HAZARDOUS WEATHER OUTLOOK
Issue Date: 439 AM MST FRI DEC 25 2009
Expiration: 700 AM MST SAT DEC 26 2009

Expires:200912261400;;
FLUS43 KUNR 251131
HWOUNR
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RAPID CITY SD
430 AM MST FRI DEC 25 2009
SDZ001-002-012>014-024>032-041>044-046-047-049-072>074-WYZ054>058-
071-261400-
BENNETT-BUTTE-CENTRAL BLACK HILLS-CUSTER CO PLAINS-FALL RIVER-HAAKON-
HARDING-HERMOSA FOOT HILLS-JACKSON-MELLETTE-NORTHEASTERN CROOK-
NORTHERN BLACK HILLS-NORTHERN CAMPBELL-NORTHERN FOOT HILLS-
NORTHERN MEADE CO PLAINS-PENNINGTON CO PLAINS-PERKINS-RAPID CITY-
SHANNON-SOUTHERN BLACK HILLS-SOUTHERN CAMPBELL-SOUTHERN FOOT HILLS-
SOUTHERN MEADE CO PLAINS-STURGIS/PIEDMONT FOOT HILLS-TODD-TRIPP-
WESTERN CROOK-WESTON-WYOMING BLACK HILLS-ZIEBACH-
430 AM MST (530 AM CST) FRI DEC 25 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN SOUTH DAKOTA AND
NORTHEASTERN WYOMING.
...MAJOR WINTER STORM TO AFFECT THE AREA THROUGH SATURDAY...
.DAY ONE...TODAY AND TONIGHT
A POWERFUL WINTER STORM WILL BRING BLIZZARD CONDITIONS TO MUCH OF THE
AREA TODAY AND TONIGHT. SNOW WILL SPREAD OVER ALL OF THE AREA EARLY
TODAY...WITH THE HEAVIEST SNOWFALL OVER THE NORTHERN BLACK HILLS.
GUSTY NORTHWEST WINDS WILL CREATE WHITEOUT CONDITIONS ON THE OPEN
PLAINS...AS WELL AS DANGEROUS WIND CHILL VALUES.
.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY
THE POWERFUL WINTER STORM WILL CONTINUE ITS GRIP ON THE REGION
THROUGH MOST OF SATURDAY...AND THEN BEGIN TO DIMINISH LATE SATURDAY
AFTERNOON AND SATURDAY NIGHT.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY.
$$

BLIZZARD WARNING
Issue Date: 347 AM MST FRI DEC 25 2009
Expiration: 500 PM MST SAT DEC 26 2009

...BLIZZARD TO CRIPPLE WESTERN SOUTH DAKOTA ON CHRISTMAS DAY...
.A POWERFUL WINTER STORM WILL AFFECT THE NORTH CENTRAL UNITED
STATES TODAY THROUGH SATURDAY...AND SLOWLY EXIT THE REGION ON
SUNDAY. SNOW AND VERY STRONG WINDS WILL TAKE HOLD TODAY OVER
WESTERN SOUTH DAKOTA AND NORTHEASTERN WYOMING...WITH WEATHER
CONDITIONS BECOMING QUITE BAD IN MOST AREAS AS THE DAY EVOLVES.
STRONG NORTHWEST WINDS WILL RESULT IN BLOWING SNOW AND WHITEOUT
CONDITIONS...ESPECIALLY OVER THE PLAINS OF WESTERN SOUTH DAKOTA
TODAY THROUGH MUCH OF SATURDAY. VERY COLD AIR WILL COMBINE WITH
THE STRONG WINDS TO PRODUCE DANGEROUS WIND CHILL READINGS.
THE LATEST ROAD CONDITIONS IN SOUTH DAKOTA ARE AVAILABLE BY
CALLING 511...OR 1-866-697-3511. IN WYOMING...CALL 511...OR 1-888-
996-7623.
SDZ001-002-012>014-025-030>032-042>044-046-047-049-072-073-WYZ071-
251900-
/O.EXT.KUNR.BZ.W.0004.091225T1200Z-091227T0000Z/
HARDING-PERKINS-BUTTE-NORTHERN MEADE CO PLAINS-ZIEBACH-
NORTHERN FOOT HILLS-CUSTER CO PLAINS-PENNINGTON CO PLAINS-HAAKON-
SHANNON-JACKSON-BENNETT-MELLETTE-TODD-TRIPP-
STURGIS/PIEDMONT FOOT HILLS-SOUTHERN MEADE CO PLAINS-
NORTHEASTERN CROOK-
INCLUDING THE CITIES OF...BUFFALO...LEMMON...BISON...
BELLE FOURCHE...FAITH...DUPREE...SPEARFISH...FOLSOM...WALL...
PHILIP...PINE RIDGE...KYLE...KADOKA...MARTIN...WHITE RIVER...
MISSION...WINNER...STURGIS...UNION CENTER...COLONY
347 AM MST FRI DEC 25 2009 /447 AM CST FRI DEC 25 2009/
...BLIZZARD WARNING NOW IN EFFECT UNTIL 5 PM MST /6 PM CST/
SATURDAY...
THE BLIZZARD WARNING IS NOW IN EFFECT UNTIL 5 PM MST /6 PM CST/
SATURDAY.
* SNOW WILL INCREASE IN COVERAGE AND INTENSITY TODAY...AND
CONTINUE THROUGH SATURDAY.
* SNOW ACCUMULATIONS OF 7 TO 14 INCHES ARE EXPECTED...WITH THE
HIGHEST AMOUNTS OVER NORTHWESTERN SOUTH DAKOTA AND ALONG THE
PINE RIDGE.
* NORTHWEST WINDS OF 25 TO 40 MPH...WITH GUSTS AS HIGH AS 50
MPH...WILL PRODUCE BLIZZARD CONDITIONS WITH THE VISIBILITY
REDUCED TO ONE QUARTER MILE OR LESS AT TIMES.
* WIND CHILL VALUES WILL BE FROM 15 BELOW TO 35 BELOW ZERO
THROUGH TONIGHT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A BLIZZARD WARNING MEANS THE COMBINATION OF SNOW...BLOWING SNOW...
AND STRONG WINDS WILL CREATE DANGEROUS WHITEOUT CONDITIONS. STAY
INDOORS AND DO NOT ATTEMPT TO TRAVEL UNTIL THE STORM IS OVER.
$$

WINTER STORM WARNING
Issue Date: 429 AM MST THU DEC 24 2009
Expiration: 1100 AM MST SAT DEC 26 2009

.A POWERFUL WINTER STORM WILL MOVE ACROSS THE PLAINS AND THE
MIDWEST CHRISTMAS EVE AND CHRISTMAS DAY...AND REMAIN OVER THE
MIDWEST INTO SATURDAY. THIS STORM WILL BRING SNOW AND STRONG
WINDS TO THE REGION. GUSTY NORTHWEST WINDS WILL CAUSE BLOWING
SNOW AND FRIGID WIND CHILL READINGS...ESPECIALLY OVER THE PLAINS
OF WESTERN SOUTH DAKOTA.
THE LATEST ROAD CONDITIONS IN SOUTH DAKOTA ARE AVAILABLE BY
CALLING 511...OR 1-866-697-3511. IN WYOMING...CALL 511...OR 1-888-
996-7623.
SDZ014-032-043-044-046-047-049-242200-
/O.EXT.KUNR.WS.W.0010.000000T0000Z-091226T1800Z/
ZIEBACH-HAAKON-JACKSON-BENNETT-MELLETTE-TODD-TRIPP-
INCLUDING THE CITIES OF...DUPREE...PHILIP...KADOKA...MARTIN...
WHITE RIVER...MISSION...WINNER
429 AM MST THU DEC 24 2009 /529 AM CST THU DEC 24 2009/
...WINTER STORM WARNING NOW IN EFFECT UNTIL 11 AM MST /NOON CST/
SATURDAY...
THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 11 AM MST /NOON
CST/ SATURDAY.
* SNOW MAY DIMINISH FOR A BRIEF PERIOD TODAY...THOUGH WILL RE-
DEVELOP LATER TODAY INTO TONIGHT...AND WILL CONTINUE THROUGH
EARLY SATURDAY.
* SNOW ACCUMULATIONS OF 7 TO 11 INCHES ARE EXPECTED.
* GUSTY NORTHWEST WINDS WILL CAUSE BLOWING SNOW AND VISIBILITIES
LESS THAN ONE HALF MILE AT TIMES THROUGH TONIGHT. WINDS WILL
INCREASE EARLY FRIDAY...WITH VISIBILITIES REDUCING TO ONE QUARTER
MILE OR LESS AT TIMES.
* THE STRONG WINDS WILL COMBINE WITH FRIGID TEMPERATURES TO
PRODUCE WIND CHILL VALUES 15 BELOW TO 25 BELOW ZERO TONIGHT AND
FRIDAY NIGHT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THE SNOW AND STRONG WINDS WILL CREATE DANGEROUS DRIVING
CONDITIONS. CHECK ROAD REPORTS AND DO NOT GO AROUND BARRIERS IF
ROADS HAVE BEEN CLOSED.
$$