WINTER STORM WARNING
Issue Date: 227 PM CST TUE DEC 22 2009
Expiration: 600 PM CST FRI DEC 25 2009

...HOLIDAY TRAVEL TO BE SEVERELY IMPACTED BY SIGNIFICANT WINTER
STORM BEGINNING WEDNESDAY...
.A ONCE IN A QUARTER CENTURY STORM WILL MOVE ONTO THE PLAINS
WEDNESDAY AND WRAP UP AND INTENSIFY INTO THURSDAY. A LARGE AREA OF
MAINLY SNOW...HEAVY AT TIMES...WILL LIFT NORTH INTO THE TRI STATE
AREA WEDNESDAY AFTERNOON INTO WEDNESDAY EVENING. BY THURSDAY
MORNING THE WIND WILL BECOME MORE NORTHERLY AND INCREASE WITH
GUSTS OF 30 TO 40 MPH LIKELY. WITH A WIDESPREAD 10 TO 20 INCHES OF
SNOW...SIGNIFICANT BLOWING AND DRIFTING WILL OCCUR ON THURSDAY
INTO FRIDAY.
PARTS OF NORTHWEST IOWA...MAINLY SOUTH OF A ELK POINT TO SPENCER
IOWA LINE...WILL SEE FREEZING RAIN DEVELOP DURING THIS TIME...THEN
CONTINUE INTO THURSDAY MORNING. AROUND A THIRD OF AN INCH OF ICE
WILL BE POSSIBLE DURING THIS TIME WHICH WILL CREATE VERY SLICK
CONDITIONS. THE SNOW WILL THEN BECOME HEAVY ON THURSDAY AFTERNOON
AND NIGHT WITH AROUND A FOOT OF SNOW POSSIBLE ON TOP OF THE ICE.
THIS IS A LIFE THREATENING SYSTEM AND ANY TRAVEL FROM WEDNESDAY
NIGHT INTO FRIDAY WILL BE TREACHEROUS.
SDZ050-057>070-230430-
/O.EXT.KFSD.WS.W.0008.091223T2100Z-091226T0000Z/
GREGORY-BRULE-AURORA-DAVISON-HANSON-MCCOOK-MINNEHAHA-CHARLES MIX-
DOUGLAS-HUTCHINSON-TURNER-LINCOLN-BON HOMME-YANKTON-CLAY-
INCLUDING THE CITIES OF...GREGORY...BURKE...CHAMBERLAIN...
KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...
ALEXANDRIA...EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...
SIOUX FALLS...WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR...
CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP...PARKER...
CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...
LENNOX...TEA...HARRISBURG...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR...YANKTON...VERMILLION
227 PM CST TUE DEC 22 2009
...WINTER STORM WARNING NOW IN EFFECT FROM 3 PM WEDNESDAY TO 6 PM
CST FRIDAY...
THE WINTER STORM WARNING IS NOW IN EFFECT FROM 3 PM WEDNESDAY TO
6 PM CST FRIDAY.
* TIMING...SNOW WILL SPREAD NORTH INTO THE AREA BY LATE WEDNESDAY
  MORNING AND BECOME HEAVY BY LATE WEDNESDAY AFTERNOON. THERE
  COULD BE A BRIEF PERIOD FOR SLEET OR FREEZING RAIN TOWARD THE
  IOWA BORDER LATER WEDNESDAY NIGHT OR THURSDAY. SNOW WILL BECOME
  WIDESPREAD AGAIN THURSDAY NIGHT INTO EARLY FRIDAY.
* ACCUMULATIONS...SNOWFALL TOTALS OF 12 TO 18 INCHES ARE
  ANTICIPATED WITH THIS STORM...WITH THE HEAVIEST AMOUNTS LIKELY
  ACROSS SOUTHEAST SOUTH DAKOTA.
* WIND AND VISIBILITY...NORTHEAST WINDS OF 10 TO 20 MPH CAN BE
  EXPECTED WEDNESDAY...INCREASING GRADUALLY WEDNESDAY NIGHT AND
  THURSDAY...REACHING 25 TO 35 MPH OUT OF THE NORTH THURSDAY
  NIGHT AND FRIDAY. THE WIND COMBINED WITH THE SNOWFALL WILL
  LIKELY REDUCE VISIBILITIES TO NEAR ZERO AT TIMES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW 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.
&&
$$

HAZARDOUS WEATHER OUTLOOK
Issue Date: 943 AM CST TUE DEC 22 2009
Expiration: 600 AM CST WED DEC 23 2009

Expires:200912231200;;
FLUS43 KFSD 221543
HWOFSD
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SIOUX FALLS SD
0943 AM CST TUE DEC 22 2009
SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098-
IAZ001>003-012>014-020>022-031-032-NEZ013-014-231200-
AURORA-BEADLE-BON HOMME-BROOKINGS-BRULE-BUENA VISTA IA-
CHARLES MIX-CHEROKEE IA-CLAY-CLAY IA-COTTONWOOD MN-DAKOTA NE-
DAVISON-DICKINSON IA-DIXON NE-DOUGLAS-GREGORY-HANSON-HUTCHINSON-
IDA IA-JACKSON MN-JERAULD-KINGSBURY-LAKE-LINCOLN-LINCOLN MN-
LYON IA-LYON MN-MCCOOK-MINER-MINNEHAHA-MOODY-MURRAY MN-NOBLES MN-
OBRIEN IA-OSCEOLA IA-PIPESTONE MN-PLYMOUTH IA-ROCK MN-SANBORN-
SIOUX IA-TURNER-UNION-WOODBURY IA-YANKTON-
0943 AM CST TUE DEC 22 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH DAKOTA...
SOUTHWEST MINNESOTA...NORTHWEST IOWA...AND NORTHEAST NEBRASKA.
.DAY ONE...TODAY AND TONIGHT
WINTER WEATHER...
AREAS OF LIGHT FREEZING DRIZZLE AND A FEW FLURRIES MAY MAKE FOR
SOME SLIPPERY TRAVEL TODAY AND TONIGHT.
WIND AND FOG...
DENSE FOG WITH VISIBILITIES A QUARTER MILE OR LESS WILL CONTINUE
OVER PART OF NORTHWEST IOWA THIS MORNING...FROM IDA GROVE TO
STORM LAKE. VISIBILITIES ARE EXPECTED TO IMPROVE TO AROUND A MILE
EARLY THIS AFTERNOON.
.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY
A MAJOR WINTER STORM WILL MOVE SLOWLY THROUGH THE AREA FROM
WEDNESDAY AFTERNOON THROUGH FRIDAY. IT APPEARS THE HEAVIEST
SNOWFALL OF 13 TO 17 INCHES SHOULD BE WEST OF INTERSTATE
29...WITH GRADUALLY LESSER AMOUNTS EXPECTED EAST OF INTERSTATE
29...BUT STILL APPROACHING A FOOT IN MANY AREAS. THE STRONG LOW
PRESSURE SYSTEM MOVING NORTHWARD FROM MISSOURI TO IOWA THROUGH
THURSDAY WILL BRING SOME MILDER AIR ALOFT INTO NORTHWEST
IOWA...WHERE PRECIPITATION SHOULD BE A MIX OF SNOW...
FREEZING RAIN...AND SLEET FROM WEDNESDAY INTO THURSDAY...BEFORE
CHANGING TO ALL SNOW BY LATE THURSDAY. STRONG NORTHERLY WINDS
WILL KICK IN ON THE BACKSIDE OF THE LOW PRESSURE THURSDAY
AFTERNOON AND EVENING...CAUSING WIDESPREAD BLOWING SNOW...IF NOT
BLIZZARD CONDITIONS...TO DEVELOP. THE SNOW AND BLOWING SNOW
SHOULD GRADUALLY TAPER OFF FROM WEST TO EAST OVER THE AREA FRIDAY
NIGHT INTO SATURDAY MORNING.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.
&&
FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT
WWW.WEATHER.GOV/SIOUXFALLS. THIS INCLUDES THE GRAPHICAL HAZARDOUS
WEATHER OUTLOOK.
$$