Alert archive / South Dakota / Winter Storm Warnings in 2007

Winter Storm Warning 4, NWS Sioux Falls, SD

November 30, 20074 states

NWS Sioux Falls, SD issued this winter storm warning at Nov 30, 2007, 3:54 PM CST for 4 states. It took effect at Dec 1, 2007, 4:00 AM CST. It was in force for 16 hr. 60 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
Nov 30, 2007, 3:54 PM CST (21:54 UTC)
In effect from
Dec 1, 2007, 4:00 AM CST
Expired
Dec 1, 2007, 7:45 PM CST
In force
16 hr
Issued by
NWS Sioux Falls, SD
All 39 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, Beadle County, SD, Bon Homme County, SD, Brookings County, SD, Clay County, SD, Davison County, SD, Hanson County, SD, Hutchinson County, SD, Kingsbury County, SD, Lake County, SD, Lincoln County, SD, McCook County, SD, Miner County, SD, Minnehaha County, SD, Moody County, SD, Sanborn County, SD, Turner County, SD, Union County, SD, Yankton County, SD

The radar

The Sioux Falls radar (KFSD), 21 km from the middle of the area, began a volume at 21:54 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 1, 7:00 AM CSTSNOW 1Akron, IASNOWFALL THROUGH REGULAR 7AM OBSERVATION TIME...MELTED TO 0.10 INCH LIQUID EQUIVALENT. HAS CHANGED TO FREEZING RAIN AS OF 940 AM CST.
Dec 1, 7:10 AM CSTSNOW 1Yankton, SD
Dec 1, 7:45 AM CSTSNOW 0.5Sioux City, IA
Dec 1, 7:45 AM CSTSNOW 1Mitchell, SD
Dec 1, 8:10 AM CSTSNOW 1Rock Valley, IACURRENTLY SLEETING
Dec 1, 8:22 AM CSTSNOW 1Spencer, IASNOW BEGAN AT 6 AM
Dec 1, 8:25 AM CSTSNOW 1.5Sibley, IA
Dec 1, 8:30 AM CSTSNOW 1Holstein, IAHAS CHANGED OVER TO SLEET
Dec 1, 8:30 AM CSTSNOW 1.5Yankton, SD
Dec 1, 8:48 AM CSTSNOW 2Mitchell, SDLIGHT SNOW CONTINUING
Dec 1, 8:55 AM CSTSLEET 0.25Storm Lake, IAPRECIP STARTED AS LIGHT SNOW, BUT DID NOT ACCUMULATE MUCH BEFORE CHANGING TO SLEET. NO FREEZING RAIN YET.
Dec 1, 8:56 AM CSTSNOW 1.5Spirit Lake, IASNOW HAS CHANGED OVER TO SLEET.
Dec 1, 8:58 AM CSTSNOW 1.5Cherokee, IAPRECIP FALLING AS MIX OF FREEZING RAIN/SLEET/SNOW...CHANGING BETWEEN TYPES ABOUT EVERY 5 MINUTES
Dec 1, 9:05 AM CSTSLEET 0.5Le Mars, IAMOSTLY SLEET. THERE HAVE BEEN A FEW FLAKES OF SNOW. HAS NOT SEEN ANY FREEZING RAIN...BUT ROADS SLICK WITH TRAFFIC MOVING QUITE SLOW.
Dec 1, 9:08 AM CSTSLEET 0.53 S Hinton, IAMOSTLY SLEET. A LITTLE SNOW MIXED IN AT TIMES. HAS SEEN NO FREEZING RAIN...BUT ROADS SLICK.
Dec 1, 9:10 AM CSTSNOW 0.8Cherokee, IAMOSTLY SNOW...BUT HAS CHANGED OVER TO SLEET NOW. 0.10 INCH LIQUID EQUIVALENT.
Dec 1, 9:36 AM CSTSNOW 3.53 Ese Sioux Falls, SDPRECIP HAS CHANGED TO ALL SLEET.
Dec 1, 9:43 AM CSTSLEET 1.5Alton, IAACCUMULATION IS MIX OF SNOW AND MUSHY SLEET. MELTED DOWN TO 0.45 INCHES LIQUID EQUIVALENT.
Dec 1, 9:52 AM CSTSNOW 0.8Huron, SD
Dec 1, 10:42 AM CSTSLEET 2Spencer, IAACCUMULATION OF SLEET AND SNOW COMBINED. MAINLY SLEET FALLING NOW. NO LIQUID PRECIP YET.
Dec 1, 10:58 AM CSTSNOW 2.5Wall Lake, SDACCUMULATION MIX OF SNOW AND SLEET. PRECIP CHANGING TO FREEZING RAIN WITH TRACE ICE ACCUMULATIONS.
Dec 1, 10:58 AM CSTSNOW 3Wall Lake, SDACCUMULATION MIX OF SNOW AND SLEET. PRECIP CHANGING TO FREEZING RAIN WITH TRACE ICE ACCUMULATIONS.
Dec 1, 11:09 AM CSTSNOW 3Brookings, SD
Dec 1, 11:13 AM CSTSNOW 1Marshall, MN
Dec 1, 11:19 AM CSTFREEZING RAIN 0Wall Lake, SDTRACE OF ICE ACCUMULATION FROM 20 MINUTE PERIOD OF FREEZING RAIN. PRECIP BACK TO ALL SLEET NOW.
Dec 1, 11:33 AM CSTFREEZING RAIN 0.1North Sioux City, SDGLAZE OF ICE ON CARS AND SURFACES...BUT EXACT AMOUNT UNKNOWN. PRECIP HAS BEEN MOSTLY RAIN/FREEZING RAIN. TEMPERATURE AT STATION IS 32.8F.
Dec 1, 11:38 AM CSTFREEZING RAIN 0.1Parker, SDCOATING OF ICE ON TREES AND VEHICLES AND EAST SIDE OF HOUSE WINDOWS...EXACT AMOUNT UNKNOWN. 1/4 TO 1/2 INCH OF SNOW/SLEET ACCUMULATION EARLY IN THE MORNING. HARDLY ANY PRECIPITATION FALLING NOW...JUST VERY LIGHT SLEET/FREEZING RAIN.
Dec 1, 11:39 AM CSTSLEET 2.3Canton, SDMOSTLY SLEET...BUT SOME SNOW FELL EARLIER IN THE MORNING BEFORE 9 AM. BRIEF PERIOD OF FREEZING RAIN IN THE LAST HOUR.
Dec 1, 11:51 AM CSTSNOW 31 S Winfred, SDDRIFTING...SOME BARE GROUND AND SOME 12 INCH DRIFTS.
Dec 1, 11:53 AM CSTSNOW 2.5Huron, SDBREEZY. SNOW COMING DOWN ABOUT 0.5 INCH/HOUR.
Dec 1, 12:00 PM CSTFREEZING RAIN 0Spencer, IATRACE ACCUMULATIONS OF FREEZING RAIN/DRIZZLE...STILL MIXED WITH SLEET.
Dec 1, 12:05 PM CSTSNOW 4.8Madison, SD
Dec 1, 12:30 PM CSTSNOW 3Tracy, MN3 INCHES OF ACCUMULATION. AN INCH AN HOUR RATE.
Dec 1, 1:00 PM CSTSNOW 3Tyler, MN
Dec 1, 1:00 PM CSTSNOW 3.5Slayton, MN
Dec 1, 1:00 PM CSTSNOW 45 N Slayton, MN
Dec 1, 1:00 PM CSTSNOW 4Adrian, MN
Dec 1, 1:00 PM CSTSNOW 4Worthington, MN
Dec 1, 1:30 PM CSTFREEZING RAIN 0.25Sioux City, IAQUARTER OF AN INCH OF GLAZE.
Dec 1, 2:15 PM CSTSNOW 1Tyndall, SD0.15 INCHES ICE. ONE REPORT OF POWER FAILURE.
Dec 1, 2:15 PM CSTSNOW 2Parkston, SD0.20 INCHES OF ICE
Dec 1, 2:15 PM CSTSNOW 2Vermillion, SD0.05 INCHES OF ICE
Dec 1, 2:15 PM CSTSNOW 2Yankton, SD0.05 INCHES OF ICE
Dec 1, 2:15 PM CSTSNOW 3Parker, SD0.20 INCHES OF ICE
Dec 1, 3:30 PM CSTSNOW 2Sioux Rapids, IA0.10 INCHES OF ICE
Dec 1, 4:00 PM CSTSNOW 2.4Mitchell, SD
Dec 1, 4:00 PM CSTSNOW 5Huron, SD
Dec 1, 5:00 PM CSTSNOW 3Canton, SD
Dec 1, 5:00 PM CSTSNOW 3Howard, SD
Dec 1, 5:00 PM CSTSNOW 3.8Sioux Falls, SD
Dec 1, 5:00 PM CSTSNOW 4Alexandria, SD
Dec 1, 5:00 PM CSTSNOW 4De Smet, SD
Dec 1, 5:00 PM CSTSNOW 4Salem, SD
Dec 1, 5:00 PM CSTSNOW 4Woonsocket, SD
Dec 1, 5:00 PM CSTSNOW 5.52 S Winfred, SD
Dec 1, 5:00 PM CSTSNOW 6Brookings, SD
Dec 1, 5:00 PM CSTSNOW 6Flandreau, SD
Dec 1, 5:00 PM CSTSNOW 6Pipestone, MN
Dec 1, 6:00 PM CSTSNOW 1.5Menno, SDLIQUID CONTENT 0.85
Dec 1, 6:00 PM CSTSNOW 4Forestburg, SDLIQUID CONTENT 0.53

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

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 9.9 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, Aberdeen, SD at 12:00Z on 2007-11-30Temperature 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, Aberdeen, SD at 12:00Z on 2007-11-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -47 square meters per square second.1939587897117136156Sfc1 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
1016 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
-47 m²/s²
0-3 km storm-relative helicity
-18 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 302154
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
354 PM CST FRI NOV 30 2007

.STRONG UPPER LEVEL LOW PRESSURE WILL MOVE INTO THE SOUTHWESTERN 
UNITED STATES...WHICH WILL ALLOW AN ABUNDANCE OF MOISTURE TO STREAM 
NORTH INTO THE NORTHERN AND CENTRAL PLAINS TONIGHT. THE UPPER
LEVEL LOW WILL APPROACH ON SATURDAY AND WITH COLD AIR NEAR THE
SURFACE AND WARM AIR EXPECTED TO MOVE IN ALOFT...SNOW...FREEZING
RAIN AND SLEET WILL ALL BE POSSIBLE. PRECIPITATION RATES ARE
EXPECTED TO BE HIGH AT TIMES...SO VERY HAZARDOUS TRAVELING
CONDITIONS ARE ANTICIPATED. THE BEST CHANCE FOR A SIGNIFICANT ICY
MIX WILL BE FROM AROUND LAKE ANDES THROUGH SIOUX FALLS...BERESFORD
AND CANTON TO AROUND JACKSON MINNESOTA AND SPENCER IOWA. AREAS
AROUND SIOUX CITY TO STORM LAKE COULD BRIEFLY CHANGE OVER TO RAIN
AROUND THE MIDDLE OF SATURDAY AFTERNOON.

IAZ020>022-031-032-NEZ013-014-SDZ068>071-010600-
/O.UPG.KFSD.WS.A.0006.071201T1200Z-071202T0600Z/
/O.NEW.KFSD.WS.W.0004.071201T1200Z-071202T0000Z/
PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-DIXON-DAKOTA-BON HOMME-
YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF...LE MARS...CHEROKEE...STORM LAKE...
SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...TYNDALL...SCOTLAND...
SPRINGFIELD...AVON...TABOR...YANKTON...VERMILLION...
NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON
354 PM CST FRI NOV 30 2007

...WINTER STORM WARNING IN EFFECT FROM 6 AM TO 6 PM CST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
STORM WARNING...WHICH IS IN EFFECT FROM 6 AM TO 6 PM CST
SATURDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

SNOW WILL DEVELOP LATE TONIGHT AND EARLY SATURDAY MORNING...BECOMING
MODERATE TO OCCASIONALLY HEAVY AT TIMES IN THE MORNING. SNOW WILL
MIX WITH SLEET TOWARDS NOON...AND THEN CHANGE TO FREEZING RAIN
DURING THE AFTERNOON. FROM SIOUX CITY TO STORM LAKE...PRECIPITATION
COULD CHANGE TO RAIN LATER IN THE AFTERNOON AS TEMPERATURES CLIMB
INTO THE MID 30S. COLD AIR WILL BEGIN TO FILTER BACK IN SATURDAY
NIGHT...WITH SNOW AGAIN BECOMING THE MORE LIKELY PRECIPITATION
TYPE...ALTHOUGH AMOUNTS ARE EXPECTED TO BE MUCH LIGHTER. SNOW AND
SLEET TOTALS SHOULD BE FROM ABOUT 2 TO 4 INCHES WHILE FREEZING
RAIN COULD ACCUMULATE TO AROUND A THIRD OF AN INCH. EAST TO
SOUTHEAST WINDS OF 20 TO 30 MPH ARE ALSO EXPECTED.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

IAZ001>003-012>014-MNZ089-090-098-SDZ060>062-065>067-010600-
/O.UPG.KFSD.WS.A.0006.071201T1200Z-071202T1200Z/
/O.NEW.KFSD.WS.W.0004.071201T1200Z-071202T0300Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-NOBLES-JACKSON-ROCK-
HANSON-MCCOOK-MINNEHAHA-HUTCHINSON-TURNER-LINCOLN-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...WORTHINGTON...JACKSON...LAKEFIELD...LUVERNE...
ALEXANDRIA...EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...
SIOUX FALLS...PARKSTON...FREEMAN...MENNO...TRIPP...PARKER...
CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...
LENNOX...TEA...HARRISBURG
354 PM CST FRI NOV 30 2007

...WINTER STORM WARNING IN EFFECT FROM 6 AM TO 9 PM CST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
STORM WARNING...WHICH IS IN EFFECT FROM 6 AM TO 9 PM CST
SATURDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

SNOW WILL DEVELOP EARLY SATURDAY MORNING...BECOMING MODERATE TO
OCCASIONALLY HEAVY AT TIMES. SNOW WILL MIX WITH SLEET AND FREEZING
RAIN DURING THE AFTERNOON. PRECIPITATION WILL CHANGE BACK TO SNOW
DURING THE EARLY EVENING. SNOW AND SLEET TOTALS SHOULD BE FROM
ABOUT 3 TO 6 INCHES WHILE FREEZING RAIN COULD ACCUMULATE FROM A TENTH
TO A QUARTER OF AN INCH. EAST TO SOUTHEAST WINDS OF 20 TO 30 MPH
ARE ALSO EXPECTED.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

MNZ071-072-080-081-097-SDZ039-040-054>056-010600-
/O.UPG.KFSD.WS.A.0006.071201T1200Z-071202T1200Z/
/O.NEW.KFSD.WS.W.0004.071201T1500Z-071202T0600Z/
LINCOLN-LYON-MURRAY-COTTONWOOD-PIPESTONE-KINGSBURY-BROOKINGS-
MINER-LAKE-MOODY-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
PIPESTONE...DE SMET...ARLINGTON...LAKE PRESTON...BROOKINGS...
HOWARD...MADISON...FLANDREAU
354 PM CST FRI NOV 30 2007

...WINTER STORM WARNING IN EFFECT FROM 9 AM SATURDAY TO MIDNIGHT
CST SATURDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
STORM WARNING...WHICH IS IN EFFECT FROM 9 AM SATURDAY TO MIDNIGHT
CST SATURDAY NIGHT. THE WINTER STORM WATCH IS NO LONGER IN
EFFECT. 

SNOW WILL DEVELOP ON SATURDAY MORNING...BECOMING MODERATE TO
OCCASIONALLY HEAVY AT TIMES. BY ABOUT MID AFTERNOON...A MIX OF
SLEET AND SNOW IS LIKELY. THERE MAY ALSO BE A BRIEF PERIOD OF
FREEZING RAIN SOUTH OF HIGHWAY 34 IN SOUTH DAKOTA AND HIGHWAY 30
IN MINNESOTA. THE HEAVIEST SNOW SHOULD END BY LATE SATURDAY
EVENING. SNOW AND SLEET TOTALS SHOULD BE FROM ABOUT 6 TO 10 INCHES
WITH ICE ACCUMULATION OF A TENTH OF AN INCH OR LESS. EAST TO
SOUTHEAST WINDS OF 20 TO 30 MPH ARE ALSO EXPECTED.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

SDZ050-052-057-058-063-064-010600-
/O.UPG.KFSD.WS.A.0006.071201T1200Z-071202T0600Z/
/O.NEW.KFSD.SN.Y.0007.071201T1200Z-071202T0000Z/
GREGORY-JERAULD-BRULE-AURORA-CHARLES MIX-DOUGLAS-
INCLUDING THE CITIES OF...GREGORY...BURKE...WESSINGTON SPRINGS...
ALPENA...CHAMBERLAIN...KIMBALL...PLANKINTON...WHITE LAKE...
STICKNEY...WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR...
CORSICA...DELMONT
354 PM CST FRI NOV 30 2007

...SNOW ADVISORY IN EFFECT FROM 6 AM TO 6 PM CST SATURDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 6 AM TO 6 PM CST SATURDAY. THE
WINTER STORM WATCH IS NO LONGER IN EFFECT. 

SNOW WILL DEVELOP EARLY ON SATURDAY MORNING...THEN CHANGE TO A MIX
OF FREEZING RAIN AND SLEET BY LATE MORNING...ESPECIALLY SOUTH OF A
GREGORY TO LAKE ANDES LINE. THE HEAVIEST PRECIPITATION SHOULD MOVE
EAST BY LATE AFTERNOON...LEAVING BEHIND 3 TO 5 INCHES OF SNOW AND
SLEET AND A TENTH OF AN INCH OF ICE.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

SDZ038-053-059-010600-
/O.UPG.KFSD.WS.A.0006.071201T1200Z-071202T1200Z/
/O.NEW.KFSD.SN.Y.0007.071201T1500Z-071202T0300Z/
BEADLE-SANBORN-DAVISON-
INCLUDING THE CITIES OF...HURON...WOONSOCKET...MITCHELL
354 PM CST FRI NOV 30 2007

...SNOW ADVISORY IN EFFECT FROM 9 AM TO 9 PM CST SATURDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 9 AM TO 9 PM CST SATURDAY. THE
WINTER STORM WATCH IS NO LONGER IN EFFECT. 

SNOW WILL DEVELOP ON SATURDAY MORNING...THEN CONTINUE THROUGH
EARLY SATURDAY EVENING. THREE TO SIX INCHES OF ACCUMULATION IS
EXPECTED BY EVENING. AN EAST TO SOUTHEAST WIND OF 20 TO 30 MPH IS ALSO
EXPECTED.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

08
4 follow-up statements
000 
WWUS43 KFSD 011000
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
400 AM CST SAT DEC 1 2007

...MAJOR WINTER STORM FOR THE NORTHERN AND CENTRAL PLAINS TODAY...

.A LOW PRESSURE SYSTEM WILL EXIT COLORADO THIS MORNING AND MOVE ACROSS
NEBRASKA DURING THE AFTERNOON. AHEAD OF THE LOW...PRECIPITATION
WILL RAPIDLY DEVELOP THIS MORNING...PRODUCING A WIDESPREAD AREA
OF WINTRY PRECIPITATION...INCLUDING HEAVY SNOW AND FREEZING RAIN.
THIS WILL MAKE TRAVEL EXTREMELY DIFFICULT IF NOT IMPOSSIBLE OVER
MUCH OF THE REGION. PRECIPITATION WILL TAPER OFF THIS EVENING AS LOW
PRESSURE QUICKLY MOVES EAST ACROSS IOWA. PRECIPITATION WILL END
BY SUNDAY MORNING AS LOW PRESSURE MOVES INTO THE GREAT LAKES REGION...
HOWEVER...NORTHWEST WINDS OF 15 TO 30 MPH WILL PRODUCE AREAS OF
BLOWING AND DRIFTING SNOW.

SDZ038-053-059-011800-
/O.UPG.KFSD.SN.Y.0007.071201T1500Z-071202T0300Z/
/O.EXA.KFSD.WS.W.0004.071201T1200Z-071202T0300Z/
BEADLE-SANBORN-DAVISON-
INCLUDING THE CITIES OF...HURON...WOONSOCKET...MITCHELL
400 AM CST SAT DEC 1 2007

...WINTER STORM WARNING IN EFFECT UNTIL 9 PM CST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER
STORM WARNING...WHICH IS IN EFFECT UNTIL 9 PM CST THIS EVENING.
THE SNOW ADVISORY IS NO LONGER IN EFFECT. 

SNOW WILL RAPIDLY DEVELOP EARLY THIS MORNING AND CONTINUE INTO THE
AFTERNOON BEFORE BEGINNING TO TAPER OFF EARLY THIS EVENING. SNOW
MAY BECOME HEAVY AT TIMES...REDUCING VISIBILITIES AND MAKING TRAVEL
VERY DIFFICULT. 4 TO 8 INCHES OF SNOW INCHES CAN BE EXPECTED BY
LATE THIS AFTERNOON. LITTLE IF ANY ADDITIONAL SNOW ACCUMULATION IS
EXPECTED DURING THE EVENING HOURS. ALTHOUGH THE WINTER STORM
WARNING WILL EXPIRE AT 9 PM THIS EVENING...NORTHWEST WINDS WILL
INCREASE TO 15 TO 25 MPH SUNDAY...PRODUCING BLOWING AND 

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

MNZ071-072-080-081-097-SDZ039-040-054>056-011800-
/O.EXT.KFSD.WS.W.0004.071201T1200Z-071202T0600Z/
LINCOLN-LYON-MURRAY-COTTONWOOD-PIPESTONE-KINGSBURY-BROOKINGS-
MINER-LAKE-MOODY-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
PIPESTONE...DE SMET...ARLINGTON...LAKE PRESTON...BROOKINGS...
HOWARD...MADISON...FLANDREAU
400 AM CST SAT DEC 1 2007

...WINTER STORM WARNING NOW IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL MIDNIGHT CST
TONIGHT. 

SNOW WILL RAPIDLY DEVELOP THIS MORNING...BECOMING MODERATE TO
OCCASIONALLY HEAVY AT TIMES. BY MID AFTERNOON...A MIX OF SLEET
AND SNOW IS LIKELY. THERE MAY ALSO BE A BRIEF PERIOD OF FREEZING
RAIN SOUTH OF HIGHWAY 34 IN SOUTH DAKOTA AND HIGHWAY 30 IN
MINNESOTA. THE HEAVIEST SNOW SHOULD END BY LATE SATURDAY EVENING.
TOTAL SNOW AND SLEET ACCUMULATION OF 6 TO 10 INCHES IS EXPECTED...WITH
ANY ICE ACCUMULATION LESS THAN ONE TENTH OF AN INCH. EAST TO
SOUTHEAST WINDS OF 20 TO 30 MPH ARE ALSO EXPECTED THROUGH THE
AFTERNOON...PRODUCING AREAS BLOWING AND DRIFTING SNOW.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

IAZ020>022-031-032-NEZ013-014-SDZ068>071-011800-
/O.CON.KFSD.WS.W.0004.071201T1200Z-071202T0000Z/
PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-DIXON-DAKOTA-BON HOMME-
YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF...LE MARS...CHEROKEE...STORM LAKE...
SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...TYNDALL...SCOTLAND...
SPRINGFIELD...AVON...TABOR...YANKTON...VERMILLION...
NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON
400 AM CST SAT DEC 1 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON. 

SNOW WILL RAPIDLY DEVELOP THIS MORNING...BECOMING MODERATE TO
OCCASIONALLY HEAVY AT TIMES IN THE MORNING. SNOW WILL BEGIN TO MIX
WITH SLEET AND THEN EVENTUALLY CHANGE TO FREEZING RAIN THROUGH THE
MORNING HOURS. FROM SIOUX CITY TO STORM LAKE...PRECIPITATION WILL
LIKELY CHANCE TO RAIN BY MID AFTERNOON WITH TEMPERATURES CLIMBING 
INTO THE MID 30S. COLD AIR WILL BEGIN TO FILTER BACK IN SATURDAY
NIGHT...WITH SNOW AGAIN BECOMING THE MORE LIKELY PRECIPITATION
TYPE...ALTHOUGH AMOUNTS ARE EXPECTED TO BE MUCH LIGHTER. SNOW AND
SLEET TOTALS ARE EXPECTED TO RANGE FROM 2 TO 4 INCHES WITH
FREEZING RAIN ACCUMULATIONS OF BETWEEN A QUARTER AND A HALF INCH.
EAST TO SOUTHEAST WINDS OF 15 TO 25 MPH ARE ALSO EXPECTED THROUGH
THE AFTERNOON.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

IAZ001>003-012>014-MNZ089-090-098-SDZ060>062-065>067-011800-
/O.CON.KFSD.WS.W.0004.071201T1200Z-071202T0300Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-NOBLES-JACKSON-ROCK-
HANSON-MCCOOK-MINNEHAHA-HUTCHINSON-TURNER-LINCOLN-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...WORTHINGTON...JACKSON...LAKEFIELD...LUVERNE...
ALEXANDRIA...EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...
SIOUX FALLS...PARKSTON...FREEMAN...MENNO...TRIPP...PARKER...
CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...
LENNOX...TEA...HARRISBURG
400 AM CST SAT DEC 1 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING. 

SNOW WILL RAPIDLY DEVELOP EARLY THIS MORNING...BECOMING MODERATE
TO OCCASIONALLY HEAVY AT TIMES. SNOW WILL MIX WITH SLEET AND
FREEZING RAIN DURING THE AFTERNOON. PRECIPITATION WILL CHANGE BACK
TO SNOW DURING THE EARLY EVENING. SNOW AND SLEET TOTALS SHOULD BE
FROM ABOUT 3 TO 6 INCHES WHILE FREEZING RAIN COULD ACCUMULATE FROM
A TENTH TO A QUARTER OF AN INCH. EAST TO SOUTHEAST WINDS OF 15 TO
25 MPH ARE ALSO EXPECTED THROUGH THE AFTERNOON.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

SDZ050-052-057-058-063-064-011800-
/O.CON.KFSD.SN.Y.0007.071201T1200Z-071202T0000Z/
GREGORY-JERAULD-BRULE-AURORA-CHARLES MIX-DOUGLAS-
INCLUDING THE CITIES OF...GREGORY...BURKE...WESSINGTON SPRINGS...
ALPENA...CHAMBERLAIN...KIMBALL...PLANKINTON...WHITE LAKE...
STICKNEY...WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR...
CORSICA...DELMONT
400 AM CST SAT DEC 1 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON. 

SNOW WILL RAPIDLY DEVELOP EARLY THIS MORNING...AND MAY MIX WITH 
FREEZING RAIN AND SLEET BY MID MORNING...ESPECIALLY SOUTH OF A
GREGORY TO LAKE ANDES LINE. THE HEAVIEST PRECIPITATION SHOULD MOVE
EAST BY LATE AFTERNOON...LEAVING BEHIND 3 TO 6 INCHES OF SNOW AND
SLEET...AND LESS THAN TENTH OF AN INCH OF ICE.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$
LIEBL
000 
WWUS43 KFSD 011646
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1046 AM CST SAT DEC 1 2007

...MAJOR WINTER STORM FOR THE NORTHERN AND CENTRAL PLAINS TODAY...

.A LOW PRESSURE SYSTEM WILL EXIT COLORADO THIS MORNING AND MOVE
ACROSS NEBRASKA DURING THE AFTERNOON...PRODUCING A WIDESPREAD AREA
OF WINTRY PRECIPITATION...INCLUDING HEAVY SNOW...SLEET AND FREEZING
RAIN. THIS WILL MAKE TRAVEL EXTREMELY DIFFICULT IF NOT IMPOSSIBLE
OVER MUCH OF THE REGION. PRECIPITATION WILL TAPER OFF THIS EVENING 
AS LOW PRESSURE QUICKLY MOVES EAST ACROSS IOWA. PRECIPITATION WILL
END BY SUNDAY MORNING AS LOW PRESSURE MOVES INTO THE GREAT LAKES
REGION. HOWEVER...NORTHWEST WINDS OF 15 TO 30 MPH WILL PRODUCE AREAS
OF BLOWING AND DRIFTING SNOW...ESPECIALLY WHERE PRECIPITATION HAS
FALLEN AS ALL SNOW AND WAS NOT MIXED WITH SLEET OR FREEZING RAIN.

SDZ038-053-059-020000-
/O.CAN.KFSD.WS.W.0004.000000T0000Z-071202T0300Z/
/O.EXA.KFSD.SN.Y.0007.000000T0000Z-071202T0000Z/
BEADLE-SANBORN-DAVISON-
INCLUDING THE CITIES OF...HURON...WOONSOCKET...MITCHELL
1046 AM CST SAT DEC 1 2007

...SNOW ADVISORY IN EFFECT UNTIL 6 PM CST THIS AFTERNOON...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON. THE
WINTER STORM WARNING HAS BEEN CANCELLED. 

SNOW WILL CONTINUE THROUGH THE AFTERNOON...POSSIBLY MIXED WITH SLEET
AT TIMES NEAR INTERSTATE 90. THE HEAVIEST PRECIPITATION SHOULD TAPER
OFF THROUGH THE EARLY EVENING...LEAVING BEHIND 2 TO 5 INCHES OF SNOW
AND MINOR ACCUMULATIONS OF SLEET.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED
VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

IAZ020>022-SDZ071-020100-
/O.EXT.KFSD.WS.W.0004.000000T0000Z-071202T0300Z/
PLYMOUTH-CHEROKEE-BUENA VISTA-UNION-
INCLUDING THE CITIES OF...LE MARS...CHEROKEE...STORM LAKE...
NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON
1046 AM CST SAT DEC 1 2007

...WINTER STORM WARNING NOW IN EFFECT UNTIL 9 PM CST THIS
EVENING...

THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 9 PM CST THIS
EVENING. 

SLEET AND FREEZING RAIN ARE EXPECTED TO BE THE DOMINANT PRECIPITATION
TYPES THROUGH THE AFTERNOON...THOUGH AREAS NEAR STORM LAKE MAY BECOME
WARM ENOUGH FOR JUST RAIN BY MID AFTERNOON AS TEMPERATURES CLIMB INTO
THE MID 30S. COLD AIR WILL BEGIN TO FILTER BACK IN TONIGHT...WITH
LIGHT SNOW OR FREEZING DRIZZLE BECOMING THE MORE LIKELY PRECIPITATION
TYPE BY LATE EVENING. SNOW AND SLEET TOTALS ARE EXPECTED TO RANGE
FROM 1 TO 3 INCHES WITH FREEZING RAIN ACCUMULATIONS OF BETWEEN A
QUARTER AND A HALF INCH.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

IAZ031-032-NEZ013-014-SDZ068>070-020000-
/O.CON.KFSD.WS.W.0004.000000T0000Z-071202T0000Z/
WOODBURY-IDA-DIXON-DAKOTA-BON HOMME-YANKTON-CLAY-
INCLUDING THE CITIES OF...SIOUX CITY...IDA GROVE...HOLSTEIN...
BATTLE CREEK...WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY...
TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON...
VERMILLION
1046 AM CST SAT DEC 1 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON. 

SLEET OR FREEZING RAIN ARE EXPECTED TO BE THE DOMINANT PRECIPITATION
TYPES THROUGH THE AFTERNOON...THOUGH AREAS NEAR SIOUX CITY MAY BECOME
WARM ENOUGH FOR JUST RAIN AS TEMPERATURES CLIMB INTO THE MID 30S. COLD
AIR WILL BEGIN TO FILTER BACK IN TONIGHT...WITH LIGHT SNOW OR
FREEZING DRIZZLE BECOMING THE MORE LIKELY PRECIPITATION TYPE BY LATE 
EVENING. AMOUNTS ARE EXPECTED TO BE MUCH LIGHTER. FREEZING RAIN
ACCUMULATIONS BETWEEN A QUARTER AND A HALF INCH ARE EXPECTED...WITH
UP TO 2 INCHES OF SNOW AND SLEET ALSO POSSIBLE.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

IAZ001>003-012>014-MNZ089-090-098-SDZ060>062-065>067-020100-
/O.CON.KFSD.WS.W.0004.000000T0000Z-071202T0300Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-NOBLES-JACKSON-ROCK-
HANSON-MCCOOK-MINNEHAHA-HUTCHINSON-TURNER-LINCOLN-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK...
ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN...
SPENCER...WORTHINGTON...JACKSON...LAKEFIELD...LUVERNE...
ALEXANDRIA...EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...
SIOUX FALLS...PARKSTON...FREEMAN...MENNO...TRIPP...PARKER...
CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...
LENNOX...TEA...HARRISBURG
1046 AM CST SAT DEC 1 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING. 

SNOW AND SLEET WILL BE THE DOMINANT PRECIPITATION TYPES THROUGH THE
INTERSTATE 90 CORRIDOR THROUGH THE AFTERNOON...WITH EMBEDDED FREEZING
RAIN BECOMING MORE LIKELY FARTHER SOUTH TOWARD CANTON SOUTH DAKOTA
AND SPENCER IOWA AS THE AFTERNOON PROGRESSES. ANY MIXED PRECIPITATION
WILL CHANGE BACK TO SNOW DURING THE EARLY EVENING...AS COLDER AIR
MOVES BACK INTO THE AREA. SNOW AND SLEET TOTALS SHOULD BE FROM ABOUT
3 TO 7 INCHES...WITH HIGHEST AMOUNTS NEAR AND NORTH OF INTERSTATE 90.
ICE ACCUMULATIONS NEAR INTERSTATE 90 SHOULD REMAIN LESS THAN A TENTH
OF AN INCH...WITH A QUARTER TO A HALF INCH OF ICE POSSIBLE SOUTH OF
HIGHWAY 18.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

MNZ071-072-080-081-097-SDZ039-040-054>056-020100-
/O.CON.KFSD.WS.W.0004.000000T0000Z-071202T0600Z/
LINCOLN-LYON-MURRAY-COTTONWOOD-PIPESTONE-KINGSBURY-BROOKINGS-
MINER-LAKE-MOODY-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
PIPESTONE...DE SMET...ARLINGTON...LAKE PRESTON...BROOKINGS...
HOWARD...MADISON...FLANDREAU
1046 AM CST SAT DEC 1 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT. 

MODERATE TO HEAVY SNOW WILL CONTINUE THROUGH THE AFTERNOON. THE SNOW
WILL MIX WITH SLEET AT TIMES THIS AFTERNOON SOUTH OF HIGHWAY 34 IN
SOUTH DAKOTA...AND HIGHWAY 30 IN MINNESOTA...WITH A BRIEF PERIOD OF
FREEZING RAIN ALSO POSSIBLE IN THESE AREAS. THE HEAVIEST SNOW SHOULD
END BY LATE THIS EVENING. TOTAL SNOW AND SLEET ACCUMULATION OF 6
TO 11 INCHES IS EXPECTED...WITH THE HIGHEST AMOUNTS THROUGH THE
HIGHWAY 14 CORRIDOR. ANY ICE ACCUMULATION WILL BE LESS THAN ONE
TENTH OF AN INCH. EAST TO SOUTHEAST WINDS OF 20 TO 30 MPH ARE ALSO
EXPECTED THROUGH THE AFTERNOON...PRODUCING AREAS BLOWING AND DRIFTING
SNOW.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

SDZ050-052-057-058-063-064-020000-
/O.CON.KFSD.SN.Y.0007.000000T0000Z-071202T0000Z/
GREGORY-JERAULD-BRULE-AURORA-CHARLES MIX-DOUGLAS-
INCLUDING THE CITIES OF...GREGORY...BURKE...WESSINGTON SPRINGS...
ALPENA...CHAMBERLAIN...KIMBALL...PLANKINTON...WHITE LAKE...
STICKNEY...WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR...
CORSICA...DELMONT
1046 AM CST SAT DEC 1 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON. 

SNOW WILL CONTINUE THROUGH THE AFTERNOON WEST OF THE JAMES RIVER...
RAPIDLY DEVELOP EARLY THIS MORNING...AND MAY MIX WITH FREEZING RAIN
AND SLEET BY MID MORNING...ESPECIALLY SOUTH OF A GREGORY TO PLATTE
LINE. THE HEAVIEST PRECIPITATION SHOULD MOVE EAST BY LATE AFTERNOON...
LEAVING BEHIND 2 TO 5 INCHES OF SNOW AND SLEET...AND LESS THAN TENTH
OF AN INCH OF ICE.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$
 JH
000 
WWUS43 KFSD 012116
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
316 PM CST SAT DEC 1 2007

.LOW PRESSURE WILL EXIT THE AREA LATE THIS AFTERNOON AND EARLY
THIS EVENING. MOST OF THE HEAVIEST PRECIPITATION IS ALREADY EAST
OF THE AREA...WITH A FINAL HEAVY BAND OF SNOW EXPECTED TO SKIRT
THROUGH EAST CENTRAL SOUTH DAKOTA AND SOUTHWEST MINNESOTA BY ABOUT
700 PM CST.

IAZ031-032-NEZ013-014-SDZ068>070-012230-
/O.CAN.KFSD.WS.W.0004.000000T0000Z-071202T0000Z/
WOODBURY-IDA-DIXON-DAKOTA-BON HOMME-YANKTON-CLAY-
INCLUDING THE CITIES OF...SIOUX CITY...IDA GROVE...HOLSTEIN...
BATTLE CREEK...WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY...
TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON...
VERMILLION
316 PM CST SAT DEC 1 2007

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE
WINTER STORM WARNING. 

PATCHY LIGHT RAIN...FREEZING RAIN AND FREEZING DRIZZLE WILL BE
POSSIBLE THROUGH MID EVENING...BUT ADDITIONAL ACCUMULATIONS ARE
EXPECTED TO REMAIN LIGHT.

$$

IAZ001>003-012>014-020>022-MNZ089-090-098-SDZ060>062-065>067-071-
012230-
/O.CAN.KFSD.WS.W.0004.000000T0000Z-071202T0300Z/
LYON-OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-
BUENA VISTA-NOBLES-JACKSON-ROCK-HANSON-MCCOOK-MINNEHAHA-
HUTCHINSON-TURNER-LINCOLN-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...WORTHINGTON...
JACKSON...LAKEFIELD...LUVERNE...ALEXANDRIA...EMERY...SALEM...
CANISTOTA...BRIDGEWATER...MONTROSE...SIOUX FALLS...PARKSTON...
FREEMAN...MENNO...TRIPP...PARKER...CENTERVILLE...MARION...
VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...
HARRISBURG...NORTH SIOUX CITY...BERESFORD...ELK POINT...
ALCESTER...JEFFERSON
316 PM CST SAT DEC 1 2007

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE
WINTER STORM WARNING. 

A BAND OF SNOW WILL MOVE THROUGH THE AREA LATE THIS AFTERNOON WITH
SNOWFALL INTENSITY DECREASING QUICKLY THIS EVENING. ADDITIONAL SNOWFALL
AMOUNTS THROUGH 900 PM CST ARE EXPECTED TO BE AN INCH OR LESS.

$$

SDZ038-050-052-053-057>059-063-064-012230-
/O.CAN.KFSD.SN.Y.0007.000000T0000Z-071202T0000Z/
BEADLE-GREGORY-JERAULD-SANBORN-BRULE-AURORA-DAVISON-CHARLES MIX-
DOUGLAS-
INCLUDING THE CITIES OF...HURON...GREGORY...BURKE...
WESSINGTON SPRINGS...ALPENA...WOONSOCKET...CHAMBERLAIN...
KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL...
WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT
316 PM CST SAT DEC 1 2007

...SNOW ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE
SNOW ADVISORY. 

A BAND OF SNOW WILL MOVE OUT OF THE JAMES VALLEY LATE THIS
AFTERNOON...WITH ADDITIONAL SNOWFALL AMOUNTS THROUGH THE EVENING
EXPECTED TO BE AN INCH OR LESS.

$$

MNZ071-072-080-081-097-SDZ039-040-054>056-020530-
/O.CON.KFSD.WS.W.0004.000000T0000Z-071202T0600Z/
LINCOLN-LYON-MURRAY-COTTONWOOD-PIPESTONE-KINGSBURY-BROOKINGS-
MINER-LAKE-MOODY-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
PIPESTONE...DE SMET...ARLINGTON...LAKE PRESTON...BROOKINGS...
HOWARD...MADISON...FLANDREAU
316 PM CST SAT DEC 1 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT. 

A BAND OF HEAVY SNOW WILL MOVE THROUGH THE AREA LATE THIS
AFTERNOON...WITH SOME LOCATIONS POSSIBLY RECEIVING AN ADDITIONAL 1
TO 3 INCHES OF SNOWFALL. THIS SHOULD BRING STORM TOTAL SNOWFALL INTO
THE 5 TO 8 INCH RANGE.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

08
000 
WWUS43 KFSD 020145
WSWFSD

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
745 PM CST SAT DEC 1 2007

MNZ071-072-080-081-097-SDZ039-040-054>056-020245-
/O.CAN.KFSD.WS.W.0004.000000T0000Z-071202T0600Z/
LINCOLN-LYON-MURRAY-COTTONWOOD-PIPESTONE-KINGSBURY-BROOKINGS-
MINER-LAKE-MOODY-
INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
PIPESTONE...DE SMET...ARLINGTON...LAKE PRESTON...BROOKINGS...
HOWARD...MADISON...FLANDREAU
745 PM CST SAT DEC 1 2007

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE
WINTER STORM WARNING. 

WHILE PATCHY FLURRIES AND FREEZING DRIZZLE WILL BE POSSIBLE
THROUGH MIDNIGHT...ADDITIONAL ACCUMULATIONS WILL BE LIGHT. 

PLEASE CONTINUE TO BE CAUTIOUS WHILE TRAVELING AS ROADS ARE ICY
AND SNOWPACKED FROM THE PREVIOUS PRECIPITATION.

$$

08

The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 30, 3:54 PM CSTSnow AdvisoryFSDAurora, Beadle, Brule, Charles Mix, Davison, Douglas and 3 more23 hr

Nearby

Winter Storm Warnings in South Dakota, 2007Winter Storm Warnings in Iowa, 2007Winter Storm Warnings in Minnesota, 2007Every winter storm warning in 2007

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.