE SULPHUR SPRINGS...BATTLE RIDGE PASS...BOZEMAN...
BOZEMAN PASS...TARGHEE PASS...WEST YELLOWSTONE
325 AM MST TUE DEC 13 2016

...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH
LATE THURSDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM WEDNESDAY EVENING THROUGH
LATE THURSDAY NIGHT.

* LOCATIONS...BIG HOLE PASS...CHIEF JOSEPH PASS...DILLON...
  MONIDA PASS...FLESHER PASS...HELENA...LINCOLN...MACDONALD 
  PASS...ROGERS PASS...ENNIS...NORRIS HILL...RAYNOLDS PASS...
  TWIN BRIDGES... BOULDER...BOULDER HILL...ELK PARK PASS...
  HOMESTAKE PASS... WHITEHALL...TOWNSEND...WHITE SULPHUR 
  SPRINGS...BATTLE RIDGE PASS...BOZEMAN...BOZEMAN PASS...TARGHEE 
  PASS...WEST YELLOWSTONE.

* TIMING...A STORM SYSTEM WILL MOVE INTO THE NORTHERN ROCKIES
  WEDNESDAY EVENING. WIDESPREAD SNOWS AND GUSTY WINDS ARE
  EXPECTED THROUGH EARLY FRIDAY MORNING

* SNOW ACCUMULATIONS...4 TO 6 INCHES AT LOWER ELEVATIONS. UP TO 18
  INCHES IN THE MOUNTAINS.

* WINDS...NORTHWEST 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* WEB PAGE: TO SEE A GRAPHICAL REPRESENTATION OF THIS HAZARD 
  PLEASE VISIT OUR WEB PAGE AND CLICK ON THE DETAILED HAZARDS 
  TAB.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.

&&

$$

MTZ012-048-132300-
/O.NEW.KTFX.WS.A.0004.161215T1300Z-161216T1300Z/
CASCADE-SOUTHERN ROCKY MOUNTAIN FRONT-
INCLUDING THE FOLLOWING LOCATIONS...GREAT FALLS...
KINGS HILL PASS...CHOTEAU
325 AM MST TUE DEC 13 2016

...WINTER STORM WATCH IN EFFECT FROM THURSDAY MORNING THROUGH
LATE THURSDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM THURSDAY MORNING THROUGH
LATE THURSDAY NIGHT.

* LOCATIONS...GREAT FALLS...KINGS HILL PASS...CHOTEAU.

* TIMING...A STORM SYSTEM WILL MOVE INTO THE NORTHERN ROCKIES ON
  THURSDAY. WIDESPREAD SNOWS AND GUSTY WINDS ARE EXPECTED THROUGH
  EARLY FRIDAY MORNING

* SNOW ACCUMULATIONS...4 TO 6 INCHES OVER THE PLAINS. UP TO 12
  INCHES IN THE MOUNTAINS.

* WINDS...NORTH 5 TO 15 MPH.

* WEB PAGE: TO SEE A GRAPHICAL REPRESENTATION OF THIS HAZARD 
  PLEASE VISIT OUR WEB PAGE AND CLICK ON THE DETAILED HAZARDS 
  TAB.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.

&&

$$
285 
WWUS45 KTFX 131645
WSWTFX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
945 AM MST TUE DEC 13 2016

MTZ013-140600-
/O.CAN.KTFX.WC.Y.0003.000000T0000Z-161213T1900Z/
/O.CON.KTFX.WS.A.0004.161215T1300Z-161216T1300Z/
CHOUTEAU-
INCLUDING THE FOLLOWING LOCATIONS...BIG SANDY...FORT BENTON
945 AM MST TUE DEC 13 2016

...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH LATE THURSDAY NIGHT...
...WIND CHILL ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS CANCELLED THE
WIND CHILL ADVISORY.

* LOCATIONS...BIG SANDY...FORT BENTON.

* TIMING...WIND CHILLS ARE EXPECTED TO PREDOMINANTLY BE ABOVE -20
  DEGREES FAHRENHEIT THE REST OF THIS MORNING THROUGH AT LEAST
  AFTERNOON. A STORM SYSTEM WILL MOVE INTO THE NORTHERN ROCKIES ON
  THURSDAY. WIDESPREAD SNOW AND GUSTY WINDS ARE EXPECTED THROUGH
  EARLY FRIDAY MORNING

* SNOW ACCUMULATIONS...3 TO 6 INCHES.

* WINDS...NORTHWEST 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* WEB PAGE: TO SEE A GRAPHICAL REPRESENTATION OF THIS HAZARD 
  PLEASE VISIT OUR WEB PAGE AND CLICK ON THE DETAILED HAZARDS 
  TAB.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.

&&

$$

MTZ009>011-044>047-131745-
/O.CAN.KTFX.WC.Y.0003.000000T0000Z-161213T1900Z/
NORTHERN ROCKY MOUNTAIN FRONT-EASTERN GLACIER-HILL-TOOLE-LIBERTY-
EASTERN PONDERA-BLAINE-
945 AM MST TUE DEC 13 2016

...WIND CHILL ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS CANCELLED THE
WIND CHILL ADVISORY.

WIND CHILLS ARE EXPECTED TO PREDOMINANTLY BE ABOVE -20 DEGREES
FAHRENHEIT THE REST OF THIS MORNING THROUGH AT LEAST AFTERNOON.



$$

MTZ008-014-015-052>055-140600-
/O.CON.KTFX.WS.A.0004.161215T0100Z-161216T1300Z/
BEAVERHEAD-CENTRAL AND SOUTHERN LEWIS AND CLARK-MADISON-JEFFERSON-
BROADWATER-MEAGHER-GALLATIN-
INCLUDING THE FOLLOWING LOCATIONS...BIG HOLE PASS...
CHIEF JOSEPH PASS...DILLON...MONIDA PASS...FLESHER PASS...
HELENA...LINCOLN...MACDONALD PASS...ROGERS PASS...ENNIS...
NORRIS HILL...RAYNOLDS PASS...TWIN BRIDGES...BOULDER...
BOULDER HILL...ELK PARK PASS...HOMESTAKE PASS...WHITEHALL...
TOWNSEND...WHITE SULPHUR SPRINGS...BATTLE RIDGE PASS...BOZEMAN...
BOZEMAN PASS...TARGHEE PASS...WEST YELLOWSTONE
945 AM MST TUE DEC 13 2016

...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY EVENING
THROUGH LATE THURSDAY NIGHT...

* LOCATIONS...WHITE SULPHUR SPRINGS...BATTLE RIDGE PASS... 
  BOZEMAN...BOZEMAN PASS...TARGHEE PASS...WEST YELLOWSTONE... 
  BOULDER...BOULDER HILL...ELK PARK PASS...HOMESTAKE PASS... 
  WHITEHALL...BIG HOLE PASS...CHIEF JOSEPH PASS...DILLON...
  MONIDA PASS...TOWNSEND...FLESHER PASS...HELENA...LINCOLN...
  MACDONALD PASS...ROGERS PASS...ENNIS...NORRIS HILL...RAYNOLDS 
  PASS...TWIN BRIDGES.

* TIMING...A STORM SYSTEM WILL MOVE INTO THE NORTHERN ROCKIES
  WEDNESDAY EVENING. WIDESPREAD SNOW AND GUSTY WINDS ARE EXPECTED
  THROUGH EARLY FRIDAY MORNING

* SNOW ACCUMULATIONS...4 TO 6 INCHES AT LOWER ELEVATIONS. UP TO 18
  INCHES IN THE MOUNTAINS. 

* WINDS...SOUTHWEST 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* WEB PAGE: TO SEE A GRAPHICAL REPRESENTATION OF THIS HAZARD 
  PLEASE VISIT OUR WEB PAGE AND CLICK ON THE DETAILED HAZARDS 
  TAB.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.

&&

$$

MTZ012-048>051-140600-
/O.CON.KTFX.WS.A.0004.161215T1300Z-161216T1300Z/
CASCADE-SOUTHERN ROCKY MOUNTAIN FRONT-EASTERN TETON-JUDITH BASIN-
FERGUS-
INCLUDING THE FOLLOWING LOCATIONS...GREAT FALLS...
KINGS HILL PASS...CHOTEAU...FAIRFIELD...STANFORD...LEWISTOWN...
LEWISTOWN DIVIDE
945 AM MST TUE DEC 13 2016

...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH LATE THURSDAY NIGHT...

* LOCATIONS...FAIRFIELD...CHOTEAU...STANFORD...LEWISTOWN... 
  LEWISTOWN DIVIDE...GREAT FALLS...KINGS HILL PASS.

* TIMING...APPARENT TEMPERATURES REMAIN WARMER THAN 20 DEGREES 
  BELOW ZERO. AS A RESULT...THE WIND CHILL ADVISORY HAS BEEN 
  CANCELLED. HOWEVER...A STORM SYSTEM WILL MOVE INTO THE 
  NORTHERN ROCKIES ON THURSDAY. WIDESPREAD SNOWS AND GUSTY WINDS 
  ARE EXPECTED THROUGH LATE THURSDAY NIGHT.

* SNOW ACCUMULATIONS...3 TO 6 INCHES OVER THE PLAINS. UP TO 12
  INCHES IN THE MOUNTAINS.

* WINDS...NORTH 5 TO 10 MPH.

* WEB PAGE: TO SEE A GRAPHICAL REPRESENTATION OF THIS HAZARD 
  PLEASE VISIT OUR WEB PAGE AND CLICK ON THE DETAILED HAZARDS 
  TAB.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.

&&

$$

What forecasters said that day

The local office's own words before this wind chill advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Great Falls, MT wrote its last area forecast discussion before this wind chill advisory went out at Dec 11, 10:55 PM MST, 4 hours 14 minutes earlier.

Area forecast discussion, Dec 11, 10:55 PM MST, 4 hours 14 minutes before
Area Forecast Discussion
National Weather Service Great Falls MT
1055 PM MST Sun Dec 11 2016

Aviation Section Updated

.UPDATE...
Current Winter Weather Advisories remain in effect with no changes
at this time.

The surface cold front that moved through the Hiline and central
MT counties this aftn has struggled to make it through the Big and
Little Belt Mtns as at 8 pm, winds have not yet shifted to
northerly and temps remain in the upper teens to mid 20s at
locations from near Helena to White Sulphur Springs. Meanwhile,
areas behind the front have already cooled to around zero to 5
below zero. Latest short-range forecast models show the front
lingering near its current location through the overnight hours,
which keep low temps in the teens across most of southwest MT.

Radar imagery shows widespread light snow currently falling over
much of central MT from just south of Cut Bank to near Townsend,
and also across Hill and Blaine counties. Those areas will be the
main locations for snow continuing into Mon morning with a few
inches of accumulation expected, while more spotty coverage of
snow and lesser accumulations will develop later tonight in
southwest MT.

&&

.AVIATION...Updated 0555Z.

Moisture west of the Continental Divide has finally made it east out
over the plains of central Montana, mainly impacting KGTF/KLWT as of
0550Z. At this point, thinking the lowest CIGS/VIS will be at those
TAF sites through tonight where occasional LIFR conditions will be
possible. Elsewhere, light snow may cause occasional MVFR CIGS/VIS,
especially KHLN/KCTB/KHVR. At KEKS/KBZN, SHSN are possible overnight
into Monday, but confidence remains low that SHSN will impact those
sites and for this reason I have continued to leave precip out for
now. Later forecasts may need to add snow if confidence increases.
SHSN will gradually taper off from north to south Monday afternoon
as drier air works into the area. Martin

&&

.PREV DISCUSSION...
/ISSUED 501 PM MST Sun Dec 11 2016/

Tonight...WV imagery showing our impending arctic front in the
southern third of Alberta. Forecast models still indicating
widespread snow developing this evening through tonight and into
Monday. This mornings model runs show a sneaky band of snow across
central portions by about mid this evening from about KGTF to
KLWT. So giving all this...Advisories across the Hi-Line remain
the same. The Rocky Mountain Front is now in a Winter Storm
Warning for up to a foot of snow getting to pass level. Central MT
Advisories were bumped up to start at 03Z for the mentioned
earlier band of snow...while the remainder of the advisories
remain the same. There was some consideration to add Gallatin
County into an Advisory. Snow levels are low to marginal creating
only some scattered impacts to the roads...however those across
the backcountry may see winter conditions and some considerable
avalanche danger. Given lower expected impacts...held off for now
but will continue to monitor. One other item to note from today is
although some areas warmed up...it did not get as far north as
anticipated. The winds did pick up slightly...but remained north
to northeast...and never fully mixed out. Unfortunately that was
some areas best shots of seeing warmer weather for a few days.

Monday through Tuesday...Arctic front continues to push southward
bringing more snow along and ahead of the front...with cold air
behind the front. Some areas of blowing snow will be possible.
Snow generally tapers off Monday night into Tuesday
morning...however could linger across southern portions into
Tuesday. By Monday evening new snow of 1-4 inches across the lower
elevations...and up to a foot in the western mountains...with 4 to
6 inches across the southern mountains. As mentioned cold air
will be in place behind this front. High temps will struggle to
get in the single digits north...with some 20s south. This
combined with some light breezes could bring dangerous wind chills
at times. Be sure to check the latest forecast and conditions
before venturing out. Anglin

Tuesday night through Sunday...Medium range models are in decent
agreement early in the forecast period. Models continue to show a
deep closed exiting northern Manitoba to the east. However, the
secondary low off the Pacific Northwest coast is now more of a weak
disturbance that is deformed toward the southwest and helps to build
short wave ridging over the Great Basin. As before, this pattern
puts the state beneath an unsettled northwest flow aloft with mostly
dry conditions across central and northern portions of the forecast
area while a slight chance for light snow persists over my southern
zones Tuesday night and Wednesday. By Thursday, models continue to
indicate that a positive-tilt trough will develop along the West
Coast then swing it inland across the Great Basin Thursday night
through Friday. This ends up developing a moderately strong storm
system across the Great Basin and central Rockies with wrap around
moisture now expected to impact central and southern portions of
Montana more strongly than earlier indicated. As a result, I have
bumped up PoPs for this time period. For the weekend, models
continue to indicate that the bulk of stormy weather will move into
the eastern USA with a drying trend and moderating temperatures
expected for Montana. mpj

&&

.PRELIMINARY POINT TEMPS/POPS...
GTF  -4   9  -4   9 /  50  60  10  10
CTB  -5   9 -11   8 /  50  40  10   0
HLN  11  15   5  17 /  70  70  40  20
BZN  18  25  10  22 /  30  30  40  20
WEY  10  21   1  18 /  60  40  30  20
DLN  15  28   7  22 /  30  20  20  10
HVR  -4   8  -7   6 /  60  40  10  10
LWT  -4   6  -7   7 /  60  60  10  10

&&

.TFX WATCHES/WARNINGS/ADVISORIES...
Winter Weather Advisory until 11 AM MST Monday Blaine...
Chouteau...Eastern Glacier...Eastern Pondera...Eastern Teton...
Hill...Liberty...Toole.

Winter Weather Advisory until 11 PM MST Monday Cascade...Central
and Southern Lewis and Clark...Fergus...Judith Basin...Meagher.

Winter Weather Advisory until 11 PM MST Monday Broadwater...
Jefferson.

Winter Storm Warning until 2 PM MST Monday Northern Rocky
Mountain Front...Southern Rocky Mountain Front.

&&

weather.gov/greatfalls

In the hours before

Local storm report, Dec 11, 11:54 PM MST, 3 hours 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
1154 PM MST SUN DEC 11 2016

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1000 PM     SNOW             9 NNW LINCOLN           47.08N 112.73W
12/11/2016  M8.0 INCH        LEWIS AND CLARK    MT   MESONET

            MESONET STATION COPPER CAMP SNOTEL /CPCM8/.

&&

NWS GREAT FALLS MT
IRIS SYSTEM
Local storm report, Dec 11, 11:55 PM MST, 3 hours 14 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
1155 PM MST SUN DEC 11 2016

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1000 PM     SNOW             18 NW LAKEVIEW          44.79N 112.06W
12/11/2016  M4.0 INCH        MADISON            MT   MESONET

            MESONET STATION DIVIDE SNOTEL /DIVM8/.

&&

NWS GREAT FALLS MT
IRIS SYSTEM
Local storm report, Dec 11, 11:56 PM MST, 3 hours 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
1156 PM MST SUN DEC 11 2016

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1000 PM     SNOW             14 SW HEART BUTTE       48.13N 113.02W
12/11/2016  M4.0 INCH        PONDERA            MT   MESONET

            MESONET STATION 14 SW HEART BUTTE /BADM8R2/.

&&

NWS GREAT FALLS MT
IRIS SYSTEM

Nearby

Wind Chill Advisories in Montana, 2016Every wind chill advisory 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.