HAZARDOUS WEATHER OUTLOOK
Issue Date: 914 PM MST TUE DEC 22 2009
Expiration: 500 AM MST WED DEC 23 2009

Expires:200912231200;;
FLUS45 KCYS 230411
HWOCYS
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHEYENNE WY
910 PM MST TUE DEC 22 2009
NEZ002-003-019>021-054-055-095-096-231200-
DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-
NORTH SIOUX-SOUTH SIOUX-
910 PM MST TUE DEC 22 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN NEBRASKA
PANHANDLE.
.DAY ONE...TONIGHT
SOME LIGHT SNOW IS POSSIBLE OVER THE AREA OVERNIGHT. AREAS OF FOG
WILL OCCUR TONIGHT...WITH LOCALLY DENSE FOG IN SOME LOCATIONS.
.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY
THE WINTER STORM WARNING IS NOW IN EFFECT FROM 3 PM WEDNESDAY
UNTIL 6 PM THURSDAY. LIGHT SNOW IS EXPECTED TO CONTINUE...
ESPECIALLY WEDNESDAY NIGHT. ROADS SHOULD BECOME INCREASINGLY SLICK
AND HAZARDOUS ESPECIALLY WEDNESDAY NIGHT WITH NEAR BLIZZARD
CONDITIONS POSSIBLE MAINLY FROM BLOWING SNOW THROUGH THURSDAY DUE
TO STRONG AND GUSTY WINDS. VERY COLD TEMPERATURES WILL CONTINUE
THROUGH CHRISTMAS DAY WITH GUSTY WINDS PRODUCING AREAS OF BLOWING
AND DRIFTING SNOW.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.
&&
THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND
CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT...
HTTP://WEATHER.GOV/CHEYENNE
$$

WINTER STORM WARNING
Issue Date: 205 PM MST TUE DEC 22 2009
Expiration: 600 PM MST THU DEC 24 2009

...A WINTER STORM WILL BRING SNOW TO PORTIONS OF SOUTHEAST
WYOMING AND NEBRASKA PANHANDLE TONIGHT THROUGH WEDNESDAY NIGHT...
.AN UPPER LEVEL STORM SYSTEM WILL MOVE INTO THE SOUTHERN ROCKIES
TONIGHT AND OUT ONTO THE SOUTHERN PLAINS ON WEDNESDAY.
ACCUMULATING SNOW WILL RETURN TO SOUTHEAST WYOMING AND THE
WESTERN NEBRASKA PANHANDLE TONIGHT AND CONTINUE THROUGH WEDNESDAY
NIGHT. STRONG NORTHWEST WINDS WILL DEVELOP ACROSS FAR EASTERN
WYOMING AND THE NEBRASKA PANHANDLE LATE WEDNESDAY NIGHT AND
THURSDAY CAUSING CONSIDERABLE BLOWING AND DRIFTING SNOW.
NEZ002-003-019>021-054-055-095-096-230515-
/O.EXT.KCYS.WS.W.0011.091223T2200Z-091225T0100Z/
DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-
NORTH SIOUX-SOUTH SIOUX-
INCLUDING THE CITIES OF...CHADRON...ALLIANCE...SCOTTSBLUFF...
GERING...HARRISBURG...BRIDGEPORT...BAYARD...KIMBALL...SIDNEY...
HARRISON...AGATE
205 PM MST TUE DEC 22 2009
...WINTER STORM WARNING NOW IN EFFECT FROM 3 PM WEDNESDAY TO 6 PM
MST THURSDAY...
THE WINTER STORM WARNING IS NOW IN EFFECT FROM 3 PM WEDNESDAY TO
6 PM MST THURSDAY.
* TIMING...LIGHT SNOW NOW APPEARS LIKELY TONIGHT WITH HEAVIER
ACCUMULATIONS BEGINNING WEDNESDAY AFTERNOON. STRONG WINDS ARE
ALSO EXPECTED TO CREATE HAZARDOUS BLOWING AND DRIFTING OF SNOW
WEDNESDAY EVENING AND THROUGH THURSDAY. SNOW WILL BEGIN TAPERING
OFF EARLY THURSDAY.
* TOTAL SNOW ACCUMULATIONS...STORM TOTAL SNOWFALL OF 4 TO 6 INCHES
CAN BE EXPECTED ACROSS THE WESTERN NEBRASKA PANHANDLE BY EARLY
THURSDAY.
* WINDS/VISIBILITIES...SOUTHEAST WINDS AT 10 TO 15 MPH INITIALLY
THIS EVENING WILL GRADUALLY TURN NORTHERLY BY WEDNESDAY. WINDS
WILL THEN BECOME NORTHWEST AND INCREASE TO 20 TO 30 MPH WITH
GUSTS TO 40 MPH WEDNESDAY NIGHT AND THURSDAY CREATING
CONSIDERABLE BLOWING AND DRIFTING SNOW ACROSS THE WESTERN
NEBRASKA PANHANDLE.
* IMPACTS...TRAVEL CONDITIONS WILL BE ADVERSELY IMPACTED IN
FALLING AND BLOWING SNOW LATE WEDNESDAY AFTERNOON THROUGH
WEDNESDAY NIGHT...AND BY CONTINUED BLOWING AND DRIFTING SNOW
THURSDAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW COMBINED WITH
STRONG AND GUSTY WINDS ARE FORECAST THAT WILL MAKE TRAVEL
DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP
AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF
AN EMERGENCY.
$$

WINTER STORM WATCH
Issue Date: 228 PM MST MON DEC 21 2009
Expiration: 1100 PM MST WED DEC 23 2009

...A WINTER STORM WILL BRING SNOW TO PORTIONS OF THE WYOMING
PLAINS AND NEBRASKA PANHANDLE TUESDAY NIGHT INTO WEDNESDAY EVENING.
.AN UPPER LEVEL STORM SYSTEM WILL MOVE FROM THE SOUTHERN ROCKIES
OUT ONTO THE SOUTHERN PLAINS LATE TUESDAY. ACCUMULATING SNOW WILL
RETURN TO SOUTHEAST WYOMING AND THE WESTERN NEBRASKA PANHANDLE
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT.
NEZ002-003-019>021-054-055-095-096-WYZ102-106>108-116>119-220530-
/O.EXT.KCYS.WS.A.0015.091223T0100Z-091224T0600Z/
DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-
NORTH SIOUX-SOUTH SIOUX-NIOBRARA COUNTY-
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-GOSHEN COUNTY-SOUTH LARAMIE RANGE-
SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY-
EAST LARAMIE COUNTY-
INCLUDING THE CITIES OF...CHADRON...ALLIANCE...SCOTTSBLUFF...
GERING...HARRISBURG...BRIDGEPORT...BAYARD...KIMBALL...SIDNEY...
HARRISON...AGATE...LUSK...BORDEAUX...GLENDO...WHEATLAND...
CHUGWATER...GUERNSEY...TORRINGTON...VEDAUWOO...BUFORD...
PUMPKIN VINE...HORSE CREEK...HARRIMAN...WHITAKER...CHEYENNE...
BURNS...CARPENTER...ALBIN...PINE BLUFFS
228 PM MST MON DEC 21 2009
...WINTER STORM WATCH IN EFFECT FROM TUESDAY EVENING THROUGH
WEDNESDAY EVENING...
A WINTER STORM WATCH IS IN EFFECT FROM TUESDAY EVENING THROUGH
WEDNESDAY EVENING.
* TIMING...SNOW WILL BEGIN TO FALL TUESDAY EVENING AND INTENSIFY
LATE TUESDAY NIGHT AND EARLY WEDNESDAY. SNOW WILL CONTINUE
DURING THE DAY ON WEDNESDAY...BEFORE GRADUALLY TAPERING OFF
WEDNESDAY NIGHT.
* TOTAL SNOW ACCUMULATIONS...STORM TOTAL SNOWFALL OF 4 TO 7 INCHES
WILL BE POSSIBLE EAST OF THE LARAMIE RANGE BY LATE WEDNESDAY.
HIGHER AMOUNTS WILL OCCUR IN THE SOUTHERN LARAMIE RANGE...WHERE
5 TO 10 INCHES OF NEW SNOW SNOW IS LIKELY.
* WINDS/VISIBILITIES...EAST WINDS OF 5 TO 15 MPH TUESDAY NIGHT
WILL TURN NORTHERLY DURING THE DAY ON WEDNESDAY.
* IMPACTS...TRAVEL CONDITIONS ARE ANTICIPATED TO BECOME ADVERSELY
IMPACTED IN FALLING SNOW LATE TUESDAY THROUGH WEDNESDAY NIGHT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.
$$