Alert archive / Iowa / Blizzard Warnings in 2009

Blizzard Warning 4, NWS Sioux Falls, SD

December 8, 20094 states

NWS Sioux Falls, SD issued this blizzard warning at Dec 8, 2009, 1:33 PM CST for 4 states. It was in force for 25 hr. 59 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Dec 8, 2009, 1:33 PM CST (19:33 UTC)
Expired
Dec 9, 2009, 3:00 PM CST
In force
25 hr
Issued by
NWS Sioux Falls, SD
All 23 counties

Buena Vista County, IA, Cherokee County, IA, Clay County, IA, Dickinson County, IA, Ida County, IA, Lyon County, IA, O'Brien County, IA, Osceola County, IA, Plymouth County, IA, Sioux County, IA, Woodbury County, IA, Cottonwood County, MN, Jackson County, MN, Lincoln County, MN, Lyon County, MN, Murray County, MN, Nobles County, MN, Pipestone County, MN, Rock County, MN, Dakota County, NE, Dixon County, NE, Clay County, SD, Union County, SD

The radar

The Sioux Falls radar (KFSD), 75 km from the middle of the area, began a volume at 19:39 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Dec 8, 1:52 PM CSTSNOW 2Spencer, IA2 INCHES SINCE MIDNIGHT, 4 INCHES SNOW DEPTH
Dec 8, 2:27 PM CSTSNOW 4Ida Grove, IA
Dec 8, 2:30 PM CSTSNOW 3.5Sioux City, IATOTAL SNOWFALL SINCE MIDNIGHT
Dec 8, 2:30 PM CSTSNOW 4Storm Lake, IASNOW REPORTS RANGE FROM 2 INCHES IN TOWN TO 5 INCHES NEAR TOWN. WIDEPSREAD DRIFTING AND BLOWING IS MAKING SNOW DIFFICULT TO ESTIMATE.
Dec 8, 2:33 PM CSTSNOW 5Primghar, IA4 TO 5 INCHES OF SNOW.
Dec 8, 2:36 PM CSTSNOW 3Spirit Lake, IA
Dec 8, 2:38 PM CSTSNOW 3Rock Rapids, IA
Dec 8, 3:20 PM CSTSNOW 2.5Worthington, MN
Dec 8, 3:20 PM CSTSNOW 3Cherokee, IA
Dec 8, 3:30 PM CSTSNOW 3South Sioux City, NE
Dec 8, 3:30 PM CSTSNOW 5Vermillion, SD
Dec 8, 3:30 PM CSTSNOW 5.3North Sioux City, SD
Dec 8, 3:45 PM CSTSNOW 2.5Marshall, MN
Dec 8, 3:45 PM CSTSNOW 3Windom, MN
Dec 8, 3:55 PM CSTSNOW 3.5Jackson, MN
Dec 8, 4:00 PM CSTSNOW 4.6Sioux City, IATOTAL SNOWFALL THRU 4 PM AT SIOUX CITY
Dec 8, 4:10 PM CSTSNOW 3.54 N Currie, MN
Dec 8, 4:14 PM CSTSNOW 4.51 Nnw Sergeant Bluff, IA
Dec 8, 5:00 PM CSTSNOW 2.7Wakefield, NE
Dec 8, 5:45 PM CSTSNOW 51 Sse Cherokee, IA
Dec 8, 7:20 PM CSTSNOW 54 N Currie, MN
Dec 8, 8:12 PM CSTSNOW 6Jackson, MNVISIBILITY DOWN TO 500 FEET OUTSIDE OF TOWN.
Dec 8, 8:17 PM CSTSNOW 4Marshall, MNVISIBILITY AROUND 1/10 MILE OUTSIDE OF TOWN.
Dec 8, 8:30 PM CSTSNOW 7Sioux City, IAVISIBILITY AROUND 1/4 MILE.
Dec 8, 8:55 PM CSTSNOW 5Windom, MN
Dec 8, 9:35 PM CSTSNOW 55 W Spirit Lake, IA
Dec 8, 9:45 PM CSTSNOW 6.91 Nnw Sergeant Bluff, IA
Dec 8, 10:23 PM CSTBLIZZARDWorthington, MNVISIBILITES 1000 FT., EAST-WEST ROADS IN BAD SHAPE. 4-5 INCHES OF SNOWFALL UP TO 8 PM.
Dec 8, 10:25 PM CSTBLIZZARDSlayton, MNNEAR WHITEOUT CONDITIONS AT TIMES DUE TO BLOWING SNOW. 4 INCHES OF SNOWFALL UP TO 8 PM.
Dec 8, 10:32 PM CSTBLIZZARD 0Primghar, IACONDITIONS DIMINISHING WITH ROAD CONDITIONS BECOMING POOR.
Dec 8, 10:37 PM CSTBLIZZARDSibley, IAQUARTER OF A MILE AT TIMES AND NEAR WHITEOUT CONDITIONS OTHER TIMES DUE TO FALLING AND BLOWING SNOW.
Dec 8, 10:41 PM CSTBLIZZARDPipestone, MNVISIBILITES LESS THAN A QUARTER OF A MILE AT TIMES.
Dec 8, 10:49 PM CSTBLIZZARDSpencer, IALESS THAN 100 FT. VISIBILITY.
Dec 9, 12:00 AM CSTSNOW 9Spencer, IA
Dec 9, 5:10 AM CSTBLIZZARDWorthington, MNVISIBILITY OF 20 FEET. WINDS IN EXCESS OF 50 MPH.
Dec 9, 6:00 AM CSTSNOW 5Marshall, MN
Dec 9, 7:00 AM CSTSNOW 5.22 Ne Lakefield, MN
Dec 9, 7:00 AM CSTHEAVY SNOW 91 Sse Cherokee, IA
Dec 9, 8:00 AM CSTSNOW 5.5Akron, IA
Dec 9, 8:00 AM CSTHEAVY SNOW 73 Ne Battle Creek, IABLIZZARD CONDITIONS
Dec 9, 8:00 AM CSTHEAVY SNOW 7Everly, IA
Dec 9, 8:00 AM CSTHEAVY SNOW 7Holstein, IA
Dec 9, 8:00 AM CSTHEAVY SNOW 7Ocheyedan, IA
Dec 9, 8:00 AM CSTHEAVY SNOW 7.35 Nne Elk Point, SD
Dec 9, 8:00 AM CSTSNOW 8Cherokee, IA
Dec 9, 8:00 AM CSTHEAVY SNOW 98 Ene Wakefield, NE
Dec 9, 8:33 AM CSTSNOW 8Vermillion, SDSEVERAL REPORTS FROM EMERGENCY MANAGEMENT AND LAW ENFORCEMENT INDICATE SNOWFALL OF 6 1/2 TO 8 INCHES IN AND NEXT TO VERMILLION.
Dec 9, 8:36 AM CSTSNOW 85 Sse Meckling, SDLOTS OF DRIFTING.
Dec 9, 8:52 AM CSTSNOW 10Storm Lake, IAMUCH DRIFTING. VISIBILITY VARIABLE WITH SOME WHITEOUT POCKETS IN OPEN AREAS.
Dec 9, 9:00 AM CSTSNOW 5Tracy, MN
Dec 9, 9:00 AM CSTSNOW 7Rock Valley, IA
Dec 9, 9:02 AM CSTBLIZZARDWindom, MNWIDESPREAD LOW VISIBILITIES IN BLOWING SNOW CONTINUE.
Dec 9, 9:03 AM CSTHEAVY SNOW 8Spirit Lake, IANEA BLIZZARD CONDITIONS
Dec 9, 9:05 AM CSTHEAVY SNOW 6Le Mars, IA
Dec 9, 9:06 AM CSTSNOW 8Windom, MNDRIFTING AND BLOWING CONTINUE AREAS OF VISIBILITIES BELOW A QUARTER MILE
Dec 9, 9:20 AM CSTSNOW 5Rock Rapids, IASTORM TOTAL
Dec 9, 9:50 AM CSTHEAVY SNOW 9Sioux Center, IASTORM TOTAL
Dec 9, 10:00 AM CSTHEAVY SNOW 9.76 S Sioux City, IAOBSERVATION FOR SIOUX CITY AIRPORT.
Dec 9, 11:00 AM CSTHEAVY SNOW 94 E Sioux Rapids, IAVISIBILITY WAS NEAR ZERO EARLIER BUT NOW UP TO 1/4 TO 1/2 MILE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 7.6 hours before the alert went out and 219 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Omaha, NE at 12:00Z on 2009-12-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 12:00Z on 2009-12-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 149 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
602 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
149 m²/s²
0-3 km storm-relative helicity
333 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS43 KFSD 081933
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
133 PM CST TUE DEC 8 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.

&&

$$

SDZ050-061-063>065-068-090345-
/O.CON.KFSD.WW.Y.0022.000000T0000Z-091209T1200Z/
GREGORY-MCCOOK-CHARLES MIX-DOUGLAS-HUTCHINSON-BON HOMME-
INCLUDING THE CITIES OF...GREGORY...BURKE...SALEM...CANISTOTA...
BRIDGEWATER...MONTROSE...WAGNER...PLATTE...LAKE ANDES...MARTY...
ARMOUR...CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP...
TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR
133 PM CST TUE DEC 8 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
WEDNESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
WEDNESDAY. 

LIGHT TO MODERATE SNOW WILL CONTINUE ACROSS THE AREA THIS
AFTERNOON. SNOW IS EXPECTED TO GRADUALLY TAPER OFF DURING THE
EVENING. TOTAL SNOWFALL OF 4 TO 6 INCHES IS EXPECTED.

STRONG NORTHERLY WINDS OF 15 TO 30 MPH CAN ALSO BE EXPECTED BY
LATE THIS AFTERNOON AND CONTINUING OVERNIGHT. WINDS WILL INCREASE
TO 20 TO 35 MPH AFTER DARK WHICH WILL PRODUCE WIDESPREAD BLOWING
AND DRIFTING SNOW...ALONG WITH WIND CHILL VALUES OF 20 TO
30 DEGREES BELOW ZERO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS. STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR
FURTHER DETAILS OR UPDATES.

&&

$$

MNZ072-080-081-097-098-SDZ056-062-066-067-069-090345-
/O.CON.KFSD.WW.Y.0022.000000T0000Z-091209T1800Z/
LYON-MURRAY-COTTONWOOD-PIPESTONE-ROCK-MOODY-MINNEHAHA-TURNER-
LINCOLN-YANKTON-
INCLUDING THE CITIES OF...MARSHALL...SLAYTON...FULDA...WINDOM...
MOUNTAIN LAKE...PIPESTONE...LUVERNE...FLANDREAU...SIOUX FALLS...
PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...
CANTON...LENNOX...TEA...HARRISBURG...YANKTON
133 PM CST TUE DEC 8 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST
WEDNESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST
WEDNESDAY. 

SNOWFALL WILL CONTINUE THROUGH TONIGHT. THE HEAVIEST SNOWFALL IS
EXPECTED THIS AFTERNOON AND EVENING...TAPERING OFF AFTER
MIDNIGHT. TOTAL SNOWFALL OF 4 TO 7 INCHES IS EXPECTED.

NORTHERLY WINDS WILL INCREASE TO 15 TO 30 MPH BY LATE THIS
AFTERNOON. AFTER DARK...WINDS WILL INCREASE TO 25 TO 35 MPH...
WHICH WILL PRODUCE WIDESPREAD BLOWING AND DRIFTING SNOW. THIS
WILL REDUCE VISIBILITIES BELOW ONE HALF MILE AT TIMES THROUGH
WEDNESDAY MORNING. BY WEDNESDAY MORNING...WIND CHILLS VALUES OF
20 TO 30 DEGREES BELOW ZERO CAN BE EXPECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS. STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR
FURTHER DETAILS OR UPDATES.

&&

$$

MNZ071-SDZ038>040-052>055-057>060-090345-
/O.CON.KFSD.WW.Y.0022.000000T0000Z-091209T1200Z/
LINCOLN-BEADLE-KINGSBURY-BROOKINGS-JERAULD-SANBORN-MINER-LAKE-
BRULE-AURORA-DAVISON-HANSON-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...HURON...DE SMET...ARLINGTON...LAKE PRESTON...
BROOKINGS...WESSINGTON SPRINGS...ALPENA...WOONSOCKET...HOWARD...
MADISON...CHAMBERLAIN...KIMBALL...PLANKINTON...WHITE LAKE...
STICKNEY...MITCHELL...ALEXANDRIA...EMERY
133 PM CST TUE DEC 8 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
WEDNESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
WEDNESDAY. 

SNOW WILL CONTINUE ACROSS THE AREA THIS AFTERNOON... GRADUALLY
ENDING AROUND MIDNIGHT. TOTAL SNOWFALL OF 3 TO 5 INCHES IS
EXPECTED...WITH THE HEAVIEST AMOUNTS CLOSER TO INTERSTATE 29 AND
INTERSTATE 90.

STRONG NORTHERLY WINDS OF 15 TO 30 MPH CAN ALSO BE EXPECTED TO
DEVELOP BY LATE THIS AFTERNOON. AFTER DARK...WINDS WILL INCREASE
TO 25 TO 35 MPH WHICH WILL PRODUCE WIDESPREAD BLOWING AND
DRIFTING SNOW. THIS WILL ALSO RESULT IN WIND CHILL VALUES OF
20 TO 30 DEGREES BELOW ZERO BY LATE TONIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS. STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR
FURTHER DETAILS OR UPDATES.

&&

$$

SCHUMACHER
6 follow-up statements
000 
WWUS43 KFSD 082123
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
323 PM CST TUE DEC 8 2009

.A STRONG WINTER STORM SYSTEM WILL MOVE EAST FROM THE CENTRAL PLAINS
INTO THE MID-MISSISSIPPI VALLEY 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 THIS EVENING 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-
071-090530-
/O.CON.KFSD.BZ.W.0004.000000T0000Z-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
323 PM CST TUE DEC 8 2009

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL NOON CST WEDNESDAY...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL NOON CST WEDNESDAY. 

SNOW WILL CONTINUE ACROSS THE AREA INTO TONIGHT. THE HEAVIEST SNOW 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 25 TO 35 MPH WILL DEVELOP BY THIS EVENING
AND CONTINUE INTO WEDNESDAY MORNING...WITH OCCASIONAL GUSTS TO AROUND
40 MPH. 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.

&&

$$

SDZ050-061-063>065-068-090530-
/O.CON.KFSD.WW.Y.0022.000000T0000Z-091209T1200Z/
GREGORY-MCCOOK-CHARLES MIX-DOUGLAS-HUTCHINSON-BON HOMME-
INCLUDING THE CITIES OF...GREGORY...BURKE...SALEM...CANISTOTA...
BRIDGEWATER...MONTROSE...WAGNER...PLATTE...LAKE ANDES...MARTY...
ARMOUR...CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP...
TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR
323 PM CST TUE DEC 8 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
WEDNESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
WEDNESDAY. 

LIGHT TO MODERATE SNOW WILL CONTINUE ACROSS THE AREA INTO THE
EARLY EVENING. THE SNOW IS EXPECTED TO GRADUALLY TAPER OFF THROUGH
MIDNIGHT...WITH TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 6 INCHES
EXPECTED.

STRONG NORTHERLY WINDS WILL INCREASE TO 20 TO 35 MPH AFTER DARK...
PRODUCING WIDESPREAD BLOWING AND DRIFTING SNOW...ALONG WITH WIND CHILL
VALUES OF 20 TO 30 DEGREES BELOW ZERO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS. STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR
FURTHER DETAILS OR UPDATES.

&&

$$

MNZ072-080-081-097-098-SDZ056-062-066-067-069-090530-
/O.CON.KFSD.WW.Y.0022.000000T0000Z-091209T1800Z/
LYON-MURRAY-COTTONWOOD-PIPESTONE-ROCK-MOODY-MINNEHAHA-TURNER-
LINCOLN-YANKTON-
INCLUDING THE CITIES OF...MARSHALL...SLAYTON...FULDA...WINDOM...
MOUNTAIN LAKE...PIPESTONE...LUVERNE...FLANDREAU...SIOUX FALLS...
PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...
CANTON...LENNOX...TEA...HARRISBURG...YANKTON
323 PM CST TUE DEC 8 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST
WEDNESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST
WEDNESDAY. 

SNOW WILL CONTINUE THROUGH TONIGHT...WITH THE HEAVIEST SNOW 
EXPECTED THROUGH EVENING. THE SNOW WILL TAPER OFF AFTER
MIDNIGHT...WITH TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 7 INCHES 
EXPECTED.

STRONG NORTHERLY WINDS WILL INCREASE TO 25 TO 35 MPH...WHICH WILL
PRODUCE WIDESPREAD BLOWING AND DRIFTING SNOW. THIS WILL REDUCE
VISIBILITIES BELOW ONE HALF MILE AT TIMES THROUGH WEDNESDAY MORNING.
BY WEDNESDAY MORNING...WIND CHILLS VALUES OF 20 TO 30 DEGREES BELOW
ZERO CAN BE EXPECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS. STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR
FURTHER DETAILS OR UPDATES.

&&

$$

MNZ071-SDZ038>040-052>055-057>060-090530-
/O.CON.KFSD.WW.Y.0022.000000T0000Z-091209T1200Z/
LINCOLN-BEADLE-KINGSBURY-BROOKINGS-JERAULD-SANBORN-MINER-LAKE-
BRULE-AURORA-DAVISON-HANSON-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...HURON...DE SMET...ARLINGTON...LAKE PRESTON...
BROOKINGS...WESSINGTON SPRINGS...ALPENA...WOONSOCKET...HOWARD...
MADISON...CHAMBERLAIN...KIMBALL...PLANKINTON...WHITE LAKE...
STICKNEY...MITCHELL...ALEXANDRIA...EMERY
323 PM CST TUE DEC 8 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
WEDNESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
WEDNESDAY. 

LIGHT TO MODERATE SNOW WILL CONTINUE ACROSS THE AREA INTO THE
EARLY EVENING. THE SNOW IS EXPECTED TO GRADUALLY TAPER OFF THROUGH
MIDNIGHT...WITH TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 5 INCHES
EXPECTED. THE HEAVIEST AMOUNTS ARE EXPECTED CLOSER TO INTERSTATE
29 AND INTERSTATE 90.

STRONG NORTHERLY WINDS WILL INCREASE TO 20 TO 35 MPH WHICH WILL
PRODUCE WIDESPREAD BLOWING AND DRIFTING SNOW. THIS WILL ALSO RESULT
IN WIND CHILL VALUES OF 20 TO 30 DEGREES BELOW ZERO BY LATE TONIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS. STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR
FURTHER DETAILS OR UPDATES.

&&

$$
 JH
000 
WWUS43 KFSD 090320
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
920 PM CST TUE DEC 8 2009

.A STRONG WINTER STORM SYSTEM WILL MOVE EAST FROM THE CENTRAL
PLAINS INTO THE MID-MISSISSIPPI VALLEY TONIGHT. THIS STORM WILL
PRODUCE SNOW ACROSS MUCH OF THE AREA TONIGHT. STRONG NORTHERLY 
WINDS WILL CONTINUE THROUGH WEDNESDAY MORNING...AT TIMES PRODUCING
WHITEOUT CONDITIONS ACROSS SOUTHWEST MINNESOTA AND MUCH OF NORTHWEST
IOWA. OVER 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.

MNZ072-080-081-097-098-091130-
/O.UPG.KFSD.WW.Y.0022.000000T0000Z-091209T1800Z/
/O.EXA.KFSD.BZ.W.0004.000000T0000Z-091209T1800Z/
LYON-MURRAY-COTTONWOOD-PIPESTONE-ROCK-
INCLUDING THE CITIES OF...MARSHALL...SLAYTON...FULDA...WINDOM...
MOUNTAIN LAKE...PIPESTONE...LUVERNE
920 PM CST TUE DEC 8 2009

...BLIZZARD WARNING IN EFFECT UNTIL NOON CST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT UNTIL NOON CST WEDNESDAY. THE WINTER
WEATHER ADVISORY IS NO LONGER IN EFFECT. 

SNOW WILL CONTINUE THROUGH TONIGHT...WITH TOTAL SNOWFALL
ACCUMULATIONS OF 4 TO 7 INCHES. SNOW WILL TAPER OFF LATE TONIGHT
INTO WEDNESDAY MORNING. 

STRONG NORTHERLY WINDS OF 30 TO 40 MPH...WILL PRODUCE WIDESPREAD
BLOWING AND DRIFTING SNOW. THIS WILL REDUCE VISIBILITIES TO NEAR
ZERO AT TIMES TONIGHT AND INTO WEDNESDAY MORNING. IN ADDITION TO
POOR VISIBILITIES...STRONG NORTHERLY WINDS WILL PRODUCE WIND
CHILLS VALUE OF 20 TO 30 DEGREES BELOW ZERO.

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.

&&

$$

MNZ071-091130-
/O.UPG.KFSD.WW.Y.0022.000000T0000Z-091209T1200Z/
/O.EXA.KFSD.BZ.W.0004.000000T0000Z-091209T1800Z/
LINCOLN-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE
920 PM CST TUE DEC 8 2009

...BLIZZARD WARNING IN EFFECT UNTIL NOON CST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT UNTIL NOON CST WEDNESDAY. THE WINTER
WEATHER ADVISORY IS NO LONGER IN EFFECT. 

SNOW WILL CONTINUE THROUGH TONIGHT...WITH TOTAL SNOWFALL
ACCUMULATIONS OF 4 TO 7 INCHES. SNOW WILL TAPER OFF LATE TONIGHT
INTO WEDNESDAY MORNING. 

STRONG NORTHERLY WINDS OF 30 TO 40 MPH...WILL PRODUCE WIDESPREAD
BLOWING AND DRIFTING SNOW. THIS WILL REDUCE VISIBILITIES TO NEAR
ZERO AT TIMES TONIGHT AND INTO WEDNESDAY MORNING. IN ADDITION TO
POOR VISIBILITIES...STRONG NORTHERLY WINDS WILL PRODUCE WIND
CHILLS VALUE OF 20 TO 30 DEGREES BELOW ZERO.

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.

&&

$$

IAZ001>003-012>014-020>022-031-032-MNZ089-090-NEZ013-014-SDZ070-
071-091130-
/O.CON.KFSD.BZ.W.0004.000000T0000Z-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
920 PM CST TUE DEC 8 2009

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL NOON CST WEDNESDAY...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL NOON CST WEDNESDAY. 

SNOW WILL CONTINUE THROUGH TONIGHT...WITH TOTAL SNOWFALL
ACCUMULATIONS OF 4 TO 7 INCHES. SNOW WILL TAPER OFF LATE TONIGHT
INTO WEDNESDAY MORNING. 

STRONG NORTHERLY WINDS OF 30 TO 40 MPH...WILL PRODUCE WIDESPREAD
BLOWING AND DRIFTING SNOW. THIS WILL REDUCE VISIBILITIES TO NEAR
ZERO AT TIMES TONIGHT AND INTO WEDNESDAY MORNING. IN ADDITION TO
POOR VISIBILITIES...STRONG NORTHERLY WINDS WILL PRODUCE WIND
CHILLS VALUE OF 20 TO 30 DEGREES BELOW ZERO.

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.

&&

$$

SDZ050-061-063>065-068-091130-
/O.CON.KFSD.WW.Y.0022.000000T0000Z-091209T1200Z/
GREGORY-MCCOOK-CHARLES MIX-DOUGLAS-HUTCHINSON-BON HOMME-
INCLUDING THE CITIES OF...GREGORY...BURKE...SALEM...CANISTOTA...
BRIDGEWATER...MONTROSE...WAGNER...PLATTE...LAKE ANDES...MARTY...
ARMOUR...CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP...
TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR
920 PM CST TUE DEC 8 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
WEDNESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
WEDNESDAY. 

LIGHT SNOW WILL CONTINUE ACROSS THE AREA THIS EVENING...THEN 
GRADUALLY TAPER OFF AFTER MIDNIGHT...WITH TOTAL SNOWFALL 
ACCUMULATIONS OF 4 TO 6 INCHES EXPECTED.

STRONG NORTHERLY WINDS OF 20 TO 35 MPH WILL PRODUCE WIDESPREAD
BLOWING AND DRIFTING SNOW TONIGHT...ALONG WITH WIND CHILL VALUES
OF 20 TO 30 DEGREES BELOW ZERO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS. STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR
FURTHER DETAILS OR UPDATES.

&&

$$

SDZ056-062-066-067-069-091130-
/O.CON.KFSD.WW.Y.0022.000000T0000Z-091209T1800Z/
MOODY-MINNEHAHA-TURNER-LINCOLN-YANKTON-
INCLUDING THE CITIES OF...FLANDREAU...SIOUX FALLS...PARKER...
CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...
LENNOX...TEA...HARRISBURG...YANKTON
920 PM CST TUE DEC 8 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST
WEDNESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST
WEDNESDAY. 

SNOW WILL CONTINUE THROUGH MUCH OF THE NIGHT...BUT WILL TAPER OFF
TOWARDS SUNRISE. AN ADDITIONAL 1 TO 2 INCHES OF SNOW WILL POSSIBLE
THE REST OF TONIGHT...WITH TOTAL SNOWFALL ACCUMULATIONS OF 5 TO 8
INCHES EXPECTED.

STRONG NORTHERLY WINDS OF 25 TO 35 MPH...WILL PRODUCE WIDESPREAD
BLOWING AND DRIFTING SNOW. THIS WILL REDUCE VISIBILITIES TO ONE
HALF MILE OR LESS AT TIMES TONIGHT. BY WEDNESDAY MORNING...WIND 
CHILLS VALUES OF 20 TO 30 DEGREES BELOW ZERO CAN BE EXPECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS. STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR
FURTHER DETAILS OR UPDATES.

&&

$$

SDZ038>040-052>055-057>060-091130-
/O.CON.KFSD.WW.Y.0022.000000T0000Z-091209T1200Z/
BEADLE-KINGSBURY-BROOKINGS-JERAULD-SANBORN-MINER-LAKE-BRULE-
AURORA-DAVISON-HANSON-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...BROOKINGS...WESSINGTON SPRINGS...ALPENA...
WOONSOCKET...HOWARD...MADISON...CHAMBERLAIN...KIMBALL...
PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...ALEXANDRIA...
EMERY
920 PM CST TUE DEC 8 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
WEDNESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
WEDNESDAY. 

LIGHT TO MODERATE SNOW WILL CONTINUE ACROSS THE AREA INTO THE
EARLY EVENING. THE SNOW IS EXPECTED TO GRADUALLY TAPER OFF
AFTER MIDNIGHT...WITH TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 5 INCHES
EXPECTED. THE HEAVIEST AMOUNTS ARE EXPECTED CLOSER TO INTERSTATE
29 AND INTERSTATE 90.

STRONG NORTHERLY WINDS OF 20 TO 35 MPH WILL PRODUCE WIDESPREAD
BLOWING AND DRIFTING SNOW WITH VISIBILITIES LESS THAN ONE HALF MILE
AT TIMES. IN ADDITION...STRONG WINDS WILL PRODUCE WIND CHILL
VALUES OF 20 TO 30 DEGREES BELOW ZERO BY LATE TONIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS. STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR
FURTHER DETAILS OR UPDATES.

&&

$$
97
000 
WWUS43 KFSD 091010
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
410 AM CST WED DEC 9 2009

.STRONG LOW PRESSURE WILL SHIFT EAST INTO THE GREAT LAKES
TODAY...TAKING WITH IT THE HEAVY SNOWFALL. LEFT BEHIND WILL BE A
VERY COLD AIR MASS WITH NORTH WINDS GUSTING AS HIGH AS 45 MPH.
THESE STRONG WINDS WILL SLOWLY SUBSIDE BY THIS AFTERNOON...BUT
WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW AS WELL AS WIND
CHILL VALUES OF 20 TO 30 BELOW ZERO.

SDZ056-062-066-067-069-091800-
/O.CAN.KFSD.WW.Y.0022.000000T0000Z-091209T1800Z/
/O.NEW.KFSD.WC.Y.0008.091209T1010Z-091209T1800Z/
MOODY-MINNEHAHA-TURNER-LINCOLN-YANKTON-
INCLUDING THE CITIES OF...FLANDREAU...SIOUX FALLS...PARKER...
CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...
LENNOX...TEA...HARRISBURG...YANKTON
410 AM CST WED DEC 9 2009

...WIND CHILL ADVISORY IN EFFECT UNTIL NOON CST TODAY...
...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT UNTIL NOON CST TODAY. THE
WINTER WEATHER ADVISORY HAS BEEN CANCELLED. 

NORTH TO NORTHWEST WINDS GUSTING AS HIGH AS 45 MPH THIS
MORNING...WILL TAPER OFF TO 15 TO 30 MPH THIS AFTERNOON. A
COMBINATION OF COLD TEMPERATURES AND STRONG WINDS WILL CREATE WIND
CHILL READINGS OF 20 TO 25 DEGREES BELOW ZERO. BY AFTERNOON THESE
WIND CHILLS WILL IMPROVE SLIGHTLY...TO AROUND 15 BELOW ZERO.

IN ADDITION TO THE VERY COLD WIND CHILLS...SOME AREAS OF DRIFTING
SNOW CAN BE EXPECTED THROUGH THE DAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN.  THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS.  THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

&&

$$

SDZ038>040-050-052>055-057>061-063>065-068-091800-
/O.CAN.KFSD.WW.Y.0022.000000T0000Z-091209T1200Z/
/O.NEW.KFSD.WC.Y.0008.091209T1010Z-091209T1800Z/
BEADLE-KINGSBURY-BROOKINGS-GREGORY-JERAULD-SANBORN-MINER-LAKE-
BRULE-AURORA-DAVISON-HANSON-MCCOOK-CHARLES MIX-DOUGLAS-HUTCHINSON-
BON HOMME-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...BROOKINGS...GREGORY...BURKE...WESSINGTON SPRINGS...
ALPENA...WOONSOCKET...HOWARD...MADISON...CHAMBERLAIN...KIMBALL...
PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...ALEXANDRIA...
EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...WAGNER...
PLATTE...LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT...
PARKSTON...FREEMAN...MENNO...TRIPP...TYNDALL...SCOTLAND...
SPRINGFIELD...AVON...TABOR
410 AM CST WED DEC 9 2009

...WIND CHILL ADVISORY IN EFFECT UNTIL NOON CST TODAY...
...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT UNTIL NOON CST TODAY. THE
WINTER WEATHER ADVISORY HAS BEEN CANCELLED. 

NORTH TO NORTHWEST WINDS GUSTING AS HIGH AS 45 MPH THIS
MORNING...WILL TAPER OFF TO 15 TO 30 MPH THIS AFTERNOON. A
COMBINATION OF COLD TEMPERATURES AND STRONG WINDS WILL CREATE WIND
CHILL READINGS OF 20 TO 25 DEGREES BELOW ZERO. BY AFTERNOON THESE
WIND CHILLS WILL IMPROVE SLIGHTLY...TO AROUND 15 BELOW ZERO.

IN ADDITION TO THE VERY COLD WIND CHILLS...SOME AREAS OF DRIFTING
SNOW CAN BE EXPECTED THROUGH THE DAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN.  THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS.  THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

&&

$$

IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ070-071-091815-
/O.NEW.KFSD.WC.Y.0008.091209T1800Z-091210T1800Z/
/O.CON.KFSD.BZ.W.0004.000000T0000Z-091209T1800Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-
BUENA VISTA-WOODBURY-IDA-LINCOLN-MURRAY-COTTONWOOD-NOBLES-JACKSON-
PIPESTONE-ROCK-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...TYLER...HENDRICKS...
LAKE BENTON...IVANHOE...MARSHALL...SLAYTON...FULDA...WINDOM...
MOUNTAIN LAKE...WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE...
LUVERNE...WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY...
VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
410 AM CST WED DEC 9 2009

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY...
...WIND CHILL ADVISORY IN EFFECT FROM NOON TODAY TO NOON CST
THURSDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT FROM NOON TODAY TO NOON CST
THURSDAY. A BLIZZARD WARNING REMAINS IN EFFECT UNTIL NOON CST
TODAY. 

LIGHT SNOW AND BLOWING SNOW WILL CONTINUE THROUGH THE
MORNING...WITH THE VISIBILITY FREQUENTLY REDUCED TO LESS THAN A
QUARTER MILE. CONDITIONS ARE EXPECTED TO IMPROVE BY EARLY
AFTERNOON...ALTHOUGH SOME DRIFTING OF SNOW WILL CONTINUE INTO THE
AFTERNOON. THE COMBINATION OF COLD TEMPERATURES AND WINDS GUSTING
AS HIGH AS 45 MPH WILL ALSO PRODUCE WIND CHILL VALUES AS COLD AS
25 BELOW ZERO. THE WIND WILL DECREASE BY AFTERNOON AND
EVENING...BUT REMAIN STRONG ENOUGH TO PRODUCE WIND CHILL VALUES OF
20 TO 30 BELOW ZERO THROUGH TONIGHT INTO THURSDAY 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.

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN.  THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS.  THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

&&

$$
000 
WWUS43 KFSD 091642
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1042 AM CST WED DEC 9 2009

.STRONG LOW PRESSURE WILL SHIFT EAST INTO THE GREAT LAKES THIS
AFTERNOON...TAKING WITH IT THE HEAVY SNOWFALL. LEFT BEHIND WILL
BE A VERY COLD AIR MASS WITH NORTHWEST WINDS GUSTING AS HIGH AS
45 MPH THROUGH SOUTHWEST MINNESOTA AND NORTHWEST IOWA INTO EARLY
AFTERNOON. THESE STRONG WINDS WILL SLOWLY SUBSIDE DURING THE
AFTERNOON...BUT WILL CONTINUE TO CREATE WIDESPREAD BLOWING SNOW
TOWARD THE HIGHWAY 71 CORRIDOR THROUGH EARLY AFTERNOON. GRADUALLY
DIMINISHING WINDS ALLOW IMPROVEMENT IN VISIBILITIES TO SPREAD
EASTWARD THROUGH THE REMAINDER OF SOUTHWEST MINNESOTA...NORTHWEST
IOWA...NORTHEAST NEBRASKA...AND EXTREME SOUTHEAST SOUTH DAKOTA.
HOWEVER...MANY WIND CHILL VALUES OF 20 TO 30 BELOW ZERO WILL
CONTINUE ALONG AND EAST OF INTERSTATE 29 THROUGH TONIGHT.

IAZ003-014-022-MNZ081-090-100045-
/O.EXT.KFSD.BZ.W.0004.000000T0000Z-091209T2100Z/
/O.CON.KFSD.WC.Y.0008.091209T1800Z-091210T1800Z/
DICKINSON-CLAY-BUENA VISTA-COTTONWOOD-JACKSON-
INCLUDING THE CITIES OF...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
SPENCER...STORM LAKE...WINDOM...MOUNTAIN LAKE...JACKSON...
LAKEFIELD
1042 AM CST WED DEC 9 2009

...BLIZZARD WARNING NOW IN EFFECT UNTIL 3 PM CST THIS AFTERNOON...
...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST
THURSDAY...

THE BLIZZARD WARNING IS NOW IN EFFECT UNTIL 3 PM CST THIS
AFTERNOON. A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST
THURSDAY. 

LIGHT SNOW AND BLOWING SNOW WILL CONTINUE THROUGH THE MORNING...
WITH THE VISIBILITY FREQUENTLY REDUCED TO LESS THAN A QUARTER
MILE. CONDITIONS ARE EXPECTED TO IMPROVE BY EARLY TO MID AFTERNOON...
ALTHOUGH SOME DRIFTING OF SNOW WILL CONTINUE THROUGH THE AFTERNOON.
THE COMBINATION OF COLD TEMPERATURES AND WINDS GUSTING AS HIGH AS
45 MPH WILL ALSO PRODUCE WIND CHILL VALUES AS COLD AS 25 BELOW
ZERO. THE WIND WILL DECREASE BY AFTERNOON AND EVENING...BUT REMAIN
STRONG ENOUGH TO PRODUCE WIND CHILL VALUES OF 20 TO 30 BELOW ZERO
THROUGH TONIGHT INTO THURSDAY MORNING. THIS WILL ONLY ADD TO THE
WINTER WEATHER DANGER SHOULD YOU BECOME STRANDED.

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.

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN.  THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS.  THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

&&

$$

IAZ001-002-012-013-020-021-031-032-MNZ071-072-080-089-097-098-
NEZ013-014-SDZ070-071-100045-
/O.CON.KFSD.BZ.W.0004.000000T0000Z-091209T1800Z/
/O.CON.KFSD.WC.Y.0008.091209T1800Z-091210T1800Z/
LYON-OSCEOLA-SIOUX-OBRIEN-PLYMOUTH-CHEROKEE-WOODBURY-IDA-LINCOLN-
MURRAY-NOBLES-PIPESTONE-ROCK-DIXON-DAKOTA-CLAY-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...ORANGE CITY...SIOUX CENTER...SHELDON...
HARTLEY...SANBORN...LE MARS...CHEROKEE...SIOUX CITY...IDA GROVE...
HOLSTEIN...BATTLE CREEK...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...MARSHALL...SLAYTON...FULDA...WORTHINGTON...PIPESTONE...
LUVERNE...WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY...
VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
1042 AM CST WED DEC 9 2009

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST
THURSDAY...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY. A WIND
CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST THURSDAY. 

BLOWING SNOW...WITH AREAS OF VISIBILITIES OF A QUARTER MILE OR LESS
AT TIMES...WILL CONTINUE TO SLOWLY IMPROVE THROUGH MIDDAY...ALTHOUGH
SOME DRIFTING OF SNOW WILL CONTINUE INTO THE AFTERNOON. THE COMBINATION
OF COLD TEMPERATURES AND WINDS GUSTING AS HIGH AS 45 MPH WILL ALSO
PRODUCE WIND CHILL VALUES AS COLD AS 25 BELOW ZERO. THE WIND WILL
DECREASE SOMEWHAT BY AFTERNOON AND EVENING...BUT REMAIN STRONG
ENOUGH TO PRODUCE WIND CHILL VALUES OF 20 TO 30 BELOW ZERO THROUGH
TONIGHT INTO THURSDAY 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.

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN.  THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS.  THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

&&

$$

SDZ038>040-050-052>069-091800-
/O.CON.KFSD.WC.Y.0008.000000T0000Z-091209T1800Z/
BEADLE-KINGSBURY-BROOKINGS-GREGORY-JERAULD-SANBORN-MINER-LAKE-
MOODY-BRULE-AURORA-DAVISON-HANSON-MCCOOK-MINNEHAHA-CHARLES MIX-
DOUGLAS-HUTCHINSON-TURNER-LINCOLN-BON HOMME-YANKTON-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...BROOKINGS...GREGORY...BURKE...WESSINGTON SPRINGS...
ALPENA...WOONSOCKET...HOWARD...MADISON...FLANDREAU...
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
1042 AM CST WED DEC 9 2009

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY. 

NORTH TO NORTHWEST WINDS GUSTING AS HIGH AS 30 MPH LATE THIS
MORNING... WILL TAPER OFF TO 15 TO 25 MPH THIS AFTERNOON. THE 
COMBINATION OF COLD TEMPERATURES AND STRONG WINDS WILL CREATE WIND
CHILL READINGS OF 20 TO 25 DEGREES BELOW ZERO. BY AFTERNOON THESE
WIND CHILLS WILL IMPROVE SLIGHTLY...TO AROUND 15 BELOW ZERO.

IN ADDITION TO THE VERY COLD WIND CHILLS...SOME AREAS OF DRIFTING
SNOW CAN BE EXPECTED THROUGH THE DAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN.  THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS.  THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

&&

$$

CHAPMAN
000 
WWUS43 KFSD 091803
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1203 PM CST WED DEC 9 2009

.LINGERING STRONG WINDS THIS AFTERNOON WILL CONTINUE MAINLY ALONG
AND EAST OF A LINE FROM HENDRICKS MINNESOTA...TO SIOUX FALLS...TO
VERMILLION. THE STRONGEST WINDS WILL PERSIST INTO EARLY AFTERNOON
MAINLY ALONG THE HIGHWAY 71 CORRIDOR...WHERE PERIODS OF VISIBILITIES
AS LOW AS A QUARTER MILE WILL CONTINUE. WHEN THESE STRONG WINDS 
COMBINE WITH THE CHILLY TEMPERATURES...WIND CHILL READINGS FROM 20
BELOW TO 25 BELOW ZERO ARE LIKELY TO CONTINUE TODAY AND INTO
TONIGHT.

IAZ001-002-012-013-020-021-031-032-MNZ071-072-080-089-097-098-
NEZ013-014-SDZ070-071-100215-
/O.EXP.KFSD.BZ.W.0004.000000T0000Z-091209T1800Z/
/O.CON.KFSD.WC.Y.0008.000000T0000Z-091210T1800Z/
LYON-OSCEOLA-SIOUX-OBRIEN-PLYMOUTH-CHEROKEE-WOODBURY-IDA-LINCOLN-
MURRAY-NOBLES-PIPESTONE-ROCK-DIXON-DAKOTA-CLAY-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...ORANGE CITY...SIOUX CENTER...SHELDON...
HARTLEY...SANBORN...LE MARS...CHEROKEE...SIOUX CITY...IDA GROVE...
HOLSTEIN...BATTLE CREEK...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...MARSHALL...SLAYTON...FULDA...WORTHINGTON...PIPESTONE...
LUVERNE...WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY...
VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
1203 PM CST WED DEC 9 2009

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST
THURSDAY...
...BLIZZARD WARNING WILL EXPIRE AT NOON CST TODAY...

THE BLIZZARD WARNING WILL EXPIRE AT NOON CST TODAY. A WIND CHILL
ADVISORY REMAINS IN EFFECT UNTIL NOON CST THURSDAY. 

NORTHWEST WINDS FROM 25 TO 35 MPH SHOULD STILL PRODUCE SOME BLOWING
SNOW INTO THE AFTERNOON...WITH SOME SPOTTY AND BRIEF VISIBILITIES
AS LOW AS A QUARTER TO HALF MILE POSSIBLE. HOWEVER...FOR THE MOST
PART...VISIBILITIES HAVE IMPROVED. THESE STRONG WINDS WILL COMBINE
WITH CHILLY TEMPERATURES TO PRODUCE WIND CHILLS OF 20 BELOW TO
25 BELOW ZERO THROUGH THE AFTERNOON...AND AS COLD AS 30 BELOW ZERO
OVERNIGHT AND EARLY THURSDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN.  THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS.  THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

&&

$$

SDZ038>040-050-052>069-091915-
/O.EXP.KFSD.WC.Y.0008.000000T0000Z-091209T1800Z/
BEADLE-KINGSBURY-BROOKINGS-GREGORY-JERAULD-SANBORN-MINER-LAKE-
MOODY-BRULE-AURORA-DAVISON-HANSON-MCCOOK-MINNEHAHA-CHARLES MIX-
DOUGLAS-HUTCHINSON-TURNER-LINCOLN-BON HOMME-YANKTON-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...BROOKINGS...GREGORY...BURKE...WESSINGTON SPRINGS...
ALPENA...WOONSOCKET...HOWARD...MADISON...FLANDREAU...
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
1203 PM CST WED DEC 9 2009

...WIND CHILL ADVISORY WILL EXPIRE AT NOON CST TODAY...

THE WIND CHILL ADVISORY WILL EXPIRE AT NOON CST TODAY. 

WITH A SLOW REDUCTION IN WINDS...AND TEMPERATURES CRAWLING A FEW
DEGREES WARMER DURING THE AFTERNOON...WIND CHILLS WILL RELAX TO
10 BELOW TO 20 BELOW ZERO THIS AFTERNOON.

$$

IAZ003-014-022-MNZ081-090-100215-
/O.CON.KFSD.BZ.W.0004.000000T0000Z-091209T2100Z/
/O.CON.KFSD.WC.Y.0008.000000T0000Z-091210T1800Z/
DICKINSON-CLAY-BUENA VISTA-COTTONWOOD-JACKSON-
INCLUDING THE CITIES OF...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
SPENCER...STORM LAKE...WINDOM...MOUNTAIN LAKE...JACKSON...
LAKEFIELD
1203 PM CST WED DEC 9 2009

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 3 PM CST THIS
AFTERNOON...
...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST
THURSDAY...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 3 PM CST THIS
AFTERNOON. A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST
THURSDAY. 

LIGHT SNOW AND BLOWING SNOW WILL CONTINUE INTO EARLY AFTERNOON...
WITH THE VISIBILITY FREQUENTLY REDUCED TO LESS THAN A QUARTER
MILE. CONDITIONS ARE EXPECTED TO IMPROVE BY EARLY TO MID
AFTERNOON...ALTHOUGH SOME DRIFTING OF SNOW WILL CONTINUE THROUGH
THE AFTERNOON. THE COMBINATION OF COLD TEMPERATURES AND WINDS
GUSTING AS HIGH AS 45 MPH WILL ALSO PRODUCE WIND CHILL VALUES AS
COLD AS 25 BELOW ZERO. THE WIND WILL DECREASE BY AFTERNOON AND
EVENING...BUT REMAIN STRONG ENOUGH TO PRODUCE WIND CHILL VALUES OF
20 TO 30 BELOW ZERO THROUGH TONIGHT INTO THURSDAY MORNING. THIS
WILL ONLY ADD TO THE WINTER WEATHER DANGER SHOULD YOU BECOME
STRANDED.

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.

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN.  THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS.  THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

&&

$$

CHAPMAN
000 
WWUS43 KFSD 092115
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
315 PM CST WED DEC 9 2009

.GUSTY WINDS WILL BE DIMINISHING TONIGHT AS THE WINTER STORM
SYSTEM PULLS EAST OF THE AREA. HOWEVER...THE LINGERING WIND WILL
COMBINE WITH NEAR ZERO OR SUB-ZERO TEMPERATURES TO PRODUCE BITTERLY
COLD WIND CHILLS OF 20 BELOW TO 30 BELOW ZERO TONIGHT THROUGH
THURSDAY MORNING.

IAZ003-014-022-MNZ081-090-100515-
/O.EXP.KFSD.BZ.W.0004.000000T0000Z-091209T2100Z/
/O.CON.KFSD.WC.Y.0008.000000T0000Z-091210T1800Z/
DICKINSON-CLAY-BUENA VISTA-COTTONWOOD-JACKSON-
INCLUDING THE CITIES OF...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
SPENCER...STORM LAKE...WINDOM...MOUNTAIN LAKE...JACKSON...
LAKEFIELD
315 PM CST WED DEC 9 2009

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST
THURSDAY...
...BLIZZARD WARNING HAS EXPIRED...

THE BLIZZARD WARNING IS NO LONGER IN EFFECT. A WIND CHILL
ADVISORY REMAINS IN EFFECT UNTIL NOON CST THURSDAY. 

WIND SPEEDS WILL DIMINISH THROUGH THE EVENING...REDUCING THE THREAT
OF BLOWING SNOW ACROSS THE AREA. HOWEVER...EVEN THE LIGHTER WINDS OF
10 TO 20 MPH OVERNIGHT WILL PRODUCE BITTERLY COLD WIND CHILL READINGS
OF 20 BELOW TO 30 BELOW ZERO THROUGH THURSDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN.  THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS.  THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

&&

$$

SDZ038>040-050-052>069-100515-
/O.EXA.KFSD.WC.Y.0008.000000T0000Z-091210T1800Z/
BEADLE-KINGSBURY-BROOKINGS-GREGORY-JERAULD-SANBORN-MINER-LAKE-
MOODY-BRULE-AURORA-DAVISON-HANSON-MCCOOK-MINNEHAHA-CHARLES MIX-
DOUGLAS-HUTCHINSON-TURNER-LINCOLN-BON HOMME-YANKTON-
INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...BROOKINGS...GREGORY...BURKE...WESSINGTON SPRINGS...
ALPENA...WOONSOCKET...HOWARD...MADISON...FLANDREAU...
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
315 PM CST WED DEC 9 2009

...WIND CHILL ADVISORY IN EFFECT UNTIL NOON CST THURSDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT UNTIL NOON CST THURSDAY. 

WIND SPEEDS WILL DIMINISH THROUGH THE EVENING. HOWEVER...EVEN THE
LIGHTER WINDS OF 5 TO 15 MPH OVERNIGHT WILL PRODUCE BITTERLY COLD
WIND CHILL READINGS OF 20 BELOW TO 30 BELOW ZERO THROUGH THURSDAY
MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN.  THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS.  THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

&&

$$

IAZ001-002-012-013-020-021-031-032-MNZ071-072-080-089-097-098-
NEZ013-014-SDZ070-071-100515-
/O.CON.KFSD.WC.Y.0008.000000T0000Z-091210T1800Z/
LYON-OSCEOLA-SIOUX-OBRIEN-PLYMOUTH-CHEROKEE-WOODBURY-IDA-LINCOLN-
MURRAY-NOBLES-PIPESTONE-ROCK-DIXON-DAKOTA-CLAY-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...ORANGE CITY...SIOUX CENTER...SHELDON...
HARTLEY...SANBORN...LE MARS...CHEROKEE...SIOUX CITY...IDA GROVE...
HOLSTEIN...BATTLE CREEK...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...MARSHALL...SLAYTON...FULDA...WORTHINGTON...PIPESTONE...
LUVERNE...WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY...
VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
315 PM CST WED DEC 9 2009

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST
THURSDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST THURSDAY. 

WIND SPEEDS WILL DIMINISH THROUGH THE EVENING. HOWEVER...EVEN THE
LIGHTER WINDS OF 5 TO 15 MPH OVERNIGHT WILL PRODUCE BITTERLY COLD
WIND CHILL READINGS OF 20 BELOW TO 30 BELOW ZERO THROUGH THURSDAY
MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY IS ISSUED WHEN A STRONG WIND WILL COMBINE
WITH COLD TEMPERATURES TO CREATE DANGEROUSLY COLD CONDITIONS FOR
EXPOSED SKIN.  THE WIND WILL MAKE IT FEEL LIKE IT IS 20 DEGREES
BELOW ZERO OR COLDER FOR A PERIOD OF SEVERAL HOURS.  THOSE
PLANNING TO VENTURE OUTDOORS SHOULD DRESS WARMLY...MAKING SURE
THAT ALL EXPOSED SKIN IS COVERED.

&&

$$
 JH

Nearby

Blizzard Warnings in Iowa, 2009Blizzard Warnings in Minnesota, 2009Blizzard Warnings in South Dakota, 2009Every blizzard warning in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.