Alert archive / Montana / Wind Chill Warnings in 2008

Wind Chill Warning 2, NWS Great Falls, MT

December 13, 2008

NWS Great Falls, MT issued this wind chill warning at Dec 13, 2008, 9:07 PM MST. It was in force for 39 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
Dec 13, 2008, 9:07 PM MST (04:07 UTC)
Expired
Dec 15, 2008, 12:00 PM MST
In force
39 hr
Issued by
NWS Great Falls, MT

The text

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

000 
WWUS45 KTFX 140407
WSWTFX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
907 PM MST SAT DEC 13 2008

MTZ047-051-141200-
/O.CAN.KTFX.BZ.W.0001.000000T0000Z-081214T0600Z/
/O.NEW.KTFX.WW.Y.0011.081214T0407Z-081214T0700Z/
/O.NEW.KTFX.WC.W.0002.081214T0407Z-081214T1900Z/
BLAINE-FERGUS-
INCLUDING THE CITIES OF...CHINOOK...LEWISTOWN
907 PM MST SAT DEC 13 2008

...WIND CHILL WARNING IN EFFECT UNTIL NOON MST SUNDAY...
...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT MST TONIGHT...
...BLIZZARD WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A WIND
CHILL WARNING...WHICH IS IN EFFECT UNTIL NOON MST SUNDAY. A
WINTER WEATHER ADVISORY HAS ALSO BEEN ISSUED. THIS WINTER WEATHER
ADVISORY FOR SNOW AND BLOWING SNOW IS IN EFFECT UNTIL MIDNIGHT
MST TONIGHT. THIS ADVISORY REPLACES THE THE BLIZZARD WARNING
PREVIOUSLY IN EFFECT.

WIDESPREAD LIGHT SNOW WILL CONTINUE TO FALL ACROSS NORTH CENTRAL
AND CENTRAL MONTANA. IN ADDITION...BLUSTERY NORTHERLY WINDS OF 10
TO 20 MPH WITH GUSTS TO 35 MPH WILL REDUCE VISIBILITIES LESS THAN
ONE MILE AT TIMES. ADDITIONAL SNOW ACCUMULATIONS WILL GENERALLY BE
LESS THAN 2 INCHES OVER THE PLAINS AND IN THE VALLEYS...WHILE
MOUNTAIN LOCATIONS MAY SEE NEW SNOWFALL OF 2 TO 5 INCHES.

THE GUSTY WINDS WILL ALSO COMBINE WITH TEMPERATURES FALLING INTO
THE TEENS AND 20S BELOW ZERO TONIGHT TO CAUSE BITTER COLD WIND
CHILL TEMPERATURES OF 40 TO 55 DEGREES BELOW ZERO. WINDS WILL THEN
DECREASE DURING THE MORNING HOURS ON SUNDAY.

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL
RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

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.

$$

MTZ009>014-044>046-048>050-054-141200-
/O.CAN.KTFX.WS.W.0017.000000T0000Z-081214T0600Z/
/O.NEW.KTFX.WW.Y.0011.081214T0407Z-081214T0700Z/
/O.NEW.KTFX.WC.W.0002.081214T0407Z-081214T1900Z/
NORTHERN ROCKY MOUNTAIN FRONT-EASTERN GLACIER-HILL-CASCADE-
CHOUTEAU-CENTRAL AND SOUTHERN LEWIS AND CLARK-TOOLE-LIBERTY-
EASTERN PONDERA-SOUTHERN ROCKY MOUNTAIN FRONT-EASTERN TETON-
JUDITH BASIN-MEAGHER-
INCLUDING THE CITIES OF...BROWNING...CUT BANK...HAVRE...
GREAT FALLS...FORT BENTON...HELENA...LINCOLN...SHELBY...CHESTER...
CONRAD...CHOTEAU...FAIRFIELD...STANFORD...WHITE SULPHUR SPRINGS
907 PM MST SAT DEC 13 2008

...WIND CHILL WARNING IN EFFECT UNTIL NOON MST SUNDAY...
...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT MST TONIGHT...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A WIND
CHILL WARNING...WHICH IS IN EFFECT UNTIL NOON MST SUNDAY. A
WINTER WEATHER ADVISORY HAS ALSO BEEN ISSUED. THIS WINTER WEATHER
ADVISORY FOR SNOW AND BLOWING SNOW IS IN EFFECT UNTIL MIDNIGHT MST
TONIGHT. THIS ADVISORY REPLACES THE WINTER STORM WARNING
PREVIOUSLY IN EFFECT.

WIDESPREAD LIGHT SNOW WILL CONTINUE TO FALL ACROSS NORTH CENTRAL
AND CENTRAL MONTANA. IN ADDITION...BLUSTERY NORTHERLY WINDS OF 10
TO 20 MPH WITH GUSTS TO 35 MPH WILL REDUCE VISIBILITIES LESS THAN
ONE MILE AT TIMES. ADDITIONAL SNOW ACCUMULATIONS WILL GENERALLY BE
LESS THAN 2 INCHES OVER THE PLAINS AND IN THE VALLEYS...WHILE
MOUNTAIN LOCATIONS MAY SEE NEW SNOWFALL OF 2 TO 5 INCHES.

THE GUSTY WINDS WILL ALSO COMBINE WITH TEMPERATURES FALLING INTO
THE TEENS AND 20S BELOW ZERO TONIGHT TO CAUSE BITTER COLD WIND
CHILL TEMPERATURES OF 40 TO 55 DEGREES BELOW ZERO. WINDS WILL THEN
DECREASE DURING THE MORNING HOURS ON SUNDAY.

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL
RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

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.

$$

MTZ008-015-052-053-055-141200-
/O.CAN.KTFX.WS.W.0017.000000T0000Z-081214T0600Z/
/O.NEW.KTFX.WC.Y.0008.081214T0407Z-081214T1900Z/
BEAVERHEAD-MADISON-JEFFERSON-BROADWATER-GALLATIN-
INCLUDING THE CITIES OF...DILLON...ENNIS...BOULDER...TOWNSEND...
BOZEMAN...WEST YELLOWSTONE
907 PM MST SAT DEC 13 2008

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

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

BLUSTERY NORTHERLY WINDS OF 10 TO 20 MPH WITH GUSTS TO 30 MPH
WILL COMBINE WITH TEMPERATURES FALLING INTO THE TEENS BELOW ZERO
TONIGHT TO CAUSE VERY COLD WIND CHILL TEMPERATURES OF 30 TO 40
DEGREES BELOW ZERO. WINDS WILL THEN DECREASE DURING THE MORNING
HOURS ON SUNDAY.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND 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 APPROPRIATE WINTER
CLOTHING.

$$
7 follow-up statements
000 
WWUS45 KTFX 140442
WSWTFX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
942 PM MST SAT DEC 13 2008

MTZ009>014-044>051-054-141200-
/O.CON.KTFX.WC.W.0002.000000T0000Z-081214T1900Z/
/O.CON.KTFX.WW.Y.0011.000000T0000Z-081214T0700Z/
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-MEAGHER-
INCLUDING THE CITIES OF...BROWNING...CUT BANK...HAVRE...
GREAT FALLS...FORT BENTON...HELENA...LINCOLN...SHELBY...CHESTER...
CONRAD...CHINOOK...CHOTEAU...FAIRFIELD...STANFORD...LEWISTOWN...
WHITE SULPHUR SPRINGS
942 PM MST SAT DEC 13 2008

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON MST SUNDAY...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MST
TONIGHT...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON MST SUNDAY. A
WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MST
TONIGHT. 

WIDESPREAD LIGHT SNOW WILL CONTINUE TO FALL ACROSS NORTH CENTRAL
AND CENTRAL MONTANA. IN ADDITION...BLUSTERY NORTHERLY WINDS OF
10 TO 20 MPH WITH GUSTS TO 35 MPH WILL REDUCE VISIBILITIES LESS
THAN ONE MILE AT TIMES. ADDITIONAL SNOW ACCUMULATIONS WILL
GENERALLY BE LESS THAN 2 INCHES OVER THE PLAINS AND IN THE
VALLEYS...WHILE MOUNTAIN LOCATIONS MAY SEE NEW SNOWFALL OF 2 TO
5 INCHES.

THE GUSTY WINDS WILL ALSO COMBINE WITH TEMPERATURES FALLING INTO
THE TEENS AND 20S BELOW ZERO TONIGHT TO CAUSE BITTER COLD WIND
CHILL TEMPERATURES OF 40 TO 55 DEGREES BELOW ZERO. WINDS WILL
THEN DECREASE DURING THE MORNING HOURS ON SUNDAY.

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL
RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

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.

$$

MTZ008-015-052-053-055-141200-
/O.CON.KTFX.WC.Y.0008.000000T0000Z-081214T1900Z/
BEAVERHEAD-MADISON-JEFFERSON-BROADWATER-GALLATIN-
INCLUDING THE CITIES OF...DILLON...ENNIS...BOULDER...TOWNSEND...
BOZEMAN...WEST YELLOWSTONE
942 PM MST SAT DEC 13 2008

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

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON MST SUNDAY. 

BLUSTERY NORTHERLY WINDS OF 10 TO 20 MPH WITH GUSTS TO 30 MPH
WILL COMBINE WITH TEMPERATURES FALLING INTO THE TEENS BELOW ZERO
TONIGHT TO CAUSE VERY COLD WIND CHILL TEMPERATURES OF 30 TO
40 DEGREES BELOW ZERO. WINDS WILL THEN DECREASE DURING THE
MORNING HOURS ON SUNDAY.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND 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 APPROPRIATE WINTER
CLOTHING.

$$
000 
WWUS45 KTFX 141111
WSWTFX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
411 AM MST SUN DEC 14 2008

MTZ009>014-044>051-054-141915-
/O.EXT.KTFX.WC.W.0002.000000T0000Z-081215T1900Z/
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-MEAGHER-
INCLUDING THE CITIES OF...BROWNING...CUT BANK...HAVRE...
GREAT FALLS...FORT BENTON...HELENA...LINCOLN...SHELBY...CHESTER...
CONRAD...CHINOOK...CHOTEAU...FAIRFIELD...STANFORD...LEWISTOWN...
WHITE SULPHUR SPRINGS
411 AM MST SUN DEC 14 2008

...WIND CHILL WARNING NOW IN EFFECT UNTIL NOON MST MONDAY...

THE WIND CHILL WARNING IS NOW IN EFFECT UNTIL NOON MST MONDAY. 

THE GUSTY WINDS WILL ALSO COMBINE WITH TEMPERATURES FALLING INTO
THE TEENS AND 20S BELOW ZERO TONIGHT TO CAUSE BITTER COLD WIND
CHILL TEMPERATURES OF 40 TO 55 DEGREES BELOW ZERO. WINDS WILL DECREASE
DURING THE DAYLIGHT HOURS ON SUNDAY...BUT WILL RETURN WITH EVEN
COLDER TEMPERATURES SUNDAY NIGHT AND MONDAY MORNING. WINDS WILL
NOT BE AS STRONG SUNDAY NIGHT...HOWEVER THE COLDER TEMPERATURES
WILL MORE THAN MAKE UP FOR THE CALMER WINDS.

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL
RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

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

$$

MTZ008-015-052-053-055-141915-
/O.EXT.KTFX.WC.Y.0008.000000T0000Z-081215T1900Z/
BEAVERHEAD-MADISON-JEFFERSON-BROADWATER-GALLATIN-
INCLUDING THE CITIES OF...DILLON...ENNIS...BOULDER...TOWNSEND...
BOZEMAN...WEST YELLOWSTONE
411 AM MST SUN DEC 14 2008

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL NOON MST MONDAY...

THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL NOON MST MONDAY. 

BLUSTERY NORTHERLY WINDS OF 10 TO 20 MPH WITH GUSTS TO 30 MPH
WILL COMBINE WITH TEMPERATURES FALLING INTO THE TEENS BELOW ZERO
TONIGHT TO CAUSE VERY COLD WIND CHILL TEMPERATURES OF 30 TO
40 DEGREES BELOW ZERO. WINDS WILL THEN DECREASE DURING THE
DAYLIGHT HOURS ON SUNDAY...BUT WILL RETURN WITH EVEN COLDER
TEMPERATURES SUNDAY NIGHT AND MONDAY MORNING. WINDS WILL NOT BE AS
STRONG SUNDAY NIGHT...HOWEVER THE COLDER TEMPERATURES WILL MORE
THAN MAKE UP FOR THE CALMER WINDS.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND 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 APPROPRIATE WINTER
CLOTHING.

$$
000 
WWUS45 KTFX 141129
WSWTFX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
429 AM MST SUN DEC 14 2008

MTZ009>014-044>051-054-141930-
/O.CON.KTFX.WC.W.0002.000000T0000Z-081215T1900Z/
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-MEAGHER-
INCLUDING THE CITIES OF...BROWNING...CUT BANK...HAVRE...
GREAT FALLS...FORT BENTON...HELENA...LINCOLN...SHELBY...CHESTER...
CONRAD...CHINOOK...CHOTEAU...FAIRFIELD...STANFORD...LEWISTOWN...
WHITE SULPHUR SPRINGS
429 AM MST SUN DEC 14 2008

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON MST MONDAY...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON MST MONDAY. 

GUSTY WINDS WILL COMBINE WITH TEMPERATURES FALLING INTO THE TEENS
AND 20S BELOW ZERO TONIGHT TO CAUSE BITTER COLD WIND CHILL
TEMPERATURES OF 40 TO 55 DEGREES BELOW ZERO. WINDS WILL DECREASE
DURING THE DAYLIGHT HOURS ON SUNDAY...BUT WILL RETURN WITH EVEN
COLDER TEMPERATURES SUNDAY NIGHT AND MONDAY MORNING. WINDS WILL
NOT BE AS STRONG SUNDAY NIGHT...HOWEVER THE COLDER TEMPERATURES
WILL MORE THAN MAKE UP FOR THE LIGHTER WINDS.

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL
RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

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

$$

MTZ008-015-052-053-055-141930-
/O.CON.KTFX.WC.Y.0008.000000T0000Z-081215T1900Z/
BEAVERHEAD-MADISON-JEFFERSON-BROADWATER-GALLATIN-
INCLUDING THE CITIES OF...DILLON...ENNIS...BOULDER...TOWNSEND...
BOZEMAN...WEST YELLOWSTONE
429 AM MST SUN DEC 14 2008

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

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON MST MONDAY. 

BLUSTERY NORTHERLY WINDS OF 10 TO 20 MPH WITH GUSTS TO 30 MPH
WILL COMBINE WITH TEMPERATURES FALLING INTO THE TEENS BELOW ZERO
TONIGHT TO CAUSE VERY COLD WIND CHILL TEMPERATURES OF 30 TO
40 DEGREES BELOW ZERO. WINDS WILL THEN DECREASE DURING THE
DAYLIGHT HOURS ON SUNDAY...BUT WILL RETURN WITH EVEN COLDER
TEMPERATURES SUNDAY NIGHT AND MONDAY MORNING. WINDS WILL NOT BE
AS STRONG SUNDAY NIGHT...HOWEVER THE COLDER TEMPERATURES WILL
MORE THAN MAKE UP FOR THE LIGHTER WINDS.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND 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 APPROPRIATE WINTER
CLOTHING.

$$
000 
WWUS45 KTFX 141913
WSWTFX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
1213 PM MST SUN DEC 14 2008

MTZ009>014-044>051-054-150500-
/O.CON.KTFX.WC.W.0002.000000T0000Z-081215T1900Z/
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-MEAGHER-
INCLUDING THE CITIES OF...BROWNING...CUT BANK...HAVRE...
GREAT FALLS...FORT BENTON...HELENA...LINCOLN...SHELBY...CHESTER...
CONRAD...CHINOOK...CHOTEAU...FAIRFIELD...STANFORD...LEWISTOWN...
WHITE SULPHUR SPRINGS
1213 PM MST SUN DEC 14 2008

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON MST MONDAY...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON MST MONDAY. 

LIGHT WINDS...COMBINED WITH THE VERY COLD TEMPERATURES...WILL
ALLOW FOR WIND CHILL VALUES TO RANGE FROM 40 TO 55 DEGREES BELOW
ZERO THROUGH MONDAY MORNING.

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
WINDS...WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL
RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN. FROST BITE CAN OCCUR IN AS LITTLE AS 10
MINUTES WITH THESE WIND CHILLS. IF YOU MUST VENTURE
OUTDOORS...MAKE SURE YOU WEAR APPROPRIATE WINTER CLOTHING.

$$

MTZ008-015-052-053-055-150500-
/O.CON.KTFX.WC.Y.0008.000000T0000Z-081215T1900Z/
BEAVERHEAD-MADISON-JEFFERSON-BROADWATER-GALLATIN-
INCLUDING THE CITIES OF...DILLON...ENNIS...BOULDER...TOWNSEND...
BOZEMAN...WEST YELLOWSTONE
1213 PM MST SUN DEC 14 2008

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

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON MST MONDAY. 

LIGHT WINDS...COMBINED WITH THE VERY COLD TEMPERATURES...WILL
ALLOW FOR WIND CHILL VALUES TO RANGE FROM 25 TO 40 DEGREES BELOW
ZERO THROUGH MONDAY MORNING.

A WIND CHILL ADVISORY MEANS THE COMBINATION OF VERY COLD AIR AND
WINDS...WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL
RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE
NOT TAKEN. FROST BITE CAN OCCUR IN AS LITTLE AS 30 MINUTES WITH
THESE WIND CHILLS. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU
WEAR APPROPRIATE WINTER CLOTHING.

$$
000 
WWUS45 KTFX 150503
WSWTFX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
1003 PM MST SUN DEC 14 2008

MTZ009>014-044>051-054-151300-
/O.CON.KTFX.WC.W.0002.000000T0000Z-081215T1900Z/
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-MEAGHER-
INCLUDING THE CITIES OF...BROWNING...CUT BANK...HAVRE...
GREAT FALLS...FORT BENTON...HELENA...LINCOLN...SHELBY...CHESTER...
CONRAD...CHINOOK...CHOTEAU...FAIRFIELD...STANFORD...LEWISTOWN...
WHITE SULPHUR SPRINGS
1003 PM MST SUN DEC 14 2008

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON MST MONDAY...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON MST MONDAY. 

LIGHT WINDS...COMBINED WITH THE VERY COLD TEMPERATURES...WILL
ALLOW FOR WIND CHILL VALUES TO RANGE FROM 40 TO 55 DEGREES BELOW
ZERO THROUGH MONDAY MORNING.

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
WINDS...WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL
RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN. FROST BITE CAN OCCUR IN AS LITTLE AS
10 MINUTES WITH THESE WIND CHILLS. IF YOU MUST VENTURE OUTDOORS...
MAKE SURE YOU WEAR APPROPRIATE WINTER CLOTHING.

$$

MTZ008-015-052-053-055-151300-
/O.CON.KTFX.WC.Y.0008.000000T0000Z-081215T1900Z/
BEAVERHEAD-MADISON-JEFFERSON-BROADWATER-GALLATIN-
INCLUDING THE CITIES OF...DILLON...ENNIS...BOULDER...TOWNSEND...
BOZEMAN...WEST YELLOWSTONE
1003 PM MST SUN DEC 14 2008

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

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON MST MONDAY. 

LIGHT WINDS...COMBINED WITH THE VERY COLD TEMPERATURES...WILL
ALLOW FOR WIND CHILL VALUES TO RANGE FROM 25 TO 40 DEGREES BELOW
ZERO THROUGH MONDAY MORNING.

A WIND CHILL ADVISORY MEANS THE COMBINATION OF VERY COLD AIR AND
WINDS...WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL
RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE
NOT TAKEN. FROST BITE CAN OCCUR IN AS LITTLE AS 30 MINUTES WITH
THESE WIND CHILLS. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU
WEAR APPROPRIATE WINTER CLOTHING.

$$
000 
WWUS45 KTFX 151126
WSWTFX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
426 AM MST MON DEC 15 2008

MTZ009>014-044>051-054-151900-
/O.CON.KTFX.WC.W.0002.000000T0000Z-081215T1900Z/
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-MEAGHER-
INCLUDING THE CITIES OF...BROWNING...CUT BANK...HAVRE...
GREAT FALLS...FORT BENTON...HELENA...LINCOLN...SHELBY...CHESTER...
CONRAD...CHINOOK...CHOTEAU...FAIRFIELD...STANFORD...LEWISTOWN...
WHITE SULPHUR SPRINGS
426 AM MST MON DEC 15 2008

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

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY. 

LIGHT WINDS...COMBINED WITH THE VERY COLD TEMPERATURES...WILL
ALLOW FOR WIND CHILL VALUES TO RANGE FROM 40 TO 55 DEGREES BELOW
ZERO THROUGH MONDAY MORNING.

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
WINDS...WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL
RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN. FROST BITE CAN OCCUR IN AS LITTLE AS
10 MINUTES WITH THESE WIND CHILLS. IF YOU MUST VENTURE OUTDOORS...
 MAKE SURE YOU WEAR APPROPRIATE WINTER CLOTHING.

$$

MTZ008-015-052-053-055-151900-
/O.CON.KTFX.WC.Y.0008.000000T0000Z-081215T1900Z/
BEAVERHEAD-MADISON-JEFFERSON-BROADWATER-GALLATIN-
INCLUDING THE CITIES OF...DILLON...ENNIS...BOULDER...TOWNSEND...
BOZEMAN...WEST YELLOWSTONE
426 AM MST MON DEC 15 2008

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

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

LIGHT WINDS...COMBINED WITH THE VERY COLD TEMPERATURES...WILL
ALLOW FOR WIND CHILL VALUES TO RANGE FROM 25 TO 40 DEGREES BELOW
ZERO THROUGH MONDAY MORNING.

A WIND CHILL ADVISORY MEANS THE COMBINATION OF VERY COLD AIR AND
WINDS...WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL
RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE
NOT TAKEN. FROST BITE CAN OCCUR IN AS LITTLE AS 30 MINUTES WITH
THESE WIND CHILLS. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU
WEAR APPROPRIATE WINTER CLOTHING.

$$
000 
WWUS45 KTFX 151901
WSWTFX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE GREAT FALLS MT
1201 PM MST MON DEC 15 2008

MTZ009>014-044>051-054-152015-
/O.EXP.KTFX.WC.W.0002.000000T0000Z-081215T1900Z/
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-MEAGHER-
INCLUDING THE CITIES OF...BROWNING...CUT BANK...HAVRE...
GREAT FALLS...FORT BENTON...HELENA...LINCOLN...SHELBY...CHESTER...
CONRAD...CHINOOK...CHOTEAU...FAIRFIELD...STANFORD...LEWISTOWN...
WHITE SULPHUR SPRINGS
1201 PM MST MON DEC 15 2008

...WIND CHILL WARNING WILL EXPIRE AT NOON MST TODAY...

THE WIND CHILL WARNING WILL EXPIRE AT NOON MST TODAY. 

WINDS HAVE GENERALLY DIMINISHED BELOW 10 MPH. HOWEVER VERY COLD
WIND CHILL TEMPERATURES WILL CONTINUE THROUGH THE REMAINDER OF THE
AFTERNOON AND ALSO TONIGHT. 

$$

MTZ008-015-052-053-055-152015-
/O.EXP.KTFX.WC.Y.0008.000000T0000Z-081215T1900Z/
BEAVERHEAD-MADISON-JEFFERSON-BROADWATER-GALLATIN-
INCLUDING THE CITIES OF...DILLON...ENNIS...BOULDER...TOWNSEND...
BOZEMAN...WEST YELLOWSTONE
1201 PM MST MON DEC 15 2008

...WIND CHILL ADVISORY WILL EXPIRE AT NOON MST TODAY...

THE WIND CHILL ADVISORY WILL EXPIRE AT NOON MST TODAY. 

WINDS HAVE GENERALLY DIMINISHED BELOW 10 MPH. HOWEVER VERY COLD
WIND CHILL TEMPERATURES WILL CONTINUE THROUGH THE REMAINDER OF THE
AFTERNOON.

$$

What forecasters said that day

The local office's own words before this wind chill 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 wind chill warning went out at Dec 13, 8:54 PM MST, 13 minutes earlier.

Area forecast discussion, Dec 13, 8:54 PM MST, 13 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREAT FALLS MT
854 PM MST SAT DEC 13 2008

.UPDATE...
WILL UPDATE ZONE FORECASTS BY 915 PM MST...AND WILL UPDATE STATE
FORECAST BY 10 PM MST. SNOW AND WIND HAVE DECREASED IN INTENSITY
ACROSS NORTH CENTRAL...CENTRAL...AND SOUTHWEST MONTANA THIS
EVENING. THE WIDESPREAD LIGHT SNOW LINGERING EAST OF A LINE FROM
THE ROCKY MOUNTAIN FRONT SOUTH THROUGH HELENA AND WEST YELLOWSTONE
WILL PERSIST MAINLY THROUGH THE EVENING HOURS...THEN DECREASE
FURTHER AFTER MIDNIGHT. WINDS OF 10 TO 20 MPH WITH OCCASIONAL
GUSTS UP TO 30 MPH WILL CAUSE AREAS OF BLOWING SNOW...AGAIN MAINLY
THROUGH MIDNIGHT. THEREFORE...HAVE CANCELLED THE BLIZZARD WARNINGS
AND WINTER STORM WARNINGS. DUE TO THE LINGERING SNOW AND GUSTY
WINDS MAINLY ACROSS NORTH CENTRAL AND CENTRAL MONTANA...WILL GO
WITH A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW THROUGH
MIDNIGHT THERE. OTHERWISE...TEMPERATURES WILL CONTINUE TO DROP
INTO THE TEENS AND 20S BELOW ZERO ACROSS THE AREA TONIGHT. WITH
WINDS EXPECTED TO STAY AROUND 10 TO 15 MPH WITH OCCASIONAL
GUSTS...WIND CHILL TEMPERATURES WILL FALL INTO THE 40 TO 55 DEGREE
BELOW ZERO RANGE ACROSS NORTH CENTRAL AND CENTRAL MONTANA...SO
WILL GO WITH A WIND CHILL WARNING THERE UNTIL WINDS DECREASE
AROUND NOON MST ON SUNDAY. IN SOUTHWEST MONTANA...WINDS WILL BE
SIMILARLY BLUSTERY...BUT WIND CHILL TEMPERATURES ARE ONLY EXPECTED
TO FALL INTO THE 30 TO 40 DEGREE BELOW ZERO RANGE...SO WILL GO
WITH A WIND CHILL ADVISORY THERE UNTIL NOON MST SUNDAY. REMAINDER
OF THE FORECAST IS IN GOOD SHAPE.  COULSTON

&&

.AVIATION...
UPDATED 14/0000Z...
EXPECT MVFR TO IFR CONDITIONS TO CONTINUE TONIGHT AT ALL LOCAL
AIRFIELDS AS MAJOR WINTER STORM SLOWLY DEPARTS TO THE EAST.
PERIOD OF SIGNIFICANT SNOW HAS ENDED BUT RESIDUAL FLURRIES WILL
CONTINUE ACROSS THE REGION TONIGHT. WINDS WILL GRADUALLY DIMINISH
AS WELL... REDUCING THE AMOUNT OF SNOW BLOWING ACROSS RUNWAYS.
SLOW IMPROVEMENT IN CONDITIONS EXPECTED ON SUNDAY WITH PATCHY
SPOTS OF VFR CONDITIONS POSSIBLE BY MID-LATE AFTERNOON.
WARANAUSKAS

&&

.PREV DISCUSSION...
/ISSUED 305 PM MST SAT DEC 13 2008/
BLIZZARD CONDITIONS SLOWLY DIMINISHING OVER THE REGION...WHILE
ARCTIC AIR CONTINUES TO MOVE SOUTHWARD INTO THE AREA.

TONIGHT...BLIZZARD WARNING HAS EXPIRED FOR THE ENTIRE REGION
EXCEPT FOR BLAINE AND FERGUS COUNTY WHERE IT WILL REMAIN IN
EFFECT UNTIL 11 PM. ELSEWHERE A WINTER STORM WARNING IS IN EFFECT
UNTIL 11 PM. THE MAJORITY OF THE SNOW ACCUMULATIONS HAVE
ENDED...AS THE STORM SYSTEM PULLS OUT INTO THE UPPER MIDWEST. SEE
GTFWSWTFX FOR FURTHER DETAILS. EXPECT BITTERLY COLD TEMPERATURES
TO MOVE INTO THE REGION TONIGHT. WIND CHILL VALUES COULD BE AS
COLD AS 50 BELOW IN THE CUT BANK AND HAVRE AREA. A WIND CHILL
WARNING COULD BE ISSUED LATER TONIGHT IF WIND SPEEDS REMAIN
STRONG ENOUGH.

SUNDAY THROUGH MONDAY...EXPECT SCATTERED SNOW SHOWERS TO CONTINUE
OVER SOUTHWEST MONTANA...WHILE ARCTIC AIR CONTINUES TO RESIDE
OVER THE REMAINDER OF THE REGION. OVERNIGHT LOWS COULD APPROACH
40 BELOW IN HIGHER ELEVATIONS. DAYTIME HIGHS WILL REMAIN VERY
COLD...GENERALLY IN THE TEENS BELOW ZERO OVER THE NORTH...AND
AROUND ZERO IN THE SOUTHWEST. BRUSDA

MONDAY NIGHT THROUGH THURSDAY NIGHT...GFS AND ECMWF ARE IN PRETTY
GOOD AGREEMENT DURING THE PERIOD IN A GENERAL SENSE. A SHORTWAVE
IS FORECAST TO MOVE SOUTHEAST THROUGH THE AREA TUESDAY BUT IS NOT
SUPPOSED TO HAVE MUCH MOISTURE WITH IT. IN FACT AHEAD OF IT HAVE
DROPPED THE MENTION OF SNOW OVER A PORTION OF THE PLAINS. SHOULD
SEE SOME SLIGHT MODERATION IN TEMPERATURES TUESDAY AND WEDNESDAY.
BUT THEN ANOTHER SURGE OF ARCTIC AIR WILL INVADE THE AREA LATE
WEDNESDAY INTO THURSDAY. MEANWHILE AN UPPER LOW PRESSURE SYSTEM
WILL DEVELOP OVER THE PACIFIC NORTHWEST ON THURSDAY. MOISTURE IN
A SOUTHWEST FLOW ALOFT AHEAD OF THE LOW WILL FLOW OVER THE ARCTIC
AIR AND BRING ANOTHER SHOT OF SNOW AT LEAST IN THE NORTH. SINCE
THE GFS AND ECMWF AGREE ON THIS IDEA HAVE INCREASED THE CHANCES
OF SNOW OVER MOST OF THE PLAINS INTO THE LIKELY CATEGORY. THIS
ARCTIC AIR LOOKS TO BE ABOUT AS COLD AS WHAT WILL OCCUR LATE THIS
WEEKEND AND EARLY THIS WEEK SO HAVE LOWERED BOTH HIGH AND LOW
TEMPERATURES LATE IN THE WEEK INTO THE WEEKEND. BLANK

&&

.PRELIMINARY POINT TEMPS/POPS...
GTF -27 -19 -31 -16 /  80  20  20  20
CTB -30 -23 -31 -17 /  60  20  20  20
HLN -20 -11 -20  -7 /  30  30  20  20
BZN -19  -5 -19  -4 /  60  30  20  20
WEY -19   1 -12   7 /  70  60  40  40
DLN -19  -2 -16   4 /  30  40  30  30
HVR -26 -19 -31 -18 /  80  20  10  10
LWT -24 -18 -30 -14 /  80  30  20  20

&&

.TFX WATCHES/WARNINGS/ADVISORIES...
WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW UNTIL MIDNIGHT
MST TONIGHT FOR MTZ009>014-044>051-054.

WIND CHILL WARNING UNTIL NOON MST SUNDAY
FOR MTZ009>014-044>051-054.

WIND CHILL ADVISORY UNTIL NOON MST SUNDAY
FOR MTZ008-015-052-053-055.

&&

SHORT TERM...COULSTON/BRUSDA
LONG TERM...BLANK
AVIATION...WARANAUSKAS

WEATHER.GOV/GREATFALLS
Hazardous weather outlook, Dec 13, 3:26 PM MST, 5 hours 41 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE GREAT FALLS MT
326 PM MST SAT DEC 13 2008

MTZ047-051-141400-
BLAINE-FERGUS-
326 PM MST SAT DEC 13 2008

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

A BLIZZARD WARNING IS IN EFFECT UNTIL 11 PM MST TONIGHT.

SEVERE WINTER CONDITIONS ARE EXPECTED TO CONTINUE ACROSS BLAINE
AND FERGUS COUNTIES THROUGH THIS EVENING. THE MAIN IMPACTS FROM
THIS STORM WILL BE REDUCED VISIBILITY DUE TO SIGNIFICANT BLOWING
AND DRIFTING SNOW...VERY LOW WIND CHILL TEMPERATURES...AND
ADDITIONAL SNOW ACCUMULATIONS. SNOW WILL GENERALLY DECREASE
OVERNIGHT...BUT VERY COLD AIR TEMPERATURES AND LINGERING BLUSTERY
WINDS WILL KEEP WIND CHILL TEMPERATURES QUITE LOW OVERNIGHT.
THEREFORE...PRODUCTS SPECIFIC TO WIND CHILLS MAY BE NEEDED LATER
THIS EVENING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

BLOWING AND DRIFTING SNOW WILL CONTINUE TO IMPACT VISIBILITY
THROUGH SUNDAY. AIR TEMPERATURES WILL REMAIN WELL BELOW ZERO...AND
THERE IS THE POTENTIAL FOR CONTINUED BLUSTERY WINDS THROUGH
TUESDAY. VERY COLD WIND CHILL TEMPERATURES WILL CONTINUE TO BE A
SERIOUS THREAT...AND PRODUCTS SPECIFIC TO WIND CHILLS MAY STILL BE
NEEDED THROUGH THE PERIOD.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

MTZ008>015-044>046-048>050-052>055-141400-
BEAVERHEAD-NORTHERN ROCKY MOUNTAIN FRONT-EASTERN GLACIER-HILL-
CASCADE-CHOUTEAU-CENTRAL AND SOUTHERN LEWIS AND CLARK-MADISON-
TOOLE-LIBERTY-EASTERN PONDERA-SOUTHERN ROCKY MOUNTAIN FRONT-
EASTERN TETON-JUDITH BASIN-JEFFERSON-BROADWATER-MEAGHER-GALLATIN-
326 PM MST SAT DEC 13 2008

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

A WINTER STORM WARNING IS IN EFFECT UNTIL 11 PM MST TONIGHT.

WIND AND SNOW WILL CONTINUE TO DECREASE ACROSS NORTH
CENTRAL...CENTRAL...AND SOUTHWEST MONTANA THIS EVENING.
HOWEVER...REDUCED VISIBILITIES DUE TO SIGNIFICANT BLOWING AND
DRIFTING SNOW...VERY LOW WIND CHILL TEMPERATURES...AND ADDITIONAL
SNOW ACCUMULATION WILL CONTINUE THROUGH THE EVENING HOURS. VERY
COLD AIR TEMPERATURES AND LINGERING BLUSTERY WINDS WILL KEEP WIND
CHILL TEMPERATURES QUITE LOW OVERNIGHT. THEREFORE...PRODUCTS
SPECIFIC TO WIND CHILLS MAY BE NEEDED LATER THIS EVENING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

BLOWING AND DRIFTING SNOW WILL CONTINUE TO IMPACT VISIBILITY
THROUGH SUNDAY. AIR TEMPERATURES WILL REMAIN WELL BELOW ZERO...AND
THERE IS THE POTENTIAL FOR CONTINUED BLUSTERY WINDS THROUGH
TUESDAY. VERY COLD WIND CHILL TEMPERATURES WILL CONTINUE TO BE A
SERIOUS THREAT...AND PRODUCTS SPECIFIC TO WIND CHILLS MAY STILL BE
NEEDED THROUGH THE PERIOD.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

In the hours before

Local storm report, Dec 13, 3:18 PM MST, 5 hours 49 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE GREAT FALLS MT
318 PM MST SAT DEC 13 2008

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

0200 AM     BLIZZARD         SIMMS                   47.49N 111.93W
12/13/2008                   CASCADE            MT   TRAINED SPOTTER

            A REPORT OF WINDS GUSTING TO 60 MILES AN HOUR WITH NEAR
            ZERO VISIBILITY.

0215 AM     BLIZZARD         10 NW HELENA            46.70N 112.17W
12/13/2008                   LEWIS AND CLARK    MT   TRAINED SPOTTER

            REPORTS FROM SILVER CITY OF WIND GUSTING TO 50 MILES AN
            HOUR WITH ABOUT ONE QUARTER OF A MILE VISIBILITY.

0220 AM     BLIZZARD         GREAT FALLS             47.50N 111.29W
12/13/2008                   CASCADE            MT   OFFICIAL NWS OBS

            BLIZZARD CONDITIONS CONTINUING AT KGTF SINCE 1 AM LOCAL
            TIME

0220 AM     BLIZZARD         SHELBY                  48.51N 111.86W
12/13/2008                   TOOLE              MT   LAW ENFORCEMENT

            REPORTS OF BLIZZARD CONDITIONS STRANDING MOTORISTS WHO
            ARE SHELTERED IN A LOCAL CHURCH.

0354 AM     BLIZZARD         7 W FAIRFIELD           47.62N 112.13W
12/13/2008                   TETON              MT   TRAINED SPOTTER

            NEAR ZERO VISIBILITY...BRANCHES DOWN...ROOF DAMAGED...
            POWER OUT. SPOTTER REPORTS THAT WIND SO STRONG COULD
            BARELY STAND...WORST STORM SEEN IN DECADES.

0810 AM     NON-TSTM WND GST 15 S BOULDER            46.02N 112.12W
12/13/2008  M50.00 MPH       JEFFERSON          MT   TRAINED SPOTTER

            MEASURED WIND GUST 70 MPH WITH LIGHT SNOW FALLING

0920 AM     SNOW             HAVRE                   48.54N 109.68W
12/13/2008  E5.0 INCH        HILL               MT   TRAINED SPOTTER

            ESTIMATED 3 TO 5 INCHES OF SNOW AT 930 AM LOCAL TIME

0920 AM     BLIZZARD         3 N DILLON              45.26N 112.63W
12/13/2008                   BEAVERHEAD         MT   TRAINED SPOTTER

            4.75 INCHES OF SNOW WITH VISIBILITIES LESS THAN ONE
            QUARTER OF A MILE

1015 AM     BLIZZARD         8 SE CUT BANK           48.55N 112.21W
12/13/2008                   GLACIER            MT   TRAINED SPOTTER

            ESTIMATED 2 TO 3 INCHES SNOW ACCUMLATION WITH LESS THAN
            ONE QUARTER MILE VISIBILITY FOR OVER 3 HOURS

1042 AM     BLIZZARD         20 W CHOTEAU            47.81N 112.61W
12/13/2008                   TETON              MT   TRAINED SPOTTER

            6 INCHES OF NEW SNOW...NORTH WINDS AT 50 MPH...VISIBILITY
            ZERO

1130 AM     SNOW             7 S NEIHART             46.83N 110.74W
12/13/2008  E5.0 INCH        MEAGHER            MT   PUBLIC

            ESTIMATED 6 TO 8 INCHES OF SNOW AT SHOWDOWN AS OF 1130 AM
            LOCAL TIME

1130 AM     BLIZZARD         CHESTER                 48.51N 110.97W
12/13/2008                   LIBERTY            MT   LAW ENFORCEMENT

            ESTIMATED 5 TO 8 INCHES OF SNOW WITH 2 FEET DRIFTS.
            REDUCED VISIBILITIES LESS THAN ONE QUARTER OF A MILE
            SINCE 8AM

1200 PM     BLIZZARD         27 N RUDYARD            48.95N 110.55W
12/13/2008                   HILL               MT   TRAINED SPOTTER

            ESTIMATED 3 TO 5 INCHES OF SNOW WITH 2 TO 4 FEET DRIFTS
            AS OF NOON LOCAL TIME. LESS THAN ONE QUARTER OF A MILE
            VISIBILITY SINCE APPROXIMATELY 130 AM.

1200 PM     BLIZZARD         SE CHINOOK              48.59N 109.23W
12/13/2008                   BLAINE             MT   CO-OP OBSERVER

            ESTIMATED 8 INCHES OF SNOW WITH LESS THAN ONE QUARTER OF
            A MILE VISIBILITY SINCE 4 AM LOCAL TIME.

1228 PM     BLIZZARD         1 N SIMMS               47.51N 111.93W
12/13/2008                   CASCADE            MT   TRAINED SPOTTER

            SUSTAINED WIND 40 GUST 60 MPH AT 2 AM...3 INCHES OF
            SNOW...VISIBILITY 1/4 MILES OR LESS FROM 2 AM UNTIL 1225
            PM MST.

1245 PM     BLIZZARD         12 E CONRAD             48.17N 111.69W
12/13/2008                   PONDERA            MT   TRAINED SPOTTER

            ESTIMATED 3 TO 4 INCHES OF SNOW. LESS THAN ONE QUARTER OF
            A MILE VISIBILITY BETWEEN 7AM MST AND NOON MST.

0100 PM     BLIZZARD         8 E POWER               47.72N 111.51W
12/13/2008                   TETON              MT   TRAINED SPOTTER

            ESTIMATED 2 TO 4 INCHES OF SNOW WITH 3 FEET DRIFTS. LESS
            THAN ONE QUARTER OF A MILE VISIBILITY SINCE 9 AM MST.

0101 PM     HEAVY SNOW       3 N DILLON              45.26N 112.63W
12/13/2008  M7.0 INCH        BEAVERHEAD         MT   TRAINED SPOTTER

            DRIFTS TO 1 FOOT...NORTH WINDS 20-30 MPH...VISIBILITY 1/2
            MILE.

0130 PM     BLIZZARD         3 SW CRAIG              47.04N 112.01W
12/13/2008                   LEWIS AND CLARK    MT   TRAINED SPOTTER

            ESTIMATED 3 INCHES OF SNOW WITH LESS THAN ONE QUARTER OF
            A MILE VISIBILITY ESTIMATED BETWEEN 8 AM AND NOON MST.

0130 PM     BLIZZARD         3 ESE WOLF CREEK        46.99N 112.01W
12/13/2008                   LEWIS AND CLARK    MT   CO-OP OBSERVER

            ESTIMATED 3 INCHES OF SNOW ACCUMULATION. LESS THAN ONE
            QUARTER OF A MILE VISIBILITY 630 AM TO 830 AM MST.

0145 PM     BLIZZARD         HOBSON                  47.00N 109.87W
12/13/2008                   JUDITH BASIN       MT   CO-OP OBSERVER

            CONSIDERABLE BLOWING AND DRIFTING SNOW. VISIBILITIES AT
            OR LESS THAN ONE QUARTER OF A MILE SINCE 5 AM MST.

0200 PM     BLIZZARD         BOULDER                 46.24N 112.12W
12/13/2008                   JEFFERSON          MT   TRAINED SPOTTER

            ESTIMATED SNOW ACCUMATION 4 TO 5 INCHES. LESS THAN ONE
            QUARTER OF A MILE VISIBILITY SINCE 7 AM MST.

0230 PM     BLIZZARD         HILGER                  47.25N 109.36W
12/13/2008                   FERGUS             MT   TRAINED SPOTTER

            SEVERAL INCHES OF SNOW ACCUMULATION WITH 2 TO 3 FEET
            DRIFTS. VISIBILITY LESS THAN OR EQUAL TO ONE QUARTER OF A
            MILE BETWEEN 7 AM AND 2 PM MST.

0245 PM     BLIZZARD         WHITE SULPHUR SPRINGS   46.55N 110.90W
12/13/2008                   MEAGHER            MT   LAW ENFORCEMENT

            VISIBILITIES LESS THAN OR EQUAL TO ONE QUARTER OF A MILE
            SINCE 6AM MST. CONSIDERABLE BLOWING AND DRIFTING SNOW.

0300 PM     BLIZZARD         SW BOZEMAN              45.68N 111.04W
12/13/2008                   GALLATIN           MT   LAW ENFORCEMENT

            ESTIMATED SNOW ACCUMULATION 4 TO 5 INCHES WITH
            CONSIDERABLE BLOWING AND DRIFTING. VISIBILITIES LESS THAN
            OR EQUAL TO ONE QUARTER OF A MILE BETWEEN 6 AM AND 10 AM
            MST.

&&

MSYNER

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 13, 9:07 PM MSTWind Chill AdvisoryTFX39 hr
Dec 13, 9:07 PM MSTWinter Weather AdvisoryTFX3 hr

Nearby

Wind Chill Warnings in Montana, 2008Every wind chill warning in 2008

Sources

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