Alert archive / South Dakota / Wind Chill Warnings in 2008
Wind Chill Warning 5, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this wind chill warning at Dec 20, 2008, 3:59 PM CST for 4 states. It was in force for 29 hr. 2 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 20, 2008, 3:59 PM CST (21:59 UTC)
- Expired
- Dec 21, 2008, 9:00 PM CST
- In force
- 29 hr
- Issued by
- NWS Sioux Falls, SD
All 36 counties
Buena Vista County, IA, Cherokee County, IA, Clay County, IA, Ida County, IA, Lyon County, IA, O'Brien County, IA, Plymouth County, IA, Sioux County, IA, Woodbury County, IA, Rock County, MN, Dakota County, NE, Dixon County, NE, Aurora County, SD, Beadle County, SD, Bon Homme County, SD, Brookings County, SD, Brule County, SD, Charles Mix County, SD, Clay County, SD, Davison County, SD, Douglas County, SD, Gregory County, SD, Hanson County, SD, Hutchinson County, SD, Jerauld 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), 41 km from the middle of the area, began a volume at 22:00 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Dec 20, 4:14 PM CST | SNOW 4 | Hardwick, MN | |
| Dec 20, 4:30 PM CST | SNOW 2.3 | Sioux Falls, SD | EVENT TOTAL |
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, 10.0 hours before the alert went out and 199 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 701 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 90 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS43 KFSD 202159 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 359 PM CST SAT DEC 20 2008 .STRONG WINDS AND BITTER COLD TEMPERATURES WILL PERSIST ACROSS THE AREA INTO SUNDAY. BLOWING SNOW WILL CONTINUE TO PRODUCE BLIZZARD TO NEAR BLIZZARD CONDITIONS ACROSS MUCH OF THE REGION THROUGH SUNDAY MORNING. NORTHWEST WINDS WILL SUBSIDE SUNDAY AFTERNOON AS HIGH PRESSURE SETTLES ACROSS THE NORTHERN PLAINS...HOWEVER...BITTERLY COLD TEMPERATURES WILL CONTINUE THROUGH MONDAY NIGHT. SDZ038-050-052-053-057-058-063-064-068-210600- /O.CAN.KFSD.BZ.W.0004.000000T0000Z-081221T1200Z/ /O.NEW.KFSD.WC.W.0005.081220T2159Z-081221T1800Z/ BEADLE-GREGORY-JERAULD-SANBORN-BRULE-AURORA-CHARLES MIX-DOUGLAS- BON HOMME- INCLUDING THE CITIES OF...HURON...GREGORY...BURKE... WESSINGTON SPRINGS...ALPENA...WOONSOCKET...CHAMBERLAIN... KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...WAGNER...PLATTE... LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT...TYNDALL... SCOTLAND...SPRINGFIELD...AVON...TABOR 359 PM CST SAT DEC 20 2008 ...WIND CHILL WARNING IN EFFECT UNTIL 12 PM CST SUNDAY... ...BLIZZARD WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND CHILL WARNING...WHICH IS IN EFFECT UNTIL 12 PM CST SUNDAY. THE BLIZZARD WARNING HAS BEEN CANCELLED. STRONG NORTHWEST WINDS OF 25 TO 40 MPH WILL CONTINUE ACROSS THE AREA THROUGH TONIGHT. THERE WILL BE A BRIEF PERIOD OF LIGHTER WINDS EARLY THIS EVENING...BUT STRONG WINDS WILL QUICKLY REDEVELOP AS A SECONDARY SURGE OF ARCTIC AIR MOVES SOUTHWARD. THE BLIZZARD WARNING HAS BEEN CANCELLED AS BLIZZARD CONDITIONS ARE NO LONGER EXPECTED...HOWEVER...STRONG WINDS WILL CONTINUE PRODUCE AREAS BLOWING AND DRIFTING SNOW AND REDUCED VISIBILITIES IN OPEN AREAS...WHICH MAY MAKE TRAVEL DIFFICULT. TEMPERATURES WILL CONTINUE TO FALL TONIGHT WITH WIND CHILLS DROPPING TO 25 TO 40 BELOW ZERO. A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. $$ SDZ059-060-065-069-210600- /O.EXT.KFSD.BZ.W.0004.000000T0000Z-081221T1800Z/ DAVISON-HANSON-HUTCHINSON-YANKTON- INCLUDING THE CITIES OF...MITCHELL...ALEXANDRIA...EMERY... PARKSTON...FREEMAN...MENNO...TRIPP...YANKTON 359 PM CST SAT DEC 20 2008 ...BLIZZARD WARNING NOW IN EFFECT UNTIL 12 PM CST SUNDAY... THE BLIZZARD WARNING IS NOW IN EFFECT UNTIL 12 PM CST SUNDAY. STRONG NORTHWEST WINDS OF 25 TO 40 MPH WILL CONTINUE ACROSS THE AREA TONIGHT. THERE WILL BE A BRIEF PERIOD OF LIGHTER WINDS EARLY THIS EVENING...BUT STRONG WINDS WILL QUICKLY REDEVELOP AS A SECONDARY SURGE OF ARCTIC AIR MOVES SOUTHWARD. STRONG WINDS WILL CONTINUE TO PRODUCE WIDESPREAD BLOWING AND DRIFTING SNOW...REDUCING VISIBILITIES... ESPECIALLY IN OPEN AREAS. IN ADDITION...TEMPERATURES WILL CONTINUE TO FALL TONIGHT WITH WIND CHILLS DROPPING TO 25 TO 40 BELOW ZERO. A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. $$ IAZ001-012>014-020>022-031-032-MNZ098-NEZ013-014-SDZ039-040- 054>056-061-062-066-067-070-071-210600- /O.CON.KFSD.BZ.W.0004.000000T0000Z-081221T1800Z/ LYON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA- ROCK-DIXON-DAKOTA-KINGSBURY-BROOKINGS-MINER-LAKE-MOODY-MCCOOK- MINNEHAHA-TURNER-LINCOLN-UNION- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY... SANBORN...SPENCER...LE MARS...CHEROKEE...STORM LAKE... SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...LUVERNE... WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY...DE SMET... ARLINGTON...LAKE PRESTON...BROOKINGS...HOWARD...MADISON... FLANDREAU...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE... SIOUX FALLS...PARKER...CENTERVILLE...MARION...VIBORG...HURLEY... CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG...VERMILLION... NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON 359 PM CST SAT DEC 20 2008 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 12 PM CST SUNDAY... A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 12 PM CST SUNDAY. STRONG NORTHWEST WINDS OF 25 TO 40 MPH WILL CONTINUE ACROSS THE AREA TONIGHT. THERE WILL BE A BRIEF PERIOD OF LIGHTER WINDS EARLY THIS EVENING...BUT STRONG WINDS WILL QUICKLY REDEVELOP AS A SECONDARY SURGE OF ARCTIC AIR MOVES SOUTHWARD. STRONG WINDS WILL CONTINUE TO PRODUCE WIDESPREAD BLOWING AND DRIFTING SNOW...REDUCING VISIBILITIES... ESPECIALLY IN OPEN AREAS. IN ADDITION...TEMPERATURES WILL CONTINUE TO FALL TONIGHT WITH WIND CHILLS DROPPING TO 25 TO 40 BELOW ZERO. 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. $$ IAZ002-003-MNZ071-072-080-081-089-090-097-210600- /O.CON.KFSD.BZ.W.0004.000000T0000Z-081221T2100Z/ OSCEOLA-DICKINSON-LINCOLN-LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON- PIPESTONE- INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD... ARNOLDS PARK...TYLER...HENDRICKS...LAKE BENTON...IVANHOE... MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE... WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE 359 PM CST SAT DEC 20 2008 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 3 PM CST SUNDAY... A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 3 PM CST SUNDAY. STRONG NORTHWEST WINDS OF 25 TO 40 MPH WILL CONTINUE ACROSS THE AREA TONIGHT. THERE WILL BE A BRIEF PERIOD OF LIGHTER WINDS EARLY THIS EVENING...BUT STRONG WINDS WILL QUICKLY REDEVELOP AS A SECONDARY SURGE OF ARCTIC AIR MOVES SOUTHWARD. STRONG WINDS WILL CONTINUE TO PRODUCE WIDESPREAD BLOWING AND DRIFTING SNOW...REDUCING VISIBILITIES...ESPECIALLY IN OPEN AREAS. IN ADDITION...TEMPERATURES WILL CONTINUE TO FALL TONIGHT WITH WIND CHILLS DROPPING TO 25 TO 40 BELOW ZERO. A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. $$ LIEBL
6 follow-up statements
000 WWUS43 KFSD 210246 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 846 PM CST SAT DEC 20 2008 .STRONG WINDS AND BITTER COLD TEMPERATURES WILL PERSIST ACROSS THE AREA INTO SUNDAY. BLOWING SNOW WILL CONTINUE TO PRODUCE BLIZZARD TO NEAR BLIZZARD CONDITIONS ACROSS MUCH OF THE REGION THROUGH SUNDAY MORNING. NORTHWEST WINDS WILL SUBSIDE SUNDAY AFTERNOON AS HIGH PRESSURE SETTLES ACROSS THE NORTHERN PLAINS... HOWEVER...BITTERLY COLD TEMPERATURES WILL CONTINUE THROUGH MONDAY NIGHT. SDZ059-060-065-069-211100- /O.CAN.KFSD.BZ.W.0004.000000T0000Z-081221T1800Z/ /O.EXA.KFSD.WC.W.0005.000000T0000Z-081221T1800Z/ DAVISON-HANSON-HUTCHINSON-YANKTON- INCLUDING THE CITIES OF...MITCHELL...ALEXANDRIA...EMERY... PARKSTON...FREEMAN...MENNO...TRIPP...YANKTON 846 PM CST SAT DEC 20 2008 ...WIND CHILL WARNING IN EFFECT UNTIL 12 PM CST SUNDAY... ...BLIZZARD WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND CHILL WARNING...WHICH IS IN EFFECT UNTIL 12 PM CST SUNDAY. THE BLIZZARD WARNING HAS BEEN CANCELLED. NORTHWEST WINDS OF 15 TO 30 MPH WITH OCCASIONAL HIGHER GUSTS WILL PRODUCE WIND CHILLS THAT APPROACH 40 BELOW ZERO AT TIMES. THIS CAN CAUSE FROSTBITE TO EXPOSED FLESH IN A MATTER OF MINUTES. WHILE THE BLIZZARD WARNING HAS BEEN CANCELLED...AREAS OF BLOWING AND DRIFTING SNOW WILL STILL BE POSSIBLE...SO PLEASE PROCEED WITH CAUTION OF TRAVEL IS NECESSARY TONIGHT. A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. $$ IAZ001-012>014-020>022-031-032-MNZ098-NEZ013-014-SDZ039-040- 054>056-061-062-066-067-070-071-211100- /O.CON.KFSD.BZ.W.0004.000000T0000Z-081221T1800Z/ LYON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA- ROCK-DIXON-DAKOTA-KINGSBURY-BROOKINGS-MINER-LAKE-MOODY-MCCOOK- MINNEHAHA-TURNER-LINCOLN-UNION- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY... SANBORN...SPENCER...LE MARS...CHEROKEE...STORM LAKE... SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...LUVERNE... WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY...DE SMET... ARLINGTON...LAKE PRESTON...BROOKINGS...HOWARD...MADISON... FLANDREAU...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE... SIOUX FALLS...PARKER...CENTERVILLE...MARION...VIBORG...HURLEY... CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG...VERMILLION... NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON 846 PM CST SAT DEC 20 2008 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 12 PM CST SUNDAY... A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 12 PM CST SUNDAY. STRONG NORTHWEST WINDS OF 25 TO 40 MPH WILL CONTINUE ACROSS THE AREA TONIGHT. THERE WILL BE A BRIEF PERIOD OF LIGHTER WINDS EARLY THIS EVENING...BUT STRONG WINDS WILL QUICKLY REDEVELOP AS A SECONDARY SURGE OF ARCTIC AIR MOVES SOUTHWARD. STRONG WINDS WILL CONTINUE TO PRODUCE WIDESPREAD BLOWING AND DRIFTING SNOW... REDUCING VISIBILITIES... ESPECIALLY IN OPEN AREAS. IN ADDITION... TEMPERATURES WILL CONTINUE TO FALL TONIGHT WITH WIND CHILLS DROPPING TO 25 TO 40 BELOW ZERO. A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. $$ IAZ002-003-MNZ071-072-080-081-089-090-097-211100- /O.CON.KFSD.BZ.W.0004.000000T0000Z-081221T2100Z/ OSCEOLA-DICKINSON-LINCOLN-LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON- PIPESTONE- INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD... ARNOLDS PARK...TYLER...HENDRICKS...LAKE BENTON...IVANHOE... MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE... WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE 846 PM CST SAT DEC 20 2008 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 3 PM CST SUNDAY... A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 3 PM CST SUNDAY. STRONG NORTHWEST WINDS OF 25 TO 40 MPH WILL CONTINUE ACROSS THE AREA TONIGHT. THERE WILL BE A BRIEF PERIOD OF LIGHTER WINDS EARLY THIS EVENING...BUT STRONG WINDS WILL QUICKLY REDEVELOP AS A SECONDARY SURGE OF ARCTIC AIR MOVES SOUTHWARD. STRONG WINDS WILL CONTINUE TO PRODUCE WIDESPREAD BLOWING AND DRIFTING SNOW... REDUCING VISIBILITIES...ESPECIALLY IN OPEN AREAS. IN ADDITION... TEMPERATURES WILL CONTINUE TO FALL TONIGHT WITH WIND CHILLS DROPPING TO 25 TO 40 BELOW ZERO. 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. $$ SDZ038-050-052-053-057-058-063-064-068-211100- /O.CON.KFSD.WC.W.0005.000000T0000Z-081221T1800Z/ BEADLE-GREGORY-JERAULD-SANBORN-BRULE-AURORA-CHARLES MIX-DOUGLAS- BON HOMME- INCLUDING THE CITIES OF...HURON...GREGORY...BURKE... WESSINGTON SPRINGS...ALPENA...WOONSOCKET...CHAMBERLAIN... KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...WAGNER...PLATTE... LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT...TYNDALL... SCOTLAND...SPRINGFIELD...AVON...TABOR 846 PM CST SAT DEC 20 2008 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 12 PM CST SUNDAY... A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 12 PM CST SUNDAY. STRONG NORTHWEST WINDS OF 25 TO 40 MPH WILL CONTINUE ACROSS THE AREA THROUGH TONIGHT. THERE WILL BE A BRIEF PERIOD OF LIGHTER WINDS EARLY THIS EVENING...BUT STRONG WINDS WILL QUICKLY REDEVELOP AS A SECONDARY SURGE OF ARCTIC AIR MOVES SOUTHWARD. THE BLIZZARD WARNING HAS BEEN CANCELLED AS BLIZZARD CONDITIONS ARE NO LONGER EXPECTED...HOWEVER...STRONG WINDS WILL CONTINUE PRODUCE AREAS BLOWING AND DRIFTING SNOW AND REDUCED VISIBILITIES IN OPEN AREAS...WHICH MAY MAKE TRAVEL DIFFICULT. TEMPERATURES WILL CONTINUE TO FALL TONIGHT WITH WIND CHILLS DROPPING TO 25 TO 40 BELOW ZERO. A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. $$
000 WWUS43 KFSD 210945 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 345 AM CST SUN DEC 21 2008 .STRONG NORTHWEST WINDS WILL CONTINUE TO PRODUCE BLIZZARD CONDITIONS...DUE TO BLOWING SNOW...IN OPEN AREAS TODAY...MAINLY ALONG AND EAST OF INTERSTATE 29. THESE STRONG WINDS WILL ALSO PRODUCE BITTERLY COLD WIND CHILLS OF 25 BELOW TO 40 BELOW ACROSS THE ENTIRE AREA TODAY...WITH THE WIND GRADUALLY BECOMING LIGHT AND VARIABLE ACROSS THE REGION TONIGHT. SDZ039-040-054>056-061-062-066-067-211745- /O.CAN.KFSD.BZ.W.0004.000000T0000Z-081221T1800Z/ /O.EXB.KFSD.WC.W.0005.000000T0000Z-081222T0600Z/ KINGSBURY-BROOKINGS-MINER-LAKE-MOODY-MCCOOK-MINNEHAHA-TURNER- LINCOLN- INCLUDING THE CITIES OF...DE SMET...ARLINGTON...LAKE PRESTON... BROOKINGS...HOWARD...MADISON...FLANDREAU...SALEM...CANISTOTA... BRIDGEWATER...MONTROSE...SIOUX FALLS...PARKER...CENTERVILLE... MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA... HARRISBURG 345 AM CST SUN DEC 21 2008 ...WIND CHILL WARNING IN EFFECT UNTIL MIDNIGHT CST TONIGHT... ...BLIZZARD WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND CHILL WARNING...WHICH IS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. THE BLIZZARD WARNING HAS BEEN CANCELLED. STRONG NORTHWEST WINDS OF 25 TO 35 MPH WILL PRODUCE BITTERLY COLD WIND CHILLS OF 30 BELOW TO 40 BELOW TODAY. THE WINDS WILL GRADUALLY DECREASE THIS EVENING...HOWVER...WIND CHILLS WILL REMAIN NEAR 30 BELOW THROUGH MIDNIGHT. THE WINDS SHOULD BECOME LIGHT AND VARIABLE AFTER MIDNIGHT. A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. $$ IAZ002-003-MNZ071-072-080-081-089-090-097-211745- /O.NEW.KFSD.WC.W.0006.081221T2100Z-081222T0600Z/ /O.CON.KFSD.BZ.W.0004.000000T0000Z-081221T2100Z/ OSCEOLA-DICKINSON-LINCOLN-LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON- PIPESTONE- INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD... ARNOLDS PARK...TYLER...HENDRICKS...LAKE BENTON...IVANHOE... MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE... WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE 345 AM CST SUN DEC 21 2008 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... ...WIND CHILL WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO MIDNIGHT CST TONIGHT... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND CHILL WARNING...WHICH IS IN EFFECT FROM 3 PM THIS AFTERNOON TO MIDNIGHT CST TONIGHT. A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 3 PM CST THIS AFTERNOON. STRONG NORTHWEST WINDS OF 25 TO 40 MPH WILL CONTINUE ACROSS THE AREA TODAY. THESE STRONG WINDS WILL COMBINE WITH FRESH SNOW COVER...TO PRODUCE BLIZZARD CONDITIONS IN OPEN AREAS TODAY. THESE STRONG WINDS WILL ALSO PRODUCE BITTERLY COLD WIND CHILLS OF 30 BELOW TO 40 BELOW THROUGH THIS EVENING. THE WIND SHOULD BECOME LIGHT AND VARIABLE AFTER MIDNIGHT. A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. $$ IAZ001-012>014-020>022-031-032-MNZ098-NEZ013-014-SDZ070-071- 211745- /O.EXB.KFSD.WC.W.0005.081221T1800Z-081222T0600Z/ /O.CON.KFSD.BZ.W.0004.000000T0000Z-081221T1800Z/ LYON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA- ROCK-DIXON-DAKOTA-UNION- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY... SANBORN...SPENCER...LE MARS...CHEROKEE...STORM LAKE... SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...LUVERNE... WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY...VERMILLION... NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON 345 AM CST SUN DEC 21 2008 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY... ...WIND CHILL WARNING IN EFFECT FROM NOON TODAY TO MIDNIGHT CST TONIGHT... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WIND CHILL WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO MIDNIGHT CST TONIGHT. A BLIZZARD WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY. STRONG NORTHWEST WINDS OF 25 TO 35 MPH WILL CONTINUE ACROSS THE AREA TODAY. THESE STRONG WINDS WILL COMBINE WITH FRESH SNOW COVER...TO PRODUCE BLIZZARD CONDITIONS IN OPEN AREAS THIS MORNING. THESE STRONG WINDS WILL ALSO PRODUCE BITTERLY COLD WIND CHILLS OF 25 BELOW TO 40 BELOW THROUGH THIS EVENING. THE WIND SHOULD BECOME LIGHT AND VARIABLE AFTER MIDNIGHT. 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 WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. $$ SDZ038-050-052-053-057>060-063>065-068-069-211745- /O.EXT.KFSD.WC.W.0005.000000T0000Z-081222T0000Z/ BEADLE-GREGORY-JERAULD-SANBORN-BRULE-AURORA-DAVISON-HANSON- CHARLES MIX-DOUGLAS-HUTCHINSON-BON HOMME-YANKTON- INCLUDING THE CITIES OF...HURON...GREGORY...BURKE... WESSINGTON SPRINGS...ALPENA...WOONSOCKET...CHAMBERLAIN... KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL... ALEXANDRIA...EMERY...WAGNER...PLATTE...LAKE ANDES...MARTY... ARMOUR...CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP... TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON 345 AM CST SUN DEC 21 2008 ...WIND CHILL WARNING NOW IN EFFECT UNTIL 6 PM CST THIS AFTERNOON... THE WIND CHILL WARNING IS NOW IN EFFECT UNTIL 6 PM CST THIS AFTERNOON. STRONG NORTHWEST WINDS OF 25 TO 35 MPH WILL PRODUCE BITTERLY COLD WIND CHILLS OF 30 BELOW TO 40 BELOW TODAY. THE WINDS WILL BECOME LIGHT AND VARIABLE DURING THE EVENING. A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. $$
000 WWUS43 KFSD 211738 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 1138 AM CST SUN DEC 21 2008 .STRONG NORTHWEST WINDS WILL CONTINUE TO PRODUCE BLIZZARD CONDITIONS DUE TO BLOWING SNOW...MAINLY IN OPEN AREAS THIS AFTERNOON...ACROSS SOUTHWEST MINNESOTA AND PARTS OF NORTHWEST IOWA. THESE STRONG WINDS WILL ALSO PRODUCE BITTERLY COLD WIND CHILLS OF 25 BELOW TO 40 BELOW ACROSS THE ENTIRE REGION THROUGH THIS AFTERNOON...WITH THE WIND GRADUALLY BECOMING LIGHT AND VARIABLE ACROSS THE REGION LATER TONIGHT. IAZ001-012>014-020>022-031-032-MNZ098-NEZ013-014-SDZ070-071- 220145- /O.EXP.KFSD.BZ.W.0004.000000T0000Z-081221T1800Z/ /O.CON.KFSD.WC.W.0005.081221T1800Z-081222T0600Z/ LYON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA- ROCK-DIXON-DAKOTA-UNION- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY... SANBORN...SPENCER...LE MARS...CHEROKEE...STORM LAKE... SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...LUVERNE... WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY...VERMILLION... NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON 1138 AM CST SUN DEC 21 2008 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... ...BLIZZARD WARNING WILL EXPIRE AT NOON CST TODAY... THE BLIZZARD WARNING WILL EXPIRE AT NOON CST TODAY. A WIND CHILL WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. STRONG NORTHWEST WINDS OF 20 TO 35 MPH WILL CONTINUE ACROSS THE AREA THIS AFTERNOON. THESE STRONG WINDS WILL CONTINUE TO PRODUCE BLOWING SNOW THIS AFTERNOON...WITH VISIBILITIES OCCASIONALLY DROPPING TO 1 TO 3 MILES. THE STRONG WINDS WILL ALSO PRODUCE BITTERLY COLD WIND CHILLS OF 25 BELOW TO 40 BELOW INTO THIS EVENING. THE WIND SHOULD BECOME LIGHT AND VARIABLE AFTER MIDNIGHT. A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. $$ IAZ002-003-MNZ071-072-080-081-089-090-097-220145- /O.CON.KFSD.BZ.W.0004.000000T0000Z-081221T2100Z/ /O.CON.KFSD.WC.W.0006.081221T2100Z-081222T0600Z/ OSCEOLA-DICKINSON-LINCOLN-LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON- PIPESTONE- INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD... ARNOLDS PARK...TYLER...HENDRICKS...LAKE BENTON...IVANHOE... MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE... WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE 1138 AM CST SUN DEC 21 2008 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... ...WIND CHILL WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO MIDNIGHT CST TONIGHT... A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 3 PM CST THIS AFTERNOON. A WIND CHILL WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO MIDNIGHT CST TONIGHT. STRONG NORTHWEST WINDS OF 25 TO 40 MPH WILL CONTINUE ACROSS THE AREA THROUGH THIS AFTERNOON. THESE STRONG WINDS WILL COMBINE WITH FRESH SNOW COVER TO PRODUCE BLIZZARD CONDITIONS IN OPEN AREAS. VISIBILITIES IN BLOWING SNOW WILL OCCASIONALLY BE LESS THAN 1/2 MILE. THE STRONG WINDS WILL ALSO PRODUCE BITTERLY COLD WIND CHILLS OF 30 BELOW TO 40 BELOW INTO THIS EVENING. THE WIND SHOULD BECOME LIGHT AND VARIABLE AFTER MIDNIGHT. A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. $$ SDZ038-050-052-053-057>060-063>065-068-069-220000- /O.CON.KFSD.WC.W.0005.000000T0000Z-081222T0000Z/ BEADLE-GREGORY-JERAULD-SANBORN-BRULE-AURORA-DAVISON-HANSON- CHARLES MIX-DOUGLAS-HUTCHINSON-BON HOMME-YANKTON- INCLUDING THE CITIES OF...HURON...GREGORY...BURKE... WESSINGTON SPRINGS...ALPENA...WOONSOCKET...CHAMBERLAIN... KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL... ALEXANDRIA...EMERY...WAGNER...PLATTE...LAKE ANDES...MARTY... ARMOUR...CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP... TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON 1138 AM CST SUN DEC 21 2008 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON... A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON. STRONG NORTHWEST WINDS OF 20 TO 35 MPH WILL PRODUCE BITTERLY COLD WIND CHILLS OF 30 BELOW TO 40 BELOW THROUGH THIS AFTERNOON. THE WINDS WILL BECOME LIGHT AND VARIABLE DURING THE EVENING. A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. $$ SDZ039-040-054>056-061-062-066-067-220145- /O.CON.KFSD.WC.W.0005.000000T0000Z-081222T0600Z/ KINGSBURY-BROOKINGS-MINER-LAKE-MOODY-MCCOOK-MINNEHAHA-TURNER- LINCOLN- INCLUDING THE CITIES OF...DE SMET...ARLINGTON...LAKE PRESTON... BROOKINGS...HOWARD...MADISON...FLANDREAU...SALEM...CANISTOTA... BRIDGEWATER...MONTROSE...SIOUX FALLS...PARKER...CENTERVILLE... MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA... HARRISBURG 1138 AM CST SUN DEC 21 2008 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... A WIND CHILL WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. STRONG NORTHWEST WINDS OF 20 TO 35 MPH WILL PRODUCE BITTERLY COLD WIND CHILLS OF 25 BELOW TO 40 BELOW THROUGH THIS AFTERNOON AND INTO THIS EVENING. THE WINDS WILL GRADUALLY DECREASE LATE THIS EVENING...HOWEVER...WIND CHILLS WILL REMAIN NEAR 20 TO 30 BELOW THROUGH MIDNIGHT. THE WINDS SHOULD BECOME LIGHT AND VARIABLE AFTER MIDNIGHT. A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. $$
000 WWUS43 KFSD 212105 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 305 PM CST SUN DEC 21 2008 .STRONG NORTHWEST WINDS WILL CONTINUE AT 20 TO 30 MPH WITH OCCASIONAL GUSTS TO 35 MPH THROUGH LATE THIS AFTERNOON INTO EARLY EVENING...BEFORE DROPPING OFF TO 5 TO 15 MPH OR LESS BY MIDNIGHT TONIGHT. AREAS OF BLOWING AND DRIFTING SNOW WILL CONTINUE...BUT VISIBILITIES WILL GENERALLY BE GREATER THAN 1 TO 3 MILES THROUGH THIS EVENING. WIND CHILL VALUES WILL GENERALLY BE 20 TO 35 BELOW INTO THIS EVENING...AND WILL NOT BE GETTING ANY WORSE OVERNIGHT DESPITE THE COLD OVERNIGHT LOW TEMPERATURES EXPECTED DUE TO THE LIGHTER WIND SPEEDS. SDZ038-050-052-053-057>060-063>065-068-069-212215- /O.CAN.KFSD.WC.W.0005.000000T0000Z-081222T0000Z/ BEADLE-GREGORY-JERAULD-SANBORN-BRULE-AURORA-DAVISON-HANSON- CHARLES MIX-DOUGLAS-HUTCHINSON-BON HOMME-YANKTON- INCLUDING THE CITIES OF...HURON...GREGORY...BURKE... WESSINGTON SPRINGS...ALPENA...WOONSOCKET...CHAMBERLAIN... KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL... ALEXANDRIA...EMERY...WAGNER...PLATTE...LAKE ANDES...MARTY... ARMOUR...CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP... TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON 305 PM CST SUN DEC 21 2008 ...WIND CHILL WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE WIND CHILL WARNING. WIND SPEEDS HAVE DROPPED TO 15 TO 25 MPH AND WILL CONTINUE TO DECREASE INTO THIS EVENING. WIND CHILL VALUES ARE NOW 15 TO 25 BELOW...AND WILL CONTINUE TO MODERATE. $$ IAZ002-003-MNZ071-072-080-081-089-090-097-220300- /O.EXP.KFSD.BZ.W.0004.000000T0000Z-081221T2100Z/ /O.EXT.KFSD.WC.W.0006.000000T0000Z-081222T0300Z/ OSCEOLA-DICKINSON-LINCOLN-LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON- PIPESTONE- INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD... ARNOLDS PARK...TYLER...HENDRICKS...LAKE BENTON...IVANHOE... MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE... WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE 305 PM CST SUN DEC 21 2008 ...WIND CHILL WARNING NOW IN EFFECT UNTIL 9 PM CST THIS EVENING... ...BLIZZARD WARNING HAS EXPIRED... THE BLIZZARD WARNING IS NO LONGER IN EFFECT. THE WIND CHILL WARNING IS NOW IN EFFECT UNTIL 9 PM CST THIS EVENING. STRONG NORTHWEST WINDS WILL CONTINUE AT 20 TO 30 MPH WITH OCCASIONAL GUSTS TO 35 MPH THROUGH LATE THIS AFTERNOON INTO EARLY EVENING...BEFORE DROPPING OFF TO 5 TO 15 MPH OR LESS BY MIDNIGHT TONIGHT. AREAS OF BLOWING AND DRIFTING SNOW WILL CONTINUE...BUT VISIBILITIES WILL GENERALLY BE GREATER THAN 1 TO 3 MILES THROUGH THIS EVENING. WIND CHILL VALUES WILL GENERALLY BE 25 TO 35 BELOW INTO THIS EVENING...BUT WILL NOT BE GETTING ANY WORSE OVERNIGHT DESPITE THE COLD OVERNIGHT LOW TEMPERATURES EXPECTED DUE TO THE LIGHTER WIND SPEEDS. A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. $$ SDZ039-040-054>056-061-062-066-067-220000- /O.EXT.KFSD.WC.W.0005.000000T0000Z-081222T0000Z/ KINGSBURY-BROOKINGS-MINER-LAKE-MOODY-MCCOOK-MINNEHAHA-TURNER- LINCOLN- INCLUDING THE CITIES OF...DE SMET...ARLINGTON...LAKE PRESTON... BROOKINGS...HOWARD...MADISON...FLANDREAU...SALEM...CANISTOTA... BRIDGEWATER...MONTROSE...SIOUX FALLS...PARKER...CENTERVILLE... MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA... HARRISBURG 305 PM CST SUN DEC 21 2008 ...WIND CHILL WARNING NOW IN EFFECT UNTIL 6 PM CST THIS AFTERNOON... THE WIND CHILL WARNING IS NOW IN EFFECT UNTIL 6 PM CST THIS AFTERNOON. STRONG NORTHWEST WINDS WILL CONTINUE AT 15 TO 25 MPH WITH OCCASIONAL GUSTS TO 30 MPH THROUGH LATE THIS AFTERNOON...BEFORE DROPPING OFF TO LESS THAN 10 MPH BY MIDNIGHT TONIGHT. AREAS OF BLOWING AND DRIFTING SNOW WILL CONTINUE...BUT VISIBILITIES WILL GENERALLY BE GREATER THAN 2 TO 4 MILES THROUGH THIS AFTERNOON. WIND CHILL VALUES WILL GENERALLY BE 20 TO 30 BELOW INTO EARLY THIS EVENING...BUT WILL NOT BE GETTING ANY WORSE OVERNIGHT DESPITE THE COLD OVERNIGHT LOW TEMPERATURES EXPECTED DUE TO THE LIGHTER WIND SPEEDS. A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. $$ IAZ001-012>014-020>022-031-032-MNZ098-NEZ013-014-SDZ070-071- 220300- /O.EXT.KFSD.WC.W.0005.000000T0000Z-081222T0300Z/ LYON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA- ROCK-DIXON-DAKOTA-UNION- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY... SANBORN...SPENCER...LE MARS...CHEROKEE...STORM LAKE... SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...LUVERNE... WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY...VERMILLION... NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON 305 PM CST SUN DEC 21 2008 ...WIND CHILL WARNING NOW IN EFFECT UNTIL 9 PM CST THIS EVENING... THE WIND CHILL WARNING IS NOW IN EFFECT UNTIL 9 PM CST THIS EVENING. STRONG NORTHWEST WINDS WILL CONTINUE AT 20 TO 30 MPH WITH OCCASIONAL GUSTS TO 35 MPH THROUGH LATE THIS AFTERNOON INTO EARLY EVENING...BEFORE DROPPING OFF TO 5 TO 15 MPH OR LESS BY MIDNIGHT TONIGHT. AREAS OF BLOWING AND DRIFTING SNOW WILL CONTINUE...BUT VISIBILITIES WILL GENERALLY BE GREATER THAN 1 TO 3 MILES THROUGH THIS EVENING. WIND CHILL VALUES WILL GENERALLY BE 25 TO 35 BELOW INTO THIS EVENING...BUT WILL NOT BE GETTING ANY WORSE OVERNIGHT DESPITE THE COLD OVERNIGHT LOW TEMPERATURES EXPECTED DUE TO THE LIGHTER WIND SPEEDS. A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. $$
000 WWUS43 KFSD 212359 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 559 PM CST SUN DEC 21 2008 .STRONG NORTHWEST WINDS WILL CONTINUE AT 20 TO 30 MPH WITH OCCASIONAL GUSTS TO 35 MPH THROUGH LATE THIS AFTERNOON INTO EARLY EVENING...BEFORE DROPPING OFF TO 5 TO 15 MPH OR LESS BY MIDNIGHT TONIGHT. AREAS OF BLOWING AND DRIFTING SNOW WILL CONTINUE...BUT VISIBILITIES WILL GENERALLY BE GREATER THAN 1 TO 3 MILES THROUGH THIS EVENING. WIND CHILL VALUES WILL GENERALLY BE 20 TO 35 BELOW INTO THIS EVENING...AND WILL NOT BE GETTING ANY WORSE OVERNIGHT DESPITE THE COLD OVERNIGHT LOW TEMPERATURES EXPECTED DUE TO THE LIGHTER WIND SPEEDS. SDZ039-040-054>056-061-062-066-067-220100- /O.EXP.KFSD.WC.W.0005.000000T0000Z-081222T0000Z/ KINGSBURY-BROOKINGS-MINER-LAKE-MOODY-MCCOOK-MINNEHAHA-TURNER- LINCOLN- INCLUDING THE CITIES OF...DE SMET...ARLINGTON...LAKE PRESTON... BROOKINGS...HOWARD...MADISON...FLANDREAU...SALEM...CANISTOTA... BRIDGEWATER...MONTROSE...SIOUX FALLS...PARKER...CENTERVILLE... MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA... HARRISBURG 559 PM CST SUN DEC 21 2008 ...WIND CHILL WARNING WILL EXPIRE AT 6 PM CST THIS AFTERNOON... THE WIND CHILL WARNING WILL EXPIRE AT 6 PM CST THIS AFTERNOON. WIND CHILL VALUES WILL STILL REMAIN IN THE 20 TO 25 BELOW RANGE FOR A FEW HOURS BEFORE THE WIND DECREASES LATE THIS EVENING. $$ IAZ002-003-MNZ071-072-080-081-089-090-097-220300- /O.CON.KFSD.WC.W.0006.000000T0000Z-081222T0300Z/ OSCEOLA-DICKINSON-LINCOLN-LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON- PIPESTONE- INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD... ARNOLDS PARK...TYLER...HENDRICKS...LAKE BENTON...IVANHOE... MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE... WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE 559 PM CST SUN DEC 21 2008 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 9 PM CST THIS EVENING... A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 9 PM CST THIS EVENING. STRONG NORTHWEST WINDS WILL CONTINUE AT 20 TO 30 MPH WITH OCCASIONAL GUSTS TO 35 MPH THROUGH LATE THIS AFTERNOON INTO EARLY EVENING...BEFORE DROPPING OFF TO 5 TO 15 MPH OR LESS BY MIDNIGHT TONIGHT. AREAS OF BLOWING AND DRIFTING SNOW WILL CONTINUE...BUT VISIBILITIES WILL GENERALLY BE GREATER THAN 1 TO 3 MILES THROUGH THIS EVENING. WIND CHILL VALUES WILL GENERALLY BE 25 TO 35 BELOW INTO THIS EVENING...BUT WILL NOT BE GETTING ANY WORSE OVERNIGHT DESPITE THE COLD OVERNIGHT LOW TEMPERATURES EXPECTED DUE TO THE LIGHTER WIND SPEEDS. A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. $$ IAZ001-012>014-020>022-031-032-MNZ098-NEZ013-014-SDZ070-071- 220300- /O.CON.KFSD.WC.W.0005.000000T0000Z-081222T0300Z/ LYON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA- ROCK-DIXON-DAKOTA-UNION- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY... SANBORN...SPENCER...LE MARS...CHEROKEE...STORM LAKE... SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...LUVERNE... WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY...VERMILLION... NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON 559 PM CST SUN DEC 21 2008 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 9 PM CST THIS EVENING... A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 9 PM CST THIS EVENING. STRONG NORTHWEST WINDS WILL CONTINUE AT 20 TO 30 MPH WITH OCCASIONAL GUSTS TO 35 MPH THROUGH LATE THIS AFTERNOON INTO EARLY EVENING...BEFORE DROPPING OFF TO 5 TO 15 MPH OR LESS BY MIDNIGHT TONIGHT. AREAS OF BLOWING AND DRIFTING SNOW WILL CONTINUE...BUT VISIBILITIES WILL GENERALLY BE GREATER THAN 1 TO 3 MILES THROUGH THIS EVENING. WIND CHILL VALUES WILL GENERALLY BE 25 TO 35 BELOW INTO THIS EVENING...BUT WILL NOT BE GETTING ANY WORSE OVERNIGHT DESPITE THE COLD OVERNIGHT LOW TEMPERATURES EXPECTED DUE TO THE LIGHTER WIND SPEEDS. A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. $$
000 WWUS43 KFSD 220319 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 919 PM CST SUN DEC 21 2008 IAZ001-012>014-020>022-031-032-MNZ098-NEZ013-014-SDZ070-071- 220430- /O.EXP.KFSD.WC.W.0005.000000T0000Z-081222T0300Z/ LYON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA- ROCK-DIXON-DAKOTA-UNION- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY... SANBORN...SPENCER...LE MARS...CHEROKEE...STORM LAKE... SIOUX CITY...IDA GROVE...HOLSTEIN...BATTLE CREEK...LUVERNE... WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY...VERMILLION... NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON 919 PM CST SUN DEC 21 2008 ...WIND CHILL WARNING HAS EXPIRED... THE WIND CHILL WARNING IS NO LONGER IN EFFECT. WIND CHILL VALUES AROUND 20 BELOW ZERO WILL CONTINUE THROUGH ABOUT MIDNIGHT BEFORE WINDS DECREASE TO LESS THAN 6 MPH. $$ IAZ002-003-MNZ071-072-080-081-089-090-097-220430- /O.EXP.KFSD.WC.W.0006.000000T0000Z-081222T0300Z/ OSCEOLA-DICKINSON-LINCOLN-LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON- PIPESTONE- INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD... ARNOLDS PARK...TYLER...HENDRICKS...LAKE BENTON...IVANHOE... MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE... WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE 919 PM CST SUN DEC 21 2008 ...WIND CHILL WARNING HAS EXPIRED... THE WIND CHILL WARNING IS NO LONGER IN EFFECT. WIND CHILL VALUES AROUND 20 BELOW ZERO WILL CONTINUE THROUGH ABOUT MIDNIGHT BEFORE WINDS DECREASE TO LESS THAN 6 MPH. $$
What forecasters said that day
The local office's own words before this wind chill warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Sioux Falls, SD wrote its last area forecast discussion before this wind chill warning went out at Dec 20, 10:30 AM CST, 5 hours 29 minutes earlier.
Area forecast discussion, Dec 20, 10:30 AM CST, 5 hours 29 minutes before
AREA FORECAST DISCUSSION FOR SOUTHEAST SD/SOUTHWEST MN/NORTHWEST IA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1030 AM CST SAT DEC 20 2008
.DISCUSSION...
IN GENRL THE BLIZZARD WARNING LOOKS TO BE WORKING OUT WELL. REPORTS
INDICATE THE VERY LOW VSBYS WITH THE STG WINDS ARE NOT SO WDSPRD IN
THE SWRN CRNR OF THE FCST AREA WHERE THERE IS NOT TOO MUCH LOOSE
SNOW...BUT EVEN THERE SEEMS THE WHITEOUT WILL BE ENUF IN OPEN AREAS
TO KEEP THE WARNING INTACT FOR NOW. FRTHR E THERE IS LOTS OF LOOSE
SNOW TO BLOW ARND SO EVEN AFTER CORRENT SNOW ENDS THE WHITEOUT WILL
BE THERE. OF COURSE WINDS CHILLS WILL CONT TO GO DOWN EVERYWHERE.
TEMPS COOLING PRETTY MUCH AS WE HAVE BEEN GOING FOR. THE ONE THING
THAT IS DIFFEENT IS STGR CLEARING WRN AND CNTRL FCST AREA THRU THIS
AFTN AND AM ADJUSTING THAT ACCORDINGLY...BUT WITH ERY MRNG FCSTR
DOING A GOOD JOB BY ENDING FALLING SNOW QUICKLY ANYWAY...THIS WILL
NOT AFFECT HILITES. AFTER CLOUDS BREAK UP MORE THRU THIS AFTN THEN
EXPECT A LOW CLOUD INCRS AGAIN LATER TNGT WITH NEXT SURGE OF ACRTIC
AIR AND WNDS. ZONES LOOK GOOD FOR AN UPDATE CLOSE TO NOON WHEN SOME
ERN AREAS GO FROM ADVY TO BLIZZARD WARNING.
&&
.PREV DISCUSSION...
OBVIOUS FOCUS FOR FORECAST IS THE UPCOMING DETERIORATING CONDITIONS
AND BLIZZARD THREAT ACRS THE FCST AREA. THIS MORNING...ARCTIC BNDRY
INTO THE JAMES RIVER VALLEY...WITH WINDS ALREADY A GOOD 25 TO 35 KTS
ON BASIS OF MAINLY SHALLOW FORCING. STRONG WAVE ON WV STARTING TO
SLIDE THRU WRN SD...AND THIS SHUD AID IN COUPLING AN INCREASINGLY
STRONGER GRADIENT ALFT TOWARD THE SFC. PV IMPULSE WITH STRONG JET
IMPULSE DRIVING A STRONG CLEARING BNDRY INTO CNTRL SD...BUT ALSO
INTERACTING WITH DECENT BAROCLINIC/FRONTOGENETIC ZONE TO PRODUCE A
FAIRLY WIDESPREAD BAND OF SNOWFALL ACRS CWA. HOWEVER...EFFICIENCY OF
PCPN HAS BEEN A BIT LACKING WITH RATES NOT BEEN VERY HIGH AND FOR
MOST PART HAVE NOT SEEN HIGHLY DENDRITIC GROWTH WITHIN SNOW AREA.
CONDITIONS ARE SOMEWHAT BETTER TOWARD THE N/NE WITH SOMEWHAT
STRONGER FORCING OVERLAP...AND MAX LIFT NICELY WITHIN DENDRITIC
ZONE. THEREFORE...WL KEEP HIGHER SNOWFALL AMNTS GOING MAINLY OVER
NERN 1/2 OF CWA AS BEFORE...BUT TAPER DOWN A BIT THRU W AND FAR S.
WINDS HAVE BEEN COMING UP A BIT SOONER THAN EARLIER THOUGHT...SO
DESPITE SOME SNOW TOTALS ENDING UP BLO ADVY...WL KEEP EXISTING
WINTER WX ADVY HIGHLIGHT GOING TO COVER COMBO OF SNOW AND BLOWING
SNOW. TRANSITION TO BLIZZARD WARNING REMAINS INEVITABLE FOR MOST
TODAY...STARTING UP RIGHT AWAY IN WRN THIRD...AND SPREADING STEADILY
EWRD AS INITIAL WAVE SLIDES BY DURING THE MORNING HOURS. SNOWFALL
WL END BEFORE STRONGEST WINDS FOR MOST...BUT ENOUGH FLUFF TO CONCERN
MOST. STILL HAVE CONCERNS THAT WINDS MAY TRY AND DECREASE HEADING
INTO AT LEAST THE FIRST HALF OF THE NIGHT AS SOME WK RIDGING ALFT
SLIDES IN AHEAD OF TRAILING LOBE WHICH SHOULD REALLY GET WINDS GOING
LATE TONIGHT AND THRU SUNDAY MORNING...AS LOW TO MID LVL GRADIENT
TIGHTENS. WHAT MAY KEEP WINDS UP A BIT MORE THAN EXPECTED IS THE
OVERALL STRONG LOW LVL CAA THRU THE EVENING AND INCREASE OF
GEOSTROPHIC POTENTIAL ALFT. CONSIDERING ALL THE SNOW LATELY...MOST
OF THE AREA SHUD HAVE LITTLE DIFFICULTY PRODUCING VSBYS FREQUENTLY
AOB ONE QUARTER MILE AND AT LEAST GUSTS OVER 35 MPH...WITH EXCEPTION
OF MORE SHELTERED CITY LOCATIONS. WITH LESSER SNOW AND SNOWCOVER
THRU THE FAR SW...CONSIDERED CUTTING BACK TO A WIND CHILL/WINTER WX
HIGHLIGHT OVER BLIZZARD...BUT NO SENSE IN GETTING TOO CUTE WITH THE
SERIOUS THREAT OVERALL. COMBINATION OF WINDS/VSBYS LKLY TO BE VERY
LIFE THREATENING FOR MOST OF THE AREA...ESPLY WHEN THE WORST MAY HIT
LATER TONIGHT INTO SUNDAY MORNING...LINGERING THRU ERN CWA IN THE
AFTN.
AS USUAL...TEMPERATURE AND MOISTURE REPRESENTATION BEHIND BNDRY IS
MUCH TOO SLOW IN FALLING...AND INITIAL CHANGES MADE TO ACCELERATE
THE FALL AND KEEP IT GOING THRU AFTN. NOT SURE WHERE GUIDANCE RISING
TMPS COMING FROM IN NAM/FWC...BUT MAV SEEMS TO CAPTURE THE OVERALL
TREND IN TMPS FAIRLY WELL FOR NEXT COUPLE DAYS. WINTER SOLSTICE ON
SUNDAY WL CERTAINLY BE MEMORABLE FOR THE CHILL...AND MAY GET CLOSE
ENOUGH TO RIVAL 1983 AND 1989 OCCURRENCES.
TALK ABOUT COLD...WITH SFC RIDGE BUILDING IN SUN NIGHT AND WINDS
DROPPING TO A MERE BREATH MOST AREAS...SETUP FOR COLDEST NIGHT OF
THE YEAR THUSFAR. MAY BE CONSERVATIVE WITH SOME 20 BELOW LOWS.
STRONG RIDGE SHIFTS EWRD ON MONDAY...WITH STRONG SLY FLOW DEVELOPING
THRU THE DAY AND INTO THE NIGHT ACRS THE AREA. INCREASING CLOUDS IN
AFTN AS NEXT WAVE EJECTS IN THE ACTIVE FLOW INTO THE PLAINS. INITIAL
DRY AIRMASS LKLY TO KEEP PCPN OUT OF THE MIX ON MONDAY AFTN...BUT WL
HAVE TO WATCH FAR NWRN CWA FOR A QUICK LATE DAY SATURATION FM ALFT
WITH FIRST DIV Q PULSE MOVING INTO FAR WRN CWA. A GOOD SPREAD IN
WHERE BEST JET/FRONTAL DYNAMICS MAY AFFECT AREA...WITH BULK FOCUSING
A BIT MORE TO N. OPERATIONAL GFS DYNAMICS ARE A BIT DISCONNECTED...
BUT ENOUGH FRONTAL FORCING WITH WAVE COMING QUICKLY NE TO BUMP POPS
TO LOWER LKLY FOR MAINLY NRN/NERN CWA. OVERALL...A MINOR SYSTEM
COMPARED TO THOSE OF LATE WITH A COUPLE INCHES AT MOST POSSIBLE
NORTH. TMPS QUITE NON DIURNAL MON NIGHT...AND MAY EVEN ATTEMPT TUE
BEHIND SYSTEM AS STRONG LITTLE COLD PUNCH WORKS SWRD ONCE AGAIN.
COULD HAVE GONE COLDER ON LOWS FOR WED MORNING...ESPLY IN MORE WRN
AREAS CLOSER TO WKR SFC WINDS.
&&
.AVIATION...
-SN SWRN MN AND NWRN IA WILL DCRS AND END THIS AFTN. GNRL TREND IS
FOR STGR CLEARING FROM THE W THAN WE HAD CIGS SHUD BCM GNLY UNL OR
VFR OVER SD AND WRN PART OF NWRN IA THRU 00Z...PSBLY WITH JUST A FEW
PATCHES OF TRANSITORY MVFR CIGS. MVFR TO IFR CIGS SWRN MN DOWN
TO SPW/SLB IN NWRN IA WILL BCM MVFR TO OCNLY VFR. LITTLE CHANGE
EXPECTED 00Z-04Z THEN AN INCRS IN MVFR CIGS EXPECTED AS WDSPRD SC
SPREADS IN FROM THE NW WITH SECONDARY ARCTIC WIND SURGE. DEALING
WITH VSBYS...WDSPRD IFR VSBYS IN SNOW AND BLOWING SNOW SWRN MN INTO
PART OF NWRN IA WILL BECOME OCNL TO FQT IFR IN BLOWING SNOW AFT
18Z-21Z. PLENTY OF LOOSE SNOW TO BLW WILL KEEP THE IFR FQT IN MANY
AREAS AFTER THE FALLING SNOW ENDS. OVER MOST OF SERN SD DOWN TO SUX
AREA VSBYS WILL BCM HIGHLY VRBL FROM VFR TO LCL IFR IN BLOWNG SNOW.
&&
.FSD WATCHES/WARNINGS/ADVISORIES...
SD...BLIZZARD WARNING FROM NOON TODAY TO 12 PM CST SUNDAY FOR SDZ039-
040-054>056-061-062-066-067-070-071.
WINTER WEATHER ADVISORY UNTIL NOON CST TODAY FOR SDZ039-040-
054>056-061-062-066-067-070-071.
WINTER WEATHER ADVISORY UNTIL 6 AM CST EARLY THIS MORNING FOR
SDZ038-050-052-053-057>060-063>065-068-069.
BLIZZARD WARNING UNTIL 6 AM CST SUNDAY FOR SDZ038-050-052-053-
057>060-063>065-068-069.
MN...BLIZZARD WARNING FROM NOON TODAY TO 12 PM CST SUNDAY FOR MNZ098.
WINTER WEATHER ADVISORY UNTIL NOON CST TODAY FOR MNZ098.
WINTER WEATHER ADVISORY UNTIL NOON CST TODAY FOR MNZ071-072-080-
081-089-090-097.
BLIZZARD WARNING FROM NOON TODAY TO 3 PM CST SUNDAY FOR MNZ071-
072-080-081-089-090-097.
IA...BLIZZARD WARNING FROM NOON TODAY TO 12 PM CST SUNDAY FOR IAZ001-
012>014-020>022-031-032.
WINTER WEATHER ADVISORY UNTIL NOON CST TODAY FOR IAZ001-012-020-
031.
WINTER WEATHER ADVISORY UNTIL NOON CST TODAY FOR IAZ002-003-013-
014-021-022-032.
BLIZZARD WARNING FROM NOON TODAY TO 3 PM CST SUNDAY FOR IAZ002-
003.
NE...BLIZZARD WARNING FROM NOON TODAY TO 12 PM CST SUNDAY FOR NEZ013-
014.
WINTER WEATHER ADVISORY UNTIL NOON CST TODAY FOR NEZ013-014.
&&
WILLIAMSHazardous weather outlook, Dec 20, 5:58 AM CST, 10 hours 1 minute before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SIOUX FALLS SD 0558 AM CST SAT DEC 20 2008 SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098- IAZ001>003-012>014-020>022-031-032-NEZ013-014-211200- 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- 0558 AM CST SAT DEC 20 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH DAKOTA... SOUTHWEST MINNESOTA...NORTHWEST IOWA...AND NORTHEAST NEBRASKA. .DAY ONE...TODAY AND TONIGHT WINTER WEATHER... SNOWFALL...MAINLY EAST OF THE JAMES RIVER EARLY THIS MORNING WILL GRADUALLY END FROM WEST TO EAST. GREATEST SNOWFALL WILL BE FROM EAST CENTRAL SOUTH DAKOTA INTO PORTIONS OF SOUTHWEST MINNESOTA...WHERE AN ADDITIONAL INCH OR TWO SNOWFALL IS EXPECTED. AN INCH OR LESS ACCUMULATION WILL OCCUR TO THE SOUTH. BEHIND AN ARCTIC FRONT...STRONG NORTHWEST WINDS FROM 25 TO 35 MPH...WITH GUSTS AT TIMES TO 40 MPH WILL SPREAD FROM WEST TO EAST. WITH THE ABUNDANCE OF RECENT SNOWFALL...BLIZZARD CONDITIONS WITH VISIBILITIES OF A QUARTER MILE OR LESS AT TIMES ARE EXPECTED...LINGERING ALL THE WAY INTO SUNDAY MORNING IN SOUTHEAST SOUTH DAKOTA...AND SUNDAY AFTERNOON ACROSS SOUTHWEST MINNESOTA. WHITEOUT CONDITIONS CAN BE IN ADDITION...TEMPERATURES FALL THROUGH THE DAY AND MORE OR LESS CONTINUE FALLING ALL THE WAY TO ACTUAL MONDAY MORNING LOWS FROM 15 BELOW TO TO 22 BELOW ZERO. WITH THE STRONG WINDS...WIND CHILLS WILL REACH A LIFE THREATENING 25 BELOW TO 40 BELOW ZERO BY TONIGHT AND SUNDAY. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY BLIZZARD CONDITIONS WILL CONTINUE SUNDAY IN AREAS EAST OF THE JAMES RIVER VALLEY. ANOTHER WEATHER DISTURBANCE SHOULD MOVE EAST OVER THE AREA MONDAY NIGHT AND TUESDAY...BRINGING ANOTHER CHANCE OF ACCUMULATING SNOW. .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.
In the hours before
Local storm report, Dec 20, 10:19 AM CST, 5 hours 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1019 AM CST SAT DEC 20 2008
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0950 AM SNOW CHEROKEE 42.75N 95.55W
12/20/2008 E0.5 INCH CHEROKEE IA LAW ENFORCEMENT
0953 AM SNOW ORANGE CITY 43.00N 96.06W
12/20/2008 E1.5 INCH SIOUX IA LAW ENFORCEMENT
0956 AM SNOW SHELDON 43.18N 95.84W
12/20/2008 M1.0 INCH OBRIEN IA CO-OP OBSERVER
&&
MDBNearby
Wind Chill Warnings in South Dakota, 2008Wind Chill Warnings in Iowa, 2008Wind Chill Warnings in Nebraska, 2008Every wind chill warning in 2008
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.