Alert archive / Wyoming / Winter Storm Warnings in 2006

Winter Storm Warning 13, NWS Riverton, WY

November 27, 20065 counties in Wyoming

NWS Riverton, WY issued this winter storm warning at Nov 27, 2006, 2:48 AM MST for 5 counties in Wyoming. It took effect at Nov 27, 2006, 6:00 AM MST. It was in force for 22 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
Nov 27, 2006, 2:48 AM MST (09:48 UTC)
In effect from
Nov 27, 2006, 6:00 AM MST
Expired
Nov 28, 2006, 4:09 AM MST
In force
22 hr
Issued by
NWS Riverton, WY

Counties Fremont County, WY, Lincoln County, WY, Sublette County, WY, Sweetwater County, WY, Teton County, WY

The radar

The Riverton/Lander radar (KRIW), 109 km from the middle of the area, began a volume at 09:52 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.

The nearest sounding before it

Riverton, WY (KRIW), launched 00:00Z, 9.8 hours before the alert went out and 115 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, Riverton, WY at 00:00Z on 2006-11-27Temperature 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 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Riverton, WY at 00:00Z on 2006-11-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2388 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
101 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.

000 
WWUS45 KRIW 270948
WSWRIW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
248 AM MST MON NOV 27 2006

...WINTER STORM WARNING IN EFFECT TODAY THROUGH TOMORROW AFTERNOON FOR
MUCH OF WESTERN AND SOUTHERN WYOMING...

.A COLD PACIFIC STORM SYSTEM MOVING INTO THE PACIFIC NORTHWEST
THIS AFTERNOON...WILL MOVE EAST INTO WESTERN WYOMING THIS MORNING.
SNOW WILL INCREASE THIS MORNING AND BECOME HEAVY AT TIMES IN THE
WESTERN MOUNTAINS THIS AFTERNOON AND THIS EVENING. THE PACIFIC
STORM WILL BEGIN TO INTERACT WITH COLD CANADIAN AIR TONIGHT AND
SLOW DOWN WITH PERIODS OF SNOW CONTINUING THROUGH TONIGHT AND
TOMORROW MORNING. THE SNOW IS EXPECTED TO TAPER OFF TOMORROW
AFTERNOON.

WYZ014-015-271800-
/O.UPG.KRIW.WS.A.0011.061127T1300Z-061129T0000Z/
/O.NEW.KRIW.WS.W.0013.061127T1300Z-061129T0000Z/
WIND RIVER MOUNTAINS WEST-WIND RIVER MOUNTAINS EAST-
248 AM MST MON NOV 27 2006

...WINTER STORM WARNING IN EFFECT FROM 6 AM THIS MORNING TO 5 PM
MST TUESDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER
STORM WARNING...WHICH IS IN EFFECT FROM 6 AM THIS MORNING TO 5 PM
MST TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

SNOW WILL INCREASE OVER THE WIND RIVER MOUNTAINS THIS MORNING.
STRONG SOUTHWEST WINDS WILL CAUSE SIGNIFICANT AREAS OF BLOWING AND
DRIFTING SNOW BY THIS AFTERNOON. SNOWFALL WILL BECOME HEAVY AT
TIMES THIS AFTERNOON AND EVENING. STRONG WINDS WILL CONTINUE
TONIGHT AND TOMORROW MORNING WITH POTENTIAL WHITE OUT CONDITIONS
ON SOUTH PASS. SNOWFALL AMOUNTS OF 12 TO 18 INCHES ARE EXPECTED.
THE LESSER AMOUNTS WILL BE FOUND NEAR TOGWOTEE PASS.

ROAD CONDITIONS IN THE WARNED AREA WILL BE TREACHEROUS...ESPECIALLY
HIGHWAY 28 OVER SOUTH PASS.

$$

WYZ012-271800-
/O.UPG.KRIW.WS.A.0011.061127T1300Z-061129T0000Z/
/O.NEW.KRIW.WS.W.0013.061127T1300Z-061129T0000Z/
TETON AND GROS VENTRE MOUNTAINS-
248 AM MST MON NOV 27 2006

...WINTER STORM WARNING IN EFFECT FROM 6 AM THIS MORNING TO 5 PM
MST TUESDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER
STORM WARNING...WHICH IS IN EFFECT FROM 6 AM THIS MORNING TO 5 PM
MST TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

SNOW WILL INCREASE OVER THE TETON AND GROS VENTRE MOUNTAINS THIS
MORNING. STRONG SOUTHWEST WINDS WILL CAUSE SIGNIFICANT BLOWING AND
DRIFTING SNOW BY THIS AFTERNOON. SNOWFALL WILL BECOME HEAVY AT
TIMES THIS AFTERNOON AND EVENING. STRONG WINDS WILL CONTINUE
TONIGHT AND TOMORROW MORNING WITH POTENTIAL WHITE OUT CONDITIONS
ON TETON PASS AND HOBACK CANYON. SNOWFALL AMOUNTS OF 12 TO 16
INCHES ARE EXPECTED. 

ROAD CONDITIONS IN THE WARNED AREA WILL BE TREACHEROUS...ESPECIALLY
HIGHWAY 22 OVER TETON PASS.

$$

WYZ024-271800-
/O.UPG.KRIW.WS.A.0011.061127T1300Z-061129T0000Z/
/O.NEW.KRIW.WS.W.0013.061127T1300Z-061129T0000Z/
SALT RIVER AND WYOMING RANGES-
248 AM MST MON NOV 27 2006

...WINTER STORM WARNING IN EFFECT FROM 6 AM THIS MORNING TO 5 PM
MST TUESDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER
STORM WARNING...WHICH IS IN EFFECT FROM 6 AM THIS MORNING TO 5 PM
MST TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

SNOW WILL INCREASE OVER THE SALT RIVER AND WYOMING RANGES THIS
MORNING. STRONG SOUTHWEST WINDS WILL CAUSE SIGNIFICANT BLOWING AND
DRIFTING SNOW BY THIS AFTERNOON. SNOWFALL WILL BECOME HEAVY AT TIMES
THIS AFTERNOON AND EVENING. STRONG WINDS WILL CONTINUE TONIGHT AND
TUESDAY MORNING WITH POTENTIAL WHITE OUT CONDITIONS. SNOWFALL
AMOUNTS OF 12 TO 18 INCHES ARE EXPECTED.

MAKE SURE THAT YOUR GASOLINE TANK IS FULL BEFORE YOUR TRIP.  ALSO
CHECK ANTIFREEZE LEVELS IN YOUR RADIATOR.  CONSIDER TAKING A
WINTER STORM KIT ALONG WITH YOU...INCLUDING SUCH ITEMS AS TIRE
CHAINS...BOOSTER CABLES...FLASHLIGHT...SHOVEL...A BAG OF SAND OR
CAT LITTER...BLANKETS AND EXTRA CLOTHING...WATER...A FIRST AID
KIT...OR ANYTHING ELSE THAT WOULD HELP YOU SURVIVE IN CASE YOU
BECOME STRANDED.

$$

WYZ013-271800-
/O.UPG.KRIW.WS.A.0011.061127T1300Z-061129T0000Z/
/O.NEW.KRIW.WS.W.0013.061127T1300Z-061129T0000Z/
JACKSON HOLE-
INCLUDING THE CITY OF...JACKSON
248 AM MST MON NOV 27 2006

...WINTER STORM WARNING IN EFFECT FROM 6 AM THIS MORNING TO 5 PM
MST TUESDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER
STORM WARNING...WHICH IS IN EFFECT FROM 6 AM THIS MORNING TO 5 PM
MST TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

SNOW WILL INCREASE OVER JACKSON HOLE THIS MORNING. STRONG
SOUTHWEST WINDS WILL CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW
BY THIS AFTERNOON. SNOWFALL IS EXPECTED TO BE HEAVY AT TIMES
THIS AFTERNOON AND EVENING. STRONG WINDS WILL CONTINUE TONIGHT AND
TOMORROW MORNING WITH POTENTIAL WHITE OUT CONDITIONS FROM MOOSE TO
MORAN. SNOWFALL AMOUNTS OF 6 TO 10 INCHES ARE EXPECTED. THE LESSER
AMOUNTS WILL BE FOUND NEAR JACKSON.

ROAD CONDITIONS IN THE WARNED AREA WILL BE TREACHEROUS...ESPECIALLY
HIGHWAY 26 THROUGH JACKSON HOLE.

$$

WYZ025-026-271800-
/O.UPG.KRIW.WS.A.0011.061127T1300Z-061129T0000Z/
/O.NEW.KRIW.WS.W.0013.061127T1300Z-061129T0000Z/
UPPER GREEN RIVER BASIN FOOTHILLS-UPPER GREEN RIVER BASIN-
INCLUDING THE CITIES OF...PINEDALE...LA BARGE...BIG PINEY...
FARSON
248 AM MST MON NOV 27 2006

...WINTER STORM WARNING IN EFFECT FROM 6 AM THIS MORNING TO 5 PM
MST TUESDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER
STORM WARNING...WHICH IS IN EFFECT FROM 6 AM THIS MORNING TO 5 PM
MST TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

SNOW WILL INCREASE OVER SUBLETTE COUNTY THIS MORNING. STRONG
SOUTHWEST WINDS WILL CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW
BY LATE THIS AFTERNOON. SNOWFALL WILL BECOME HEAVY AT TIMES THIS
AFTERNOON AND EVENING. STRONG WINDS WILL CONTINUE TONIGHT AND
TOMORROW MORNING WITH POTENTIAL WHITE OUT CONDITIONS FROM BONDURANT
TO FARSON. SNOWFALL AMOUNTS OF 6 TO 10 INCHES ARE EXPECTED FROM
BONDURANT TO PINEDALE. THE LESSER AMOUNTS WILL BE FOUND AROUND BIG
PINEY.

BE SURE TO CHECK THE LATEST ROAD CONDITIONS BEFORE TRAVELLING.

$$

WYZ023-027-271800-
/O.UPG.KRIW.WS.A.0011.061127T1300Z-061129T0000Z/
/O.NEW.KRIW.WS.W.0013.061127T1300Z-061129T0000Z/
STAR VALLEY-SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF...AFTON...ALPINE...THAYNE...KEMMERER...
COKEVILLE
248 AM MST MON NOV 27 2006

...WINTER STORM WARNING IN EFFECT FROM 6 AM THIS MORNING TO 5 PM
MST TUESDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER
STORM WARNING...WHICH IS IN EFFECT FROM 6 AM THIS MORNING TO 5 PM
MST TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

SNOW WILL INCREASE OVER THE STAR VALLEY AND SOUTHERN LINCOLN
COUNTY THIS MORNING. STRONG SOUTHWEST WINDS WILL CAUSE SIGNIFICANT
BLOWING AND DRIFTING SNOW BY LATE THIS AFTERNOON. SNOWFALL WILL
BECOME HEAVY AT TIMES THIS AFTERNOON AND EVENING. STRONG WINDS
WILL CONTINUE TONIGHT AND TOMORROW MORNING WITH POTENTIAL
WHITE OUT CONDITIONS FROM OPAL TO BORDER. SNOWFALL AMOUNTS OF 6 TO
10 INCHES ARE EXPECTED. 

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

$$

WYZ028>030-271800-
/O.NEW.KRIW.WS.W.0013.061127T2200Z-061128T1500Z/
ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY-
INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER
248 AM MST MON NOV 27 2006

...WINTER STORM WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO
8 AM MST TUESDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER
STORM WARNING...WHICH IS IN EFFECT FROM 3 PM THIS AFTERNOON TO
8 AM MST TUESDAY. 

SNOW...HEAVY AT TIMES...WILL OCCUR OVER SWEETWATER COUNTY LATE THIS
AFTERNOON AND CONTINUE OVERNIGHT AS A STRONG COLD FRONT MOVES
THROUGH THE AREA. STRONG SOUTHWEST WINDS THIS AFTERNOON WILL TURN
WESTERLY THIS EVENING CAUSING SIGNIFICANT BLOWING AND DRIFTING
SNOW. TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 7 INCHES ARE EXPECTED.
TRAVEL ALONG INTERSTATE 80 THROUGH SWEETWATER COUNTY WILL BE
SEVERELY IMPACTED LATE THIS AFTERNOON AND TONIGHT AS FALLING SNOW
COMBINES WITH BLOWING AND DRIFTING SNOW. ROADWAYS WILL BECOME
SLICK QUICKLY THIS EVENING AS TEMPERATURES PLUMMET BEHIND THE COLD
FRONT. 

ROAD CONDITIONS IN THE WARNED AREA WILL BE
TREACHEROUS...ESPECIALLY ALONG INTERSTATE 80.

$$

WYZ001-002-271800-
/O.NEW.KRIW.SN.Y.0050.061127T1300Z-061129T0000Z/
YELLOWSTONE NATIONAL PARK-ABSAROKA MOUNTAINS-
INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL
248 AM MST MON NOV 27 2006

...SNOW ADVISORY IN EFFECT FROM 6 AM THIS MORNING TO 5 PM MST
TUESDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 6 AM THIS MORNING TO 5 PM MST
TUESDAY. 

SNOW WILL INCREASE OVER YELLOWSTONE NATIONAL PARK AND THE ABSAROKA
MOUNTAINS THIS MORNING. STRONG SOUTHWEST WINDS WILL CAUSE SIGNIFICANT
BLOWING AND DRIFTING SNOW BY LATE THIS AFTERNOON. SNOWFALL WILL
BECOME HEAVY AT TIMES THIS AFTERNOON AND EVENING. STRONG WINDS
WILL CONTINUE TONIGHT AND TOMORROW MORNING WITH POTENTIAL WHITE
OUT CONDITIONS OVER MOUNTAIN PASSES. SNOWFALL AMOUNTS OF 6 TO 12
INCHES ARE EXPECTED. SLIGHTLY HIGHER AMOUNTS OF UP TO 16 INCHES
WILL BE POSSIBLE ACROSS EXTREME SOUTHERN PORTIONS OF THE PARK.
AREAS AROUND MAMMOTH WILL RECEIVE MUCH LIGHTER AMOUNTS OF 4 TO 6
INCHES. 

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

$$

WYZ016-271800-
/O.NEW.KRIW.SN.Y.0050.061127T1300Z-061129T0000Z/
UPPER WIND RIVER BASIN-
INCLUDING THE CITY OF...DUBOIS
248 AM MST MON NOV 27 2006

...SNOW ADVISORY IN EFFECT FROM 6 AM THIS MORNING TO 5 PM MST
TUESDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 6 AM THIS MORNING TO 5 PM MST
TUESDAY. 

SNOW WILL INCREASE NEAR DUBOIS THIS MORNING. SNOWFALL WILL BECOME
HEAVY AT TIMES THIS EVENING. SNOWFALL AMOUNTS OF 3 TO 6 INCHES
ARE EXPECTED. SLIGHTLY HIGHER AMOUNTS OF UP TO 8 INCHES WILL BE
POSSIBLE NORTHWEST OF DUBOIS TOWARDS TOGWOTEE PASS. 

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

$$

WYZ019-271800-
/O.NEW.KRIW.SN.Y.0050.061127T2200Z-061128T1500Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
248 AM MST MON NOV 27 2006

...SNOW ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO 8 AM MST
TUESDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 3 PM THIS AFTERNOON TO 8 AM
MST TUESDAY. 

SNOW WILL INCREASE ACROSS THE GREEN MOUNTAINS AND RATTLESNAKE
RANGE LATER THIS MORNING. SNOWFALL WILL BECOME HEAVY AT TIMES THIS
EVENING. SNOWFALL AMOUNTS OF 3 TO 6 INCHES ARE EXPECTED. SLIGHTLY
HIGHER AMOUNTS OF UP TO 8 INCHES WILL OCCUR ALONG THE SOUTHERN END
OF THE WIND RIVER MOUNTAINS. THE RATTLESNAKE RANGE WILL LIKELY
ONLY RECEIVE 2 TO 3 INCHES. STRONG WINDS WILL CREATE AREAS OF
BLOWING AND DRIFTING SNOW ALONG HIGHWAY 287 BETWEEN SWEETWATER
STATION TO MUDDY GAP TONIGHT.

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

$$
4 follow-up statements
000 
WWUS45 KRIW 271751
WSWRIW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
1051 AM MST MON NOV 27 2006

...WINTER STORM WARNING IN EFFECT TODAY THROUGH TOMORROW
AFTERNOON FOR MUCH OF WESTERN AND SOUTHERN WYOMING...

.A COLD PACIFIC STORM SYSTEM MOVING INTO  WESTERN WYOMING THIS
MORNING WILL INCREASE IN INTENSITY THIS AFTERNOON AND THIS 
EVENING. SNOW WILL INCREASE AND BECOME HEAVY AT TIMES IN THE
WESTERN MOUNTAINS THIS AFTERNOON AND THIS EVENING. THE PACIFIC
STORM WILL BEGIN TO INTERACT WITH COLD CANADIAN AIR TONIGHT AND
SLOW DOWN WITH PERIODS OF SNOW CONTINUING THROUGH TONIGHT AND
TOMORROW MORNING. THE SNOW IS EXPECTED TO TAPER OFF TOMORROW
AFTERNOON.

WYZ014-015-280200-
/O.CON.KRIW.WS.W.0013.000000T0000Z-061129T0000Z/
WIND RIVER MOUNTAINS WEST-WIND RIVER MOUNTAINS EAST-
1051 AM MST MON NOV 27 2006

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

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

SNOW WILL INCREASE OVER THE WIND RIVER MOUNTAINS THIS AFTERNOON.
STRONG SOUTHWEST WINDS WILL CAUSE SIGNIFICANT AREAS OF BLOWING
AND DRIFTING SNOW BY THIS AFTERNOON. SNOWFALL WILL BECOME HEAVY AT
TIMES THIS AFTERNOON AND EVENING. STRONG WINDS WILL CONTINUE
TONIGHT AND TOMORROW MORNING WITH POTENTIAL WHITE OUT CONDITIONS
ON SOUTH PASS. SNOWFALL AMOUNTS OF 12 TO 18 INCHES ARE EXPECTED.
THE LESSER AMOUNTS WILL BE FOUND NEAR TOGWOTEE PASS.

ROAD CONDITIONS IN THE WARNED AREA WILL BE TREACHEROUS...
ESPECIALLY HIGHWAY 28 OVER SOUTH PASS.

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

$$

WYZ012-280200-
/O.CON.KRIW.WS.W.0013.000000T0000Z-061129T0000Z/
TETON AND GROS VENTRE MOUNTAINS-
1051 AM MST MON NOV 27 2006

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

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

SNOW WILL INCREASE OVER THE TETON AND GROS VENTRE MOUNTAINS THIS
AFTERNOON. STRONG SOUTHWEST WINDS WILL CAUSE SIGNIFICANT BLOWING AND
DRIFTING SNOW BY THIS AFTERNOON. SNOWFALL WILL BECOME HEAVY AT
TIMES THIS AFTERNOON AND EVENING. STRONG WINDS WILL CONTINUE
TONIGHT AND TOMORROW MORNING WITH POTENTIAL WHITE OUT CONDITIONS
ON TETON PASS AND HOBACK CANYON. SNOWFALL AMOUNTS OF 12 TO 16
INCHES ARE EXPECTED.

ROAD CONDITIONS IN THE WARNED AREA WILL BE TREACHEROUS...
ESPECIALLY HIGHWAY 22 OVER TETON PASS.

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

$$

WYZ024-280200-
/O.CON.KRIW.WS.W.0013.000000T0000Z-061129T0000Z/
SALT RIVER AND WYOMING RANGES-
1051 AM MST MON NOV 27 2006

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

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

SNOW WILL INCREASE OVER THE SALT RIVER AND WYOMING RANGES THIS
AFTERNOON. STRONG SOUTHWEST WINDS WILL CAUSE SIGNIFICANT BLOWING AND
DRIFTING SNOW BY THIS AFTERNOON. SNOWFALL WILL BECOME HEAVY AT
TIMES THIS AFTERNOON AND EVENING. STRONG WINDS WILL CONTINUE
TONIGHT AND TUESDAY MORNING WITH POTENTIAL WHITE OUT CONDITIONS.
SNOWFALL AMOUNTS OF 12 TO 18 INCHES ARE EXPECTED.

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

$$

WYZ013-280200-
/O.CON.KRIW.WS.W.0013.000000T0000Z-061129T0000Z/
JACKSON HOLE-
INCLUDING THE CITY OF...JACKSON
1051 AM MST MON NOV 27 2006

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

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

SNOW WILL INCREASE OVER JACKSON HOLE THIS AFTERNOON. STRONG SOUTHWEST
WINDS WILL CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW BY THIS
AFTERNOON. SNOWFALL IS EXPECTED TO BE HEAVY AT TIMES THIS
AFTERNOON AND EVENING. STRONG WINDS WILL CONTINUE TONIGHT AND
TOMORROW MORNING WITH POTENTIAL WHITE OUT CONDITIONS FROM MOOSE TO
MORAN. SNOWFALL AMOUNTS OF 6 TO 10 INCHES ARE EXPECTED. THE LESSER
AMOUNTS WILL BE FOUND NEAR JACKSON.

ROAD CONDITIONS IN THE WARNED AREA WILL BE TREACHEROUS...
ESPECIALLY HIGHWAY 26 THROUGH JACKSON HOLE.

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

$$

WYZ025-026-280200-
/O.CON.KRIW.WS.W.0013.000000T0000Z-061129T0000Z/
UPPER GREEN RIVER BASIN FOOTHILLS-UPPER GREEN RIVER BASIN-
INCLUDING THE CITIES OF...PINEDALE...LA BARGE...BIG PINEY...
FARSON
1051 AM MST MON NOV 27 2006

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

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

SNOW WILL INCREASE OVER SUBLETTE COUNTY THIS AFTERNOON. STRONG
SOUTHWEST WINDS WILL CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW
BY LATE THIS AFTERNOON. SNOWFALL WILL BECOME HEAVY AT TIMES THIS
AFTERNOON AND EVENING. STRONG WINDS WILL CONTINUE TONIGHT AND
TOMORROW MORNING WITH POTENTIAL WHITE OUT CONDITIONS FROM
BONDURANT TO FARSON. SNOWFALL AMOUNTS OF 6 TO 10 INCHES ARE
EXPECTED FROM BONDURANT TO PINEDALE. THE LESSER AMOUNTS WILL BE
FOUND AROUND BIG PINEY.

BE SURE TO CHECK THE LATEST ROAD CONDITIONS BEFORE TRAVELING.

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

$$

WYZ023-027-280200-
/O.CON.KRIW.WS.W.0013.000000T0000Z-061129T0000Z/
STAR VALLEY-SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF...AFTON...ALPINE...THAYNE...KEMMERER...
COKEVILLE
1051 AM MST MON NOV 27 2006

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

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

SNOW WILL INCREASE OVER THE STAR VALLEY AND SOUTHERN LINCOLN
COUNTY THIS AFTERNOON. STRONG SOUTHWEST WINDS WILL CAUSE SIGNIFICANT
BLOWING AND DRIFTING SNOW BY LATE THIS AFTERNOON. SNOWFALL WILL
BECOME HEAVY AT TIMES THIS AFTERNOON AND EVENING. STRONG WINDS
WILL CONTINUE TONIGHT AND TOMORROW MORNING WITH POTENTIAL WHITE
OUT CONDITIONS FROM OPAL TO BORDER. SNOWFALL AMOUNTS OF 6 TO 10
INCHES ARE EXPECTED.

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

$$

WYZ028>030-280200-
/O.CON.KRIW.WS.W.0013.061127T2200Z-061128T1500Z/
ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY-
INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER
1051 AM MST MON NOV 27 2006

...WINTER STORM WARNING REMAINS IN EFFECT FROM 3 PM THIS
AFTERNOON TO 8 AM MST TUESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON
TO 8 AM MST TUESDAY. 

SNOW...HEAVY AT TIMES...WILL OCCUR OVER SWEETWATER COUNTY LATE
THIS AFTERNOON AND CONTINUE OVERNIGHT AS A STRONG COLD FRONT
MOVES THROUGH THE AREA. STRONG SOUTHWEST WINDS THIS AFTERNOON
WILL TURN WESTERLY THIS EVENING CAUSING SIGNIFICANT BLOWING AND
DRIFTING SNOW. TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 7 INCHES ARE
EXPECTED. TRAVEL ALONG INTERSTATE 80 THROUGH SWEETWATER COUNTY
WILL BE SEVERELY IMPACTED LATE THIS AFTERNOON AND TONIGHT AS
FALLING SNOW COMBINES WITH BLOWING AND DRIFTING SNOW. ROADWAYS
WILL BECOME SLICK QUICKLY THIS EVENING AS TEMPERATURES PLUMMET
BEHIND THE COLD FRONT.

ROAD CONDITIONS IN THE WARNED AREA WILL BE TREACHEROUS...
ESPECIALLY ALONG INTERSTATE 80.

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

$$

WYZ001-002-280200-
/O.CON.KRIW.SN.Y.0050.000000T0000Z-061129T0000Z/
YELLOWSTONE NATIONAL PARK-ABSAROKA MOUNTAINS-
INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL
1051 AM MST MON NOV 27 2006

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST TUESDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST TUESDAY. 

SNOW WILL INCREASE OVER YELLOWSTONE NATIONAL PARK AND THE
ABSAROKA MOUNTAINS THIS AFTERNOON. STRONG SOUTHWEST WINDS WILL
CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW BY LATE THIS
AFTERNOON. SNOWFALL WILL BECOME HEAVY AT TIMES THIS AFTERNOON AND
EVENING. STRONG WINDS WILL CONTINUE TONIGHT AND TOMORROW MORNING
WITH POTENTIAL WHITE OUT CONDITIONS OVER MOUNTAIN PASSES. SNOWFALL
AMOUNTS OF 6 TO 12 INCHES ARE EXPECTED. SLIGHTLY HIGHER AMOUNTS OF
UP TO 16 INCHES WILL BE POSSIBLE ACROSS EXTREME SOUTHERN PORTIONS
OF THE PARK. AREAS AROUND MAMMOTH WILL RECEIVE MUCH LIGHTER
AMOUNTS OF 4 TO 6 INCHES.

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

$$

WYZ016-280200-
/O.CON.KRIW.SN.Y.0050.000000T0000Z-061129T0000Z/
UPPER WIND RIVER BASIN-
INCLUDING THE CITY OF...DUBOIS
1051 AM MST MON NOV 27 2006

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST TUESDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST TUESDAY. 

SNOW WILL INCREASE NEAR DUBOIS THIS AFTERNOON. SNOWFALL WILL
BECOME HEAVY AT TIMES THIS EVENING. SNOWFALL AMOUNTS OF 3 TO 6
INCHES ARE EXPECTED. SLIGHTLY HIGHER AMOUNTS OF UP TO 8 INCHES
WILL BE POSSIBLE NORTHWEST OF DUBOIS TOWARDS TOGWOTEE PASS.

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

$$

WYZ019-280200-
/O.CON.KRIW.SN.Y.0050.061127T2200Z-061128T1500Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
1051 AM MST MON NOV 27 2006

...SNOW ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO
8 AM MST TUESDAY...

A SNOW ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO
8 AM MST TUESDAY. 

SNOW WILL INCREASE ACROSS THE GREEN MOUNTAINS AND RATTLESNAKE
RANGE THIS AFTERNOON. SNOWFALL WILL BECOME HEAVY AT TIMES THIS
EVENING. SNOWFALL AMOUNTS OF 3 TO 6 INCHES ARE EXPECTED. SLIGHTLY
HIGHER AMOUNTS OF UP TO 8 INCHES WILL OCCUR ALONG THE SOUTHERN END
OF THE WIND RIVER MOUNTAINS. THE RATTLESNAKE RANGE WILL LIKELY
ONLY RECEIVE 2 TO 3 INCHES. STRONG WINDS WILL CREATE AREAS OF
BLOWING AND DRIFTING SNOW ALONG HIGHWAY 287 BETWEEN SWEETWATER
STATION TO MUDDY GAP TONIGHT.

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

$$


C.BAKER
000 
WWUS45 KRIW 272048
WSWRIW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
148 PM MST MON NOV 27 2006

...WINTER STORM WARNING IN EFFECT TODAY THROUGH TOMORROW
AFTERNOON FOR MUCH OF WESTERN AND SOUTHERN WYOMING...

.A COLD PACIFIC STORM SYSTEM MOVING INTO WESTERN WYOMING WILL
INCREASE IN INTENSITY THROUGH THIS EVENING. SNOW WILL INCREASE AND
BECOME HEAVY AT TIMES IN THE WESTERN MOUNTAINS.  ALONG WITH THE 
SNOW...STRONG WINDS WILL CAUSE BLOWING AND DRIFTING SNOW. THE
PACIFIC STORM WILL BEGIN TO INTERACT WITH COLD CANADIAN AIR
TONIGHT AND SLOW DOWN WITH PERIODS OF SNOW CONTINUING THROUGH
TUESDAY MORNING. THE SNOW IS EXPECTED TO TAPER OFF TUESDAY
AFTERNOON.

WYZ028>030-280600-
/O.EXT.KRIW.WS.W.0013.061127T2200Z-061129T0000Z/
ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY-
INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER
148 PM MST MON NOV 27 2006

...WINTER STORM WARNING NOW IN EFFECT UNTIL 5 PM MST TUESDAY...

THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 5 PM MST TUESDAY.

SNOW...HEAVY AT TIMES...WILL SPREAD OVER SWEETWATER COUNTY LATE THIS
AFTERNOON AND CONTINUE INTO TUESDAY AS A STRONG COLD FRONT MOVES THROUGH
THE AREA. STRONG SOUTHWEST WINDS THIS AFTERNOON WILL TURN WESTERLY
THIS EVENING CAUSING SIGNIFICANT BLOWING AND DRIFTING SNOW. TOTAL
SNOWFALL ACCUMULATIONS OF 4 TO 7 INCHES ARE EXPECTED. NEAR WHITE
OUT CONDITIONS ARE EXPECTED ALONG INTERSTATE 80 THROUGH SWEETWATER 
COUNTY...SEVERELY IMPACTING TRAVEL. ROADS WILL BECOME SLICK
QUICKLY THIS EVENING AS TEMPERATURES PLUMMET BEHIND THE COLD
FRONT.

ROAD CONDITIONS IN THE WARNED AREA WILL BE TREACHEROUS...
ESPECIALLY ALONG INTERSTATE 80.

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

$$

WYZ014-015-280600-
/O.CON.KRIW.WS.W.0013.000000T0000Z-061129T0000Z/
WIND RIVER MOUNTAINS WEST-WIND RIVER MOUNTAINS EAST-
148 PM MST MON NOV 27 2006

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

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

SNOW WILL INCREASE OVER THE WIND RIVER MOUNTAINS THIS AFTERNOON.
STRONG SOUTHWEST WINDS WILL CAUSE SIGNIFICANT AREAS OF BLOWING
AND DRIFTING SNOW. SNOWFALL WILL BE HEAVY AT TIMES WITH STRONG WINDS
CONTINUING TONIGHT AND TOMORROW MORNING WITH POTENTIAL WHITE OUT
CONDITIONS ON SOUTH PASS. SNOWFALL AMOUNTS OF 15 TO 25 INCHES ARE
EXPECTED. THE LESSER AMOUNTS WILL BE FOUND NEAR TOGWOTEE PASS.

ROAD CONDITIONS IN THE WARNED AREA WILL BE TREACHEROUS...
ESPECIALLY HIGHWAY 28 OVER SOUTH PASS.

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

$$

WYZ012-280600-
/O.CON.KRIW.WS.W.0013.000000T0000Z-061129T0000Z/
TETON AND GROS VENTRE MOUNTAINS-
148 PM MST MON NOV 27 2006

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

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

SNOW WILL INCREASE OVER THE TETON AND GROS VENTRE MOUNTAINS THIS
AFTERNOON. STRONG SOUTHWEST WINDS WILL CAUSE SIGNIFICANT BLOWING AND
DRIFTING SNOW. SNOWFALL WILL BECOME HEAVY AT TIMES THIS AFTERNOON
AND EVENING. STRONG WINDS WILL CONTINUE TONIGHT AND TOMORROW
MORNING WITH POTENTIAL WHITE OUT CONDITIONS ON TETON PASS AND
HOBACK CANYON. SNOWFALL AMOUNTS OF 12 TO 18 INCHES ARE EXPECTED.

ROAD CONDITIONS IN THE WARNED AREA WILL BE TREACHEROUS...
ESPECIALLY HIGHWAY 22 OVER TETON PASS.

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

$$

WYZ024-280600-
/O.CON.KRIW.WS.W.0013.000000T0000Z-061129T0000Z/
SALT RIVER AND WYOMING RANGES-
148 PM MST MON NOV 27 2006

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

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

SNOW WILL INCREASE OVER THE SALT RIVER AND WYOMING RANGES THIS
AFTERNOON. STRONG SOUTHWEST WINDS WILL CAUSE SIGNIFICANT BLOWING AND
DRIFTING SNOW. SNOWFALL WILL BECOME HEAVY AT TIMES THIS AFTERNOON
AND EVENING. STRONG WINDS WILL CONTINUE TONIGHT AND TUESDAY
MORNING WITH POTENTIAL WHITE OUT CONDITIONS. SNOWFALL AMOUNTS OF
12 TO 18 INCHES ARE EXPECTED.

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

$$

WYZ013-280600-
/O.CON.KRIW.WS.W.0013.000000T0000Z-061129T0000Z/
JACKSON HOLE-
INCLUDING THE CITY OF...JACKSON
148 PM MST MON NOV 27 2006

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

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

SNOW WILL INCREASE OVER JACKSON HOLE THIS AFTERNOON. STRONG SOUTHWEST
WINDS WILL CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW. SNOWFALL
IS EXPECTED TO BE HEAVY AT TIMES THIS AFTERNOON AND EVENING.
STRONG WINDS WILL CONTINUE TONIGHT AND TOMORROW MORNING WITH
POTENTIAL WHITE OUT CONDITIONS FROM MOOSE TO MORAN. SNOWFALL
AMOUNTS OF 6 TO 10 INCHES ARE EXPECTED. THE LESSER AMOUNTS WILL BE
FOUND NEAR JACKSON.

ROAD CONDITIONS IN THE WARNED AREA WILL BE TREACHEROUS...
ESPECIALLY HIGHWAY 26 THROUGH JACKSON HOLE.

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

$$

WYZ025-026-280600-
/O.CON.KRIW.WS.W.0013.000000T0000Z-061129T0000Z/
UPPER GREEN RIVER BASIN FOOTHILLS-UPPER GREEN RIVER BASIN-
INCLUDING THE CITIES OF...PINEDALE...LA BARGE...BIG PINEY...
FARSON
148 PM MST MON NOV 27 2006

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

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

SNOW WILL INCREASE OVER SUBLETTE COUNTY THIS AFTERNOON. STRONG
SOUTHWEST WINDS WILL CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW.
SNOWFALL WILL BECOME HEAVY AT TIMES THIS AFTERNOON AND EVENING.
STRONG WINDS WILL CONTINUE TONIGHT AND TOMORROW MORNING WITH
POTENTIAL WHITE OUT CONDITIONS FROM BONDURANT TO FARSON. SNOWFALL
AMOUNTS OF 6 TO 10 INCHES ARE EXPECTED FROM BONDURANT TO PINEDALE.
THE LESSER AMOUNTS WILL BE FOUND AROUND BIG PINEY.

BE SURE TO CHECK THE LATEST ROAD CONDITIONS BEFORE TRAVELING.

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

$$

WYZ023-027-280600-
/O.CON.KRIW.WS.W.0013.000000T0000Z-061129T0000Z/
STAR VALLEY-SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF...AFTON...ALPINE...THAYNE...KEMMERER...
COKEVILLE
148 PM MST MON NOV 27 2006

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

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

SNOW WILL INCREASE OVER THE STAR VALLEY AND SOUTHERN LINCOLN
COUNTY THIS AFTERNOON. STRONG SOUTHWEST WINDS WILL CAUSE SIGNIFICANT
BLOWING AND DRIFTING SNOW. SNOWFALL WILL BECOME HEAVY AT TIMES
THIS AFTERNOON AND EVENING. STRONG WINDS WILL CONTINUE TONIGHT AND
TOMORROW MORNING WITH POTENTIAL WHITE OUT CONDITIONS FROM OPAL TO
BORDER. SNOWFALL AMOUNTS OF 6 TO 10 INCHES ARE EXPECTED.

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

$$

WYZ019-280600-
/O.EXT.KRIW.SN.Y.0050.061127T2200Z-061129T0000Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
148 PM MST MON NOV 27 2006

...SNOW ADVISORY NOW IN EFFECT UNTIL 5 PM MST TUESDAY...

THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 5 PM MST TUESDAY. 

SNOW WILL INCREASE ACROSS THE GREEN MOUNTAINS AND RATTLESNAKE
RANGE THIS AFTERNOON. SNOWFALL WILL BECOME HEAVY AT TIMES THIS
EVENING. SNOWFALL AMOUNTS OF 3 TO 6 INCHES ARE EXPECTED. SLIGHTLY
HIGHER AMOUNTS OF UP TO 8 INCHES WILL OCCUR ALONG THE SOUTHERN END
OF THE WIND RIVER MOUNTAINS. THE RATTLESNAKE RANGE WILL LIKELY
ONLY RECEIVE 2 TO 3 INCHES. STRONG WINDS WILL CREATE AREAS OF
BLOWING AND DRIFTING SNOW ALONG HIGHWAY 287 BETWEEN SWEETWATER
STATION TO MUDDY GAP TONIGHT.

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

$$

WYZ001-002-280600-
/O.CON.KRIW.SN.Y.0050.000000T0000Z-061129T0000Z/
YELLOWSTONE NATIONAL PARK-ABSAROKA MOUNTAINS-
INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL
148 PM MST MON NOV 27 2006

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST TUESDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST TUESDAY. 

SNOW WILL INCREASE OVER YELLOWSTONE NATIONAL PARK AND THE
ABSAROKA MOUNTAINS THIS AFTERNOON. STRONG SOUTHWEST WINDS WILL
CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW. SNOWFALL WILL BECOME
HEAVY AT TIMES THIS AFTERNOON AND EVENING. STRONG WINDS WILL
CONTINUE TONIGHT AND TOMORROW MORNING WITH POTENTIAL WHITE OUT
CONDITIONS OVER MOUNTAIN PASSES. SNOWFALL AMOUNTS OF 6 TO 12
INCHES ARE EXPECTED. SLIGHTLY HIGHER AMOUNTS OF UP TO 16 INCHES
WILL BE POSSIBLE ACROSS EXTREME SOUTHERN PORTIONS OF THE PARK.
AREAS AROUND MAMMOTH WILL RECEIVE MUCH LIGHTER AMOUNTS OF 3 TO 5
INCHES.

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

$$

WYZ016-280600-
/O.CON.KRIW.SN.Y.0050.000000T0000Z-061129T0000Z/
UPPER WIND RIVER BASIN-
INCLUDING THE CITY OF...DUBOIS
148 PM MST MON NOV 27 2006

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST TUESDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST TUESDAY. 

SNOW WILL INCREASE NEAR DUBOIS THIS AFTERNOON. SNOWFALL WILL
BECOME HEAVY AT TIMES THIS EVENING. SNOWFALL AMOUNTS OF 3 TO
6 INCHES ARE EXPECTED. SLIGHTLY HIGHER AMOUNTS OF UP TO 8 INCHES
WILL BE POSSIBLE NORTHWEST OF DUBOIS TOWARDS TOGWOTEE PASS.

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

$$

C.BAKER
000 
WWUS45 KRIW 280425
WSWRIW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
925 PM MST MON NOV 27 2006

...WINTER STORM WARNING IN EFFECT TODAY THROUGH TOMORROW
AFTERNOON FOR MUCH OF WESTERN AND SOUTHERN WYOMING...

WYZ014-015-281200-
/O.CON.KRIW.WS.W.0013.000000T0000Z-061129T0000Z/
WIND RIVER MOUNTAINS WEST-WIND RIVER MOUNTAINS EAST-
925 PM MST MON NOV 27 2006

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

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

SNOW WILL CONTINUE OVERNIGHT AND TUESDAY IN THE WIND RIVER
MOUNTAINS. SNOWFALL SO FAR HAS RANGED FROM 2 TO 6 INCHES ON THE
WEST SLOPES FROM AUTOMATED STATIONS. THE EAST SLOPES HAVE HAD 1 TO
4 INCHES OF SNOW. HOWEVER...AROUND SOUTH PASS ABOVE 9000
FEET...SNOWFALL HAS RANGED FROM 6 TO 10 INCHES FROM AUTOMATED
STATIONS.

A SOUTHWEST TO WEST WIND OF 20 TO 30 MPH WITH GUSTS TO 40 MPH WILL
CAUSE SIGNIFICANT AREAS OF BLOWING AND DRIFTING SNOW. THIS ALONG
WITH THE SNOW WILL CREATE POTENTIAL WHITE OUT CONDITIONS ON SOUTH
PASS. STORM TOTAL SNOWFALL WILL RANGE FROM 1 TO 2 FEET IN THE WIND
RIVER MOUNTAINS ABOVE 9000 FEET. SNOWFALL OF 8 TO 12 INCHES WILL
OCCUR AROUND TOGWOTEE PASS.

ROAD CONDITIONS IN THE WARNED AREA WILL BE TREACHEROUS...ESPECIALLY
HIGHWAY 28 OVER SOUTH PASS.

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

$$

WYZ012-281200-
/O.CON.KRIW.WS.W.0013.000000T0000Z-061129T0000Z/
TETON AND GROS VENTRE MOUNTAINS-
925 PM MST MON NOV 27 2006

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

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

SNOW WILL CONTINUE OVERNIGHT AND TUESDAY. SNOWFALL SO FAR FROM THE
STORM HAS RANGED FROM 3 TO 8 INCHES FROM AUTOMATED STATIONS. ONE
LOCATION AROUND 10000 FEET HAS RECORDED 11 INCHES OF SNOW SINCE
THIS MORNING.

A WEST TO SOUTHWEST WIND OF 20 TO 30 MPH WITH GUSTS AROUND 45 MPH
WILL OCCUR IN OPEN AREAS. THIS WILL CAUSE SIGNIFICANT BLOWING AND
DRIFTING SNOW. STORM TOTAL SNOWFALL BY LATE TUESDAY AFTERNOON WILL
RANGE FROM 12 TO 18 INCHES.

ROAD CONDITIONS IN THE WARNED AREA WILL BE TREACHEROUS...ESPECIALLY
HIGHWAY 22 OVER TETON PASS.

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

$$

WYZ024-281200-
/O.CON.KRIW.WS.W.0013.000000T0000Z-061129T0000Z/
SALT RIVER AND WYOMING RANGES-
925 PM MST MON NOV 27 2006

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

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

SNOW WILL CONTINUE OVER THE MOUNTAINS TONIGHT INTO TUESDAY.
SNOWFALL SO FAR HAS RANGED FROM 2 TO 6 INCHES FROM AUTOMATED
STATIONS.  

A SOUTHWEST TO WEST WIND OF 20 TO 30 MPH WITH GUSTS AROUND 45 MPH
WILL OCCUR IN OPEN AREAS. THIS WILL CAUSE SIGNIFICANT BLOWING AND
DRIFTING SNOW. LOCAL WHITE OUT CONDITIONS ARE POSSIBLE. STORM
TOTAL SNOWFALL WILL RANGE FROM 12 TO 18 INCHES BY LATE TUESDAY AFTERNOON.

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

$$

WYZ013-281200-
/O.CON.KRIW.WS.W.0013.000000T0000Z-061129T0000Z/
JACKSON HOLE-
INCLUDING THE CITY OF...JACKSON
925 PM MST MON NOV 27 2006

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

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

SNOW WILL OCCUR OVERNIGHT AND TUESDAY IN THE JACKSON VALLEY.
SNOWFALL SO FAR HAS RANGED FROM 1 TO 3 INCHES IN THE VALLEY.
SNOWFALL AROUND WILSON HAS BEEN 3 TO 4 INCHES SINCE THIS MORNING.

AREAS OF SOUTHWEST WIND AT 10 TO 20 MPH WITH GUSTS AROUND 25 MPH.
EXPECT SOME BLOWING AND DRIFTING SNOW NORTH OF JACKSON TOWARD 
MORAN JUNCTION. STORM TOTAL SNOWFALL WILL RANGE FROM 6 TO 10 INCHES
BY LATE TUESDAY AFTERNOON. SNOWFALL AROUND JACKSON WILL RANGE FROM
5 TO 7 INCHES. 

ROAD CONDITIONS IN THE WARNED AREA WILL BE TREACHEROUS...
ESPECIALLY NORTH OF JACKSON TOWARD MORAN JUNCTION.

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

$$

WYZ025-026-281200-
/O.CON.KRIW.WS.W.0013.000000T0000Z-061129T0000Z/
UPPER GREEN RIVER BASIN FOOTHILLS-UPPER GREEN RIVER BASIN-
INCLUDING THE CITIES OF...PINEDALE...LA BARGE...BIG PINEY...
FARSON
925 PM MST MON NOV 27 2006

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

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

SNOW WILL OCCUR OVERNIGHT AND TUESDAY. SNOWFALL SO FAR HAS RANGED
FROM 1 TO 2 INCHES AROUND PINEDALE...BIG PINEY AND FARSON. SNOWFALL OF
3 TO 4 INCHES HAS OCCURRED AROUND CORA. OVER TOWARD BONDURANT 4 TO
6 INCHES OF SNOW HAS FALLEN.

AREAS OF WEST WIND WILL DEVELOP OVERNIGHT AT 15 TO 20 MPH. THIS
WILL CAUSE SOME DRIFTING SNOW IN OPEN AREAS. STORM TOTAL SNOWFALL
WILL RANGE FROM 6 TO 10 INCHES NORTH AND NORTHWEST OF PINEDALE
TOWARD CORA AND BONDURANT. SNOWFALL AROUND 6 INCHES WILL BE LIKELY
IN THE REST OF THE VALLEY BY LATE TUESDAY AFTERNOON.

ROADS MAY BECOME HAZARDOUS...ESPECIALLY IN OPEN AREAS.

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

$$

WYZ023-027-281200-
/O.CON.KRIW.WS.W.0013.000000T0000Z-061129T0000Z/
STAR VALLEY-SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF...AFTON...ALPINE...THAYNE...KEMMERER...
COKEVILLE
925 PM MST MON NOV 27 2006

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

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

SNOW WILL CONTINUE OVERNIGHT INTO TUESDAY. SNOWFALL SO FAR HAS
RANGED FROM 1 TO 3 INCHES IN THE STAR VALLEY WITH 4 INCHES REPORTED
AT THAYNE AND SMOOT. SNOWFALL AROUND KEMMERER AND COKEVILLE HAS
BEEN FROM 1 TO 2 INCHES. 

A WEST WIND OF 20 TO 30 MPH WITH GUSTS AROUND 40 MPH WILL BE
COMMON IN SOUTHERN LINCOLN COUNTY OVERNIGHT AND TUESDAY. THIS WILL
CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW. STORM TOTAL SNOWFALL
WILL RANGE FROM 5 TO 8 INCHES ACROSS THE STAR VALLEY WITH LOCALLY
HIGHER AMOUNTS NEAR THE FOOTHILLS. IN SOUTHERN LINCOLN COUNTY... 5
TO 8 INCHES OF SNOW IS EXPECTED BY LATE TUESDAY AFTERNOON.
 
ROAD WILL BE HAZARDOUS AND WHITE CONDITIONS ARE POSSIBLE AT TIMES
IN SOUTHERN LINCOLN FROM OPAL TO KEMMERER TO SAGE. 

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

$$

WYZ028>030-281200-
/O.CON.KRIW.WS.W.0013.000000T0000Z-061129T0000Z/
ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY-
INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER
925 PM MST MON NOV 27 2006

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

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

SNOW WILL OCCUR OVERNIGHT AND TUESDAY. SNOWFALL SO FAR HAS RANGED
FROM A TRACE TO ONE INCH. STORM TOTAL SNOWFALL BY LATE TUESDAY
AFTERNOON WILL RANGE FROM 4 TO 7 INCHES.  

A WEST WIND OF 20 TO 25 MPH WITH GUSTS AROUND 35 MPH WILL DEVELOP.
BLOWING AND DRIFTING SNOW WILL BE A MAJOR CONCERN IN OPEN AREAS
INCLUDING INTERSTATE 80. LOCAL WHITEOUT CONDITIONS ARE POSSIBLE.
ROADS WILL BECOME SLICK OR SNOWPACKED IN SOME LOCATIONS.

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

$$

WYZ001-002-281200-
/O.CON.KRIW.SN.Y.0050.000000T0000Z-061129T0000Z/
YELLOWSTONE NATIONAL PARK-ABSAROKA MOUNTAINS-
INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL
925 PM MST MON NOV 27 2006

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST TUESDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST TUESDAY. 

SNOW WILL OCCUR OVERNIGHT AND TUESDAY. SNOWFALL SO FAR FROM
AUTOMATED STATIONS HAS RANGED FROM 3 TO 5 INCHES ABOVE 7500 FEET
IN THE CENTRAL AND SOUTHERN PART OF THE PARK. SNOWFALL HAS BEEN AN
INCH OR LESS IN THE NORTHERN PART OF THE PARK.

STORM TOTAL SNOWFALL WILL RANGE FROM 6 TO 10 INCHES IN THE SOUTH
HALF OF THE PARK...IN A LINE FROM WEST ENTRANCE TO LAKE YELLOWSTONE
AND AREAS SOUTH OF THIS LINE. IN THE NORTH HALF OF THE
PARK...SNOWFALL OF 2 TO 5 INCHES IS EXPECTED.

ROADS WILL BE HAZARDOUS IN SOME LOCATIONS. 

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

$$

WYZ016-281200-
/O.CON.KRIW.SN.Y.0050.000000T0000Z-061129T0000Z/
UPPER WIND RIVER BASIN-
INCLUDING THE CITY OF...DUBOIS
925 PM MST MON NOV 27 2006

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST TUESDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST TUESDAY. 

SNOW WILL OCCUR AT TIMES OVERNIGHT AND TUESDAY. SNOWFALL HAS
RANGED FROM A TRACE TO ONE INCH AROUND THE AREA. SNOWFALL OF 3 TO
6 INCHES IS EXPECTED BY LATE TUESDAY AFTERNOON. SNOWFALL OF 5 TO 
8 INCHES WILL BE POSSIBLE NORTHWEST OF DUBOIS TOWARDS TOGWOTEE
PASS.

THE HIGHWAY MAY BECOME SLICK TO SNOWPACKED OVERNIGHT. 

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

$$

WYZ019-281200-
/O.CON.KRIW.SN.Y.0050.000000T0000Z-061129T0000Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
925 PM MST MON NOV 27 2006

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST TUESDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST TUESDAY. 

SNOW WILL OCCUR OVERNIGHT AND TUESDAY. ESTIMATED SNOWFALL HAS
RANGED FROM A TRACE TO ONE INCH SO FAR. STORM TOTAL SNOWFALL OF 3
TO 6 INCHES IS EXPECTED BY LATE TUESDAY AFTERNOON. A WEST WIND OF
20 TO 30 MPH WITH GUSTS TO 40 MPH WILL CREATE AREAS OF BLOWING
AND DRIFTING SNOW ALONG HIGHWAY 287 BETWEEN SWEETWATER STATION TO
MUDDY GAP.

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

$$
000 
WWUS45 KRIW 281109
WSWRIW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
409 AM MST TUE NOV 28 2006

...A SNOW ADVISORY IS IN EFFECT FOR SOUTHWEST WYOMING TODAY THROUGH
TONIGHT...

.A COLD FRONT WILL STALL ACROSS SOUTHWEST WYOMING TODAY. AN UPPER
LEVEL PACIFIC TROUGH WILL BISECT THIS FRONT AND WILL PRODUCE
SIGNIFICANT SNOWFALL ACROSS SOUTHWEST WYOMING TODAY AND TONIGHT.

WYZ028>030-281900-
/O.CAN.KRIW.WS.W.0013.000000T0000Z-061129T0000Z/
/O.NEW.KRIW.SN.Y.0051.061128T1109Z-061129T1100Z/
ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY-
INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER
409 AM MST TUE NOV 28 2006

...WINTER STORM WARNING IS CANCELLED...
...SNOW ADVISORY IN EFFECT UNTIL 4 AM MST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT UNTIL 4 AM MST WEDNESDAY. THE
WINTER STORM WARNING HAS BEEN CANCELED. 

SNOWFALL WILL INCREASE THROUGH THIS AFTERNOON AND CONTINUE THROUGH
TONIGHT ACROSS SWEETWATER COUNTY. SNOWFALL IS EXPECTED TO RANGE
FROM 2 TO 4 INCHES WITH LOCALLY HIGHER AMOUNTS OF 5 INCHES OVER
THE HIGHER ELEVATIONS OF SOUTHERN SWEETWATER COUNTY AS WELL AS
OVER PORTIONS OF NORTHWEST SWEETWATER COUNTY. THE SNOWFALL WILL
LIKELY REDUCE VISIBILITY TO BELOW ONE QUARTER OF A MILE AT TIMES.
WEST WINDS OF 15 TO 25 MPH WILL CREATE DRIFTING AND SOME BLOWING
SNOW. TRAVEL ALONG INTERSTATE 80 WILL LIKELY BECOME HAZARDOUS DUE
TO SLICK ROAD CONDITIONS ALONG WITH LIMITED VISIBILITY.

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

$$

WYZ026-281900-
/O.CAN.KRIW.WS.W.0013.000000T0000Z-061129T0000Z/
/O.NEW.KRIW.SN.Y.0051.061128T1109Z-061129T1100Z/
UPPER GREEN RIVER BASIN-
INCLUDING THE CITIES OF...LA BARGE...BIG PINEY...FARSON
409 AM MST TUE NOV 28 2006

...WINTER STORM WARNING IS CANCELLED...
...SNOW ADVISORY IN EFFECT UNTIL 4 AM MST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT UNTIL 4 AM MST WEDNESDAY. THE
WINTER STORM WARNING HAS BEEN CANCELED. 

SNOWFALL WILL INCREASE THROUGH THIS AFTERNOON AND CONTINUE
THROUGH TONIGHT ACROSS THE UPPER GREEN RIVER BASIN. SNOWFALL IS
EXPECTED TO RANGE FROM 3 TO 5 INCHES. THE SNOWFALL WILL LIKELY
REDUCE VISIBILITY TO BELOW ONE QUARTER OF A MILE AT TIMES. TRAVEL
ALONG AREA ROADS INCLUDING HIGHWAY 191 WILL LIKELY BECOME HAZARDOUS
DUE TO SLICK ROAD CONDITIONS ALONG WITH LIMITED VISIBILITY.

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

$$

WYZ027-281900-
/O.CAN.KRIW.WS.W.0013.000000T0000Z-061129T0000Z/
/O.NEW.KRIW.SN.Y.0051.061128T1109Z-061129T1100Z/
SOUTH LINCOLN COUNTY-
INCLUDING THE CITIES OF...KEMMERER...COKEVILLE
409 AM MST TUE NOV 28 2006

...WINTER STORM WARNING IS CANCELLED...
...SNOW ADVISORY IN EFFECT UNTIL 4 AM MST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT UNTIL 4 AM MST WEDNESDAY. THE
WINTER STORM WARNING HAS BEEN CANCELED. 

SNOWFALL WILL INCREASE THROUGH THIS AFTERNOON AND CONTINUE THROUGH
TONIGHT ACROSS SOUTHERN LINCOLN COUNTY. SNOWFALL IS EXPECTED TO
RANGE FROM 3 TO 5 INCHES INCLUDING KEMMERER. HOWEVER ONLY 1 TO 3
INCHES OF SNOWFALL IS EXPECTED ACROSS SAGE AND COKEVILLE. THE
SNOWFALL WILL LIKELY REDUCE VISIBILITY TO BELOW ONE QUARTER OF A
MILE AT TIMES. TRAVEL ALONG AREA ROADWAYS WILL LIKELY BECOME
HAZARDOUS DUE TO SLICK ROAD CONDITIONS ALONG WITH LIMITED
VISIBILITY.

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

$$

WYZ024-281900-
/O.CAN.KRIW.WS.W.0013.000000T0000Z-061129T0000Z/
/O.NEW.KRIW.SN.Y.0051.061128T1109Z-061129T1100Z/
SALT RIVER AND WYOMING RANGES-
409 AM MST TUE NOV 28 2006

...WINTER STORM WARNING IS CANCELLED...
...SNOW ADVISORY IN EFFECT UNTIL 4 AM MST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT UNTIL 4 AM MST WEDNESDAY. THE
WINTER STORM WARNING HAS BEEN CANCELED. 

SNOWFALL WILL INCREASE THROUGH THIS AFTERNOON AND CONTINUE
THROUGH TONIGHT ACROSS THE SALT RIVER RANGE. SNOWFALL IS EXPECTED
TO RANGE FROM 6 TO 8 INCHES ACROSS THE SOUTHERN AND CENTRAL SALT
RIVER RANGE. HOWEVER 1 TO 3 INCHES OF SNOWFALL IS EXPECTED ACROSS
THE NORTHERN SALT RIVER RANGE. THE SNOWFALL WILL LIKELY REDUCE
VISIBILITY TO BELOW ONE QUARTER OF A MILE AT TIMES. TRAVEL ALONG
AREA ROADWAYS WILL LIKELY BECOME HAZARDOUS DUE TO SLICK ROAD
CONDITIONS ALONG WITH LIMITED VISIBILITY.

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

$$

WYZ012>015-023-025-281215-
/O.CAN.KRIW.WS.W.0013.000000T0000Z-061129T0000Z/
TETON AND GROS VENTRE MOUNTAINS-JACKSON HOLE-
WIND RIVER MOUNTAINS WEST-WIND RIVER MOUNTAINS EAST-STAR VALLEY-
UPPER GREEN RIVER BASIN FOOTHILLS-
INCLUDING THE CITIES OF...JACKSON...AFTON...ALPINE...THAYNE...
PINEDALE
409 AM MST TUE NOV 28 2006

...WINTER STORM WARNING IS CANCELLED...

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

$$

WYZ001-002-016-019-281215-
/O.CAN.KRIW.SN.Y.0050.000000T0000Z-061129T0000Z/
YELLOWSTONE NATIONAL PARK-ABSAROKA MOUNTAINS-
UPPER WIND RIVER BASIN-GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL...
DUBOIS...JEFFREY CITY
409 AM MST TUE NOV 28 2006

...SNOW ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELED THE SNOW
ADVISORY. 

$$

LIPSON

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 Riverton, WY wrote its last area forecast discussion before this winter storm warning went out at Nov 26, 2:27 PM MST, 12 hours 21 minutes earlier.

Area forecast discussion, Nov 26, 2:27 PM MST, 12 hours 21 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RIVERTON WY
227 PM MST SUN NOV 26 2006

.SHORT TERM...TONIGHT THROUGH TUESDAY NIGHT

...WINTER STORM WATCH IN EFFECT FROM MONDAY MORNING THROUGH
TUESDAY AFTERNOON FOR MUCH OF WESTERN WYOMING...

ISSUED WINTER STORM WATCH FOR MONDAY THROUGH TUESDAY AFTERNOON...
A COLD PACIFIC STORM SYSTEM MOVING INTO THE PACIFIC NORTHWEST
TODAY...WILL MOVE EAST INTO WESTERN WYOMING MONDAY MORNING. SNOW IS
EXPECTED TO INCREASE IN THE MORNING AND BECOME HEAVY AT TIMES IN THE
WESTERN MOUNTAINS MONDAY AFTERNOON AND EVENING.  THE PACIFIC STORM
WILL BEGIN TO INTERACT WITH COLD CANADIAN AIR MONDAY NIGHT AND SLOW
DOWN SIGNIFICANTLY WITH PERIODS OF SNOW CONTINUING THROUGH MONDAY
NIGHT AND TUESDAY MORNING. THE SNOW IS EXPECTED TO TAPER OFF
TUESDAY AFTERNOON. SNOWFALL UP TO 2 FEET IS EXPECTED IN THE
WESTERN MOUNTAINS. THE VALLEYS MAY SEE UP TO 10 INCHES OF SNOW.
ALONG WITH THE SNOWFALL...STRONG SOUTHWEST WINDS SHIFTING TO THE
WEST THROUGH THE STORM WILL CAUSE BLOWING AND DRIFTING SNOW.

VERY COMPLEX FORECAST THROUGH TUESDAY NIGHT.  COLD FRONTAL BOUNDARY
HANGS ACROSS THE NORTH AND EAST AND IS STARTING TO RETREAT NORTH
AND EAST THIS AFTERNOON AS SIGNIFICANT PRESSURE FALLS OCCUR FROM
EASTERN WYOMING TO THE WEST COAST WHERE THE STRONG LOW PRESSURE
STORM IS MOVING INLAND INTO WESTERN WASHINGTON. THE LEADING EDGE OF
MOISTURE AHEAD OF THE STORM IS MOVING INTO CENTRAL IDAHO AND WILL
BEGIN TO INCREASE IN WESTERN WYOMING AROUND MIDNIGHT WITH LIGHT
SNOW INCREASING IN COVERAGE INTO MONDAY MORNING. WITH THE
PRECIPITATION...THE FLOW WILL SHIFT TO THE SOUTH SOUTHWEST AND
INCREASE MONDAY MORNING.  THIS FLOW BECOMES VERY FAVORABLE FOR THE
WIND RIVER MOUNTAINS...THE GROS VENTRE MOUNTAINS AND THE SOUTHERN
PART OF YELLOWSTONE NP AT THE NORTHERN END OF JACKSON HOLE.  THE
AIR MASS WILL BE MARGINALLY UNSTABLE WITH SIGNIFICANT OROGRAPHICS
WITH SATURATED 40 TO 50KT 700 MB FLOW INTO THE EXPOSED UPSLOPE
ZONES.  THROUGH MONDAY EVENING...THE FLOW WILL SHIFT IN THE
WESTERN MOUNTAINS TO THE WEST AS THE PACIFIC COLD FRONT MOVES
THROUGH.  THIS SHOULD PROVIDE A BETTER FLOW PATTERN FOR THE TETONS
AND THE WYOMING AND SALT RANGES.  BEHIND THE PACIFIC FRONT...THE
MODELS KEEP THE AIR MASS MARGINALLY UNSTABLE WITH SIGNIFICANT COLD
AIR ADVECTION.  AS THIS STORM PROGRESSES...THERE SHOULD BE A
SIGNIFICANT SHIFT IN SNOW WATER EQUIVALENCE STARTING OUT IN THE 10
TO 1 TO 15 TO 1 RANGE AND INCREASING TO NEAR 20 TO 1 LATE MONDAY
NIGHT AND TUESDAY MORNING.  THIS WILL SIGNIFICANTLY COMPLICATE THE
SNOW ACCUMULATION FORECAST AS WILL THE SIGNIFICANT BLOWING AND
DRIFTING OF SNOW CAUSING SIGNIFICANT PROBLEMS IN MEASUREMENT OF
SNOW.  OVERALL...EXPECT SIGNIFICANT IMPACT FOR TRAVEL OVER SOUTH
PASS...TETON PASS AND TO A LESSER DEGREE OVER TOGWOTEE PASS.  THE
OPEN AREAS OF SOUTHERN LINCOLN AND SUBLETTE COUNTIES SHOULD SEE
NEAR WHITE OUT CONDITIONS WITH THE WIND...ASSUMING THE SNOW IS THERE
IN THE LOWER ELEVATIONS.  MAY NEED SNOW ADVISORIES ACROSS
YELLOWSTONE NP...THE ABSAROKA MOUNTAINS MONDAY AFTERNOON AND MONDAY
NIGHT...AND FOR SWEETWATER COUNTY AND THE GREEN MOUNTAINS MONDAY
NIGHT AND TUESDAY.  EXPECT WINDS THROUGH THE WIND CORRIDOR TO
REMAIN JUST BELOW HIGH WIND CRITERIA AHEAD OF THE COLD FRONT BUT
NATRONA COUNTY...SOUTHERN FREMONT AND NORTHERN SWEETWATER COUNTY
SHOULD HAVE SIGNIFICANT WIND.  THE BIG QUESTION THERE WILL THEN BE
HOW FAR EAST THE SNOW SPREADS.  THIS AREA MAY WELL NEED A SNOW AND
BLOWING SNOW ADVISORY MONDAY NIGHT AND TUESDAY.  TEMPERATURES WILL
BE GOING DOWN HILL THROUGH THE PERIOD WITH STEADY TO FALLING
TEMPERATURES.  MODELS IN FAIR AGREEMENT WITH THE DEGREE OF
DIFFICULTY IN THE FORECAST VERY HIGH.

.LONG TERM...WEDNESDAY THROUGH SUNDAY
NORTH FLOW ALOFT FOR WED WITH SOME LINGERING LIGHT SNOW IN THE
MOUNTAINS. NOW APPEARS THAT WED WILL BE THE COLDEST DAY OF THIS POLAR
EXPRESS. DRY WED NIGHT AND THU AS A BRIEF UPPER RIDGE MOVES THROUGH
THE REGION. 06Z GFS/00Z ECMWF MODELS NOW INDICATE A SHORTWAVE DIVING
SE INTO THE NORTHERN ROCKIES LATE THU NIGHT INTO FRI. HAVE HELD OFF
THE SNOW CHANCE IN THE NW MTS AND BIGHORN MTS UNTIL FRIDAY AS TIMING
MAY BE TOO FAST IN THE MODELS. THEN A NNW FLOW ALOFT PREVAILS FRI
NIGHT INTO NEXT WEEKEND WITH MODELS SOMEWHAT CLOSE IN THEIR
SOLUTIONS. IT WILL NOT WARM UP AS MUCH AS ONCE HOPED AND HAVE COOLED
DOWN HIGHS FRI/SAT. KEPT NEXT SUNDAY HIGHS LITTLE CHANGED FROM SAT.
AS FOR WEATHER...ANOTHER SHORTWAVE MAY DIVE DOWN NEXT SAT INTO SAT
NIGHT BRINGING SOME SNOW TO THE NORTHERN MTS AGAIN. SEEING THE 06Z
GFS NOW AND I LIKE ITS WEATHER PATTERN BETTER FRI THROUGH SUN THAN
THE 00Z GFS MODEL RUN...AS THE 06Z GFS RUN IS CLOSER TO 00Z ECMWF
MODEL RUN.

&&

.RIW WATCHES/WARNINGS/ADVISORIES...WINTER STORM WATCH WESTERN
MOUNTAINS WYOMING ZONES 012-014-015 AND 024 MONDAY THROUGH TUESDAY.
WINTER STORM WATCH WESTERN VALLEYS WYOMING ZONES 013-023-026 AND
027 MONDAY THROUGH TUESDAY.

&&

SHORT TERM...C.BAKER
LONG TERM...AR
Hazardous weather outlook, Nov 26, 11:38 AM MST, 15 hours 10 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RIVERTON WY
1138 AM MST SUN NOV 26 2006

WYZ001>020-022>030-271315-
ABSAROKA MOUNTAINS-BIGHORN MOUNTAINS SOUTHEAST-
BIGHORN MOUNTAINS WEST-CASPER MOUNTAIN-CODY FOOTHILLS-
EAST SWEETWATER COUNTY-FLAMING GORGE-
GREEN MOUNTAINS AND RATTLESNAKE RANGE-JACKSON HOLE-LANDER FOOTHILLS-
NATRONA COUNTY LOWER ELEVATIONS-NORTH BIG HORN BASIN-
NORTHEAST JOHNSON COUNTY-OWL CREEK AND BRIDGER MOUNTAINS-
ROCK SPRINGS AND GREEN RIVER-SALT RIVER AND WYOMING RANGES-
SOUTH LINCOLN COUNTY-SOUTHEAST BIG HORN BASIN-
SOUTHEAST JOHNSON COUNTY-SOUTHWEST BIG HORN BASIN-STAR VALLEY-
TETON AND GROS VENTRE MOUNTAINS-UPPER GREEN RIVER BASIN-
UPPER GREEN RIVER BASIN FOOTHILLS-UPPER WIND RIVER BASIN-
WIND RIVER BASIN-WIND RIVER MOUNTAINS EAST-WIND RIVER MOUNTAINS WEST-
YELLOWSTONE NATIONAL PARK-
1138 AM MST SUN NOV 26 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING.

.DAY ONE...TODAY AND TONIGHT...

SNOW WILL DEVELOP ACROSS FAR WESTERN WYOMING LATE TONIGHT. ONE TO
TWO INCHES OF ACCUMULATIONS IS EXPECTED IN THESE AREAS BY SUNRISE
MONDAY.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY...

...WINTER STORM WATCH IN EFFECT FROM MONDAY MORNING THROUGH
TUESDAY AFTERNOON FOR MUCH OF WESTERN WYOMING...

A COLD PACIFIC STORM SYSTEM WILL MOVE EAST INTO WESTERN WYOMING
MONDAY MORNING. SNOW IS EXPECTED TO INCREASE IN THE MORNING AND
BECOME HEAVY AT TIMES IN THE WESTERN MOUNTAINS MONDAY AFTERNOON AND
EVENING.  THE PACIFIC STORM WILL BEGIN TO INTERACT WITH COLD CANADIAN
AIR MONDAY NIGHT AND SLOW DOWN SIGNIFICANTLY WITH PERIODS OF SNOW
CONTINUING THROUGH MONDAY NIGHT AND TUESDAY MORNING. THE SNOW IS
EXPECTED TO TAPER OFF TUESDAY AFTERNOON. SNOWFALL UP TO 2 FEET IS
EXPECTED IN THE WESTERN MOUNTAINS. THE VALLEYS MAY SEE UP TO 10
INCHES OF SNOW. STRONG WINDS ACROSS THE WEST AND SOUTH MONDAY
THROUGH TUESDAY WILL CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW WITH
NEAR WHITE OUT CONDITIONS EXPECTED ON MOUNTAIN PASSES AND OVER OPEN
WIND PRONE AREAS OF THE SOUTHWEST.

SNOW WILL SPREAD EAST OF THE DIVIDE MONDAY NIGHT INTO TUESDAY. THE
POTENTIAL FOR SIGNIFICANT SNOWFALL EXISTS WEST OF THE DIVIDE WITH
MUCH COLDER AIR IN ALL AREAS...ESPECIALLY EAST OF THE DIVIDE AS AN
ARCTIC FRONT DROPS DOWN LATE MONDAY NIGHT INTO TUESDAY.

THIS ARCTIC FRONT WILL USHER IN MUCH COLDER TEMPERATURES WITH A GOOD
CHANCE FOR SNOW EAST OF THE DIVIDE LATE MONDAY NIGHT AND TUESDAY.
SOME LIGHT SNOW AND FLURRIES WILL PERSIST TUESDAY NIGHT. ONLY LIGHT
SNOW IS EXPECTED IN THE MOUNTAINS ON WEDNESDAY. THE COLD AIR WILL
SETTLE IN FOR TUESDAY NIGHT THROUGH WEDNESDAY NIGHT. SOME WIND IS
EXPECTED AND THIS WILL DROP WIND CHILL READINGS TO WELL BELOW ZERO AT
TIMES. A SLIGHT MODERATION IN TEMPERATURES WILL OCCUR NEXT THURSDAY.

STAY TUNED FOR UPDATES TO THIS OUTLOOK. PEOPLE SHOULD BE PLANNING
FOR THIS CHANGE TO MUCH COLDER TEMPERATURES AND SNOW AFTER MONDAY.
NOW IS THE TIME TO PREPARE FOR THIS CHANGE TO ADVERSE WEATHER...
INCLUDING THAT WINTER WEATHER SURVIVAL KIT. BE SURE THAT YOUR HOME
AND VEHICLES ARE READY FOR THE FIRST COLD OUTBREAK OF THE SEASON.

SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.

TRIW

The office that day

Everything else NWS Riverton, WY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 27, 2:48 AM MSTSnow AdvisoryRIWFremont, Hot Springs, Natrona, Park, Sweetwater, Teton25 hr

Nearby

Winter Storm Warnings in Wyoming, 2006Every winter storm warning in 2006

Sources

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