Alert archive / Montana / Winter Storm Warnings in 2011

Winter Storm Warning 5, NWS Great Falls, MT

January 29, 2011

NWS Great Falls, MT issued this winter storm warning at Jan 29, 2011, 8:00 AM MST. It was in force for 29 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jan 29, 2011, 8:00 AM MST (15:00 UTC)
Expired
Jan 30, 2011, 1:24 PM MST
In force
29 hr
Issued by
NWS Great Falls, MT

The text

As transmitted, in the capitals the NWS used until 2016.

586 
WWUS45 KTFX 291500
WSWTFX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
800 AM MST SAT JAN 29 2011

MTZ009-048-292300-
/O.UPG.KTFX.WW.Y.0014.000000T0000Z-110131T0000Z/
/O.NEW.KTFX.WS.W.0005.110129T1500Z-110131T0000Z/
NORTHERN ROCKY MOUNTAIN FRONT-SOUTHERN ROCKY MOUNTAIN FRONT-
INCLUDING THE FOLLOWING LOCATIONS...BROWNING...MARIAS PASS...
LOGAN PASS...CHOTEAU
800 AM MST SAT JAN 29 2011

...WINTER STORM WARNING IN EFFECT UNTIL 5 PM MST SUNDAY...

THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS UPGRADED THE
WINTER WEATHER ADVISORY TO A WINTER STORM WARNING FOR HEAVY
SNOW...WHICH IS IN EFFECT UNTIL 5 PM MST SUNDAY.

* TIMING AND MAIN IMPACT: A STRONG CANADIAN WEATHER SYSTEM WILL
  BRING WIDESPREAD SNOW AND SHARPLY COLDER TEMPERATURES TO THE
  AREA BEGINNING TONIGHT AND CONTINUING THROUGH SUNDAY AFTERNOON.

* SNOW ACCUMULATIONS: 5 TO 10 INCHES OF SNOW ARE EXPECTED OVER
  LOWER ELEVATIONS...WHILE 8 TO 12 INCHES OF SNOW ARE POSSIBLE IN
  THE MOUNTAINS.

* WINDS AND VISIBILITY: NORTHERLY WINDS MAY GUST UP TO 25 MPH 
  AT TIMES...POSSIBLY REDUCING VISIBILITIES TO LESS THAN ONE 
  MILE AT TIMES IN HEAVIER BLOWING SNOW.

* OTHER IMPACTS: ROADS MAY BECOME SLIPPERY AS SNOW...ICE...AND
  SLUSH ACCUMULATE AND TEMPERATURES DROP SHARPLY OVER THE WEEKEND.
  HIGH TEMPERATURES ON SATURDAY WILL STEADILY FALL INTO THE
  SINGLE DIGITS ABOVE AND BELOW ZERO THROUGH SATURDAY NIGHT. HIGH
  TEMPERATURES ON SUNDAY WILL REMAIN IN THE SINGLE DIGITS ABOVE
  ZERO.

* LOCATIONS AFFECTED INCLUDE: CHOTEAU...BROWNING...MARIAS
  PASS...LOGAN PASS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN
AN EMERGENCY. IF YOU MUST...KEEP AN EXTRA FLASHLIGHT...FOOD...AND
WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

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

&&

$$

MTZ010>014-044>047-049>051-292300-
/O.CON.KTFX.WW.Y.0014.000000T0000Z-110131T0000Z/
EASTERN GLACIER-HILL-CASCADE-CHOUTEAU-
CENTRAL AND SOUTHERN LEWIS AND CLARK-TOOLE-LIBERTY-
EASTERN PONDERA-BLAINE-EASTERN TETON-JUDITH BASIN-FERGUS-
INCLUDING THE FOLLOWING LOCATIONS...CUT BANK...HAVRE...
GREAT FALLS...KINGS HILL PASS...BIG SANDY...FORT BENTON...
FLESHER PASS...HELENA...LINCOLN...MACDONALD PASS...ROGERS PASS...
SHELBY...CHESTER...CONRAD...CHINOOK...FAIRFIELD...STANFORD...
JUDITH GAP...LEWISTOWN...LEWISTOWN DIVIDE
800 AM MST SAT JAN 29 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
SUNDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
SUNDAY. 

* TIMING AND MAIN IMPACT: A STRONG CANADIAN WEATHER SYSTEM WILL 
  BRING WIDESPREAD LIGHT SNOW AND SHARPLY COLDER TEMPERATURES 
  TO THE AREA BEGINNING TONIGHT AND CONTINUING THROUGH SUNDAY 
  AFTERNOON.

* SNOW ACCUMULATIONS: 2 TO 5 INCHES OF SNOW ARE EXPECTED OVER 
  THE PLAINS AND LOWER ELEVATIONS...WHILE 6 TO 10 INCHES OF 
  SNOW ARE POSSIBLE IN THE MOUNTAINS.

* WINDS AND VISIBILITY: NORTHERLY WINDS MAY GUST UP TO 25 MPH 
  AT TIMES...POSSIBLY REDUCING VISIBILITIES TO LESS THAN ONE 
  MILE AT TIMES IN HEAVIER BLOWING SNOW.

* OTHER IMPACTS: ROADS MAY BECOME SLIPPERY AS SNOW...ICE...AND
  SLUSH ACCUMULATE AND TEMPERATURES DROP SHARPLY OVER THE WEEKEND.
  HIGH TEMPERATURES ON SATURDAY WILL STEADILY FALL INTO THE SINGLE
  DIGITS ABOVE AND BELOW ZERO THROUGH SATURDAY NIGHT. HIGH
  TEMPERATURES ON SUNDAY WILL REMAIN IN THE SINGLE DIGITS ABOVE
  ZERO.

* LOCATIONS AFFECTED INCLUDE: FAIRFIELD...CHESTER...STANFORD...
  CONRAD...SHELBY...CHINOOK...BIG SANDY...FORT BENTON... CUT 
  BANK...HAVRE...GREAT FALLS...KINGS HILL PASS... FLESHER 
  PASS...HELENA...LINCOLN...MACDONALD PASS... ROGERS PASS...
  JUDITH GAP...LEWISTOWN...LEWISTOWN DIVIDE 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

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

&&

$$

MTZ052>055-292300-
/O.CON.KTFX.WW.Y.0014.110130T0000Z-110131T0000Z/
JEFFERSON-BROADWATER-MEAGHER-GALLATIN-
INCLUDING THE FOLLOWING LOCATIONS...BOULDER...BOULDER HILL...
ELK PARK PASS...HOMESTAKE PASS...WHITEHALL...TOWNSEND...
WHITE SULPHUR SPRINGS...BATTLE RIDGE PASS...BOZEMAN...
BOZEMAN PASS...TARGHEE PASS...WEST YELLOWSTONE
800 AM MST SAT JAN 29 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 5 PM MST SUNDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 5 PM MST SUNDAY. 

* TIMING AND MAIN IMPACT: A STRONG CANADIAN WEATHER SYSTEM WILL 
  BRING WIDESPREAD LIGHT SNOW AND SHARPLY COLDER TEMPERATURES 
  TO THE AREA BEGINNING SATURDAY AFTERNOON AND CONTINUING 
  THROUGH SUNDAY AFTERNOON.

* SNOW ACCUMULATIONS: 2 TO 5 INCHES OF SNOW ARE EXPECTED IN 
  VALLEYS AND LOWER ELEVATIONS...WHILE 6 TO 10 INCHES OF SNOW 
  ARE POSSIBLE IN THE MOUNTAINS.

* WINDS AND VISIBILITY: WINDS WILL SHIFT MORE NORTHERLY AS A 
  COLD FRONT MOVES SOUTH THROUGH THE REGION SATURDAY NIGHT. 
  THESE WINDS MAY GUST UP TO 25 MPH AT TIMES...POSSIBLY 
  REDUCING VISIBILITIES TO LESS THAN ONE MILE AT TIMES IN 
  HEAVIER BLOWING SNOW.

* OTHER IMPACTS: ROADS MAY BECOME SLIPPERY AS SNOW...ICE...AND 
  SLUSH ACCUMULATE AND TEMPERATURES DROP SHARPLY OVER THE 
  WEEKEND WITH FRONTAL PASSAGE. HIGH TEMPERATURES ON SATURDAY 
  WILL REACH THE LOW TO MID 30S BUT THEN DECREASE TO THE LOW 
  TEENS BY SATURDAY NIGHT. HIGH TEMPERATURES ON SUNDAY WILL 
  ONLY REBOUND INTO THE TEENS TO MID 20S.

* LOCATIONS AFFECTED INCLUDE: WHITE SULPHUR SPRINGS...BATTLE 
  RIDGE PASS...BOZEMAN...BOZEMAN PASS...TARGHEE PASS... WEST 
  YELLOWSTONE...BOULDER...BOULDER HILL...ELK PARK PASS... 
  HOMESTAKE PASS...WHITEHALL...TOWNSEND 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

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

&&

$$
7 follow-up statements
043 
WWUS45 KTFX 292138
WSWTFX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
238 PM MST SAT JAN 29 2011

MTZ009-048-300600-
/O.CON.KTFX.WS.W.0005.000000T0000Z-110131T0000Z/
NORTHERN ROCKY MOUNTAIN FRONT-SOUTHERN ROCKY MOUNTAIN FRONT-
INCLUDING THE FOLLOWING LOCATIONS...BROWNING...MARIAS PASS...
LOGAN PASS...CHOTEAU
238 PM MST SAT JAN 29 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY. 

* TIMING AND MAIN IMPACT: A STRONG CANADIAN WEATHER SYSTEM WILL
  BRING WIDESPREAD SNOW AND SHARPLY COLDER TEMPERATURES TO THE
  AREA THROUGH SUNDAY AFTERNOON.

* SNOW ACCUMULATIONS: 5 TO 10 INCHES OF SNOW ARE EXPECTED OVER 
  LOWER ELEVATIONS...WHILE 8 TO 12 INCHES OF SNOW ARE POSSIBLE 
  IN THE MOUNTAINS.

* WINDS AND VISIBILITY: NORTHERLY WINDS MAY GUST UP TO 25 MPH 
  AT TIMES...POSSIBLY REDUCING VISIBILITIES TO LESS THAN ONE 
  MILE AT TIMES IN HEAVIER BLOWING SNOW.

* OTHER IMPACTS: ROADS MAY BECOME SLIPPERY AS SNOW...ICE...AND 
  SLUSH ACCUMULATE AND TEMPERATURES DROP SHARPLY OVER THE 
  WEEKEND. HIGH TEMPERATURES ON SATURDAY WILL STEADILY FALL 
  INTO THE SINGLE DIGITS ABOVE AND BELOW ZERO THROUGH SATURDAY 
  NIGHT. HIGH TEMPERATURES ON SUNDAY WILL REMAIN IN THE SINGLE 
  DIGITS ABOVE ZERO.

* LOCATIONS AFFECTED INCLUDE: CHOTEAU...BROWNING...MARIAS 
  PASS...LOGAN PASS 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN
AN EMERGENCY. IF YOU MUST...KEEP AN EXTRA FLASHLIGHT...FOOD...AND
WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

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

&&

$$

MTZ010>014-044>047-049>051-300600-
/O.CON.KTFX.WW.Y.0014.000000T0000Z-110131T0000Z/
EASTERN GLACIER-HILL-CASCADE-CHOUTEAU-
CENTRAL AND SOUTHERN LEWIS AND CLARK-TOOLE-LIBERTY-
EASTERN PONDERA-BLAINE-EASTERN TETON-JUDITH BASIN-FERGUS-
INCLUDING THE FOLLOWING LOCATIONS...CUT BANK...HAVRE...
GREAT FALLS...KINGS HILL PASS...BIG SANDY...FORT BENTON...
FLESHER PASS...HELENA...LINCOLN...MACDONALD PASS...ROGERS PASS...
SHELBY...CHESTER...CONRAD...CHINOOK...FAIRFIELD...STANFORD...
JUDITH GAP...LEWISTOWN...LEWISTOWN DIVIDE
238 PM MST SAT JAN 29 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
SUNDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
SUNDAY. 

* TIMING AND MAIN IMPACT: A STRONG CANADIAN WEATHER SYSTEM WILL
  BRING WIDESPREAD LIGHT SNOW AND SHARPLY COLDER TEMPERATURES TO
  THE AREA TONIGHT AND CONTINUING THROUGH SUNDAY AFTERNOON.

* SNOW ACCUMULATIONS: 2 TO 5 INCHES OF SNOW ARE EXPECTED OVER 
  THE PLAINS AND LOWER ELEVATIONS...WHILE 5 TO 10 INCHES OF 
  SNOW ARE POSSIBLE IN THE MOUNTAINS.

* WINDS AND VISIBILITY: NORTHERLY WINDS MAY GUST UP TO 25 MPH 
  AT TIMES...POSSIBLY REDUCING VISIBILITIES TO LESS THAN ONE 
  MILE AT TIMES IN HEAVIER BLOWING SNOW.

* OTHER IMPACTS: ROADS MAY BECOME SLIPPERY AS SNOW...ICE...AND 
  SLUSH ACCUMULATE AND TEMPERATURES DROP SHARPLY OVER THE 
  WEEKEND. HIGH TEMPERATURES ON SATURDAY WILL STEADILY FALL 
  INTO THE SINGLE DIGITS ABOVE AND BELOW ZERO THROUGH SATURDAY 
  NIGHT. HIGH TEMPERATURES ON SUNDAY WILL REMAIN IN THE SINGLE 
  DIGITS ABOVE ZERO.

* LOCATIONS AFFECTED INCLUDE: FAIRFIELD...CHESTER...STANFORD...
  CONRAD...SHELBY...CHINOOK...BIG SANDY...FORT BENTON... CUT 
  BANK...HAVRE...GREAT FALLS...KINGS HILL PASS... FLESHER 
  PASS...HELENA...LINCOLN...MACDONALD PASS... ROGERS PASS...
  JUDITH GAP...LEWISTOWN...LEWISTOWN DIVIDE 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

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

&&

$$

MTZ052>055-300600-
/O.CON.KTFX.WW.Y.0014.110130T0000Z-110131T0000Z/
JEFFERSON-BROADWATER-MEAGHER-GALLATIN-
INCLUDING THE FOLLOWING LOCATIONS...BOULDER...BOULDER HILL...
ELK PARK PASS...HOMESTAKE PASS...WHITEHALL...TOWNSEND...
WHITE SULPHUR SPRINGS...BATTLE RIDGE PASS...BOZEMAN...
BOZEMAN PASS...TARGHEE PASS...WEST YELLOWSTONE
238 PM MST SAT JAN 29 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
SUNDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
SUNDAY. 

* TIMING AND MAIN IMPACT: A STRONG CANADIAN WEATHER SYSTEM WILL 
  BRING WIDESPREAD LIGHT SNOW AND SHARPLY COLDER TEMPERATURES 
  TO THE AREA BEGINNING SATURDAY AFTERNOON AND CONTINUING 
  THROUGH SUNDAY AFTERNOON.

* SNOW ACCUMULATIONS: 2 TO 5 INCHES OF SNOW ARE EXPECTED IN 
  VALLEYS AND LOWER ELEVATIONS...WHILE 5 TO 10 INCHES OF SNOW 
  ARE POSSIBLE IN THE MOUNTAINS.

* WINDS AND VISIBILITY: WINDS WILL SHIFT MORE NORTHERLY AS A 
  COLD FRONT MOVES SOUTH THROUGH THE REGION SATURDAY NIGHT. 
  THESE WINDS MAY GUST UP TO 25 MPH AT TIMES...POSSIBLY 
  REDUCING VISIBILITIES TO LESS THAN ONE MILE AT TIMES IN 
  HEAVIER BLOWING SNOW.

* OTHER IMPACTS: ROADS MAY BECOME SLIPPERY AS SNOW...ICE...AND 
  SLUSH ACCUMULATE AND TEMPERATURES DROP SHARPLY OVER THE 
  WEEKEND WITH FRONTAL PASSAGE. HIGH TEMPERATURES ON SATURDAY 
  WILL REACH THE LOW TO MID 30S BUT THEN DECREASE TO THE LOW 
  TEENS BY SATURDAY NIGHT. HIGH TEMPERATURES ON SUNDAY WILL 
  ONLY REBOUND INTO THE TEENS TO MID 20S.

* LOCATIONS AFFECTED INCLUDE: WHITE SULPHUR SPRINGS...BATTLE 
  RIDGE PASS...BOZEMAN...BOZEMAN PASS...TARGHEE PASS... WEST 
  YELLOWSTONE...BOULDER...BOULDER HILL...ELK PARK PASS... 
  HOMESTAKE PASS...WHITEHALL...TOWNSEND 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

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

&&

$$
176 
WWUS45 KTFX 300011
WSWTFX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
511 PM MST SAT JAN 29 2011

MTZ011-047-300500-
/O.UPG.KTFX.WW.Y.0014.000000T0000Z-110131T0000Z/
/O.EXA.KTFX.WS.W.0005.000000T0000Z-110131T0000Z/
HILL-BLAINE-
INCLUDING THE FOLLOWING LOCATIONS...HAVRE...CHINOOK
511 PM MST SAT JAN 29 2011

...WINTER STORM WARNING IN EFFECT UNTIL 5 PM MST SUNDAY...

THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 5 PM MST
SUNDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT.

* TIMING AND MAIN IMPACT: A STRONG CANADIAN WEATHER SYSTEM WILL 
  BRING WIDESPREAD LIGHT SNOW AND SHARPLY COLDER TEMPERATURES 
  TO THE AREA TONIGHT AND CONTINUING THROUGH SUNDAY AFTERNOON.

* SNOW ACCUMULATIONS: 6 TO 10 INCHES OF SNOW ARE EXPECTED OVER THE
  PLAINS AND LOWER ELEVATIONS...WHILE 8 TO 12 INCHES OF SNOW ARE
  POSSIBLE IN THE MOUNTAINS.

* WINDS AND VISIBILITY: NORTHERLY WINDS MAY GUST UP TO 25 MPH 
  AT TIMES...POSSIBLY REDUCING VISIBILITIES TO LESS THAN ONE 
  MILE AT TIMES IN HEAVIER BLOWING SNOW.

* OTHER IMPACTS: ROADS MAY BECOME SLIPPERY AS SNOW...ICE...AND
  SLUSH ACCUMULATE AND TEMPERATURES DROP SHARPLY OVERNIGHT. HIGH
  TEMPERATURES ON SUNDAY WILL BE IN THE SINGLE DIGITS ABOVE ZERO.

* LOCATIONS AFFECTED INCLUDE: CHINOOK...HAVRE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN
AN EMERGENCY. IF YOU MUST...KEEP AN EXTRA FLASHLIGHT...FOOD...AND
WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

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

&&

$$

MTZ009-048-300500-
/O.CON.KTFX.WS.W.0005.000000T0000Z-110131T0000Z/
NORTHERN ROCKY MOUNTAIN FRONT-SOUTHERN ROCKY MOUNTAIN FRONT-
INCLUDING THE FOLLOWING LOCATIONS...BROWNING...MARIAS PASS...
LOGAN PASS...CHOTEAU
511 PM MST SAT JAN 29 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY. 

* TIMING AND MAIN IMPACT: A STRONG CANADIAN WEATHER SYSTEM WILL 
  BRING WIDESPREAD SNOW AND SHARPLY COLDER TEMPERATURES TO THE 
  AREA THROUGH SUNDAY AFTERNOON.

* SNOW ACCUMULATIONS: 5 TO 10 INCHES OF SNOW ARE EXPECTED OVER 
  LOWER ELEVATIONS...WHILE 8 TO 12 INCHES OF SNOW ARE POSSIBLE 
  IN THE MOUNTAINS.

* WINDS AND VISIBILITY: NORTHERLY WINDS MAY GUST UP TO 25 MPH 
  AT TIMES...POSSIBLY REDUCING VISIBILITIES TO LESS THAN ONE 
  MILE AT TIMES IN HEAVIER BLOWING SNOW.

* OTHER IMPACTS: ROADS MAY BECOME SLIPPERY AS SNOW...ICE...AND 
  SLUSH ACCUMULATE AND TEMPERATURES DROP SHARPLY OVER THE 
  WEEKEND. HIGH TEMPERATURES ON SATURDAY WILL STEADILY FALL 
  INTO THE SINGLE DIGITS ABOVE AND BELOW ZERO THROUGH SATURDAY 
  NIGHT. HIGH TEMPERATURES ON SUNDAY WILL REMAIN IN THE SINGLE 
  DIGITS ABOVE ZERO.

* LOCATIONS AFFECTED INCLUDE: CHOTEAU...BROWNING...MARIAS 
  PASS...LOGAN PASS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN
AN EMERGENCY. IF YOU MUST...KEEP AN EXTRA FLASHLIGHT...FOOD...AND
WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

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

&&

$$

MTZ010-012>014-044>046-049>055-300500-
/O.CON.KTFX.WW.Y.0014.000000T0000Z-110131T0000Z/
EASTERN GLACIER-CASCADE-CHOUTEAU-
CENTRAL AND SOUTHERN LEWIS AND CLARK-TOOLE-LIBERTY-
EASTERN PONDERA-EASTERN TETON-JUDITH BASIN-FERGUS-JEFFERSON-
BROADWATER-MEAGHER-GALLATIN-
INCLUDING THE FOLLOWING LOCATIONS...CUT BANK...GREAT FALLS...
KINGS HILL PASS...BIG SANDY...FORT BENTON...FLESHER PASS...
HELENA...LINCOLN...MACDONALD PASS...ROGERS PASS...SHELBY...
CHESTER...CONRAD...FAIRFIELD...STANFORD...JUDITH GAP...
LEWISTOWN...LEWISTOWN DIVIDE...BOULDER...BOULDER HILL...
ELK PARK PASS...HOMESTAKE PASS...WHITEHALL...TOWNSEND...
WHITE SULPHUR SPRINGS...BATTLE RIDGE PASS...BOZEMAN...
BOZEMAN PASS...TARGHEE PASS...WEST YELLOWSTONE
511 PM MST SAT JAN 29 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
SUNDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
SUNDAY. 

* TIMING AND MAIN IMPACT: A STRONG CANADIAN WEATHER SYSTEM WILL 
  BRING WIDESPREAD LIGHT SNOW AND SHARPLY COLDER TEMPERATURES 
  TO THE AREA TONIGHT AND CONTINUING THROUGH SUNDAY AFTERNOON.

* SNOW ACCUMULATIONS: 2 TO 5 INCHES OF SNOW ARE EXPECTED OVER 
  THE PLAINS AND LOWER ELEVATIONS...WHILE 5 TO 10 INCHES OF 
  SNOW ARE POSSIBLE IN THE MOUNTAINS.

* WINDS AND VISIBILITY: NORTHERLY WINDS MAY GUST UP TO 25 MPH 
  AT TIMES...POSSIBLY REDUCING VISIBILITIES TO LESS THAN ONE 
  MILE AT TIMES IN HEAVIER BLOWING SNOW.

* OTHER IMPACTS: ROADS MAY BECOME SLIPPERY AS SNOW...ICE...AND 
  SLUSH ACCUMULATE AND TEMPERATURES DROP SHARPLY OVER THE 
  WEEKEND. HIGH TEMPERATURES ON SATURDAY WILL STEADILY FALL 
  INTO THE SINGLE DIGITS ABOVE AND BELOW ZERO THROUGH SATURDAY 
  NIGHT. HIGH TEMPERATURES ON SUNDAY WILL REMAIN IN THE SINGLE 
  DIGITS ABOVE ZERO.

* LOCATIONS AFFECTED INCLUDE: FAIRFIELD...CHESTER...WHITE 
  SULPHUR SPRINGS...BATTLE RIDGE PASS...BOZEMAN... BOZEMAN 
  PASS...TARGHEE PASS...WEST YELLOWSTONE...STANFORD... 
  CONRAD...BOULDER...BOULDER HILL...ELK PARK PASS... HOMESTAKE 
  PASS...WHITEHALL...SHELBY...BIG SANDY... FORT BENTON...CUT 
  BANK...GREAT FALLS...KINGS HILL PASS... TOWNSEND...FLESHER 
  PASS...HELENA...LINCOLN... MACDONALD PASS...ROGERS PASS...
  JUDITH GAP...LEWISTOWN... LEWISTOWN DIVIDE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

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

&&

$$
510 
WWUS45 KTFX 300442
WSWTFX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
942 PM MST SAT JAN 29 2011

MTZ009-011-047-048-301300-
/O.CON.KTFX.WS.W.0005.000000T0000Z-110131T0000Z/
NORTHERN ROCKY MOUNTAIN FRONT-HILL-BLAINE-
SOUTHERN ROCKY MOUNTAIN FRONT-
INCLUDING THE FOLLOWING LOCATIONS...BROWNING...MARIAS PASS...
LOGAN PASS...HAVRE...CHINOOK...CHOTEAU
942 PM MST SAT JAN 29 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY. 

* TIMING AND MAIN IMPACT: A STRONG CANADIAN WEATHER SYSTEM WILL 
  BRING WIDESPREAD SNOW AND SHARPLY COLDER TEMPERATURES TO THE 
  AREA THROUGH SUNDAY AFTERNOON.

* SNOW ACCUMULATIONS: 5 TO 10 INCHES OF SNOW ARE EXPECTED OVER 
  LOWER ELEVATIONS...WHILE 8 TO 12 INCHES OF SNOW ARE POSSIBLE 
  IN THE MOUNTAINS.

* WINDS AND VISIBILITY: NORTHERLY WINDS MAY GUST UP TO 25 MPH 
  AT TIMES...POSSIBLY REDUCING VISIBILITIES TO LESS THAN ONE 
  MILE AT TIMES IN HEAVIER BLOWING SNOW.

* OTHER IMPACTS: ROADS MAY BECOME SLIPPERY AS SNOW...ICE...AND 
  SLUSH ACCUMULATE AND TEMPERATURES DROP SHARPLY OVER THE 
  WEEKEND. HIGH TEMPERATURES ON SATURDAY WILL STEADILY FALL 
  INTO THE SINGLE DIGITS ABOVE AND BELOW ZERO THROUGH SATURDAY 
  NIGHT. HIGH TEMPERATURES ON SUNDAY WILL REMAIN IN THE SINGLE 
  DIGITS ABOVE ZERO.

* LOCATIONS AFFECTED INCLUDE: CHOTEAU...CHINOOK...BROWNING...
  MARIAS PASS...LOGAN PASS...HAVRE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN
AN EMERGENCY. IF YOU MUST...KEEP AN EXTRA FLASHLIGHT...FOOD...AND
WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

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

&&

$$

MTZ010-012>014-044>046-049>055-301300-
/O.CON.KTFX.WW.Y.0014.000000T0000Z-110131T0000Z/
EASTERN GLACIER-CASCADE-CHOUTEAU-
CENTRAL AND SOUTHERN LEWIS AND CLARK-TOOLE-LIBERTY-
EASTERN PONDERA-EASTERN TETON-JUDITH BASIN-FERGUS-JEFFERSON-
BROADWATER-MEAGHER-GALLATIN-
INCLUDING THE FOLLOWING LOCATIONS...CUT BANK...GREAT FALLS...
KINGS HILL PASS...BIG SANDY...FORT BENTON...FLESHER PASS...
HELENA...LINCOLN...MACDONALD PASS...ROGERS PASS...SHELBY...
CHESTER...CONRAD...FAIRFIELD...STANFORD...JUDITH GAP...
LEWISTOWN...LEWISTOWN DIVIDE...BOULDER...BOULDER HILL...
ELK PARK PASS...HOMESTAKE PASS...WHITEHALL...TOWNSEND...
WHITE SULPHUR SPRINGS...BATTLE RIDGE PASS...BOZEMAN...
BOZEMAN PASS...TARGHEE PASS...WEST YELLOWSTONE
942 PM MST SAT JAN 29 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
SUNDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
SUNDAY. 

* TIMING AND MAIN IMPACT: A STRONG CANADIAN WEATHER SYSTEM WILL 
  BRING WIDESPREAD LIGHT SNOW AND SHARPLY COLDER TEMPERATURES 
  TO THE AREA TONIGHT AND CONTINUING THROUGH SUNDAY AFTERNOON.

* SNOW ACCUMULATIONS: 2 TO 5 INCHES OF SNOW ARE EXPECTED OVER 
  THE PLAINS AND LOWER ELEVATIONS...WHILE 5 TO 10 INCHES OF 
  SNOW ARE POSSIBLE IN THE MOUNTAINS.

* WINDS AND VISIBILITY: NORTHERLY WINDS MAY GUST UP TO 25 MPH 
  AT TIMES...POSSIBLY REDUCING VISIBILITIES TO LESS THAN ONE 
  MILE AT TIMES IN HEAVIER BLOWING SNOW.

* OTHER IMPACTS: ROADS MAY BECOME SLIPPERY AS SNOW...ICE...AND 
  SLUSH ACCUMULATE AND TEMPERATURES DROP SHARPLY OVER THE 
  WEEKEND. HIGH TEMPERATURES ON SATURDAY WILL STEADILY FALL 
  INTO THE SINGLE DIGITS ABOVE AND BELOW ZERO THROUGH SATURDAY 
  NIGHT. HIGH TEMPERATURES ON SUNDAY WILL REMAIN IN THE SINGLE 
  DIGITS ABOVE ZERO.

* LOCATIONS AFFECTED INCLUDE: FAIRFIELD...CHESTER...WHITE 
  SULPHUR SPRINGS...BATTLE RIDGE PASS...BOZEMAN... BOZEMAN 
  PASS...TARGHEE PASS...WEST YELLOWSTONE...STANFORD... 
  CONRAD...BOULDER...BOULDER HILL...ELK PARK PASS... HOMESTAKE 
  PASS...WHITEHALL...SHELBY...BIG SANDY... FORT BENTON...CUT 
  BANK...GREAT FALLS...KINGS HILL PASS... TOWNSEND...FLESHER 
  PASS...HELENA...LINCOLN... MACDONALD PASS...ROGERS PASS...
  JUDITH GAP...LEWISTOWN... LEWISTOWN DIVIDE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

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

&&

$$
705 
WWUS45 KTFX 301152
WSWTFX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
452 AM MST SUN JAN 30 2011

MTZ009-011-047-048-302230-
/O.CON.KTFX.WS.W.0005.000000T0000Z-110131T0000Z/
NORTHERN ROCKY MOUNTAIN FRONT-HILL-BLAINE-
SOUTHERN ROCKY MOUNTAIN FRONT-
INCLUDING THE FOLLOWING LOCATIONS...BROWNING...MARIAS PASS...
LOGAN PASS...HAVRE...CHINOOK...CHOTEAU
452 AM MST SUN JAN 30 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON. 

* TIMING AND MAIN IMPACT: A STRONG CANADIAN WEATHER SYSTEM WILL
  CONTINUE TO PRODUCE WIDESPREAD LIGHT SNOW TODAY. MUCH COLDER
  TEMPERATURES AND VERY COLD WIND CHILL VALUES ARE EXPECTED
  THROUGH THIS EVENING.

* SNOW ACCUMULATIONS: NEW ACCUMULATIONS OF 1 TO 3 INCHES ARE
  EXPECTED TODAY WITH STORM TOTAL ACCUMULATIONS 5 TO 10 INCHES AT
  LOWER ELEVATIONS AND 8 TO 12 INCHES IN THE MOUNTAINS BY LATE
  THIS AFTERNOON.

* OTHER IMPACTS: A VERY COLD AIRMASS WILL CONTINUE TO MOVE INTO
  THE REGION TODAY WITH TEMPERATURES GRADUALLY FALLING THROUGH THE
  DAY. NORTH WINDS AROUND 10 MPH WILL PRODUCE WIND CHILL VALUES OF
  15 BELOW TO 20 BELOW ZERO BY THIS AFTERNOON AND EVENING WITH
  LOCALLY COLDER VALUES POSSIBLE. 

* LOCATIONS AFFECTED INCLUDE: CHOTEAU...CHINOOK...BROWNING...
  MARIAS PASS...LOGAN PASS...HAVRE 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN
AN EMERGENCY. IF YOU MUST...KEEP AN EXTRA FLASHLIGHT...FOOD...AND
WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

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

&&

$$

MTZ052>055-302230-
/O.EXT.KTFX.WW.Y.0014.000000T0000Z-110131T1200Z/
JEFFERSON-BROADWATER-MEAGHER-GALLATIN-
INCLUDING THE FOLLOWING LOCATIONS...BOULDER...BOULDER HILL...
ELK PARK PASS...HOMESTAKE PASS...WHITEHALL...TOWNSEND...
WHITE SULPHUR SPRINGS...BATTLE RIDGE PASS...BOZEMAN...
BOZEMAN PASS...TARGHEE PASS...WEST YELLOWSTONE
452 AM MST SUN JAN 30 2011

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

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 5 AM MST
MONDAY. 

* TIMING AND MAIN IMPACT: A STRONG CANADIAN WEATHER SYSTEM WILL
  CONTINUE TO MOVE INTO THE REGION WITH WIDESPREAD LIGHT SNOW
  DEVELOPING AND CONTINUING THROUGH THIS EVENING. MUCH COLDER
  TEMPERATURES ARE ALSO MOVING INTO THE AREA WITH FALLING
  TEMPERATURES THROUGH THIS AFTERNOON.

* SNOW ACCUMULATIONS: 2 TO 4 INCHES OF SNOW ARE EXPECTED IN THE
  VALLEYS WITH 4 TO 8 INCHES IN THE MOUNTAINS BY LATE TONIGHT.

* OTHER IMPACTS: AREA ROADS WILL BECOME SLIPPERY AS SNOW
  ACCUMULATES AND TEMPERATURES DROP SHARPLY TODAY. 

* LOCATIONS AFFECTED INCLUDE: WHITE SULPHUR SPRINGS...BATTLE 
  RIDGE PASS...BOZEMAN...BOZEMAN PASS...TARGHEE PASS... WEST 
  YELLOWSTONE...BOULDER...BOULDER HILL...ELK PARK PASS... 
  HOMESTAKE PASS...WHITEHALL...TOWNSEND 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

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

&&

$$

MTZ010-012>014-044>046-049>051-302230-
/O.CON.KTFX.WW.Y.0014.000000T0000Z-110131T0000Z/
EASTERN GLACIER-CASCADE-CHOUTEAU-
CENTRAL AND SOUTHERN LEWIS AND CLARK-TOOLE-LIBERTY-
EASTERN PONDERA-EASTERN TETON-JUDITH BASIN-FERGUS-
INCLUDING THE FOLLOWING LOCATIONS...CUT BANK...GREAT FALLS...
KINGS HILL PASS...BIG SANDY...FORT BENTON...FLESHER PASS...
HELENA...LINCOLN...MACDONALD PASS...ROGERS PASS...SHELBY...
CHESTER...CONRAD...FAIRFIELD...STANFORD...JUDITH GAP...
LEWISTOWN...LEWISTOWN DIVIDE
452 AM MST SUN JAN 30 2011

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

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

* TIMING AND MAIN IMPACT: A STRONG CANADIAN WEATHER SYSTEM WILL
  CONTINUE TO PRODUCE WIDESPREAD LIGHT SNOW TODAY. MUCH COLDER
  TEMPERATURES AND VERY COLD WIND CHILL VALUES ARE EXPECTED
  THROUGH THIS EVENING.

* SNOW ACCUMULATIONS: NEW SNOW ACCUMULATIONS OF 1 TO 3 INCHES ARE
  EXPECTED TODAY WITH STORM TOTAL ACCUMULATIONS 2 TO 5 INCHES AT
  LOWER ELEVATIONS AND 5 TO 10 INCHES IN THE MOUNTAINS BY LATE
  THIS AFTERNOON.

* OTHER IMPACTS: A VERY COLD AIRMASS WILL CONTINUE TO MOVE INTO
  THE REGION TODAY WITH TEMPERATURES GRADUALLY FALLING THROUGH THE
  DAY. NORTH WINDS AROUND 10 MPH WILL PRODUCE WIND CHILL VALUES OF
  15 BELOW TO 20 BELOW ZERO BY THIS AFTERNOON AND EVENING WITH
  LOCALLY COLDER VALUES POSSIBLE. 

* LOCATIONS AFFECTED INCLUDE: FAIRFIELD...CHESTER...STANFORD...
  CONRAD...SHELBY...BIG SANDY...FORT BENTON...CUT BANK... 
  GREAT FALLS...KINGS HILL PASS...FLESHER PASS...HELENA... 
  LINCOLN...MACDONALD PASS...ROGERS PASS...JUDITH GAP... 
  LEWISTOWN...LEWISTOWN DIVIDE 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

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

&&

$$
797 
WWUS45 KTFX 301553
WSWTFX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
853 AM MST SUN JAN 30 2011

MTZ011-047-310000-
/O.CAN.KTFX.WS.W.0005.000000T0000Z-110131T0000Z/
/O.EXA.KTFX.WW.Y.0014.000000T0000Z-110131T0000Z/
HILL-BLAINE-
INCLUDING THE FOLLOWING LOCATIONS...HAVRE...CHINOOK
853 AM MST SUN JAN 30 2011

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 5 PM MST
THIS AFTERNOON. THE WINTER STORM WARNING IS NO LONGER IN EFFECT.

* TIMING AND MAIN IMPACT: LIGHT SNOW WILL CONTINUE TO FALL THROUGH
  THE AFTERNOON HOURS IN THE HAVRE AND CHINOOK AREAS.

* SNOW ACCUMULATIONS: NEW SNOW ACCUMULATIONS TODAY OF 1 TO 3
  INCHES ARE EXPECTED.

* OTHER IMPACTS: A VERY COLD AIRMASS WILL CONTINUE TO MOVE INTO
  THE REGION TODAY WITH TEMPERATURES GRADUALLY FALLING THROUGH THE
  DAY. NORTH WINDS AROUND 10 MPH WILL PRODUCE WIND CHILL VALUES OF
  15 BELOW TO 20 BELOW ZERO BY THIS AFTERNOON.

* LOCATIONS AFFECTED INCLUDE: CHINOOK...HAVRE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

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

&&

$$

MTZ052>055-310000-
/O.CAN.KTFX.WW.Y.0014.000000T0000Z-110131T1200Z/
/O.NEW.KTFX.WW.Y.0015.110130T2200Z-110131T1200Z/
JEFFERSON-BROADWATER-MEAGHER-GALLATIN-
INCLUDING THE FOLLOWING LOCATIONS...BOULDER...BOULDER HILL...
ELK PARK PASS...HOMESTAKE PASS...WHITEHALL...TOWNSEND...
WHITE SULPHUR SPRINGS...BATTLE RIDGE PASS...BOZEMAN...
BOZEMAN PASS...TARGHEE PASS...WEST YELLOWSTONE
853 AM MST SUN JAN 30 2011

...WINTER WEATHER ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO
5 AM MST MONDAY...

THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 3 PM THIS
AFTERNOON TO 5 AM MST MONDAY.

* TIMING AND MAIN IMPACT: LIGHT SNOW WILL DEVELOP BY MID AFTERNOON
  IN THE BOULDER...TOWNSEND AND BOZEMAN AREAS. THE SNOWFALL IS
  EXPECTED TO CONTINUE THROUGH THE OVERNIGHT HOURS.

* SNOW ACCUMULATIONS: NEW SNOW ACCUMULATIONS FROM THIS AFTERNOON
  THROUGH TONIGHT WILL RANGE FROM...
   1 TO 3 INCHES IN THE VALLEYS.
   3 TO 5 INCHES OVER THE MOUNTAIN PASSES.
   4 TO 8 INCHES IN THE MOUNTAINS AND BACK COUNTRY.

* OTHER IMPACTS: A VERY COLD AIRMASS WILL CONTINUE TO MOVE INTO
  THE REGION TODAY WITH TEMPERATURES GRADUALLY FALLING THROUGH THE
  DAY. NORTH WINDS AROUND 10 MPH WILL PRODUCE WIND CHILL VALUES OF
  0 TO 10 BELOW ZERO BY THIS EVENING.

* LOCATIONS AFFECTED INCLUDE: WHITE SULPHUR SPRINGS...
  BOZEMAN...BOZEMAN PASS...TARGHEE PASS...WEST 
  YELLOWSTONE...BOULDER...BOULDER HILL... 
  HOMESTAKE PASS...WHITEHALL...TOWNSEND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

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

&&

$$

MTZ009-048-310000-
/O.CON.KTFX.WS.W.0005.000000T0000Z-110131T0000Z/
NORTHERN ROCKY MOUNTAIN FRONT-SOUTHERN ROCKY MOUNTAIN FRONT-
INCLUDING THE FOLLOWING LOCATIONS...BROWNING...MARIAS PASS...
LOGAN PASS...CHOTEAU
853 AM MST SUN JAN 30 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON. 

* TIMING AND MAIN IMPACT: LIGHT SNOW WILL CONTINUE TO FALL THROUGH
  THE AFTERNOON HOURS IN THE BROWNING...MARIAS PASS AND EAST
  GLACIER PARK REGIONS.

* SNOW ACCUMULATIONS: NEW SNOW ACCUMULATIONS TODAY OF 1 TO 3
  INCHES ARE EXPECTED AT LOWER ELEVATIONS...AND 3 TO 5 INCHES ARE
  POSSIBLE IN THE MOUNTAINS.

* OTHER IMPACTS: A VERY COLD AIRMASS WILL CONTINUE TO MOVE INTO
  THE REGION TODAY WITH TEMPERATURES GRADUALLY FALLING THROUGH THE
  DAY. NORTH WINDS AROUND 10 MPH WILL PRODUCE WIND CHILL VALUES OF
  15 BELOW TO 20 BELOW ZERO BY THIS AFTERNOON.

* LOCATIONS AFFECTED INCLUDE: CHOTEAU...BROWNING...MARIAS 
  PASS...LOGAN PASS 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN
AN EMERGENCY. IF YOU MUST...KEEP AN EXTRA FLASHLIGHT...FOOD...AND
WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

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

&&

$$

MTZ010-012>014-044>046-049>051-310000-
/O.CON.KTFX.WW.Y.0014.000000T0000Z-110131T0000Z/
EASTERN GLACIER-CASCADE-CHOUTEAU-
CENTRAL AND SOUTHERN LEWIS AND CLARK-TOOLE-LIBERTY-
EASTERN PONDERA-EASTERN TETON-JUDITH BASIN-FERGUS-
INCLUDING THE FOLLOWING LOCATIONS...CUT BANK...GREAT FALLS...
KINGS HILL PASS...BIG SANDY...FORT BENTON...FLESHER PASS...
HELENA...LINCOLN...MACDONALD PASS...ROGERS PASS...SHELBY...
CHESTER...CONRAD...FAIRFIELD...STANFORD...JUDITH GAP...
LEWISTOWN...LEWISTOWN DIVIDE
853 AM MST SUN JAN 30 2011

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

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

* TIMING AND MAIN IMPACT: LIGHT SNOW WILL CONTINUE TO FALL THROUGH
  THE AFTERNOON HOURS IN THE GREAT FALLS...CUT BANK...FORT
  BENTON...STANFORD AND LEWISTOWN AREAS.

* SNOW ACCUMULATIONS: NEW SNOW ACCUMULATIONS TODAY OF 1 TO 3
  INCHES ARE EXPECTED AT LOWER ELEVATIONS...WITH 2 TO 5 INCHES
  POSSIBLE IN THE MOUNTAINS.

* OTHER IMPACTS: A VERY COLD AIRMASS WILL CONTINUE TO MOVE INTO
  THE REGION TODAY WITH TEMPERATURES GRADUALLY FALLING THROUGH THE
  DAY. NORTH WINDS AROUND 10 MPH WILL PRODUCE WIND CHILL VALUES OF
  15 BELOW TO 20 BELOW ZERO BY THIS AFTERNOON.

* LOCATIONS AFFECTED INCLUDE: FAIRFIELD...CHESTER...STANFORD...
  CONRAD...SHELBY...FORT BENTON...CUT BANK... GREAT FALLS...KINGS
  HILL PASS...HELENA... LINCOLN...MACDONALD PASS...ROGERS
  PASS...JUDITH GAP...LEWISTOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

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

&&

$$
675 
WWUS45 KTFX 301937
WSWTFX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
1237 PM MST SUN JAN 30 2011

MTZ009-048-310000-
/O.CON.KTFX.WS.W.0005.000000T0000Z-110131T0000Z/
NORTHERN ROCKY MOUNTAIN FRONT-SOUTHERN ROCKY MOUNTAIN FRONT-
INCLUDING THE FOLLOWING LOCATIONS...BROWNING...MARIAS PASS...
LOGAN PASS...CHOTEAU
1237 PM MST SUN JAN 30 2011

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON. 

* TIMING AND MAIN IMPACT: LIGHT SNOW WILL CONTINUE TO FALL
  THROUGH THE AFTERNOON HOURS IN THE BROWNING...MARIAS PASS 
  AND EAST GLACIER PARK REGIONS. 

* SNOW ACCUMULATIONS: NEW SNOW ACCUMULATIONS THIS AFTERNOON OF 1
  TO 2 INCHES ARE STILL POSSIBLE.

* OTHER IMPACTS: WITH NORTH WINDS AT 10 TO 15 MPH...EXPECT WIND
  CHILL VALUES OF 10 BELOW TO 20 BELOW ZERO.

* LOCATIONS AFFECTED INCLUDE: CHOTEAU...BROWNING...MARIAS 
  PASS...LOGAN PASS 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST...KEEP AN EXTRA FLASHLIGHT...FOOD...AND
WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

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

&&

$$

MTZ010>014-044>047-049>051-310000-
/O.CON.KTFX.WW.Y.0014.000000T0000Z-110131T0000Z/
EASTERN GLACIER-HILL-CASCADE-CHOUTEAU-
CENTRAL AND SOUTHERN LEWIS AND CLARK-TOOLE-LIBERTY-
EASTERN PONDERA-BLAINE-EASTERN TETON-JUDITH BASIN-FERGUS-
INCLUDING THE FOLLOWING LOCATIONS...CUT BANK...HAVRE...
GREAT FALLS...KINGS HILL PASS...BIG SANDY...FORT BENTON...
FLESHER PASS...HELENA...LINCOLN...MACDONALD PASS...ROGERS PASS...
SHELBY...CHESTER...CONRAD...CHINOOK...FAIRFIELD...STANFORD...
JUDITH GAP...LEWISTOWN...LEWISTOWN DIVIDE
1237 PM MST SUN JAN 30 2011

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

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

* TIMING AND MAIN IMPACT: LIGHT SNOW WILL CONTINUE TO FALL THROUGH
  THE AFTERNOON HOURS IN THE GREAT FALLS...CUT BANK... FORT
  BENTON...HAVRE...CHINOOK...STANFORD AND LEWISTOWN AREAS.

* SNOW ACCUMULATIONS: NEW SNOW ACCUMULATIONS TODAY OF 1 TO 2
  INCHES ARE POSSIBLE THIS AFTERNOON.

* OTHER IMPACTS: WITH NORTH WINDS AT 10 TO 15 MPH...EXPECT WIND
  CHILL VALUES OF 10 BELOW TO 20 BELOW ZERO.

* LOCATIONS AFFECTED INCLUDE: FAIRFIELD...CHESTER...STANFORD...
  CONRAD...SHELBY...CHINOOK...BIG SANDY...FORT BENTON... CUT 
  BANK...HAVRE...GREAT FALLS...KINGS HILL PASS... FLESHER 
  PASS...HELENA...LINCOLN...MACDONALD PASS... ROGERS PASS...
  JUDITH GAP...LEWISTOWN...LEWISTOWN DIVIDE 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

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

&&

$$

MTZ052>055-310345-
/O.CON.KTFX.WW.Y.0015.110130T2200Z-110131T1200Z/
JEFFERSON-BROADWATER-MEAGHER-GALLATIN-
INCLUDING THE FOLLOWING LOCATIONS...BOULDER...BOULDER HILL...
ELK PARK PASS...HOMESTAKE PASS...WHITEHALL...TOWNSEND...
WHITE SULPHUR SPRINGS...BATTLE RIDGE PASS...BOZEMAN...
BOZEMAN PASS
1237 PM MST SUN JAN 30 2011

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

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
MONDAY. 

* TIMING AND MAIN IMPACT: LIGHT SNOW WILL DEVELOP BY LATE
  AFTERNOON IN THE BOULDER...TOWNSEND AND BOZEMAN AREAS. THE 
  SNOWFALL IS EXPECTED TO CONTINUE THROUGH THE OVERNIGHT 
  HOURS. 

* SNOW ACCUMULATIONS: NEW SNOW ACCUMULATIONS FROM THIS AFTERNOON
  THROUGH TONIGHT WILL RANGE FROM 1 TO 3 INCHES IN THE
  VALLEYS...AND FROM 3 TO 5 INCHES IN THE MOUNTAINS.

* LOCATIONS AFFECTED INCLUDE: WHITE SULPHUR SPRINGS...BATTLE 
  RIDGE PASS...BOZEMAN...BOZEMAN PASS...BOULDER... BOULDER 
  HILL...ELK PARK PASS...HOMESTAKE PASS...WHITEHALL... 
  TOWNSEND 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

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

&&

$$
749 
WWUS45 KTFX 302024
WSWTFX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
124 PM MST SUN JAN 30 2011

MTZ009-048-310000-
/O.CAN.KTFX.WS.W.0005.000000T0000Z-110131T0000Z/
/O.NEW.KTFX.WC.Y.0005.110130T2024Z-110201T0000Z/
NORTHERN ROCKY MOUNTAIN FRONT-SOUTHERN ROCKY MOUNTAIN FRONT-
INCLUDING THE FOLLOWING LOCATIONS...BROWNING...MARIAS PASS...
LOGAN PASS...CHOTEAU
124 PM MST SUN JAN 30 2011

...WIND CHILL ADVISORY IN EFFECT UNTIL 5 PM MST MONDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM MST MONDAY. THE
WINTER STORM WARNING HAS BEEN CANCELLED. 

* TIMING AND MAIN IMPACT: HEAVY SNOW IS NO LONGER EXPECTED OVER
  THE ROCKY MOUNTAIN FRONT. ANY ADDITIONALLY SNOW ACCUMULATIONS
  WILL BE LESS THAN AN INCH. HOWEVER...WITH NORTH WINDS OF 10 TO
  20 MPH...WIND CHILL VALUES OF 25 BELOW TO 40 BELOW ZERO ARE
  EXPECTED THIS AFTERNOON THROUGH MONDAY AFTERNOON.

* OTHER IMPACTS: WITH THESE WIND CHILL VALUES...FROSTBITE CAN
  OCCUR IN LESS THAN 30 MINUTES.

* LOCATIONS AFFECTED INCLUDE: CHOTEAU...BROWNING...MARIAS PASS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. 
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

&&

$$

MTZ010-044-046-049-310000-
/O.CAN.KTFX.WW.Y.0014.000000T0000Z-110131T0000Z/
/O.NEW.KTFX.WC.Y.0005.110130T2024Z-110201T0000Z/
EASTERN GLACIER-TOOLE-EASTERN PONDERA-EASTERN TETON-
INCLUDING THE FOLLOWING LOCATIONS...CUT BANK...SHELBY...CONRAD...
FAIRFIELD
124 PM MST SUN JAN 30 2011

...WIND CHILL ADVISORY IN EFFECT UNTIL 5 PM MST MONDAY...
...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM MST MONDAY. THE
WINTER WEATHER ADVISORY HAS BEEN CANCELLED. 

* TIMING AND MAIN IMPACT: A STEADY SNOWFALL IS NO LONGER EXPECTED
  OVER THE ADJACENT PLAINS OF THE ROCKY MOUNTAIN FRONT. ANY
  ADDITIONALLY SNOW SHOWERS WILL ONLY PRODUCE SNOW ACCUMULATIONS
  OF LESS THAN ONE HALF INCH. HOWEVER...WITH NORTH WINDS OF 10 TO
  20 MPH...WIND CHILL VALUES OF 25 BELOW TO 40 BELOW ZERO ARE
  EXPECTED THIS AFTERNOON THROUGH MONDAY AFTERNOON.

* OTHER IMPACTS: WITH THESE WIND CHILL VALUES...FROSTBITE CAN
  OCCUR IN LESS THAN 30 MINUTES.

* LOCATIONS AFFECTED INCLUDE...CUT BANK...SHELBY...CONRAD AND
  FAIRFIELD.

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.

&&

$$

MTZ011>013-045-047-050-051-310000-
/O.NEW.KTFX.WC.Y.0005.110131T0000Z-110201T0000Z/
/O.CON.KTFX.WW.Y.0014.000000T0000Z-110131T0000Z/
HILL-CASCADE-CHOUTEAU-LIBERTY-BLAINE-JUDITH BASIN-FERGUS-
INCLUDING THE FOLLOWING LOCATIONS...HAVRE...GREAT FALLS...
KINGS HILL PASS...BIG SANDY...FORT BENTON...CHESTER...CHINOOK...
STANFORD...JUDITH GAP...LEWISTOWN...LEWISTOWN DIVIDE
124 PM MST SUN JAN 30 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
...WIND CHILL ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM
MST MONDAY...

THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO
5 PM MST MONDAY. A WINTER WEATHER ADVISORY REMAINS IN EFFECT
UNTIL 5 PM MST THIS AFTERNOON. 

* TIMING AND MAIN IMPACT: LIGHT SNOW WILL CONTINUE TO FALL
  THROUGH THE AFTERNOON HOURS IN THE GREAT FALLS...CUT BANK... 
  FORT BENTON...HAVRE...CHINOOK...STANFORD AND LEWISTOWN 
  AREAS. 

* SNOW ACCUMULATIONS: NEW SNOW ACCUMULATIONS TODAY OF 1 TO 2 
  INCHES ARE POSSIBLE THIS AFTERNOON.

* OTHER IMPACTS: WITH NORTH WINDS AT 10 TO 15 MPH...EXPECT WIND
  CHILL VALUES OF 20 BELOW TO 30 BELOW ZERO THIS EVENING THROUGH
  MONDAY AFTERNOON. WITH THESE WIND CHILL VALUES...FROSTBITE CAN
  OCCUR IN LESS THAN 30 MINUTES.

* LOCATIONS AFFECTED INCLUDE: CHESTER...STANFORD...CHINOOK...BIG
  SANDY...FORT BENTON...HAVRE...GREAT FALLS...KINGS HILL
  PASS...LEWISTOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

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

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.

&&

$$

MTZ014-310000-
/O.CON.KTFX.WW.Y.0014.000000T0000Z-110131T0000Z/
CENTRAL AND SOUTHERN LEWIS AND CLARK-
INCLUDING THE FOLLOWING LOCATIONS...FLESHER PASS...HELENA...
LINCOLN...MACDONALD PASS...ROGERS PASS
124 PM MST SUN JAN 30 2011

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

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

* TIMING AND MAIN IMPACT: LIGHT SNOW WILL CONTINUE TO FALL THROUGH
  THE AFTERNOON HOURS IN THE LINCOLN...HELENA...AND MACDONALD PASS
  REGIONS.

* SNOW ACCUMULATIONS: NEW SNOW ACCUMULATIONS TODAY OF 1 TO 2 
  INCHES ARE POSSIBLE THIS AFTERNOON.

* OTHER IMPACTS: WITH NORTH WINDS AT 10 TO 15 MPH...EXPECT WIND
  CHILL VALUES OF 10 BELOW TO 20 BELOW ZERO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

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

&&

$$

MTZ052>055-310000-
/O.CON.KTFX.WW.Y.0015.110130T2200Z-110131T1200Z/
JEFFERSON-BROADWATER-MEAGHER-GALLATIN-
INCLUDING THE FOLLOWING LOCATIONS...BOULDER...BOULDER HILL...
ELK PARK PASS...HOMESTAKE PASS...WHITEHALL...TOWNSEND...
WHITE SULPHUR SPRINGS...BATTLE RIDGE PASS...BOZEMAN...
BOZEMAN PASS
124 PM MST SUN JAN 30 2011

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

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
MONDAY. 

* TIMING AND MAIN IMPACT: LIGHT SNOW WILL DEVELOP BY LATE
  AFTERNOON IN THE BOULDER...TOWNSEND AND BOZEMAN AREAS. THE
  LIGHT SNOWFALL IS EXPECTED TO CONTINUE THROUGH THE OVERNIGHT
  HOURS.

* SNOW ACCUMULATIONS: NEW SNOW ACCUMULATIONS FROM THIS 
  AFTERNOON THROUGH TONIGHT WILL RANGE FROM 1 TO 3 INCHES IN 
  THE VALLEYS... AND FROM 3 TO 5 INCHES IN THE MOUNTAINS.

* LOCATIONS AFFECTED INCLUDE: WHITE SULPHUR
  SPRINGS...BOZEMAN...BOZEMAN PASS...BOULDER...BOULDER
  HILL...WHITEHALL...TOWNSEND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

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

&&

$$

What forecasters said that day

The local office's own words before this winter storm warning 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 winter storm warning went out at Jan 29, 4:55 AM MST, 3 hours 5 minutes earlier.

Area forecast discussion, Jan 29, 4:55 AM MST, 3 hours 5 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREAT FALLS MT
455 AM MST SAT JAN 29 2011

UPDATED AVIATION DISCUSSION

.DISCUSSION...
TODAY THROUGH MONDAY EVENING...FORECAST STILL ON TRACK FOR A SHIFT
BACK TO MORE TYPICAL WINTER CONDITIONS THIS WEEKEND AFTER A WELCOMED
PERIOD OF THAWING EARLIER THIS WEEK. WINTER WEATHER ADVISORIES FOR
NORTH CENTRAL...CENTRAL AND PARTS OF SOUTHWEST MT REMAIN IN EFFECT
WITH NO CHANGES AT THIS TIME.  EXPECTED OVERNIGHT SNOW ACROSS THE
HILINE COUNTIES HAS BEEN SLOW TO DEVELOP AS FIRST PUSH OF
MOISTURE CREATED SNOW FURTHER EAST TOWARD GLASGOW AND POCKET OF
MOISTURE OVER SRN ALBERTA HAS REMAINED NORTH OF US/CAN BORDER.  BUT
CURRENT RADAR IMAGERY SHOWS SNOW CONTINUING TO DEVELOP ALONG THE
ROCKY MTN FRONT AND STARTING TO PUSH FURTHER EASTWARD FROM CENTRAL
GLACIER TO CENTRAL LEWIS & CLARK COUNTY.  AS MORE PACIFIC MOISTURE
ARRIVES AHEAD OF THE STRONG UPPER LEVEL TROF OVER SOUTHWEST
CANADA...EXPECT LIGHT SNOW COVERAGE TO INCREASE THIS MORNING AND
AFTN FROM HELENA TO LEWISTOWN NORTHWARD TO THE HILINE.  FORECAST
MODELS ARE IN GOOD AGREEMENT ON THE PROGRESSION OF THE CANADIAN
SYSTEM ACROSS OUR REGION OVER THE NEXT 48 HRS.  THE ONLY SIGNIFICANT
MODEL DIFFERENCE IS IN THE PRECIPITATION AMOUNTS WITH THE GFS MODEL
BEING NOTABLY WETTER/SNOWIER OVER CENTRAL MT...PARTICULARLY ON SUN.
CURRENT SNOWFALL GRIDS COMPROMISE BETWEEN THE GFS AND THE DRIER NAM
AND EUROPEAN SOLUTIONS...KEEPING TOTAL EVENT SNOW FORECASTS IN THE 2
TO 5 INCH RANGE FOR THE PLAINS AND VALLEYS AND 6 TO 10 INCHES IN THE
MOUNTAINS THROUGH SUN AFTN.  MODELS ALSO CONTINUE TO KEEP WINDS
GENERALLY LIGHT TO NOT EXPECTING WIDESPREAD BLOWING SNOW THOUGH
BRIEF LOCALIZED GUSTS WILL BE POSSIBLE...CREATING LOWER VISIBILITIES
AND SOME DRIFTING.  SNOW SHOULD BEGIN TO TAPER OFF FROM NORTH TO
SOUTH SUN AFTN/EVE...THOUGH SCATTERED SNOW SHOWERS MAY LINGER INTO
MONDAY MORNING OVER SOUTHWEST MT.  GRADUALLY CLEARING SKIES ARE
FORECAST FOR MONDAY.

UNFORTUNATELY NO CHANGES TO FORECAST FOR SHARPLY COLDER TEMPERATURES
TO SPREAD OVER THE AREA STARTING LATER TODAY AND COVERING THE REGION
INTO EARLY NEXT WEEK.  TEMPS WILL STEADILY DECREASE OVER CENTRAL AND
NORTH CENTRAL COUNTIES TODAY AS CHILLY CANADIAN/ARCTIC AIRMASS
PUSHES INTO THE REGION.  STILL EXPECT LOWS TONIGHT TO REACH SINGLE
DIGITS ABOVE/BELOW ZERO AND REMAIN IN THE SINGLE DIGITS FOR HIGHS ON
SUN AND MON...WITH LOWS DROPPING TO THE TEENS BELOW ZERO SUN NIGHT.
SOUTHWEST MT WILL NOT SEE THE BITTERLY COLD CONDITIONS UNTIL SUN
AFTN/EVE...WITH HIGHS ON MONDAY IN THE SINGLE DIGITS TO LOW TEENS.
WARANAUSKAS

MONDAY NIGHT THROUGH SATURDAY...MEDIUM RANGE MODELS REMAIN IN
REASONABLE AGREEMENT THROUGH MUCH OF NEXT WEEK. PERIOD BEGINS WITH A
HIGHLY AMPLIFIED PATTERN IN PLACE WITH A SHARP UPPER LEVEL TROUGH
OVER THE REGION AND DEEP NORTH TO NORTHEASTERLY FLOW FEEDING A
DEEP/COLD AIRMASS INTO CENTRAL MT MONDAY NIGHT. MODELS HAVE TRENDED
SLOWER/MORE AMPLIFIED WITH THIS TROUGH...WITH MONDAY NIGHT NOW
APPEARING TO BE THE PERIOD OF COLDEST TEMPERATURES WITH WIDESPREAD
TEMPS OF -20F TO -30F APPEARING LIKELY FOR MUCH OF NORTH CENTRAL MT
WITH -10F TO -20F TEMPS OVER SW MT. CONFIDENCE IN THESE COLDER TEMPS
IS A LITTLE HIGHER THIS MORNING AS MODELS ARE CONVERGING ON TRACKING
THE SURFACE HIGH PRESSURE CENTER (IN EXCESS OF 1050MB) SOUTH ALONG
THE EAST SLOPES OF THE ROCKIES WITH UPSTREAM OBSERVATIONS WITHIN
THIS AIRMASS CURRENTLY IN THE -30 TO -40 RANGE ACROSS NORTHWEST
CANADA. UPPER LEVEL RIDGING INITIALLY ALONG THE WEST COAST WEEK
SHIFTS INLAND THROUGH MUCH OF THE REMAINDER OF NEXT WEEK...KEEPING
THE FORECAST AREA GENERALLY PRECIPITATION FREE THROUGH AT LEAST
THURSDAY NIGHT BEFORE ENERGY RIDING OVER THE UPPER RIDGE BEGINS TO
BREAK IT DOWN LATE NEXT WEEK INTO NEXT WEEKEND. THE COLD SURFACE
HIGH MOVES OFF TO THE SOUTHEAST LATE TUESDAY AND TUESDAY NIGHT WITH
WARMING ALOFT FIRST REACHING THE HIGHER ELEVATIONS AND AREAS ALONG
THE IMMEDIATE EAST SLOPES OF THE ROCKIES BEFORE THE WARMING
GRADUALLY REACHES THE REMAINDER OF THE FORECAST AREA MORE SLOWLY
THROUGH THE MIDDLE AND LATER PARTS OF NEXT WEEK. HOENISCH

&&

.AVIATION...
UPDATED 1200Z
COLD AIRMASS IN PLACE OVER NORTH CENTRAL MT WILL EXPAND SOUTHWARD
INTO CENTRAL MT THIS AFTERNOON AND SOUTHWEST MONTANA TONIGHT. LOW
CLOUDS AND AREAS OF FOG WILL BECOME MORE WIDESPREAD THIS MORNING
OVER NORTH CENTRAL MT WITH MOISTURE STREAMING IN FROM THE WEST
ALSO ALLOWING FOR LIGHT SNOW TO BECOME MORE WIDESPREAD AS WELL
THROUGH LATE THIS MORNING AND THIS AFTERNOON WITH THIS AREA OF
PRECIPITATION EXPANDING SOUTHWARD THIS EVENING. MVFR AND OCCASIONAL
IFR CIGS/VIS WILL MAINLY BE CONFINED TO NORTH CENTRAL MT THIS
MORNING BEFORE BECOMING WIDESPREAD ACROSS MOST OF THE REGION
TONIGHT. HOENISCH

&&

.PRELIMINARY POINT TEMPS/POPS...
GTF  30   2   7 -15 /  90 100  80  40
CTB  20  -4   2 -19 /  90  90  70  20
HLN  35   9  18  -7 /  80 100  80  50
BZN  37  20  25  -2 /  30  70  80  60
WEY  30  18  27   5 /  20  40  70  50
DLN  36  20  31   3 /  20  60  60  50
HVR  21  -4   1 -20 /  80  80  60  20
LWT  27   4   8 -14 /  80  80  80  60

&&

.TFX WATCHES/WARNINGS/ADVISORIES...
WINTER WEATHER ADVISORY UNTIL 5 PM MST SUNDAY BLAINE...CASCADE...
CENTRAL AND SOUTHERN LEWIS AND CLARK...CHOUTEAU...EASTERN
GLACIER...EASTERN PONDERA...EASTERN TETON...FERGUS...HILL...
JUDITH BASIN...LIBERTY...NORTHERN ROCKY MOUNTAIN FRONT...
SOUTHERN ROCKY MOUNTAIN FRONT...TOOLE.

WINTER WEATHER ADVISORY FROM 5 PM THIS AFTERNOON TO 5 PM MST
SUNDAY BROADWATER...GALLATIN...JEFFERSON...MEAGHER.

&&

SHORT TERM...WARANAUSKAS
LONG TERM...HOENISCH
AVIATION...HOENISCH

WEATHER.GOV/GREATFALLS
Hazardous weather outlook, Jan 29, 4:26 AM MST, 3 hours 34 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREAT FALLS MT
426 AM MST SAT JAN 29 2011

MTZ009>014-044>051-301130-
NORTHERN ROCKY MOUNTAIN FRONT-EASTERN GLACIER-HILL-CASCADE-
CHOUTEAU-CENTRAL AND SOUTHERN LEWIS AND CLARK-TOOLE-LIBERTY-
EASTERN PONDERA-BLAINE-SOUTHERN ROCKY MOUNTAIN FRONT-
EASTERN TETON-JUDITH BASIN-FERGUS-
426 AM MST SAT JAN 29 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
MONTANA...NORTH CENTRAL MONTANA AND SOUTHWEST MONTANA.

.DAY ONE...TODAY AND TONIGHT

A WINTER WEATHER ADVISORY REMAINS IN EFFECT THROUGH TONIGHT.
PERIODS OF LIGHT SNOW WILL CREATE ICY ROADS AND AREAS OF REDUCED
VISIBILITY...MAKING FOR LOCALLY HAZARDOUS TRAVEL CONDITIONS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

THE WINTER WEATHER ADVISORY CONTINUES UNTIL 5 PM MST SUNDAY. TOTAL
SNOWFALL OF 2 TO 5 INCHES IS EXPECTED OVER THE VALLEYS AND PLAINS
WITH 6 TO 10 INCHES IN THE MOUNTAINS.

TEMPERATURES WILL ALSO TURN SHARPLY COLDER FROM SUNDAY MORNING
THROUGH EARLY NEXT WEEK. THE COLDEST PERIOD WILL BE MONDAY AND
TUESDAY...WHEN MORNING LOW TEMPERATURES ARE EXPECTED TO FALL INTO
THE TEENS AND TWENTIES BELOW ZERO.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS AND IMPACTS TO THE NATIONAL WEATHER SERVICE OFFICE IN
GREAT FALLS.

MTZ052>055-301130-
JEFFERSON-BROADWATER-MEAGHER-GALLATIN-
426 AM MST SAT JAN 29 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST
MONTANA.

.DAY ONE...TODAY AND TONIGHT

A WINTER WEATHER ADVISORY REMAINS IN EFFECT THROUGH TONIGHT.
PERIODS OF LIGHT SNOW WILL CREATE ICY ROADS AND AREAS OF REDUCED
VISIBILITY...MAKING FOR LOCALLY HAZARDOUS TRAVEL CONDITIONS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

THE WINTER WEATHER ADVISORY CONTINUES UNTIL 5 PM MST SUNDAY. TOTAL
SNOWFALL OF 2 TO 5 INCHES IS EXPECTED OVER THE VALLEYS AND PLAINS
WITH 6 TO 10 INCHES IN THE MOUNTAINS.

TEMPERATURES WILL ALSO TURN SHARPLY COLDER FROM SUNDAY MORNING
THROUGH EARLY NEXT WEEK. THE COLDEST PERIOD WILL BE MONDAY AND
TUESDAY...WHEN MORNING LOW TEMPERATURES ARE EXPECTED TO FALL INTO
THE SINGLE DIGITS AND TEENS BELOW ZERO.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS AND IMPACTS TO THE NATIONAL WEATHER SERVICE OFFICE IN
GREAT FALLS.

MTZ008-015-301130-
BEAVERHEAD-MADISON-
426 AM MST SAT JAN 29 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST
MONTANA.

.DAY ONE...TODAY AND TONIGHT

A CANADIAN STORM SYSTEM WILL BRING PERIODS OF SNOW BEGINNING
THIS EVENING AND CONTINUING OVERNIGHT. ONLY LIGHT ACCUMULATIONS
ARE EXPECTED.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

LIGHT SNOW WILL CONTINUE THROUGH EARLY SUNDAY EVENING...WITH TOTAL
SNOWFALL OF 1 TO 3 INCHES IN THE VALLEY AND LOWER ELEVATIONS.

TEMPERATURES WILL ALSO TURN SHARPLY COLDER FROM SUNDAY MORNING
THROUGH EARLY NEXT WEEK. THE COLDEST PERIOD WILL BE MONDAY AND
TUESDAY...WHEN MORNING LOW TEMPERATURES ARE EXPECTED TO FALL INTO
THE SINGLE DIGITS AND TEENS BELOW ZERO IN THE LOWER VALLEYS TO
AROUND 20 TO 25 BELOW ZERO FOR THE ELEVATED VALLEYS SUCH AS THE BIG
HOLE.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS AND IMPACTS TO THE NATIONAL WEATHER SERVICE OFFICE IN
GREAT FALLS.

Nearby

Winter Storm Warnings in Montana, 2011Every winter storm warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.