Alert archive / Iowa / Winter Storm Warnings in 2009
Winter Storm Warning 7, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this winter storm warning at Dec 7, 2009, 2:59 PM CST for 4 states. It took effect at Dec 8, 2009, 6:00 AM CST. It was in force for 8 hr. 23 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 7, 2009, 2:59 PM CST (20:59 UTC)
- In effect from
- Dec 8, 2009, 6:00 AM CST
- Expired
- Dec 8, 2009, 1:33 PM CST
- In force
- 8 hr
- Issued by
- NWS Sioux Falls, SD
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, Jackson County, MN, Nobles County, MN, Dakota County, NE, Dixon County, NE, Clay County, SD, Union County, SD
The radar
The Sioux Falls radar (KFSD), 96 km from the middle of the area, began a volume at 20:59 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 8, 10:50 AM CST | SNOW 3 | Ponca, NE | 2 TO 3 INCHES OF SNOW. INTENSITY HAS INCREASED TO HEAVY DURING THE PAST HOUR. |
| Dec 8, 10:56 AM CST | SNOW 0.3 | 2 W Salix, IA | LIGHT SNOW SO FAR. |
| Dec 8, 11:00 AM CST | SNOW 0.5 | 1 E Orange City, IA | |
| Dec 8, 11:00 AM CST | SNOW 0.5 | Akron, IA | |
| Dec 8, 11:00 AM CST | SNOW 0.8 | Rock Rapids, IA | |
| Dec 8, 11:00 AM CST | SNOW 1.5 | Le Mars, IA | |
| Dec 8, 11:00 AM CST | SNOW 2 | 2 Nnw Hawarden, IA | |
| Dec 8, 11:00 AM CST | SNOW 2 | 5 Nw Ida Grove, IA | |
| Dec 8, 11:00 AM CST | SNOW 2.5 | Hospers, IA | |
| Dec 8, 11:00 AM CST | SNOW 3 | Sergeant Bluff, IA | |
| Dec 8, 11:03 AM CST | SNOW 3 | 7 E Wakefield, NE | HEAVY SNOW FALLING |
| Dec 8, 11:07 AM CST | SNOW 3 | 5 Sse Meckling, SD | HEAVY SNOW FALLING |
| Dec 8, 11:25 AM CST | SNOW 1.3 | 6 Se Centerville, SD | |
| Dec 8, 11:30 AM CST | SNOW 0.5 | 4 W Spirit Lake, IA | |
| Dec 8, 11:30 AM CST | SNOW 0.5 | Sheldon, IA | |
| Dec 8, 11:30 AM CST | SNOW 2 | Ocheyedan, IA | |
| Dec 8, 11:30 AM CST | SNOW 2.5 | 2 E Storm Lake, IA | |
| Dec 8, 11:52 AM CST | SNOW 2 | N Fairview, IA | MODERATE TO HEAVY SNOW FALLING |
| Dec 8, 11:58 AM CST | SNOW 2 | 3 Ene Ireton, IA | DRIFTING AND BLOWING SNOW |
| Dec 8, 12:00 PM CST | SNOW 2.1 | Sioux City, IA | |
| Dec 8, 12:32 PM CST | SNOW 3 | 5 W Sioux City, SD | |
| Dec 8, 12:41 PM CST | SNOW 2 | Cherokee, IA | |
| Dec 8, 12:59 PM CST | SNOW 2.7 | 1 Nnw Sergeant Bluff, IA |
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, 9.0 hours before the alert went out and 186 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
- 612 m above ground
- 0-6 km bulk shear
- 85 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 146 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 072059 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 259 PM CST MON DEC 7 2009 .A STRONG WINTER STORM SYSTEM WILL MOVE THROUGH THE CENTRAL PLAINS ON TUESDAY...AND INTO MISSOURI AND CENTRAL ILLINOIS TUESDAY NIGHT. THIS STORM WILL GIVE NORTHWEST IOWA AND IMMEDIATE ADJACENT AREAS WIDESPREAD MODERATE TO HEAVY SNOWFALL TUESDAY AND TUESDAY EVENING. LIGHTER ACCUMULATIONS WILL BE FOUND FARTHER TO THE WEST AND NORTH...INTO SOUTHWEST MINNESOTA...SOUTHEAST AND SOUTH CENTRAL SOUTH DAKOTA...WITH STILL LIGHTER AMOUNTS IN EAST CENTRAL SOUTH DAKOTA. VERY STRONG WINDS WILL DEVELOP BEHIND THE LOW PRESSURE AREA LATE TUESDAY AND TUESDAY NIGHT...PRODUCING WIDESPREAD BLOWING AND DRIFTING SNOW. MUCH BELOW NORMAL TEMPERATURES WILL ALSO COMBINE WITH THE STRONG WINDS TO PRODUCE VERY COLD WIND CHILL READINGS TUESDAY AFTERNOON THROUGH WEDNESDAY. IAZ002-MNZ090-080500- /O.UPG.KFSD.WW.Y.0022.091208T1200Z-091209T1200Z/ /O.NEW.KFSD.WS.W.0007.091208T1200Z-091209T1200Z/ OSCEOLA-JACKSON- INCLUDING THE CITIES OF...SIBLEY...JACKSON...LAKEFIELD 259 PM CST MON DEC 7 2009 ...WINTER STORM WARNING IN EFFECT FROM 6 AM TUESDAY TO 6 AM CST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 6 AM TUESDAY TO 6 AM CST WEDNESDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. ACCUMULATING SNOWFALL WILL SPREAD INTO THE AREA TOWARD DAYBREAK TUESDAY...THEN CONTINUE THROUGH TUESDAY NIGHT. THE HEAVIEST SNOWFALL IS EXPECTED TUESDAY AFTERNOON AND EVENING...WITH ACCUMULATING SNOWFALL TAPERING OFF AFTER MIDNIGHT TUESDAY NIGHT. TOTAL SNOWFALL ACCUMULATIONS OF 5 TO 8 INCHES ARE EXPECTED. STRONG NORTHERLY WINDS OF 25 TO 35 MPH CAN ALSO BE EXPECTED TUESDAY NIGHT...WHICH WILL PRODUCE WIDESPREAD BLOWING AND DRIFTING SNOW... ALONG WITH WIND CHILL VALUES OF 10 TO 20 DEGREES BELOW ZERO. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ IAZ003-012>014-020>022-031-032-NEZ013-014-SDZ070-071-080500- /O.UPG.KFSD.WS.A.0006.091208T1200Z-091209T1200Z/ /O.NEW.KFSD.WS.W.0007.091208T1200Z-091209T1200Z/ DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-BUENA VISTA- WOODBURY-IDA-DIXON-DAKOTA-UNION- INCLUDING THE CITIES OF...SPIRIT LAKE...MILFORD...ARNOLDS PARK... ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN... SPENCER...LE MARS...CHEROKEE...STORM LAKE...SIOUX CITY... IDA GROVE...HOLSTEIN...BATTLE CREEK...WAKEFIELD...PONCA...ALLEN... SOUTH SIOUX CITY...VERMILLION...NORTH SIOUX CITY...BERESFORD... ELK POINT...ALCESTER...JEFFERSON 259 PM CST MON DEC 7 2009 ...WINTER STORM WARNING IN EFFECT FROM 6 AM TUESDAY TO 6 AM CST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 6 AM TUESDAY TO 6 AM CST WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. ACCUMULATING SNOWFALL WILL SPREAD INTO THE AREA LATE TONIGHT...THEN CONTINUE THROUGH TUESDAY NIGHT. THE HEAVIEST SNOWFALL IS EXPECTED TUESDAY AFTERNOON AND EVENING...WITH ACCUMULATING SNOWFALL TAPERING OFF AFTER MIDNIGHT TUESDAY NIGHT. TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 10 INCHES ARE EXPECTED...WITH THE HEAVIEST AMOUNTS ACROSS THE SIOUX CITY TO STORM LAKE AREAS. STRONG NORTHERLY WINDS OF 25 TO 35 MPH CAN ALSO BE EXPECTED TUESDAY NIGHT...WHICH WILL PRODUCE WIDESPREAD BLOWING AND DRIFTING SNOW... ALONG WITH WIND CHILL VALUES OF 5 TO 15 DEGREES BELOW ZERO. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ SDZ050-063-064-080500- /O.EXA.KFSD.WW.Y.0022.091208T1200Z-091209T1200Z/ GREGORY-CHARLES MIX-DOUGLAS- INCLUDING THE CITIES OF...GREGORY...BURKE...WAGNER...PLATTE... LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT 259 PM CST MON DEC 7 2009 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM TUESDAY TO 6 AM CST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 6 AM TUESDAY TO 6 AM CST WEDNESDAY. ACCUMULATING SNOWFALL WILL SPREAD INTO THE AREA AFTER MIDNIGHT TONIGHT...THEN CONTINUE THROUGH TUESDAY EVENING. THE HEAVIEST SNOWFALL IS EXPECTED DURING THE DAY TUESDAY...WITH ACCUMULATING SNOWFALL TAPERING OFF TUESDAY EVENING. TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 5 INCHES ARE EXPECTED. STRONG NORTHERLY WINDS OF 20 TO 35 MPH CAN ALSO BE EXPECTED TUESDAY NIGHT...WHICH WILL PRODUCE WIDESPREAD BLOWING AND DRIFTING SNOW... ALONG WITH WIND CHILL VALUES OF 15 TO 25 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. && $$ MNZ072-080500- /O.EXA.KFSD.WW.Y.0022.091208T1200Z-091209T1200Z/ LYON- INCLUDING THE CITY OF...MARSHALL 259 PM CST MON DEC 7 2009 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM TUESDAY TO 6 AM CST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 6 AM TUESDAY TO 6 AM CST WEDNESDAY. ACCUMULATING SNOWFALL WILL SPREAD INTO THE AREA TUESDAY MORNING...THEN CONTINUE THROUGH TUESDAY NIGHT. THE HEAVIEST SNOWFALL IS EXPECTED TUESDAY AFTERNOON AND EVENING...WITH ACCUMULATING SNOWFALL TAPERING OFF AFTER MIDNIGHT TUESDAY NIGHT. TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 5 INCHES ARE EXPECTED. STRONG NORTHERLY WINDS OF 25 TO 35 MPH CAN ALSO BE EXPECTED TUESDAY NIGHT...WHICH WILL PRODUCE WIDESPREAD BLOWING AND DRIFTING SNOW... ALONG WITH WIND CHILL VALUES OF 15 TO 25 DEGREES BELOW ZERO. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR FURTHER DETAILS OR UPDATES. && $$ SDZ061-065-068-080500- /O.CON.KFSD.WW.Y.0022.091208T1200Z-091209T1200Z/ MCCOOK-HUTCHINSON-BON HOMME- INCLUDING THE CITIES OF...SALEM...CANISTOTA...BRIDGEWATER... MONTROSE...PARKSTON...FREEMAN...MENNO...TRIPP...TYNDALL... SCOTLAND...SPRINGFIELD...AVON...TABOR 259 PM CST MON DEC 7 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM TUESDAY TO 6 AM CST WEDNESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM TUESDAY TO 6 AM CST WEDNESDAY. ACCUMULATING SNOWFALL WILL SPREAD INTO THE AREA AFTER MIDNIGHT TONIGHT...THEN CONTINUE THROUGH TUESDAY EVENING. THE HEAVIEST SNOWFALL IS EXPECTED DURING THE DAY TUESDAY...WITH ACCUMULATING SNOWFALL TAPERING OFF TUESDAY EVENING. TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 5 INCHES ARE EXPECTED. STRONG NORTHERLY WINDS OF 25 TO 35 MPH CAN ALSO BE EXPECTED TUESDAY NIGHT...WHICH WILL PRODUCE WIDESPREAD BLOWING AND DRIFTING SNOW... ALONG WITH WIND CHILL VALUES OF 15 TO 25 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. && $$ IAZ001-MNZ080-081-089-097-098-SDZ056-062-066-067-069-080500- /O.CON.KFSD.WW.Y.0022.091208T1200Z-091209T1200Z/ LYON-MURRAY-COTTONWOOD-NOBLES-PIPESTONE-ROCK-MOODY-MINNEHAHA- TURNER-LINCOLN-YANKTON- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE... WORTHINGTON...PIPESTONE...LUVERNE...FLANDREAU...SIOUX FALLS... PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR... CANTON...LENNOX...TEA...HARRISBURG...YANKTON 259 PM CST MON DEC 7 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM TUESDAY TO 6 AM CST WEDNESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM TUESDAY TO 6 AM CST WEDNESDAY. ACCUMULATING SNOWFALL WILL SPREAD INTO THE AREA LATE TONIGHT...THEN CONTINUE THROUGH TUESDAY NIGHT. THE HEAVIEST SNOWFALL IS EXPECTED LATE TUESDAY MORNING INTO TUESDAY EVENING...WITH ACCUMULATING SNOWFALL TAPERING OFF AFTER MIDNIGHT TUESDAY NIGHT. TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 6 INCHES ARE EXPECTED...WITH THE HEAVIEST AMOUNTS SOUTH OF A LINE FROM YANKTON TO CANTON SOUTH DAKOTA...TO WORTHINGTON AND WINDOM MINNESOTA. STRONG NORTHERLY WINDS OF 25 TO 35 MPH CAN ALSO BE EXPECTED TUESDAY NIGHT...WHICH WILL PRODUCE WIDESPREAD BLOWING AND DRIFTING SNOW... ALONG WITH WIND CHILL VALUES OF 15 TO 25 DEGREES BELOW ZERO. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR FURTHER DETAILS OR UPDATES. && $$ JH
4 follow-up statements
000 WWUS43 KFSD 080403 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 1003 PM CST MON DEC 7 2009 .A STRONG WINTER STORM SYSTEM WILL MOVE ACROSS THE CENTRAL PLAINS ON TUESDAY AND TUESDAY NIGHT. THIS STORM WILL SPREAD SNOW ACROSS MUCH OF THE AREA...WITH MODERATE TO HEAVY SNOW ACCUMULATIONS INTO FAR SOUTHEAST SOUTH DAKOTA AND NORTHWEST IOWA. LIGHTER ACCUMULATIONS WILL BE FOUND FARTHER TO THE WEST AND NORTH...INTO SOUTHWEST MINNESOTA...AND SOUTH CENTRAL SOUTH DAKOTA. STRONG NORTHERLY WINDS WILL DEVELOP TUESDAY AFTERNOON AND CONTINUE THROUGH TUESDAY NIGHT...PRODUCING BLOWING AND DRIFTING SNOW...AND REDUCED VISIBILITIES...MAKING TRAVEL DIFFICULT. IN ADDITION...ARCTIC AIR WILL COMBINE WITH STRONG WINDS TO CREATE BITTERLY COLD WIND CHILLS OF 15 TO 25 DEGREES BELOW ZERO TUESDAY NIGHT. IAZ002-003-012>014-020>022-031-032-MNZ090-NEZ013-014-SDZ070-071- 081215- /O.CON.KFSD.WS.W.0007.091208T1200Z-091209T1200Z/ OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-BUENA VISTA- WOODBURY-IDA-JACKSON-DIXON-DAKOTA-UNION- INCLUDING THE CITIES OF...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...JACKSON... LAKEFIELD...WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY... VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT... ALCESTER...JEFFERSON 1003 PM CST MON DEC 7 2009 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM TUESDAY TO 6 AM CST WEDNESDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM TUESDAY TO 6 AM CST WEDNESDAY. ACCUMULATING SNOWFALL WILL SPREAD INTO THE AREA LATE TONIGHT... THEN CONTINUE THROUGH TUESDAY NIGHT. THE HEAVIEST SNOWFALL IS EXPECTED TUESDAY AFTERNOON AND EVENING...WITH ACCUMULATING SNOWFALL TAPERING OFF AFTER MIDNIGHT TUESDAY NIGHT. TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 10 INCHES ARE EXPECTED...WITH THE HEAVIEST AMOUNTS ACROSS THE SIOUX CITY TO STORM LAKE AREAS. STRONG NORTHERLY WINDS OF 25 TO 35 MPH CAN ALSO BE EXPECTED TUESDAY NIGHT...WHICH WILL PRODUCE WIDESPREAD BLOWING AND DRIFTING SNOW....ALONG WITH WIND CHILL VALUES OF 10 TO 20 DEGREES BELOW ZERO. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ SDZ050-061-063>065-068-081215- /O.CON.KFSD.WW.Y.0022.091208T1200Z-091209T1200Z/ GREGORY-MCCOOK-CHARLES MIX-DOUGLAS-HUTCHINSON-BON HOMME- INCLUDING THE CITIES OF...GREGORY...BURKE...SALEM...CANISTOTA... BRIDGEWATER...MONTROSE...WAGNER...PLATTE...LAKE ANDES...MARTY... ARMOUR...CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP... TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR 1003 PM CST MON DEC 7 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM TUESDAY TO 6 AM CST WEDNESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM TUESDAY TO 6 AM CST WEDNESDAY. ACCUMULATING SNOWFALL WILL SPREAD INTO THE AREA AFTER MIDNIGHT TONIGHT...THEN CONTINUE THROUGH TUESDAY EVENING. THE HEAVIEST SNOWFALL IS EXPECTED DURING THE DAY TUESDAY...WITH ACCUMULATING SNOWFALL TAPERING OFF TUESDAY EVENING. TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 5 INCHES ARE EXPECTED. STRONG NORTHERLY WINDS OF 25 TO 35 MPH CAN ALSO BE EXPECTED TUESDAY NIGHT...WHICH WILL PRODUCE WIDESPREAD BLOWING AND DRIFTING SNOW... ALONG WITH WIND CHILL VALUES OF 15 TO 25 DEGREES BELOW ZERO. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR FURTHER DETAILS OR UPDATES. && $$ IAZ001-MNZ072-080-081-089-097-098-SDZ056-062-066-067-069-081215- /O.CON.KFSD.WW.Y.0022.091208T1200Z-091209T1200Z/ LYON-MURRAY-COTTONWOOD-NOBLES-PIPESTONE-ROCK-MOODY-MINNEHAHA- TURNER-LINCOLN-YANKTON- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE... WORTHINGTON...PIPESTONE...LUVERNE...FLANDREAU...SIOUX FALLS... PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR... CANTON...LENNOX...TEA...HARRISBURG...YANKTON 1003 PM CST MON DEC 7 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM TUESDAY TO 6 AM CST WEDNESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM TUESDAY TO 6 AM CST WEDNESDAY. ACCUMULATING SNOWFALL WILL SPREAD INTO THE AREA LATE TONIGHT... THEN CONTINUE THROUGH TUESDAY NIGHT. THE HEAVIEST SNOWFALL IS EXPECTED LATE TUESDAY MORNING INTO TUESDAY EVENING...WITH ACCUMULATING SNOWFALL TAPERING OFF AFTER MIDNIGHT TUESDAY NIGHT. TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 6 INCHES ARE EXPECTED...WITH THE HEAVIEST AMOUNTS SOUTH OF A LINE FROM YANKTON TO CANTON SOUTH DAKOTA...TO WORTHINGTON AND WINDOM MINNESOTA. STRONG NORTHERLY WINDS OF 25 TO 35 MPH CAN ALSO BE EXPECTED TUESDAY NIGHT...WHICH WILL PRODUCE WIDESPREAD BLOWING AND DRIFTING SNOW... ALONG WITH WIND CHILL VALUES OF 15 TO 25 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. && $$ 97
000 WWUS43 KFSD 080927 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 327 AM CST TUE DEC 8 2009 .A STRONG WINTER STORM SYSTEM WILL MOVE ACROSS THE CENTRAL PLAINS TODAY 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. 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 THIS AFTERNOON AND CONTINUE THROUGH TONIGHT...PRODUCING BLOWING AND DRIFTING SNOW AND REDUCED VISIBILITIES...MAKING TRAVEL DIFFICULT. IN ADDITION... ARCTIC AIR WILL COMBINE WITH THE STRONG WINDS TO CREATE BITTERLY COLD WIND CHILLS OF 15 TO 25 DEGREES BELOW ZERO TONIGHT. IAZ002-003-012>014-020>022-031-032-MNZ090-NEZ013-014-SDZ070-071- 081730- /O.CON.KFSD.WS.W.0007.091208T1200Z-091209T1200Z/ OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-BUENA VISTA- WOODBURY-IDA-JACKSON-DIXON-DAKOTA-UNION- INCLUDING THE CITIES OF...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...JACKSON... LAKEFIELD...WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY... VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT... ALCESTER...JEFFERSON 327 AM CST TUE DEC 8 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST WEDNESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST WEDNESDAY. ACCUMULATING SNOWFALL WILL CONTINUE TO SPREAD INTO THE AREA THROUGH THIS MORNING...THEN CONTINUE THROUGH TONIGHT. THE HEAVIEST SNOWFALL IS EXPECTED THIS AFTERNOON AND EVENING...WITH ACCUMULATING SNOWFALL TAPERING OFF AFTER MIDNIGHT. TOTAL SNOWFALL ACCUMULATIONS OF 6 TO 10 INCHES ARE EXPECTED...WITH THE HEAVIEST AMOUNTS IN THE SIOUX CITY TO STORM LAKE AREAS. STRONG NORTHERLY WINDS OF 25 TO 35 MPH CAN ALSO BE EXPECTED BY LATE THIS AFTERNOON THROUGH TONIGHT...WHICH WILL PRODUCE WIDESPREAD BLOWING AND DRIFTING SNOW....ALONG WITH WIND CHILL VALUES OF 10 TO 20 DEGREES BELOW ZERO. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ MNZ071-SDZ038>040-052>055-057>060-081730- /O.EXA.KFSD.WW.Y.0022.091208T1200Z-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 327 AM CST TUE DEC 8 2009 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM CST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL 6 AM CST WEDNESDAY. ACCUMULATING SNOWFALL WILL CONTINUE TO SPREAD ACROSS THE AREA THROUGH THIS MORNING... THEN CONTINUE THROUGH TONIGHT. THE HEAVIEST SNOWFALL IS EXPECTED THIS AFTERNOON INTO THIS EVENING WITH ACCUMULATING SNOWFALL TAPERING OFF AFTER MIDNIGHT. TOTAL SNOWFALL OF 2 TO 4 INCHES IS EXPECTED...WITH THE HEAVIEST AMOUNTS ALONG INTERSTATE 90. STRONG NORTHERLY WINDS OF 25 TO 35 MPH CAN ALSO BE EXPECTED LATE THIS AFTERNOON THROUGH TONIGHT...WHICH WILL PRODUCE WIDESPREAD BLOWING AND DRIFTING SNOW...ALONG WITH WIND CHILL VALUES OF 15 TO 25 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. && $$ SDZ050-061-063>065-068-081730- /O.CON.KFSD.WW.Y.0022.091208T1200Z-091209T1200Z/ GREGORY-MCCOOK-CHARLES MIX-DOUGLAS-HUTCHINSON-BON HOMME- INCLUDING THE CITIES OF...GREGORY...BURKE...SALEM...CANISTOTA... BRIDGEWATER...MONTROSE...WAGNER...PLATTE...LAKE ANDES...MARTY... ARMOUR...CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP... TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR 327 AM CST TUE DEC 8 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST WEDNESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST WEDNESDAY. ACCUMULATING SNOWFALL WILL CONTINUE TO SPREAD INTO THE AREA THROUGH THIS MORNING...THEN CONTINUE INTO TONIGHT. THE HEAVIEST SNOWFALL IS EXPECTED THIS AFTERNOON AND EARLY EVENING... WITH ACCUMULATING SNOWFALL TAPERING OFF BY MIDNIGHT. TOTAL SNOWFALL OF 3 TO 5 INCHES IS EXPECTED. STRONG NORTHERLY WINDS OF 25 TO 35 MPH CAN ALSO BE EXPECTED THIS AFTERNOON AND TONIGHT...WHICH WILL PRODUCE WIDESPREAD BLOWING AND DRIFTING SNOW...ALONG WITH WIND CHILL VALUES OF 15 TO 25 DEGREES BELOW ZERO. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR FURTHER DETAILS OR UPDATES. && $$ IAZ001-MNZ072-080-081-089-097-098-SDZ056-062-066-067-069-081730- /O.CON.KFSD.WW.Y.0022.091208T1200Z-091209T1200Z/ LYON-MURRAY-COTTONWOOD-NOBLES-PIPESTONE-ROCK-MOODY-MINNEHAHA- TURNER-LINCOLN-YANKTON- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE... WORTHINGTON...PIPESTONE...LUVERNE...FLANDREAU...SIOUX FALLS... PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR... CANTON...LENNOX...TEA...HARRISBURG...YANKTON 327 AM 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. ACCUMULATING SNOWFALL WILL CONTINUE TO SPREAD INTO THE AREA THIS MORNING...THEN CONTINUE THROUGH TONIGHT. THE HEAVIEST SNOWFALL IS EXPECTED THIS AFTERNOON AND EVENING...TAPERING OFF AFTER MIDNIGHT. TOTAL SNOWFALL OF 4 TO 6 INCHES IS EXPECTED. STRONG NORTHERLY WINDS OF 25 TO 35 MPH CAN ALSO BE EXPECTED THIS AFTERNOON AND TONIGHT...WHICH WILL PRODUCE WIDESPREAD BLOWING AND DRIFTING SNOW... ALONG WITH WIND CHILL VALUES OF 15 TO 25 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. && $$ MG
000 WWUS43 KFSD 081645 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 1045 AM 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. 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 LATE THIS AFTERNOON AND CONTINUE THROUGH WEDNESDAY MORNING...PRODUCING BLOWING AND DRIFTING SNOW AND REDUCED VISIBILITIES...MAKING TRAVEL DIFFICULT. 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-MNZ089-090045- /O.UPG.KFSD.WW.Y.0022.000000T0000Z-091209T1200Z/ /O.EXB.KFSD.WS.W.0007.000000T0000Z-091209T1800Z/ LYON-NOBLES- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...WORTHINGTON 1045 AM CST TUE DEC 8 2009 ...WINTER STORM WARNING IN EFFECT UNTIL NOON CST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL NOON CST WEDNESDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. EXPECT SNOW TO DEVELOP BY EARLY THIS AFTERNOON AND CONTINUE INTO EARLY THIS EVENING. SNOW WILL GRADUALLY DIMINISH THROUGH THE EVENING. LIGHT SNOW OR FLURRIES CAN THEN BE EXPECTED INTO WEDNESDAY MORNING. TOTAL SNOWFALL OF 5 TO 8 INCHES IS EXPECTED. IN ADDITION TO THE SNOW...NORTHERLY WINDS OF 15 TO 30 MPH CAN BE EXPECTED BY LATE AFTERNOON CAUSING BLOWING SNOW IN OPEN AREAS. AFTER DARK...WINDS WILL INCREASE TO 25 TO 35 MPH WHICH WILL PRODUCE WIDESPREAD BLOWING AND DRIFTING SNOW. BLOWING SNOW MAY REDUCE VISIBILITIES BELOW ONE QUARTER MILE AT TIMES LATE TONIGHT AND WEDNESDAY MORNING. WIND CHILL TEMPERATURES WILL ALSO FALL TO 15 TO 25 DEGREES BELOW ZERO BY WEDNESDAY MORNING. RECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ IAZ002-003-012>014-020>022-031-032-MNZ090-NEZ013-014-SDZ070-071- 090045- /O.EXT.KFSD.WS.W.0007.000000T0000Z-091209T1800Z/ OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-BUENA VISTA- WOODBURY-IDA-JACKSON-DIXON-DAKOTA-UNION- INCLUDING THE CITIES OF...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...JACKSON... LAKEFIELD...WAKEFIELD...PONCA...ALLEN...SOUTH SIOUX CITY... VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT... ALCESTER...JEFFERSON 1045 AM CST TUE DEC 8 2009 ...WINTER STORM WARNING NOW IN EFFECT UNTIL NOON CST WEDNESDAY... THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL NOON CST WEDNESDAY. SNOW WILL SPREAD ACROSS THE AREA THIS AFTERNOON AND CONTINUE INTO TONIGHT. THE HEAVIEST SNOWFALL IS EXPECTED THIS AFTERNOON AND 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 15 TO 30 MPH WILL DEVELOP BY LATE THIS AFTERNOON PRODUCING AREAS OF BLOWING SNOW IN OPEN AREAS. AFTER DARK...WINDS WILL INCREASE TO 25 TO 35 MPH WHICH WILL PRODUCE WIDESPREAD BLOWING AND DRIFTING SNOW. VISIBILITIES WILL FALL BELOW ONE-QUARTER MILE AT TIMES LATE TONIGHT AND WEDNESDAY MORNING...ESPECIALLY IN OPEN AREAS. WIND CHILL VALUES OF 15 TO 25 DEGREES BELOW ZERO CAN BE EXPECTED BY WEDNESDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ MNZ072-080-081-097-098-SDZ056-062-066-067-069-090045- /O.EXT.KFSD.WW.Y.0022.000000T0000Z-091209T1800Z/ LYON-MURRAY-COTTONWOOD-PIPESTONE-ROCK-MOODY-MINNEHAHA-TURNER- LINCOLN-YANKTON- INCLUDING THE CITIES OF...MARSHALL...SLAYTON...FULDA...WINDOM... MOUNTAIN LAKE...PIPESTONE...LUVERNE...FLANDREAU...SIOUX FALLS... PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR... CANTON...LENNOX...TEA...HARRISBURG...YANKTON 1045 AM CST TUE DEC 8 2009 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL NOON CST WEDNESDAY... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL NOON CST WEDNESDAY. SNOWFALL WILL CONTINUE THROUGH TONIGHT. THE HEAVIEST SNOWFALL IS EXPECTED THIS AFTERNOON AND EVENING...TAPERING OFF AFTER MIDNIGHT. TOTAL SNOWFALL OF 4 TO 7 INCHES IS EXPECTED. NORTHERLY WINDS WILL INCREASE TO 15 TO 30 MPH BY LATE THIS AFTERNOON. AFTER DARK...WINDS WILL INCREASE TO 25 TO 35 MPH...WHICH WILL PRODUCE WIDESPREAD BLOWING AND DRIFTING SNOW. THIS WILL REDUCE VISIBILITIES BELOW ONE HALF MILE AT TIMES THROUGH WEDNESDAY MORNING. BY WEDNESDAY MORNING...WIND CHILLS VALUES OF 20 TO 30 DEGREES BELOW ZERO CAN BE EXPECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR FURTHER DETAILS OR UPDATES. && $$ SDZ050-061-063>065-068-090045- /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 1045 AM 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. && $$ MNZ071-SDZ038>040-052>055-057>060-090045- /O.CON.KFSD.WW.Y.0022.000000T0000Z-091209T1200Z/ LINCOLN-BEADLE-KINGSBURY-BROOKINGS-JERAULD-SANBORN-MINER-LAKE- BRULE-AURORA-DAVISON-HANSON- INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON... IVANHOE...HURON...DE SMET...ARLINGTON...LAKE PRESTON... BROOKINGS...WESSINGTON SPRINGS...ALPENA...WOONSOCKET...HOWARD... MADISON...CHAMBERLAIN...KIMBALL...PLANKINTON...WHITE LAKE... STICKNEY...MITCHELL...ALEXANDRIA...EMERY 1045 AM CST TUE DEC 8 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST WEDNESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST WEDNESDAY. SNOW WILL CONTINUE ACROSS THE AREA THIS AFTERNOON... GRADUALLY ENDING AROUND MIDNIGHT. TOTAL SNOWFALL OF 3 TO 5 INCHES IS EXPECTED...WITH THE HEAVIEST AMOUNTS CLOSER TO INTERSTATE 29 AND INTERSTATE 90. STRONG NORTHERLY WINDS OF 15 TO 30 MPH CAN ALSO BE EXPECTED TO DEVELOP BY LATE THIS AFTERNOON. AFTER DARK...WINDS WILL INCREASE TO 25 TO 35 MPH WHICH WILL PRODUCE WIDESPREAD BLOWING AND DRIFTING SNOW. THIS WILL ALSO RESULT IN WIND CHILL VALUES OF 20 TO 30 DEGREES BELOW ZERO BY LATE TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR FURTHER DETAILS OR UPDATES. && $$ SCHUMACHER
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
What forecasters said that day
The local office's own words before this winter storm 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 winter storm warning went out at Dec 7, 10:38 AM CST, 4 hours 21 minutes earlier.
Area forecast discussion, Dec 7, 10:38 AM CST, 4 hours 21 minutes before
AREA FORECAST DISCUSSION FOR SOUTHEAST SD/SOUTHWEST MN/NORTHWEST IA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1038 CST MON DEC 7 2009
.DISCUSSION...
JUST FRESHENED UP THE GRIDS AND ZFP TO ACCOUNT FOR CURRENT TRENDS.
OVERALL NO MAJOR PROBLEMS WITH THE GOING FCST HOWEVER. CLOUD COVER
IS KIND OF A MESS. WITH A LIGHT NLY FLOW...THE LOWER CLOUDS IN EAST
CENTRAL AND SERN SD ARE TRYING TO PUSH SOUTH TOWARD THE MO RIVER.
SOME OF THESE CLOUDS WL MAKE IT INTO OUR FAR SOUTH FOR THE AFTERNOON
HRS. IF THEY DO NOT...THEN NAM40 SNDGS SUGGEST ANOTHER SELF
DESTRUCTIVE SUNSHINE DAY. SO IF ANY CLEARING DOES TRY TO OCCUR THIS
AFTERNOON...IT COULD FILL IN AGAIN WITH CLOUDS. THAT IS HOW I AM
FORECASTING THE SKY COVER THIS AFTERNOON THRU THE FSD FA...WITH A
LOT OF WIDESPREAD MOSTLY CLOUDY OR PARTLY SUNNY GOING ON. THE
FLURRIES OF EARLIER THIS MORNING HAVE ABATED SOME. IT APPEARS THERE
WAS A MID LEVEL PV LOBE MOVG NEWD ACROSS THIS AREA...WHICH WEAKENS
CONSIDERABLY THIS AFTERNOON. ALTHOUGH ONE CANNOT TOTALLY RULE OUT A
FEW MORE FLURRIES THIS AFTERNOON...AT THIS POINT THEY WOULD BE SO
LIGHT THEY ARE REALLY NOT WORTH MENTIONING IN THE FORECAST. /MJF
&&
.AVIATION...
WHERE CLOUDS ARE PREVLANENT...MVFR CONDS WL PREVAIL UNDER THE
STRATUS THRU MIDDAY. NAM40 SNDGS SUGGEST MOIST LOW LEVELS LINGERING
THIS AFTERNOON WITH VERY COLD AIR ALOFT. THEREFORE THE CLEAR AREAS
IN THE FSD FA SHOULD BEGIN TO FILL IN EARLY THIS AFTERNOON WITH MVFR
STRATOCU. TONIGHT...STRONG STORM SYSTEM WILL BEGIN TO LIFT EWD INTO
THE CENTRAL PLAINS. THEREFORE WIDESPREAD MVFR CONDS ARE ONCE AGAIN
LIKELY TONIGHT...WITH SOME IFR VIS IN SNOW BECOMING PREVALANENT
ACROSS THE SOUTHERN AREAS OF THE FORECAST AREA...GENERALLY SOUTH OF
I 90 AS TONIGHT PROGRESSES. /MJF
&&
.PREV DISCUSSION...
LIGHT SNOW ACROSS ERN CWA TAPERING OFF AS DRIER AIR IN THE MID
LEVELS WORKS IN FM THE SW. SO FLURRIES SHUD END THIS MORNING. ALSO
DRY AIR ALOFT IS WORKING DOWN TO SFC AND CLEARING SKIES OUT ACRS FAR
SWRN CWA. MODELS DO PICK PU ON THE DRIER AIR WORKING IN FM ALOFT AND
WUD EXPECT SOME SUN ACRS CWA TODAY WITH THE SCOURING OUT OF THE LOW
CLOUDS. WL NOT WARM MUCH TODAY WITH THE COLD H925 TEMPS. WL HAVE A
HARD TIME GETTING OUT OF TEENS FOR HIGHS.
FOCUS SHIFTS TO LATER TONIGHT INTO TUES NIGHT AS FAIRLY POTENT S/W
MOVES QUICKLY ACRS THE CENTRL PLAINS ON TUES. WITH VERY COLD AIR IN
THE LOW LEVELS AND DECENT MID LEVEL FNTLGEN DEVELOPING ACRS SRN CWA
LATE TONIGHT AND TUES SHUD SEE A WDPRD AREA OF SNOW DEVELOPING ACRS
FAR SRN CWA TOWARDS 12Z TUES AND EXPANDING NWD ACRS CWA ON TUES.
DECENT ISENT LIFT...ESCPEC ACRS SERN CWA TUES AFTN AND NIGHT. WL BE
VERY EFFICIENT PRODUCING SNOW EVEN WITH STRONGER LOW LEVEL DYNAMICS
WELL S OF CWA. SNOW RATIO WL BE IN THE 15 TO 20:1 RATIO WITH DEEP
DENDRITIC LAYER. HEAVIEST SNOW SHUD BE ACRS SERN CWA TUES AFTN AND
NIGHT AND WUD NOT BE SUPRISED TO SEE 6 TO 8 INCHES OF SNOW SE OF A
SUX-SPW LINE. FURTHER NW WL TAPER OFF TO 2 TO 4 INCHES FM
YKN-FSD-MWM LINE. FURTHER NW OF THAT AREA...ISENT LIFT AND FNTGEN
MUCH WEAKER AND MORE OF A BROAD AREA OF LIGHT SNOW EXPECTED. GFS HAS
ITS TYPICAL HIGH BIAS QPF WITH THIS STORM..SO CAN CUT THAT IN HALF.
STILL WUD YIELD A QUARTER TO A THIRD OF AN INCH ACRS SERN HALF OF
CWA...WHICH IS STILL ENUF TO PRODUCE FCST SNOW AMOUNTS DUE THE HIGH
SNOW RATIO. SO WL KEEP WS WATCH GOING IN CURRENT AREA AND ISSUE
WINTER WX ADVY ALONG A YKN-FSD-MWM LINE TUES AND TUES NIGHT. AS SFC
LOW DEEPENS ACRS CNTRL PLAINS ON TUES...LOW LEVEL NELY FLOW WL
INCREASE TUES AFTN AND INCREASE AND BECOME QUITE WINDY OUT OF N TUES
NITE. WITH SUCH A HIGH SNOW RATIO...WL SEE QUITE A BIT OF BLOWING
SNOW ACRS ERN CWA. THE WORST OF THE WX CONDITIONS WL BE FM MID TO
LATE TUES AFTN THRU TUES NIGHT. HWVR...WITH SNOW STARTING IN THE
MORN...SEE TO REASON TO CHANGE START TIME OF HEADLINES...BUT LATER
SHIFTS CAN FINE TUNE START TIMES AS MODELS GET BETTER TIMING ON THE
WORST CONDITIONS. IN ADDITION TO THE WIND AND SNOW...STGER CAA WL
DEVELOP TUES NITE AND WILL SEE WINDS CHILLS DROPPING TO 5 BELOW TO
20 BELOW DURING THE NIGHT. THESE GUSTY WNDS WL PERSIST INTO
WED..EPEC ERN CWA WITH BULK OF SNOW ENDING BY 15Z ACRS FAR ERN CWA.
WL HAVE A HARD TIME RISING OUT OF THE SINGLE DIGITS FOR HIGHS ON
WED. WL REMAIN QUITE COLD THU AND FRI. WL SEE SUB ZERO LOWS THU MORN
ACRS MOST OF CWA. WNDS AND CLOUDS PBLY WL KEEP TEMPS FM TANKING TOO
MUCH...BUT WL NEED TO WATCH THIS AS MODELS TEND TO UNDER FCST THE
STRENGTH OF THE ARCTIC AIR. DID LOWER LOWS A FEW DEG...BUT MAY NOT
BE COLD ENUF AND IF CONDITIONS ARE JUST RIGHT...CUD SEE LOWS
APPROACHING -10 ACRS PORTIONS OF THE NRN CWA BY THU MORN.
WL LEAVE THU AND FRI DRY FOR NOW...BUT CAN NOT RULE OUT A FEW
FLURRIES THU AND FRI AS NW FLOW ALOFT PRODUCES A FEW WEAK S/WS.
MOISTURE IS LACKING SO WL BE HARD TO PRODUCE MUCH IF ANYTHING.
LOOKS LIKE TEMPS WL REMAIN WELL BLO NORM THRU NEXT WEEKEND WITH HIGH
TEMPS PBLY NOT REACHING 20.
&&
.FSD WATCHES/WARNINGS/ADVISORIES...
IA...WINTER WEATHER ADVISORY FROM 6 AM TUESDAY TO 6 AM CST WEDNESDAY
FOR IAZ001-002.
WINTER STORM WATCH FROM TUESDAY MORNING THROUGH LATE TUESDAY
NIGHT FOR IAZ003-012>014-020>022-031-032.
MN...WINTER WEATHER ADVISORY FROM 6 AM TUESDAY TO 6 AM CST WEDNESDAY
FOR MNZ080-081-089-090-097-098.
NE...WINTER STORM WATCH FROM TUESDAY MORNING THROUGH LATE TUESDAY
NIGHT FOR NEZ013-014.
SD...WINTER WEATHER ADVISORY FROM 6 AM TUESDAY TO 6 AM CST WEDNESDAY
FOR SDZ056-061-062-065>069.
WINTER STORM WATCH FROM TUESDAY MORNING THROUGH LATE TUESDAY
NIGHT FOR SDZ070-071.
&&Hazardous weather outlook, Dec 7, 4:22 AM CST, 10 hours 37 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SIOUX FALLS SD 0422 AM CST MON DEC 07 2009 SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098- IAZ001>003-012>014-020>022-031-032-NEZ013-014-081200- 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- 0422 AM CST MON DEC 07 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH DAKOTA... SOUTHWEST MINNESOTA...NORTHWEST IOWA...AND NORTHEAST NEBRASKA. .DAY ONE...TODAY AND TONIGHT WINTER WEATHER... LIGHT SNOW WILL DEVELOP MAINLY ALONG AND SOUTH OF MISSOURI RIVER LATE TONIGHT. SNOW ACCUMULATIONS BY TUESDAY MORNING ACROSS THAT AREA WILL BE AN INCH OR LESS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY WEATHER CONDITIONS WILL DETERIORATE ON TUESDAY AS SNOW BECOMES WIDESPREAD ACROSS MOST OF THE REGION...AS LOW PRESSURE INTENSIFIES ACROSS THE CENTRAL PLAINS AND MOVES NORTHEAST TUESDAY NIGHT. NORTHEAST WINDS WILL INCREASE ACROSS THE REGION TUESDAY AFTERNOON AND BECOME STRONG OUT OF THE NORTH TUESDAY NIGHT AND WILL CREATE WIDESPREAD BLOWING SNOW...ESPECIALLY EAST OF A TYNDALL TO BROOKINGS LINE. THE HEAVIEST SNOW IS EXPECTED ACROSS NORTHWEST IOWA TUESDAY INTO TUESDAY NIGHT WHERE 4 TO 8 INCHES OF SNOW WILL FALL. FURTHER NORTHWEST...ALONG A YANKTON TO SIOUX FALLS TO MARSHALL MINNESOTA LINE...2 TO 4 INCHES OF SNOW IS EXPECTED WITH THE BULK OF THE SNOW FALLING TUESDAY AFTERNOON AND NIGHT. FURTHER WEST...ONLY AN INCH OR TWO OF SNOW IS EXPECTED. IN ADDITION TO THE SNOW...BITTERLY COLD WIND CHILLS OF 5 BELOW TO 20 BELOW WILL OCCUR TUESDAY NIGHT INTO WEDNESDAY MORNING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT. && FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT WWW.WEATHER.GOV/SIOUXFALLS. THIS INCLUDES THE GRAPHICAL HAZARDOUS WEATHER OUTLOOK.
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 7, 3:39 AM CST | Winter Weather Advisory | FSD | Cottonwood, Jackson, Lincoln, Lyon, Murray, Nobles and 2 more | 49 hr |
Nearby
Winter Storm Warnings in Iowa, 2009Winter Storm Warnings in Nebraska, 2009Winter Storm Warnings in Minnesota, 2009Every winter storm 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.