Alert archive / Montana / Winter Storm Warnings in 2012

Winter Storm Warning 8, NWS Billings, MT

May 24, 20125 counties in Montana

NWS Billings, MT issued this winter storm warning at May 24, 2012, 4:02 AM MDT for 5 counties in Montana. It took effect at May 24, 2012, 6:00 PM MDT. It was in force for 58 hr. 8 reports came from inside the area while it was in force.

The area

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

The facts

Issued
May 24, 2012, 4:02 AM MDT (10:02 UTC)
In effect from
May 24, 2012, 6:00 PM MDT
Expired
May 27, 2012, 3:37 AM MDT
In force
58 hr
Issued by
NWS Billings, MT

Counties Carbon County, MT, Park County, MT, Stillwater County, MT, Sweet Grass County, MT, Wheatland County, MT

The radar

The Billings radar (KBLX), 89 km from the middle of the area, began a volume at 10:00 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

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

What was reported inside it

TimeReportWhereRemark
May 25, 5:00 PM MDTSNOW 72 W Red Lodge, MT
May 25, 6:00 PM MDTSNOW 65 W Melville, MT
May 26, 1:00 AM MDTSNOW 135 W Red Lodge, MTCOLE CREEK SNOTEL
May 26, 6:00 AM MDTSNOW 6.93 Ne Red Lodge, MT
May 26, 7:00 AM MDTSNOW 66 W Bridger, MT
May 26, 7:00 AM MDTSNOW 6.41 W Melville, MT
May 26, 7:00 AM MDTSNOW 81 S Red Lodge, MT
May 26, 7:00 AM MDTSNOW 9.24 N Red Lodge, MT

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

The nearest sounding before it

Great_falls, MT (KTFX), launched 00:00Z, 10.0 hours before the alert went out and 203 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Great_falls, MT at 00:00Z on 2012-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Great_falls, MT at 00:00Z on 2012-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -65 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2779 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-65 m²/s²
0-3 km storm-relative helicity
-58 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

319 
WWUS45 KBYZ 241002
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
402 AM MDT THU MAY 24 2012

.A POTENT LATE SPRING STORM SYSTEM WILL BRING HEAVY SNOW TO AREA
MOUNTAINS BEGINNING LATE THIS AFTERNOON. EXPECT THE HEAVIEST
SNOWFALL ABOVE 7500 FEET...HOWEVER SEVERAL INCHES OF HEAVY WET
SNOW ARE POSSIBLE AS LOW AS 4500 FEET FRIDAY AND SATURDAY MORNING.
THE HEAVIEST SNOWFALL IS LIKELY TO OCCUR FRIDAY AFTERNOON AND
FRIDAY NIGHT. MOUNTAIN ROADWAYS INCLUDING THE BEARTOOTH PASS WILL
BECOME SNOW PACKED AND ICY...WHILE ROADWAYS IN THE FOOTHILLS WILL
BE MAINLY WET TO SLUSH COVERED AT TIMES THROUGH SUNDAY. HEAVY WET
SNOW ON TREES AND POWER LINES MAY RESULT IN POWER OUTAGES AS WELL
AS TREE DAMAGE. 

MTZ067-068-251015-
/O.UPG.KBYZ.WS.A.0006.120525T0000Z-120527T1200Z/
/O.NEW.KBYZ.WS.W.0008.120525T0000Z-120527T1200Z/
ABSAROKA/BEARTOOTH MOUNTAINS-CRAZY MOUNTAINS-
INCLUDING THE LOCATIONS OF...COOKE CITY
402 AM MDT THU MAY 24 2012

...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 AM
MDT SUNDAY...

THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 6 PM THIS
EVENING TO 6 AM MDT SUNDAY. 

* TIMING...SNOW WILL DEVELOP IN THE HIGHEST ELEVATIONS TODAY AND
  WILL INTENSIFY AND LOWER INTO THE VALLEYS TONIGHT. THE HEAVIEST
  SNOWFALL IS EXPECTED FRIDAY THROUGH FRIDAY NIGHT. SNOW SHOULD
  TAPER OFF SUNDAY MORNING. 

* SNOW ACCUMULATION...1 TO 2 FEET OF SNOW IS EXPECTED WITH LOCALLY
  HEAVIER ACCUMULATIONS ON NORTH AND EAST FACING SLOPES.

* IMPACTS...HEAVY WET SNOW ON POWER LINES AND TREES MAY RESULT IN
  POWER OUTAGES AS WELL AS TREE DAMAGE. MOUNTAIN ROADWAYS WILL
  BECOME SNOW PACKED AND ICY TONIGHT THROUGH SUNDAY...AND MAY
  BECOME IMPASSABLE IN SPOTS...INCLUDING OVER BEARTOOTH PASS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

WYZ098-251015-
/O.NEW.KBYZ.WS.W.0008.120525T0000Z-120526T1200Z/
NORTHEAST BIG HORN MOUNTAINS-
INCLUDING THE LOCATIONS OF...BURGESS JCT
402 AM MDT THU MAY 24 2012

...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 AM
MDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 6 PM THIS
EVENING TO 6 AM MDT SATURDAY.

* TIMING...SNOW WILL DEVELOP THIS AFTERNOON AND INTENSIFY TONIGHT.
  THE HEAVIEST SNOWFALL WILL LIKELY OCCUR FRIDAY INTO FRIDAY
  NIGHT. SNOW WILL DIMINISH SATURDAY MORNING. 

* SNOW ACCUMULATION...AROUND A FOOT OF SNOW IS EXPECTED.

* IMPACTS...HEAVY WET SNOW ON POWER LINES AND TREES MAY RESULT IN
  POWER OUTAGES AS WELL AS TREE DAMAGE. MOUNTAIN ROADWAYS WILL
  BECOME SNOW PACKED AND ICY TONIGHT THROUGH SUNDAY...AND MAY
  BECOME IMPASSABLE IN SPOTS...INCLUDING HIGHWAY 14.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ056-066-251015-
/O.CON.KBYZ.WS.A.0006.120525T0000Z-120527T1200Z/
RED LODGE FOOTHILLS-BEARTOOTH FOOTHILLS-
INCLUDING THE LOCATIONS OF...RED LODGE...ROBERTS...ROSCOE...
FISHTAIL...MCLEOD...NYE
402 AM MDT THU MAY 24 2012

...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
LATE SATURDAY NIGHT...

A WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
LATE SATURDAY NIGHT. 

* TIMING...MODERATE TO HEAVY SNOW IS POSSIBLE FROM LATE TONIGHT
  THROUGH SATURDAY NIGHT...WITH HEAVIEST SNOWFALL OCCURRING FRIDAY
  AFTERNOON THROUGH EARLY SATURDAY MORNING.

* SNOW ACCUMULATION...4 TO 8 INCHES WITH LOCALLY HEAVIER
  ACCUMULATIONS ARE POSSIBLE. 

* IMPACTS...VISIBILITY COULD BE SIGNIFICANTLY REDUCED IN FALLING
  SNOW MAKING TRAVEL DIFFICULT AT TIMES. HEAVY WET SNOW FALLING ON
  POWER LINES AND TREES MAY RESULT IN POWER OUTAGES AND TREE DAMAGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH IS ISSUED WHEN SEVERE WINTER WEATHER IS
POSSIBLE BUT NOT IMMINENT. AT THIS TIME THERE IS A POTENTIAL FOR
SIGNIFICANT SNOW. FUTURE DRIVING AND WALKING CONDITIONS MAY
BECOME HAZARDOUS SO IT IS IMPORTANT TO MONITOR THE LATEST
FORECASTS.

&&

$$

HTTP://WEATHER.GOV/BILLINGS
12 follow-up statements
406 
WWUS45 KBYZ 242145
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
345 PM MDT THU MAY 24 2012

.A POTENT LATE SPRING STORM SYSTEM WILL BRING HEAVY SNOW TO AREA
MOUNTAINS BEGINNING THIS EVENING. EXPECT THE HEAVIEST SNOWFALL
ABOVE 7500 FEET...HOWEVER SEVERAL INCHES OF HEAVY WET SNOW ARE
POSSIBLE AS LOW AS 4500 FEET FRIDAY AND SATURDAY MORNING. THE
HEAVIEST SNOWFALL IS LIKELY TO OCCUR FRIDAY AFTERNOON AND FRIDAY
NIGHT.

MTZ067-068-252145-
/O.CON.KBYZ.WS.W.0008.120525T0000Z-120527T1200Z/
ABSAROKA/BEARTOOTH MOUNTAINS-CRAZY MOUNTAINS-
INCLUDING THE LOCATIONS OF...COOKE CITY
345 PM MDT THU MAY 24 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY...

A WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN EFFECT UNTIL 6 AM
MDT SUNDAY.

* TIMING...SNOW WILL DEVELOP AT THE HIGHEST ELEVATIONS THIS
  EVENING AND INTENSIFY OVERNIGHT AND INTO FRIDAY. THE HEAVIEST
  SNOWFALL IS EXPECTED FRIDAY THROUGH FRIDAY NIGHT. SNOW SHOULD
  TAPER OFF SUNDAY MORNING.

* SNOW ACCUMULATION...1 TO 2 FEET OF SNOW IS EXPECTED WITH LOCALLY
  HEAVIER ACCUMULATIONS ON NORTH AND EAST FACING SLOPES. WEST AND
  SOUTH FACING SLOPES WILL ALSO SEE PERIODS OF HEAVY SNOW BY LATE
  SATURDAY INTO SATURDAY NIGHT. 

* IMPACTS...HEAVY WET SNOW ON POWER LINES AND TREES MAY RESULT 
  IN POWER OUTAGES AS WELL AS TREE DAMAGE. MOUNTAIN ROADWAYS 
  WILL BECOME SNOW PACKED AND ICY TONIGHT THROUGH SUNDAY...AND 
  MAY BECOME IMPASSABLE IN SPOTS...INCLUDING OVER BEARTOOTH 
  PASS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

WYZ098-252145-
/O.CON.KBYZ.WS.W.0008.120525T0000Z-120526T1200Z/
NORTHEAST BIG HORN MOUNTAINS-
INCLUDING THE LOCATIONS OF...BURGESS JCT
345 PM MDT THU MAY 24 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT
SATURDAY...

A WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN EFFECT UNTIL 6
AM MDT SATURDAY.

* TIMING...SNOW SHOWERS WILL INCREASE THIS EVENING AND INTENSIFY
  TONIGHT. THE HEAVIEST SNOWFALL WILL LIKELY OCCUR FRIDAY INTO
  FRIDAY NIGHT. SNOW WILL DIMINISH SATURDAY MORNING.

* SNOW ACCUMULATION...AROUND A FOOT OF SNOW IS EXPECTED.

* IMPACTS...HEAVY WET SNOW ON POWER LINES AND TREES MAY RESULT 
  IN POWER OUTAGES AS WELL AS TREE DAMAGE. MOUNTAIN ROADWAYS 
  WILL BECOME SNOW PACKED AND ICY TONIGHT THROUGH SUNDAY...AND 
  MAY BECOME IMPASSABLE IN SPOTS...INCLUDING HIGHWAY 14.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ056-066-252145-
/O.UPG.KBYZ.WS.A.0006.120525T0000Z-120527T1200Z/
/O.NEW.KBYZ.WW.Y.0016.120525T0600Z-120526T1800Z/
RED LODGE FOOTHILLS-BEARTOOTH FOOTHILLS-
INCLUDING THE LOCATIONS OF...RED LODGE...ROBERTS...ROSCOE...
FISHTAIL...MCLEOD...NYE
345 PM MDT THU MAY 24 2012

...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON MDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM MIDNIGHT
TONIGHT TO NOON MDT SATURDAY. 

* TIMING...PERSISTENT AREAS OF RAIN MIXED WITH SNOW ARE EXPECTED
  FROM LATE TONIGHT THROUGH SATURDAY MORNING. THERE WILL BE
  PERIODS OF MODERATE TO HEAVY SNOW...PARTICULARLY DURING
  OVERNIGHT HOURS WHEN SNOWFALL MAY ACCUMULATE. THE PRECIPITATION
  IS EXPECTED TO BECOME PRIMARILY RAIN BY SATURDAY AFTERNOON. 

* SNOW ACCUMULATION...DUE TO THE WET NATURE OF THE SNOW...ACCUMULATIONS
  MAY VARY...BUT ARE GENERALLY EXPECTED TO TOTAL BETWEEN 4 AND 8
  INCHES THROUGH SATURDAY MORNING.

* IMPACTS...VISIBILITY COULD BE SIGNIFICANTLY REDUCED IN 
  FALLING SNOW MAKING TRAVEL DIFFICULT AT TIMES. HEAVY WET 
  SNOW FALLING ON POWER LINES AND TREES MAY RESULT IN POWER 
  OUTAGES AND TREE DAMAGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY CAN BE ISSUED FOR A VARIETY OF WINTER
WEATHER CONDITIONS SUCH AS LIGHT SNOW...BLOWING SNOW...SLEET...
FREEZING RAIN...AND EXTREME WIND CHILLS.

&&

$$

HTTP://WEATHER.GOV/BILLINGS
400 
WWUS45 KBYZ 250330
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
930 PM MDT THU MAY 24 2012

.A POTENT LATE SPRING STORM SYSTEM WILL BRING HEAVY SNOW TO AREA
MOUNTAINS BEGINNING TONIGHT. EXPECT THE HEAVIEST SNOWFALL
ABOVE 7500 FEET...HOWEVER SEVERAL INCHES OF HEAVY WET SNOW ARE
POSSIBLE AS LOW AS 4500 FEET FRIDAY AND SATURDAY MORNING. THE
HEAVIEST SNOWFALL IS LIKELY TO OCCUR FRIDAY AFTERNOON AND FRIDAY
NIGHT.

MTZ067-068-271200-
/O.CON.KBYZ.WS.W.0008.000000T0000Z-120527T1200Z/
ABSAROKA/BEARTOOTH MOUNTAINS-CRAZY MOUNTAINS-
INCLUDING THE LOCATIONS OF...COOKE CITY
930 PM MDT THU MAY 24 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY...

A WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN EFFECT UNTIL 6 AM
MDT SUNDAY.

* TIMING...SNOW WILL DEVELOP AT THE HIGHEST ELEVATIONS TONIGHT AND
  INTENSIFY BY FRIDAY. THE HEAVIEST SNOWFALL IS EXPECTED FRIDAY
  AFTERNOON THROUGH FRIDAY NIGHT. SNOW SHOULD TAPER OFF SUNDAY
  MORNING.

* SNOW ACCUMULATION...1 TO 2 FEET OF SNOW IS EXPECTED WITH
  LOCALLY HEAVIER ACCUMULATIONS ON NORTH AND EAST FACING 
  SLOPES. WEST AND SOUTH FACING SLOPES WILL ALSO SEE PERIODS 
  OF HEAVY SNOW BY LATE SATURDAY INTO SATURDAY NIGHT. 

* IMPACTS...HEAVY WET SNOW ON POWER LINES AND TREES MAY RESULT 
  IN POWER OUTAGES AS WELL AS TREE DAMAGE. MOUNTAIN ROADWAYS 
  WILL BECOME SNOW PACKED AND ICY TONIGHT THROUGH SUNDAY...AND 
  MAY BECOME IMPASSABLE IN SPOTS...INCLUDING OVER BEARTOOTH 
  PASS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

WYZ098-261200-
/O.CON.KBYZ.WS.W.0008.000000T0000Z-120526T1200Z/
NORTHEAST BIG HORN MOUNTAINS-
INCLUDING THE LOCATIONS OF...BURGESS JCT
930 PM MDT THU MAY 24 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT
SATURDAY...

A WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN EFFECT UNTIL 6 AM
MDT SATURDAY.

* TIMING...SNOW SHOWERS WILL INCREASE TONIGHT AND INTENSIFY ON
  FRIDAY. THE HEAVIEST SNOWFALL WILL LIKELY OCCUR FRIDAY INTO
  FRIDAY NIGHT. SNOW WILL DIMINISH SATURDAY MORNING.

* SNOW ACCUMULATION...AROUND A FOOT OF SNOW IS EXPECTED.

* IMPACTS...HEAVY WET SNOW ON POWER LINES AND TREES MAY RESULT 
  IN POWER OUTAGES AS WELL AS TREE DAMAGE. MOUNTAIN ROADWAYS 
  WILL BECOME SNOW PACKED AND ICY TONIGHT THROUGH SUNDAY...AND 
  MAY BECOME IMPASSABLE IN SPOTS...INCLUDING HIGHWAY 14.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ056-066-261800-
/O.CON.KBYZ.WW.Y.0016.120525T0600Z-120526T1800Z/
RED LODGE FOOTHILLS-BEARTOOTH FOOTHILLS-
INCLUDING THE LOCATIONS OF...RED LODGE...ROBERTS...ROSCOE...
FISHTAIL...MCLEOD...NYE
930 PM MDT THU MAY 24 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
SATURDAY...

A WINTER WEATHER ADVISORY FOR SNOW REMAINS IN EFFECT UNTIL NOON MDT
SATURDAY.

* TIMING...A MIX OF RAIN AND SNOW IS EXPECTED TONIGHT THROUGH
  SATURDAY MORNING. THERE WILL BE PERIODS OF HEAVY SNOW...WITH THE
  GREATEST THREAT OF ACCUMULATIONS BEING DURING THE NIGHTTIME
  HOURS. THE PRECIPITATION IS EXPECTED TO BECOME PRIMARILY RAIN
  BY SATURDAY AFTERNOON.

* SNOW ACCUMULATION...DUE TO THE WET NATURE OF THE SNOW...
  ACCUMULATIONS MAY VARY...BUT ARE GENERALLY EXPECTED TO TOTAL 
  BETWEEN 4 AND 8 INCHES THROUGH SATURDAY MORNING. 

* IMPACTS...VISIBILITY WILL BE SIGNIFICANTLY REDUCED IN FALLING
  SNOW AT TIMES...MAKING TRAVEL DIFFICULT. HEAVY WET SNOW FALLING
  ON POWER LINES AND TREES MAY RESULT IN POWER OUTAGES AND TREE
  DAMAGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

HTTP://WEATHER.GOV/BILLINGS
145 
WWUS45 KBYZ 251000
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
400 AM MDT FRI MAY 25 2012

MTZ067-068-261000-
/O.CON.KBYZ.WS.W.0008.000000T0000Z-120527T1200Z/
ABSAROKA/BEARTOOTH MOUNTAINS-CRAZY MOUNTAINS-
INCLUDING THE LOCATIONS OF...COOKE CITY
400 AM MDT FRI MAY 25 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY...

A WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN EFFECT UNTIL 6
AM MDT SUNDAY.

* TIMING...SNOW WILL DEVELOP THIS MORNING. THE HEAVIEST SNOWFALL
  IS EXPECTED THIS AFTERNOON THROUGH TONIGHT. SNOW WILL TAPER OFF SUNDAY
  MORNING.

* SNOW ACCUMULATION...1 TO 2 FEET OF SNOW IS EXPECTED WITH 
  LOCALLY HEAVIER ACCUMULATIONS ON NORTH AND EAST FACING 
  SLOPES. WEST AND SOUTH FACING SLOPES WILL ALSO SEE PERIODS 
  OF HEAVY SNOW BY LATE SATURDAY INTO SATURDAY NIGHT.

* IMPACTS...HEAVY WET SNOW ON POWER LINES AND TREES MAY RESULT 
  IN POWER OUTAGES AS WELL AS TREE DAMAGE. MOUNTAIN ROADWAYS 
  WILL BECOME SNOW PACKED AND ICY TONIGHT THROUGH SUNDAY...AND 
  MAY BECOME IMPASSABLE IN SPOTS...INCLUDING OVER BEARTOOTH 
  PASS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

WYZ098-261000-
/O.CON.KBYZ.WS.W.0008.000000T0000Z-120526T1200Z/
NORTHEAST BIG HORN MOUNTAINS-
INCLUDING THE LOCATIONS OF...BURGESS JCT
400 AM MDT FRI MAY 25 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT
SATURDAY...

A WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN EFFECT UNTIL 6
AM MDT SATURDAY.

* TIMING...SNOW SHOWERS WILL DEVELOP TODAY. THE HEAVIEST SNOWFALL
  WILL LIKELY OCCUR TONIGHT. SNOW WILL DIMINISH SATURDAY
  MORNING.

* SNOW ACCUMULATION...AROUND A FOOT OF SNOW IS EXPECTED.

* IMPACTS...HEAVY WET SNOW ON POWER LINES AND TREES MAY RESULT 
  IN POWER OUTAGES AS WELL AS TREE DAMAGE. MOUNTAIN ROADWAYS 
  WILL BECOME SNOW PACKED AND ICY TONIGHT THROUGH SUNDAY...AND 
  MAY BECOME IMPASSABLE IN SPOTS...INCLUDING HIGHWAY 14.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ056-066-261000-
/O.CON.KBYZ.WW.Y.0016.000000T0000Z-120526T1800Z/
RED LODGE FOOTHILLS-BEARTOOTH FOOTHILLS-
INCLUDING THE LOCATIONS OF...RED LODGE...ROBERTS...ROSCOE...
FISHTAIL...MCLEOD...NYE
400 AM MDT FRI MAY 25 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
SATURDAY...

A WINTER WEATHER ADVISORY FOR SNOW REMAINS IN EFFECT UNTIL NOON
MDT SATURDAY.

* TIMING...A MIX OF RAIN AND SNOW IS EXPECTED TODAY THROUGH
  SATURDAY MORNING. THERE WILL BE PERIODS OF HEAVY SNOW...WITH THE
  GREATEST THREAT OF ACCUMULATIONS DURING THE NIGHTTIME HOURS. PRECIPITATION
  IS EXPECTED TO BECOME PRIMARILY RAIN BY SATURDAY AFTERNOON.

* SNOW ACCUMULATION...DUE TO THE WET NATURE OF THE SNOW... 
  ACCUMULATIONS MAY VARY...BUT ARE GENERALLY EXPECTED TO TOTAL 
  BETWEEN 4 AND 8 INCHES THROUGH SATURDAY MORNING.

* IMPACTS...VISIBILITY WILL BE SIGNIFICANTLY REDUCED IN FALLING 
  SNOW AT TIMES...MAKING TRAVEL DIFFICULT. HEAVY WET SNOW 
  FALLING ON POWER LINES AND TREES MAY RESULT IN POWER OUTAGES 
  AND TREE DAMAGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

HTTP://WEATHER.GOV/BILLINGS
761 
WWUS45 KBYZ 251546
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
946 AM MDT FRI MAY 25 2012

MTZ067-068-261600-
/O.CON.KBYZ.WS.W.0008.000000T0000Z-120527T1200Z/
ABSAROKA/BEARTOOTH MOUNTAINS-CRAZY MOUNTAINS-
INCLUDING THE LOCATIONS OF...COOKE CITY
946 AM MDT FRI MAY 25 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY...

A WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN EFFECT UNTIL 6 AM MDT
SUNDAY.

* TIMING...SNOW WILL CONTINUE THIS MORNING. THE HEAVIEST SNOWFALL IS
  EXPECTED THIS AFTERNOON THROUGH TONIGHT. SNOW WILL TAPER OFF
  SUNDAY MORNING.

* SNOW ACCUMULATION...1 TO 2 FEET OF SNOW IS EXPECTED WITH 
  LOCALLY HEAVIER ACCUMULATIONS ON NORTH AND EAST FACING 
  SLOPES. WEST AND SOUTH FACING SLOPES WILL ALSO SEE PERIODS 
  OF HEAVY SNOW BY LATE SATURDAY INTO SATURDAY NIGHT.

* IMPACTS...HEAVY WET SNOW ON POWER LINES AND TREES MAY RESULT 
  IN POWER OUTAGES AS WELL AS TREE DAMAGE. MOUNTAIN ROADWAYS 
  WILL BECOME SNOW PACKED AND ICY TONIGHT THROUGH SUNDAY...AND 
  MAY BECOME IMPASSABLE IN SPOTS...INCLUDING OVER BEARTOOTH 
  PASS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

WYZ098-261200-
/O.CON.KBYZ.WS.W.0008.000000T0000Z-120526T1200Z/
NORTHEAST BIG HORN MOUNTAINS-
INCLUDING THE LOCATIONS OF...BURGESS JCT
946 AM MDT FRI MAY 25 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT
SATURDAY...

A WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN EFFECT UNTIL 6 AM MDT
SATURDAY.

* TIMING...SNOW SHOWERS WILL DEVELOP TODAY. THE HEAVIEST SNOWFALL
  WILL LIKELY OCCUR TONIGHT. SNOW IS EXPECTED TO DIMINISH
  SATURDAY MORNING.

* SNOW ACCUMULATION...AROUND A FOOT OF SNOW IS EXPECTED.

* IMPACTS...HEAVY WET SNOW ON POWER LINES AND TREES MAY RESULT 
  IN POWER OUTAGES AS WELL AS TREE DAMAGE. MOUNTAIN ROADWAYS 
  WILL BECOME SNOW PACKED AND ICY TONIGHT THROUGH SUNDAY...AND 
  MAY BECOME IMPASSABLE IN SPOTS...INCLUDING HIGHWAY 14.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ056-066-261600-
/O.CON.KBYZ.WW.Y.0016.000000T0000Z-120526T1800Z/
RED LODGE FOOTHILLS-BEARTOOTH FOOTHILLS-
INCLUDING THE LOCATIONS OF...RED LODGE...ROBERTS...ROSCOE...
FISHTAIL...MCLEOD...NYE
946 AM MDT FRI MAY 25 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
SATURDAY...

A WINTER WEATHER ADVISORY FOR SNOW REMAINS IN EFFECT UNTIL NOON MDT
SATURDAY.

* TIMING...A MIX OF RAIN AND SNOW IS EXPECTED TODAY THROUGH 
  SATURDAY MORNING. THERE WILL BE PERIODS OF HEAVY SNOW...WITH 
  THE GREATEST THREAT OF ACCUMULATIONS DURING THE NIGHTTIME 
  HOURS. PRECIPITATION IS EXPECTED TO BECOME PRIMARILY RAIN BY 
  SATURDAY AFTERNOON. 

* SNOW ACCUMULATION...DUE TO THE WET NATURE OF THE SNOW... 
  ACCUMULATIONS MAY VARY...BUT ARE GENERALLY EXPECTED TO TOTAL 
  BETWEEN 4 AND 8 INCHES THROUGH SATURDAY MORNING.

* IMPACTS...VISIBILITY WILL BE SIGNIFICANTLY REDUCED IN FALLING 
  SNOW AT TIMES...MAKING TRAVEL DIFFICULT. HEAVY WET SNOW 
  FALLING ON POWER LINES AND TREES MAY RESULT IN POWER OUTAGES 
  AND TREE DAMAGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

HTTP://WEATHER.GOV/BILLINGS

HOOLEY
044 
WWUS45 KBYZ 252106
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
306 PM MDT FRI MAY 25 2012

MTZ067-068-262115-
/O.CON.KBYZ.WS.W.0008.000000T0000Z-120527T1200Z/
ABSAROKA/BEARTOOTH MOUNTAINS-CRAZY MOUNTAINS-
INCLUDING THE LOCATIONS OF...COOKE CITY
306 PM MDT FRI MAY 25 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY...

A WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN EFFECT UNTIL 6 AM MDT
SUNDAY.

* TIMING...SNOW WILL CONTINUE THROUGH SATURDAY NIGHT. THE HEAVIEST
  SNOWFALL IS EXPECTED TONIGHT AND AGAIN SATURDAY NIGHT. SNOW
  WILL TAPER OFF SUNDAY MORNING.

* SNOW ACCUMULATION...TOTAL SNOW AMOUNTS OF 1 TO 2 FEET ARE EXPECTED
  WITH LOCALLY HEAVIER ACCUMULATIONS ON NORTH AND EAST FACING
  SLOPES. WEST AND SOUTH FACING SLOPES WILL ALSO SEE PERIODS OF
  HEAVY SNOW BY LATE SATURDAY INTO SATURDAY NIGHT.

* IMPACTS...HEAVY WET SNOW ON POWER LINES AND TREES MAY RESULT 
  IN POWER OUTAGES AS WELL AS TREE DAMAGE. MOUNTAIN ROADWAYS 
  WILL BECOME SNOW PACKED AND ICY TONIGHT THROUGH SUNDAY...AND 
  MAY BECOME IMPASSABLE IN SPOTS...INCLUDING OVER BEARTOOTH 
  PASS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

WYZ098-261200-
/O.CON.KBYZ.WS.W.0008.000000T0000Z-120526T1200Z/
NORTHEAST BIG HORN MOUNTAINS-
INCLUDING THE LOCATIONS OF...BURGESS JCT
306 PM MDT FRI MAY 25 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT
SATURDAY...

A WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN EFFECT UNTIL 6
AM MDT SATURDAY.

* TIMING...PERIODS OF SNOW WILL CONTINUE THROUGH TONIGHT. THE SNOW
  IS EXPECTED TO DIMINISH SATURDAY MORNING.

* SNOW ACCUMULATION...AROUND A FOOT OF SNOW IS EXPECTED.

* IMPACTS...HEAVY WET SNOW ON POWER LINES AND TREES MAY RESULT 
  IN POWER OUTAGES AS WELL AS TREE DAMAGE. MOUNTAIN ROADWAYS 
  WILL BECOME SNOW PACKED AND ICY TONIGHT THROUGH SUNDAY...AND 
  MAY BECOME IMPASSABLE IN SPOTS...INCLUDING HIGHWAY 14.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ056-066-261800-
/O.CON.KBYZ.WW.Y.0016.000000T0000Z-120526T1800Z/
RED LODGE FOOTHILLS-BEARTOOTH FOOTHILLS-
INCLUDING THE LOCATIONS OF...RED LODGE...ROBERTS...ROSCOE...
FISHTAIL...MCLEOD...NYE
306 PM MDT FRI MAY 25 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
SATURDAY...

A WINTER WEATHER ADVISORY FOR SNOW REMAINS IN EFFECT UNTIL NOON MDT
SATURDAY.

* TIMING...PERIODS OF SNOW...HEAVY AT TIMES...WILL CONTINUE
  THROUGH SATURDAY MORNING. 

* SNOW ACCUMULATION...DUE TO THE WET NATURE OF THE SNOW... 
  ACCUMULATIONS MAY VARY...BUT ARE GENERALLY EXPECTED TO TOTAL 
  BETWEEN 4 AND 8 INCHES THROUGH SATURDAY MORNING.

* IMPACTS...VISIBILITY WILL BE SIGNIFICANTLY REDUCED IN FALLING 
  SNOW AT TIMES...MAKING TRAVEL DIFFICULT. HEAVY WET SNOW 
  FALLING ON POWER LINES AND TREES MAY RESULT IN POWER OUTAGES 
  AND TREE DAMAGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

HTTP://WEATHER.GOV/BILLINGS

HOOLEY
326 
WWUS45 KBYZ 260344
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
944 PM MDT FRI MAY 25 2012

MTZ067-068-271200-
/O.CON.KBYZ.WS.W.0008.000000T0000Z-120527T1200Z/
ABSAROKA/BEARTOOTH MOUNTAINS-CRAZY MOUNTAINS-
INCLUDING THE LOCATIONS OF...COOKE CITY
944 PM MDT FRI MAY 25 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY...

A WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN EFFECT UNTIL 6 AM
MDT SUNDAY.

* TIMING...SNOW WILL BE HEAVY AT TIMES TONIGHT THROUGH SATURDAY
  NIGHT. THE SNOW WILL TAPER OFF ON SUNDAY MORNING.

* SNOW ACCUMULATION...AS OF FRIDAY EVENING 9.0 INCHES OF SNOW WAS
  REPORTED IN THE COLE CREEK AREA...AND MYSTIC LAKE HAD RECEIVED
  5.0 INCHES. ADDITIONAL SNOWFALL WILL BRING TOTAL ACCUMULATIONS
  OF 1 TO 2 FEET WITH LOCALLY HIGHER AMOUNTS BY LATE SATURDAY
  NIGHT...WITH THE HIGHEST AMOUNTS ON NORTH AND EAST FACING
  SLOPES.

* IMPACTS...HEAVY WET SNOW ON POWER LINES AND TREES MAY RESULT IN
  POWER OUTAGES AS WELL AS TREE DAMAGE. MOUNTAIN ROADWAYS WILL BE
  SNOW PACKED AND ICY THROUGH SUNDAY...AND MAY BE IMPASSABLE IN
  SPOTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

WYZ098-261200-
/O.CON.KBYZ.WS.W.0008.000000T0000Z-120526T1200Z/
NORTHEAST BIG HORN MOUNTAINS-
INCLUDING THE LOCATIONS OF...BURGESS JCT
944 PM MDT FRI MAY 25 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT
SATURDAY...

A WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN EFFECT UNTIL 6 AM
MDT SATURDAY.

* TIMING...PERIODS OF MODERATE TO HEAVY SNOW WILL OCCUR TONIGHT.
  THE SNOW WILL DIMINISH BY SATURDAY MORNING. 

* SNOW ACCUMULATION...AROUND A FOOT OF SNOW IS EXPECTED.

* IMPACTS...HEAVY WET SNOW ON POWER LINES AND TREES MAY RESULT 
  IN POWER OUTAGES AS WELL AS TREE DAMAGE. MOUNTAIN ROADWAYS 
  WILL BECOME SNOW PACKED AND ICY TONIGHT THROUGH SUNDAY...AND 
  MAY BECOME IMPASSABLE IN SPOTS...INCLUDING HIGHWAY 14.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ056-066-261800-
/O.CON.KBYZ.WW.Y.0016.000000T0000Z-120526T1800Z/
RED LODGE FOOTHILLS-BEARTOOTH FOOTHILLS-
INCLUDING THE LOCATIONS OF...RED LODGE...ROBERTS...ROSCOE...
FISHTAIL...MCLEOD...NYE
944 PM MDT FRI MAY 25 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
SATURDAY...

A WINTER WEATHER ADVISORY FOR SNOW REMAINS IN EFFECT UNTIL NOON
MDT SATURDAY.

* TIMING...PERIODS OF SNOW...HEAVY AT TIMES...WILL CONTINUE 
  THROUGH SATURDAY MORNING. 

* SNOW ACCUMULATION...AS OF EARLY FRIDAY EVENING...5 TO 7 INCHES
  OF SNOW WAS REPORTED IN THE RED LODGE AREA...MAINLY ON GRASSY
  SURFACES. AN ADDITIONAL 2 TO 4 INCHES OF SNOW WILL FALL TONIGHT
  AND SATURDAY MORNING...BUT SINCE SOME OF THE FRIDAY SNOW MELTED
  DURING THE DAY...TOTAL ACCUMULATIONS WILL STILL ONLY RANGE FROM
  5 TO 10 INCHES OVER THE TWO-DAY PERIOD...MAINLY ON GRASSY SURFACES.

* IMPACTS...VISIBILITY WILL BE SIGNIFICANTLY REDUCED IN FALLING 
  SNOW AT TIMES...MAKING TRAVEL DIFFICULT. HEAVY WET SNOW 
  FALLING ON POWER LINES AND TREES MAY RESULT IN POWER OUTAGES 
  AND TREE DAMAGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

HTTP://WEATHER.GOV/BILLINGS

CJS
538 
WWUS45 KBYZ 260923
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
323 AM MDT SAT MAY 26 2012

WYZ098-261030-
/O.CAN.KBYZ.WS.W.0008.000000T0000Z-120526T1200Z/
NORTHEAST BIG HORN MOUNTAINS-
INCLUDING THE LOCATIONS OF...BURGESS JCT
323 AM MDT SAT MAY 26 2012

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN BILLINGS HAS CANCELED THE WINTER
STORM WARNING. 

THE THREAT OF WIDESPREAD HEAVY SNOW HAS ENDED. THEREFORE...THE
WINTER STORM WARNING HAS BEEN CANCELED. 

$$

MTZ067-068-270930-
/O.CON.KBYZ.WS.W.0008.000000T0000Z-120527T1200Z/
ABSAROKA/BEARTOOTH MOUNTAINS-CRAZY MOUNTAINS-
INCLUDING THE LOCATIONS OF...COOKE CITY
323 AM MDT SAT MAY 26 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY...

A WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN EFFECT UNTIL 6
AM MDT SUNDAY.

* TIMING...SNOW WILL BE HEAVY AT TIMES TODAY THROUGH TONIGHT. THE
  SNOW WILL TAPER OFF ON SUNDAY MORNING.

* SNOW ACCUMULATION...TOTAL ACCUMULATIONS OF 1 TO 2 FEET WITH
  LOCALLY HIGHER AMOUNTS ARE EXPECTED.

* IMPACTS...HEAVY WET SNOW ON POWER LINES AND TREES MAY RESULT IN
  POWER OUTAGES AS WELL AS TREE DAMAGE. MOUNTAIN ROADWAYS WILL BE
  SNOW PACKED AND ICY THROUGH SUNDAY...AND MAY BE IMPASSABLE IN
  SPOTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ056-066-261800-
/O.CON.KBYZ.WW.Y.0016.000000T0000Z-120526T1800Z/
RED LODGE FOOTHILLS-BEARTOOTH FOOTHILLS-
INCLUDING THE LOCATIONS OF...RED LODGE...ROBERTS...ROSCOE...
FISHTAIL...MCLEOD...NYE
323 AM MDT SAT MAY 26 2012

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

A WINTER WEATHER ADVISORY FOR SNOW REMAINS IN EFFECT UNTIL NOON
MDT TODAY.

* TIMING...PERIODS OF SNOW WILL CONTINUE THROUGH THIS MORNING.

* SNOW ACCUMULATION...1 TO 2 INCHES OF ADDITIONAL SNOW ARE EXPECTED.

* IMPACTS...REDUCED VISIBILITIES DUE TO FALLING SNOW AND SLUSHY
  ROADS MAY MAKE TRAVEL HAZARDOUS. HEAVY WET SNOW FALLING ON POWER
  LINES AND TREES MAY RESULT IN POWER OUTAGES AND TREE DAMAGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

HTTP://WEATHER.GOV/BILLINGS
593 
WWUS45 KBYZ 261621
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
1021 AM MDT SAT MAY 26 2012

MTZ056-066-261730-
/O.CAN.KBYZ.WW.Y.0016.000000T0000Z-120526T1800Z/
RED LODGE FOOTHILLS-BEARTOOTH FOOTHILLS-
INCLUDING THE LOCATIONS OF...RED LODGE...ROBERTS...ROSCOE...
FISHTAIL...MCLEOD...NYE
1021 AM MDT SAT MAY 26 2012

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN BILLINGS HAS CANCELLED THE WINTER
WEATHER ADVISORY.

SNOW HAS ENDED ACROSS THE AREA THIS MORNING. ALTHOUGH A FEW SNOW
SHOWERS ARE POSSIBLE THIS MORNING...LITTLE IF ANY ADDITIONAL
ACCUMULATION IS EXPECTED. HOWEVER...ANOTHER ROUND OF RAIN AND
SNOW WILL BE POSSIBLE FOR TONIGHT INTO SUNDAY MORNING. TRAVELERS
AND THOSE WITH OUTDOOR ACTIVITIES WILL NEED TO MONITOR OUR
FORECASTS AS THEY ARE UPDATED THROUGHOUT THE DAY.


$$

MTZ067-068-271200-
/O.CON.KBYZ.WS.W.0008.000000T0000Z-120527T1200Z/
ABSAROKA/BEARTOOTH MOUNTAINS-CRAZY MOUNTAINS-
INCLUDING THE LOCATIONS OF...COOKE CITY
1021 AM MDT SAT MAY 26 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY...

A WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN EFFECT UNTIL 6 AM MDT
SUNDAY.

* TIMING...RAIN AND SNOW SHOWERS WILL CONTINUE TODAY. LITTLE IF
  ANY ADDITIONAL ACCUMULATIONS CAN BE EXPECTED. HOWEVER...ANOTHER
  ROUND OF SNOW...POSSIBLY HEAVY AT TIMES...WILL BE LIKELY TONIGHT
  INTO SUNDAY MORNING. THE SNOW WILL TAPER OFF ON SUNDAY AFTERNOON.

* SNOW ACCUMULATION...ADDITIONAL ACCUMULATIONS OF 5 TO 10 INCHES
  WILL BE POSSIBLE IN THE MOUNTAINS AROUND COOKE CITY. 

* IMPACTS...HEAVY WET SNOW ON POWER LINES AND TREES MAY RESULT 
  IN POWER OUTAGES AS WELL AS TREE DAMAGE. MOUNTAIN ROADWAYS 
  WILL BE SNOW PACKED AND ICY THROUGH SUNDAY...AND MAY BE 
  IMPASSABLE IN SPOTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

HTTP://WEATHER.GOV/BILLINGS

HOOLEY
519 
WWUS45 KBYZ 262107
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
307 PM MDT SAT MAY 26 2012

MTZ067-068-271200-
/O.CON.KBYZ.WS.W.0008.000000T0000Z-120527T1200Z/
ABSAROKA/BEARTOOTH MOUNTAINS-CRAZY MOUNTAINS-
INCLUDING THE LOCATIONS OF...COOKE CITY
307 PM MDT SAT MAY 26 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY...

A WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN EFFECT UNTIL 6 AM MDT
SUNDAY.

* TIMING...RAIN AND SNOW SHOWERS WILL CONTINUE THIS AFTERNOON.
  LITTLE IF ANY ACCUMULATIONS CAN BE EXPECTED THIS AFTERNOON.
  HOWEVER...ANOTHER ROUND OF SNOW...POSSIBLY HEAVY AT
  TIMES...WILL BE LIKELY TONIGHT INTO SUNDAY MORNING. THE SNOW
  WILL TAPER OFF ON SUNDAY AFTERNOON.

* SNOW ACCUMULATION...ADDITIONAL ACCUMULATIONS OF 6 TO 10 INCHES WILL
  BE POSSIBLE IN THE MOUNTAINS AROUND COOKE CITY.

* IMPACTS...HEAVY WET SNOW ON POWER LINES AND TREES MAY RESULT IN
  POWER OUTAGES AS WELL AS TREE DAMAGE. MOUNTAIN ROADWAYS WILL BE
  SNOW PACKED AND ICY THROUGH SUNDAY...AND MAY BE IMPASSABLE IN
  SPOTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

HTTP://WEATHER.GOV/BILLINGS

HOOLEY
906 
WWUS45 KBYZ 262352
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
552 PM MDT SAT MAY 26 2012

MTZ067-068-271200-
/O.CON.KBYZ.WS.W.0008.000000T0000Z-120527T1200Z/
ABSAROKA/BEARTOOTH MOUNTAINS-CRAZY MOUNTAINS-
INCLUDING THE LOCATIONS OF...COOKE CITY
552 PM MDT SAT MAY 26 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY...

A WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN EFFECT UNTIL 6 AM
MDT SUNDAY.

* TIMING...SNOW WILL BECOME HEAVY AT TIMES THIS EVENING AND THEN
  CONTINUE THROUGH THE NIGHT...BEFORE TAPERING OFF SUNDAY MORNING.

* SNOW ACCUMULATION...THE COLE CREEK AREA HAS RECEIVED AROUND 13
  INCHES OF SNOW SINCE FRIDAY MORNING...AND MYSTIC LAKE REPORTED
  10 INCHES OF SNOW. ADDITIONAL ACCUMULATIONS OF 6 TO 10 INCHES
  ARE EXPECTED IN PARTS OF THE ABSAROKA...BEARTOOTH...AND CRAZY
  MOUNTAINS TONIGHT.

* IMPACTS...HEAVY WET SNOW ON POWER LINES AND TREES MAY RESULT IN
  POWER OUTAGES AS WELL AS TREE DAMAGE. MOUNTAIN ROADWAYS WILL BE
  SNOW PACKED AND ICY...AND MAY BE IMPASSABLE IN SPOTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

HTTP://WEATHER.GOV/BILLINGS

CJS
674 
WWUS45 KBYZ 270313
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
913 PM MDT SAT MAY 26 2012

MTZ067-068-271200-
/O.CON.KBYZ.WS.W.0008.000000T0000Z-120527T1200Z/
ABSAROKA/BEARTOOTH MOUNTAINS-CRAZY MOUNTAINS-
INCLUDING THE LOCATIONS OF...COOKE CITY
913 PM MDT SAT MAY 26 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SUNDAY...

A WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN EFFECT UNTIL 6 AM
MDT SUNDAY.

* TIMING...PERIODS OF MODERATE TO HEAVY SNOW WILL OCCUR OVERNIGHT.
  THE SNOWFALL WILL TAPER OFF ON SUNDAY MORNING.

* SNOW ACCUMULATION...THE COLE CREEK AREA HAS RECEIVED AROUND 13
  INCHES OF SNOW SINCE FRIDAY MORNING...AND MYSTIC LAKE REPORTED
  10 INCHES OF SNOW. ADDITIONAL ACCUMULATIONS OF 5 TO 10 INCHES
  ARE EXPECTED IN PARTS OF THE ABSAROKA...BEARTOOTH...AND CRAZY
  MOUNTAINS TONIGHT.

* IMPACTS...HEAVY WET SNOW ON POWER LINES AND TREES MAY RESULT 
  IN POWER OUTAGES AS WELL AS TREE DAMAGE. MOUNTAIN ROADWAYS 
  WILL BE SNOW PACKED AND ICY...AND MAY BE IMPASSABLE IN 
  SPOTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

HTTP://WEATHER.GOV/BILLINGS

CJS
735 
WWUS45 KBYZ 270937
WSWBYZ

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BILLINGS MT
337 AM MDT SUN MAY 27 2012

MTZ067-068-271045-
/O.CAN.KBYZ.WS.W.0008.000000T0000Z-120527T1200Z/
ABSAROKA/BEARTOOTH MOUNTAINS-CRAZY MOUNTAINS-
INCLUDING THE LOCATIONS OF...COOKE CITY
337 AM MDT SUN MAY 27 2012

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN BILLINGS HAS CANCELED THE WINTER
STORM WARNING.

THE THREAT FOR HEAVY SNOW HAS ENDED. THEREFORE...THE WINTER STORM
WARNING HAS BEEN CANCELED.

$$

HTTP://WEATHER.GOV/BILLINGS

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 Billings, MT wrote its last area forecast discussion before this winter storm warning went out at May 23, 9:24 PM MDT, 6 hours 38 minutes earlier.

Area forecast discussion, May 23, 9:24 PM MDT, 6 hours 38 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BILLINGS MT
924 PM MDT WED MAY 23 2012

.SHORT TERM...VALID FOR THU AND FRI...

DIURNALLY-DRIVEN SHOWER ACTIVITY IS WINDING DOWN AS OF 03 UTC WITH
THE ONSET OF COOLING IN THE BOUNDARY LAYER. LOW POPS REMAIN ACROSS
THE PLAINS UNTIL 06 UTC THOUGH BECAUSE RESIDUAL CONVECTIVE SHOWERS
COULD PERSIST FOR A WHILE AFTER SUNSET IN CYCLONIC FLOW ALOFT. THE
00 UTC HRRR SEEMS TOO AGGRESSIVE WITH ITS SHOWER COVERAGE AFTER 06
UTC THOUGH GIVEN RADAR TRENDS...SO WE STAYED THE COURSE WITH A DRY
FORECAST FOR MOST OF THE PLAINS OVERNIGHT. NOTE...HOWEVER...THAT A
MODEST AREA OF 500-300 HPA Q-VECTOR CONVERGENCE ACROSS SOUTHERN MT
AND NORTHERN WY AS SHOWN BY THE 00 UTC NAM AND 18 UTC GFS IS CAUSE
FOR LINGERING POPS ALL NIGHT IN THOSE AREAS. THAT FORCING COULD BE
PART OF THE REASON FOR THE PRECIPITATION AROUND SHERIDAN ALREADY.

OUR GOING FORECAST FOR TONIGHT HANDLES MOST OF THESE IDEAS WELL...
SO ONLY MINOR CHANGES WERE REQUIRED. THE FOCUS DURING THE NEXT FEW
DAYS WILL CERTAINLY BE ON THE POTENTIAL STORM...WHICH SHOULD BRING
SIGNIFICANT PRECIPITATION TO THE AREA. THE 18 UTC GFS AND NAM FROM
00 UTC STILL BOTH SUPPORT THIS NOTION...AND THE WINTER STORM WATCH
THAT STARTS THU EVENING FOR THE MOUNTAINS AND FOOTHILLS OVER SOUTH
CENTRAL MT LOOKS ON TRACK. SCHULTZ

.LONG TERM...VALID FOR SAT...SUN...MON...TUE...WED...

MADE A FEW CHANGES TO THE EXTENDED PERIOD TODAY...MAINLY WITH
REGARD TO TEMPS. MODELS REMAIN IN SOMEWHAT POOR AGREEMENT ON
SPECIFICS OF SYSTEM TRACKING THROUGH THE REGION AND WHAT FOLLOWS.
HAVE GENERALLY MAINTAINED INHERITED POPS...WITH NOD TOWARD WARM
AIR INTO THE EAST SATURDAY.

SATURDAY MORNING STILL LOOKS RELATIVELY ACTIVE AS UPPER LOW
PROCEEDS NORTH AND EASTWARD...BUT MODELS QUICKLY BEGIN TO
DIVERGE. THE GFS MOVES THE LOW MUCH MORE QUICKLY EASTWARD INTO
NORTHWESTERN ND BY SUNDAY NIGHT...MEANWHILE THE EC TAKES MORE
NORTHERLY TACK TO START...MOVING INTO NORTH CENTRAL MONTANA IN
THE SAME TIME FRAME. THE LOW DOES NOT REACH NORTHWESTERN ND UNTIL
MONDAY AFTERNOON. DUE TO MORE WESTERLY LOCATION OF THE LOW...IT
ALSO APPEARS THAT SOME WARMER AIR WILL BE DRAWN UP INTO EASTERN
ZONES. EXACT EXTENT OF WARM AIR INTRUSION IS STILL
UNCERTAIN...BUT HAVE RAISED HIGHS SLIGHTLY IN THE EAST. THIS AIR
ALSO LOOKS A BIT DRIER...SO HAVE TAPERED POPS OFF A BIT IN THE
EAST FOR SATURDAY. THE UPPER LOW TRANSITIONS OUT OF THE REGION
THROUGH SUNDAY...TIMING AND TRACK ARE AGAIN ISSUES. AS LOW LIFTS
OUT OF THE REGION WE SHOULD GET ANOTHER SHOT OF COLD AIR...AND
SOME WRAP AROUND PRECIP...SO HAVE KEPT GOING POPS IN PLACE.
EITHER WAY...THE LOCATION AND MOVEMENT...OR LACK THEREOF...OF THE
UPPER LEVEL HIGH PRESSURE RIDGE OVER THE SOUTHEASTERN CONUS WILL
DECIDE MOTION AND TIMING OF THE UPPER LEVEL LOW.
MODELS HAVE COME BACK INTO SOME DEGREE OF AGREEMENT MONDAY...AS
RIDGING REDEVELOPS... WITH DRY NORTHWEST FLOW OVER THE FORECAST
AREA. HAVE KEPT SLIGHT POPS IN PLACE AT THIS TIME...BASED ON
POTENTIAL AIRMASS TYPE SHOWERS...BUT SHOULD GENERALLY SEE DRYING
CONDITIONS AND START TO WARMING TREND. NEXT SHORTWAVE TROF SWINGS
ACROSS THE AREA TUESDAY...BRINGING SOME POTENTIAL FOR MORE SHOWER
ACTIVITY. DUE TO TIMING OF THE WAVE...THIS WILL LIMIT WARMUP IN
WESTERN ZONES...FROM KBIL WEST...BUT EASTERN AREAS SHOULD STILL
SEE TEMPS APPROACHING 70. RIDGING QUICKLY BEGINS BUILDING BACK
INTO THE REGION OVERNIGHT TUESDAY...RESULTING IN MUCH WARMER
TEMPS. HAVE RAISED HIGHS SIGNIFICANTLY FOR WEDNESDAY. AAG

&&

.AVIATION...

WIDELY SCATTERED SHOWERS WILL OCCUR OVER THE REGION THROUGH 06Z...
WITH SCATTERED SHOWERS OVER THE KSHR AREA. LOCALIZED MVFR
CONDITIONS WILL BE POSSIBLE IN ANY HEAVIER SHOWERS. VFR
CONDITIONS WILL PREVAIL AFTER 06Z. HOWEVER...SCATTERED SHOWERS
WILL CONTINUE AROUND KSHR WITH POSSIBLE MVFR CONDITIONS. EXPECT
AREAS OF MOUNTAIN OBSCURATION THROUGH THE NIGHT. CHANCES FOR
SHOWERS WILL INCREASE OVER THE AREA ON THU. A FEW AFTERNOON
THUNDERSTORMS WILL BE POSSIBLE AS WELL. LOCALIZED MVFR CONDITIONS
WILL BE POSSIBLE WITH THE PRECIPITATION. MOUNTAIN OBSCURATION WILL
INCREASE THROUGH THE DAY. ARTHUR

&&

.PRELIMINARY POINT TEMP/POPS...

    THU     FRI     SAT     SUN     MON     TUE     WED
-----------------------------------------------------------
BIL 042/058 038/049 039/050 037/052 037/063 044/062 044/069
    24/T    36/W    87/R    65/W    22/T    22/W    32/W
LVM 034/053 032/042 032/046 030/050 033/059 036/059 036/071
    34/T    68/W    87/R    75/W    23/T    33/W    32/W
HDN 041/060 037/054 044/061 037/054 037/065 044/063 044/072
    24/T    36/W    75/R    64/W    32/T    22/W    32/W
MLS 044/061 037/057 044/062 040/056 040/062 043/064 044/070
    24/T    24/W    75/R    65/W    22/T    23/W    32/W
4BQ 042/060 037/057 046/067 039/061 040/064 043/068 044/069
    23/T    24/W    65/R    53/W    22/T    22/W    32/W
BHK 040/062 034/057 045/057 040/061 039/061 041/065 045/065
    24/T    23/W    75/R    54/W    22/T    23/W    33/W
SHR 038/056 035/049 039/064 036/058 035/062 039/067 040/069
    43/T    36/T    65/R    64/W    22/T    22/W    32/W

&&

.BYZ WATCHES/WARNINGS/ADVISORIES...
MT...WINTER STORM WATCH IN EFFECT FROM THURSDAY EVENING THROUGH
      LATE SATURDAY NIGHT FOR ZONES 56-66>68.
WY...NONE.

&&

WEATHER.GOV/BILLINGS
Hazardous weather outlook, May 23, 9:24 PM MDT, 6 hours 38 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BILLINGS MT
924 PM MDT WED MAY 23 2012

MTZ028>042-056>058-063>068-WYZ098-099-250330-
SOUTHERN WHEATLAND-MUSSELSHELL-TREASURE-NORTHERN ROSEBUD-CUSTER-
FALLON-NORTHERN STILLWATER-YELLOWSTONE-POWDER RIVER-CARTER-
SOUTHERN BIG HORN-EASTERN CARBON-NORTHERN PARK-
NORTHERN SWEET GRASS-GOLDEN VALLEY-RED LODGE FOOTHILLS-
NORTHERN BIG HORN-SOUTHERN ROSEBUD-JUDITH GAP-PARADISE VALLEY-
LIVINGSTON AREA-BEARTOOTH FOOTHILLS-ABSAROKA/BEARTOOTH MOUNTAINS-
CRAZY MOUNTAINS-NORTHEAST BIG HORN MOUNTAINS-SHERIDAN FOOTHILLS-
924 PM MDT WED MAY 23 2012

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

.DAY ONE...TONIGHT

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER TONIGHT IS LOW.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

THE POTENTIAL EXISTS FOR A STRONG WEATHER SYSTEM AND SIGNIFICANT
PRECIPITATION ACROSS THE AREA THURSDAY NIGHT INTO SUNDAY. HEAVY
SNOWFALL IS POSSIBLE OVER THE MOUNTAINS...ESPECIALLY ALONG THE
EASTERN SLOPES. SOME WET SNOWFALL IS ALSO POSSIBLE ALONG THE
FOOTHILLS NEAR LIVINGSTON...NYE AND RED LODGE. TEMPERATURES ON
FRIDAY AND SATURDAY ARE EXPECTED TO BE WELL BELOW NORMAL.
PRECIPITATION IN THE LOWER ELEVATIONS WILL BE PRIMARILY RAINFALL.

OUTDOOR ACTIVITIES MAY BE SIGNIFICANTLY IMPACTED BY THIS SYSTEM
THURSDAY NIGHT INTO SUNDAY. THOSE PLANNING TO TRAVEL OVER THE
HOLIDAY WEEKEND...ESPECIALLY ON THE BEARTOOTH HIGHWAY...SHOULD
MONITOR FUTURE FORECASTS AND STATEMENTS.

.SPOTTER INFORMATION STATEMENT...

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

The office that day

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

IssuedProductOfficeCountiesLasted
May 24, 3:45 PM MDTWinter Weather AdvisoryBYZCarbon, Stillwater, Sweet Grass43 hr

Nearby

Winter Storm Warnings in Montana, 2012Winter Storm Warnings in Wyoming, 2012Every winter storm warning in 2012

Sources

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