BLIZZARD WARNING
Issue Date: 133 PM CST TUE DEC 08 2009
Expiration: 1200 PM CST WED DEC 09 2009

.A STRONG WINTER STORM SYSTEM WILL MOVE ACROSS THE CENTRAL PLAINS
THIS AFTERNOON AND TONIGHT. THIS STORM WILL SPREAD SNOW ACROSS
MUCH OF THE AREA...WITH MODERATE TO HEAVY SNOW ACCUMULATIONS INTO
FAR SOUTHEASTERN SOUTH DAKOTA AND NORTHWESTERN IOWA. GRADUALLY
LIGHTER ACCUMULATIONS WILL BE FOUND FARTHER TO THE WEST AND
NORTH...INTO SOUTHWESTERN MINNESOTA...AND SOUTH CENTRAL AND
EASTERN SOUTH DAKOTA. STRONG NORTHERLY WINDS WILL DEVELOP BY LATE
THIS AFTERNOON AND CONTINUE THROUGH WEDNESDAY MORNING...PRODUCING
BLIZZARD CONDITIONS OVER MUCH OF NORTHWEST IOWA. OVER SOUTHWEST
MINNESOTA AND SOUTHEAST SOUTH DAKOTA...WIDESPREAD BLOWING SNOW
OVERNIGHT WILL ALSO REDUCE VISIBILITIES BELOW ONE HALF MILE. IN
ADDITION...ARCTIC AIR WILL COMBINE WITH THE STRONG WINDS TO CREATE
BITTERLY COLD WIND CHILLS OF 15 TO 30 DEGREES BELOW ZERO TONIGHT.
IAZ001>003-012>014-020>022-031-032-MNZ089-090-NEZ013-014-SDZ070-
071-090345-
/O.CAN.KFSD.WS.W.0007.000000T0000Z-091209T1800Z/
/O.NEW.KFSD.BZ.W.0004.091208T1933Z-091209T1800Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-
BUENA VISTA-WOODBURY-IDA-NOBLES-JACKSON-DIXON-DAKOTA-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...LE MARS...CHEROKEE...STORM LAKE...SIOUX CITY...
IDA GROVE...HOLSTEIN...BATTLE CREEK...WORTHINGTON...JACKSON...
LAKEFIELD...WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY...
VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
133 PM CST TUE DEC 8 2009
...BLIZZARD WARNING IN EFFECT UNTIL NOON CST WEDNESDAY...
...WINTER STORM WARNING IS CANCELLED...
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT UNTIL NOON CST WEDNESDAY. THE WINTER
STORM WARNING HAS BEEN CANCELLED.
SNOW WILL CONTINUE ACROSS THE AREA THIS AFTERNOON AND CONTINUE
INTO TONIGHT. THE HEAVIEST SNOWFALL IS EXPECTED THROUGH THIS EVENING
...WITH ACCUMULATING SNOWFALL TAPERING OFF AFTER MIDNIGHT. TOTAL
SNOWFALL ACCUMULATIONS OF 7 TO 11 INCHES ARE EXPECTED...WITH THE
HEAVIEST AMOUNTS IN THE SIOUX CITY TO STORM LAKE AREAS.
STRONG NORTHERLY WINDS 20 TO 35 MPH WILL DEVELOP BY THIS EVENING
AND CONTINUE INTO WEDNESDAY MORNING. THIS WILL RESULT IN WHITEOUT
CONDITIONS IN RURAL AREAS MAKING TRAVEL HAZARDOUS. WIND CHILL
VALUES OF 15 TO 25 DEGREES BELOW ZERO CAN BE EXPECTED BY WEDNESDAY
MORNING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.
$$

HAZARDOUS WEATHER OUTLOOK
Issue Date: 420 AM CST TUE DEC 08 2009
Expiration: 600 AM CST WED DEC 09 2009

Expires:200912091200;;
FLUS43 KFSD 081002
HWOFSD
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SIOUX FALLS SD
0402 AM CST TUE DEC 08 2009
SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098-
IAZ001>003-012>014-020>022-031-032-NEZ013-014-091200-
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-
0402 AM CST TUE DEC 08 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH DAKOTA...
SOUTHWEST MINNESOTA...NORTHWEST IOWA...AND NORTHEAST NEBRASKA.
.DAY ONE...TODAY AND TONIGHT
WINTER WEATHER...
WIDESPREAD SNOW WILL SPREAD NORTHEAST ACROSS THE AREA TODAY AND
CONTINUE INTO TONIGHT. THE HEAVIEST SNOW AMOUNTS OF 6 TO 10
INCHES IS EXPECTED SOUTHEAST OF A LINE FROM VERMILLION SOUTH
DAKOTA TO JACKSON MINNESOTA. NORTHWEST OF THAT LINE...3 TO 6
INCHES OF SNOW IS EXPECTED. IN ADDITION TO THE SNOW...STRONG
NORTHWEST WINDS OF 20 TO 35 MPH WILL DEVELOP LATER THIS AFTERNOON
AND CONTINUE TONIGHT. THIS WILL CREATE WIDESPREAD BLOWING SNOW
WHICH WILL REDUCE VISIBILITIES TO NEAR ZERO AT TIMES. BITTERLY
COLD WIND CHILLS CAN ALSO BE EXPECTED TONIGHT WITH WIND CHILL
READINGS DROPPING TO 10 BELOW TO 25 BELOW ACROSS THE AREA.
.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY
AREAS OF BLOWING SNOW WILL PERSIST EAST OF INTERSTATE 29 ON
WEDNESDAY. WIND CHILLS WILL ALSO BE BITTERLY COLD ACROSS THE
REGION...ESPECIALLY WEDNESDAY 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.
$$

WINTER STORM WARNING
Issue Date: 259 PM CST MON DEC 07 2009
Expiration: 600 AM CST WED DEC 09 2009

.A STRONG WINTER STORM SYSTEM WILL MOVE THROUGH THE CENTRAL
PLAINS ON TUESDAY...AND INTO MISSOURI AND CENTRAL ILLINOIS
TUESDAY NIGHT. THIS STORM WILL GIVE NORTHWEST IOWA AND IMMEDIATE
ADJACENT AREAS WIDESPREAD MODERATE TO HEAVY SNOWFALL TUESDAY AND
TUESDAY EVENING. LIGHTER ACCUMULATIONS WILL BE FOUND FARTHER TO THE
WEST AND NORTH...INTO SOUTHWEST MINNESOTA...SOUTHEAST AND SOUTH
CENTRAL SOUTH DAKOTA...WITH STILL LIGHTER AMOUNTS IN EAST CENTRAL
SOUTH DAKOTA. VERY STRONG WINDS WILL DEVELOP BEHIND THE LOW PRESSURE
AREA LATE TUESDAY AND TUESDAY NIGHT...PRODUCING WIDESPREAD BLOWING AND
DRIFTING SNOW. MUCH BELOW NORMAL TEMPERATURES WILL ALSO COMBINE WITH
THE STRONG WINDS TO PRODUCE VERY COLD WIND CHILL READINGS TUESDAY
AFTERNOON THROUGH WEDNESDAY.
IAZ003-012>014-020>022-031-032-NEZ013-014-SDZ070-071-080500-
/O.UPG.KFSD.WS.A.0006.091208T1200Z-091209T1200Z/
/O.NEW.KFSD.WS.W.0007.091208T1200Z-091209T1200Z/
DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-BUENA VISTA-
WOODBURY-IDA-DIXON-DAKOTA-UNION-
INCLUDING THE CITIES OF...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...LE MARS...CHEROKEE...STORM LAKE...SIOUX CITY...
IDA GROVE...HOLSTEIN...BATTLE CREEK...WAKEFIELD...PONCA...ALLEN...
SOUTH SIOUX CITY...VERMILLION...NORTH SIOUX CITY...BERESFORD...
ELK POINT...ALCESTER...JEFFERSON
259 PM CST MON DEC 7 2009
...WINTER STORM WARNING IN EFFECT FROM 6 AM TUESDAY TO 6 AM CST
WEDNESDAY...
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW...WHICH IS IN EFFECT
FROM 6 AM TUESDAY TO 6 AM CST WEDNESDAY. THE WINTER STORM WATCH IS NO
LONGER IN EFFECT.
ACCUMULATING SNOWFALL WILL SPREAD INTO THE AREA LATE TONIGHT...THEN
CONTINUE THROUGH TUESDAY NIGHT. THE HEAVIEST SNOWFALL IS EXPECTED
TUESDAY AFTERNOON AND EVENING...WITH ACCUMULATING SNOWFALL TAPERING
OFF AFTER MIDNIGHT TUESDAY NIGHT. TOTAL SNOWFALL ACCUMULATIONS OF 6
TO 10 INCHES ARE EXPECTED...WITH THE HEAVIEST AMOUNTS ACROSS THE
SIOUX CITY TO STORM LAKE AREAS.
STRONG NORTHERLY WINDS OF 25 TO 35 MPH CAN ALSO BE EXPECTED TUESDAY
NIGHT...WHICH WILL PRODUCE WIDESPREAD BLOWING AND DRIFTING SNOW...
ALONG WITH WIND CHILL VALUES OF 5 TO 15 DEGREES BELOW ZERO.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING 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.
$$

WINTER STORM WATCH
Issue Date: 333 PM CST SUN DEC 06 2009
Expiration: 600 AM CST WED DEC 09 2009

.TWO STORM SYSTEMS WILL AFFECT THE AREA THROUGH THE FIRST PART OF
THE WEEK. THE FIRST SYSTEM WILL MOVE ACROSS THE AREA THIS
AFTERNOON AND TONIGHT. LIGHT SNOW ACCUMULATIONS WILL
OCCUR...GENERALLY ALONG AND SOUTH OF INTERSTATE 90 IN SOUTHEAST
SOUTH DAKOTA AND SOUTHWEST MINNESOTA...HOWEVER HIGHER AMOUNTS OF 2
TO 4 INCHES ARE ANTICIPATED OVER MUCH OF NORTHWEST IOWA AND
NORTHEAST NEBRASKA. A SECOND...STRONGER SYSTEM WILL IMPACT MUCH OF
THE CENTRAL AND NORTHERN PLAINS TUESDAY AND TUESDAY NIGHT...
PRODUCING WIDESPREAD ACCUMULATIONS OF SNOW WITH HEAVY SNOW
ACCUMULATIONS IN SOME PLACES. AT THIS TIME...HEAVIER SNOW AMOUNTS
ARE EXPECTED ACROSS EASTERN NEBRASKA AND IOWA...WITH LESSER
AMOUNTS INTO EASTERN SOUTH DAKOTA AND MINNESOTA. IN ADDITION TO
SNOW ACCUMULATIONS...STRONG WINDS WILL ACCOMPANY THIS SYSTEM...
PRODUCING BLOWING AND DRIFTING SNOW...AND POOR TRAVEL CONDITIONS.
IAZ003-012>014-020>022-NEZ013-014-SDZ070-071-070545-
/O.NEW.KFSD.WS.A.0006.091208T1200Z-091209T1200Z/
DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-BUENA VISTA-DIXON-
DAKOTA-UNION-
INCLUDING THE CITIES OF...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...LE MARS...CHEROKEE...STORM LAKE...WAKEFIELD...PONCA...
ALLEN...SOUTH SIOUX CITY...VERMILLION...NORTH SIOUX CITY...
BERESFORD...ELK POINT...ALCESTER...JEFFERSON
333 PM CST SUN DEC 6 2009
...WINTER STORM WATCH IN EFFECT FROM TUESDAY MORNING THROUGH LATE
TUESDAY NIGHT...
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM TUESDAY MORNING THROUGH
LATE TUESDAY NIGHT.
A POWERFUL STORM SYSTEM WILL IMPACT MUCH OF THE AREA TUESDAY AND
TUESDAY NIGHT. SNOW IS EXPECTED TO DEVELOP AHEAD OF AN AREA OF LOW
PRESSURE LATE MONDAY NIGHT INTO TUESDAY MORNING...WITH SNOW
CONTINUING INTO TUESDAY NIGHT. HEAVY SNOW ACCUMULATIONS ARE EXPECTED
ACROSS THE WATCH AREA. AT THIS TIME...6 TO 10 INCHES OF SNOW IS
EXPECTED ALONG AND NEAR HIGHWAY 20...WHILE 4 TO 8 INCHES WILL BE
POSSIBLE NEAR A LINE FROM SPENCER IOWA TO YANKTON SOUTH DAKOTA. IN
ADDITION TO HEAVY SNOWFALL...NORTH WINDS WILL INCREASES TO 25 TO
35 MPH TUESDAY NIGHT...PRODUCING WIDESPREAD BLOWING AND DRIFTING
SNOW.
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.
$$
97