DENSE FOG ADVISORY
Issue Date: 945 PM CST MON DEC 21 2009
Expiration: 900 AM CST TUE DEC 22 2009

.WEAK EASTERLY WINDS COMBINED WITH PLENTIFUL LOW LEVEL MOISTURE
WILL PROMOTE DENSE FOG OVER THE SOUTH DAKOTA PLAINS OVERNIGHT INTO
TUESDAY MORNING.
SDZ002-013-014-026-030>032-042>044-046-047-049-072>074-221145-
/O.NEW.KUNR.FG.Y.0001.091222T0345Z-091222T1500Z/
PERKINS-NORTHERN MEADE CO PLAINS-ZIEBACH-RAPID CITY-
CUSTER CO PLAINS-PENNINGTON CO PLAINS-HAAKON-SHANNON-JACKSON-
BENNETT-MELLETTE-TODD-TRIPP-STURGIS/PIEDMONT FOOT HILLS-
SOUTHERN MEADE CO PLAINS-HERMOSA FOOT HILLS-
INCLUDING THE CITIES OF...LEMMON...BISON...FAITH...DUPREE...
RAPID CITY...FOLSOM...WALL...PHILIP...PINE RIDGE...KYLE...
KADOKA...MARTIN...WHITE RIVER...MISSION...WINNER...STURGIS...
UNION CENTER...HERMOSA
845 PM MST MON DEC 21 2009 /945 PM CST MON DEC 21 2009/
...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM MST /9 AM CST/
TUESDAY...
THE NATIONAL WEATHER SERVICE IN RAPID CITY HAS ISSUED A DENSE FOG
ADVISORY...WHICH IS IN EFFECT UNTIL 8 AM MST /9 AM CST/ TUESDAY.
* WIDESPREAD VISIBILITIES OF 1/4 MILE OR LESS ARE EXPECTED THROUGH
EARLY TUESDAY MORNING.
* WITH TEMPERATURES BELOW FREEZING...ICE MAY ACCUMULATE ON
SURFACES...ESPECIALLY ON BRIDGES AND OVERPASSES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A DENSE FOG ADVISORY MEANS NEAR ZERO VISIBILITY IS EXPECTED OR
OCCURRING.
$$

WINTER STORM WATCH
Issue Date: 228 PM CST MON DEC 21 2009
Expiration: 600 PM CST THU DEC 24 2009

...WHITE CHRISTMAS LIKELY FOR WESTERN SOUTH DAKOTA AND NORTHEAST WYOMING...
.AN UPPER LEVEL STORM IN THE GREAT BASIN WILL MOVE EAST INTO NEW MEXICO
ON WEDNESDAY AND INTO IOWA BY FRIDAY. THIS STORM WILL BRING WIDESPREAD
SNOW TO WESTERN SOUTH DAKOTA AND NORTHEASTERN WYOMING FROM LATE TUESDAY
AFTERNOON THROUGH THURSDAY EVENING. SNOW ACCUMULATIONS OF 6 INCHES OR
MORE ARE POSSIBLE BY THURSDAY EVENING ACROSS MUCH OF THE AREA.
SDZ012>014-031-032-043-044-046-047-049-073-220430-
/O.NEW.KUNR.WS.A.0012.091223T1200Z-091225T0000Z/
BUTTE-NORTHERN MEADE CO PLAINS-ZIEBACH-PENNINGTON CO PLAINS-
HAAKON-JACKSON-BENNETT-MELLETTE-TODD-TRIPP-
SOUTHERN MEADE CO PLAINS-
INCLUDING THE CITIES OF...BELLE FOURCHE...FAITH...DUPREE...WALL...
PHILIP...KADOKA...MARTIN...WHITE RIVER...MISSION...WINNER...
UNION CENTER
128 PM MST MON DEC 21 2009 /228 PM CST MON DEC 21 2009/
...WINTER STORM WATCH IN EFFECT FROM LATE TUESDAY NIGHT THROUGH
THURSDAY AFTERNOON...
THE NATIONAL WEATHER SERVICE IN RAPID CITY HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM LATE TUESDAY NIGHT THROUGH
THURSDAY AFTERNOON.
* SNOW IS EXPECTED TO DEVELOP EARLY TUESDAY EVENING AND CONTINUE
THROUGH LATE THURSDAY AFTERNOON.
* SNOW ACCUMULATIONS OF 5 TO 9 INCHES ARE EXPECTED ACROSS THE AREA
BY LATE THURSDAY AFTERNOON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WATCH MEANS HEAVY SNOW...STRONG WIND...FREEZING
PRECIPITATION...AND COLD TEMPERATURES ARE POSSIBLE...BUT THE
TIMING OR TRACK OF THE STORM IS STILL UNCERTAIN. MONITOR NOAA
WEATHER RADIO...LOCAL RADIO OR TELEVISION...OR THE INTERNET FOR
UPDATES ON THIS POTENTIALLY DANGEROUS STORM. TAKE TIME TO PREPARE
FOR SEVERE WINTER CONDITIONS BEFORE THE STORM DEVELOPS.
$$

HAZARDOUS WEATHER OUTLOOK
Issue Date: 554 AM CST MON DEC 21 2009
Expiration: 800 AM CST TUE DEC 22 2009

Expires:200912221400;;
FLUS43 KUNR 211154
HWOUNR
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RAPID CITY SD
500 AM MST MON DEC 21 2009
SDZ001-002-012>014-024>032-041>044-046-047-049-072>074-WYZ054>058-
071-221400-
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-
500 AM MST (600 AM CST) MON DEC 21 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN SOUTH DAKOTA AND
NORTHEASTERN WYOMING.
.DAY ONE...TODAY AND TONIGHT
AREAS OF FOG OVER THE NORTHERN AND EASTERN FOOTHILLS OF THE BLACK
HILLS AND ADJACENT PLAINS WILL REDUCE VISIBILITIES TO UNDER ONE HALF
MILE AT TIMES. THE FOG IS EXPECTED TO DISSIPATE BY LATE MORNING.
SOME LIGHT FREEZING RAIN WILL BE POSSIBLE OVER PORTIONS OF WESTERN
AND SOUTH CENTRAL SOUTH DAKOTA...ALONG WITH PORTIONS OF NORTHEAST
WYOMING TODAY AND THIS EVENING.
.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY
AN UPPER LEVEL LOW PRESSURE SYSTEM WILL MOVE INTO THE REGION LATE
TUESDAY INTO WEDNESDAY...WITH SNOW DEVELOPING OVER THE AREA. LIGHT
TO MODERATE ACCUMULATIONS ARE EXPECTED. THE SNOW IS EXPECTED TO
DIMINISH LATE WEDNESDAY INTO EARLY THURSDAY.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY.
$$