Alert archive / South Dakota / Winter Storm Warnings in 2006
Winter Storm Warning 4, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this winter storm warning at Dec 20, 2006, 3:41 AM CST for 10 counties in South Dakota; Dixon County, Nebraska. It took effect at Dec 20, 2006, 6:00 PM CST. It was in force for 22 hr. 11 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, 2006, 3:41 AM CST (09:41 UTC)
- In effect from
- Dec 20, 2006, 6:00 PM CST
- Expired
- Dec 21, 2006, 3:42 PM CST
- In force
- 22 hr
- Issued by
- NWS Sioux Falls, SD
Counties Dixon County, NE, Bon Homme County, SD, Charles Mix County, SD, Clay County, SD, Douglas County, SD, Gregory County, SD, Hutchinson County, SD, Lincoln County, SD, Turner County, SD, Union County, SD, Yankton County, SD
The radar
The Sioux Falls radar (KFSD), 90 km from the middle of the area, began a volume at 09:43 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 21, 6:49 AM CST | SNOW 2 | Pickstown, SD | |
| Dec 21, 8:15 AM CST | SNOW 5 | Gregory, SD | |
| Dec 21, 8:20 AM CST | SNOW 2 | 12 Wnw Platte, SD | MEASURED IN ACADEMY |
| Dec 21, 8:28 AM CST | SNOW 7 | 14 Nnw Gregory, SD | |
| Dec 21, 9:57 AM CST | SNOW 0 | Yankton, SD | |
| Dec 21, 9:59 AM CST | SNOW 2 | Tyndall, SD | |
| Dec 21, 10:09 AM CST | SNOW 3 | Wagner, SD | |
| Dec 21, 10:16 AM CST | SNOW 4 | Pickstown, SD | |
| Dec 21, 10:24 AM CST | SNOW 3 | Armour, SD | |
| Dec 21, 10:32 AM CST | SNOW 2 | Parkston, SD | |
| Dec 21, 10:35 AM CST | SNOW 5 | 12 Wnw Platte, SD |
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 00:00Z, 9.7 hours before the alert went out and 212 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
- 2891 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 173 m²/s²
- 0-3 km storm-relative helicity
- 244 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 200941 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 341 AM CST WED DEC 20 2006 .AN AREA OF MAINLY RAIN WILL WORK NORTH THIS MORNING...AND SLOWLY DISSIPATE AS IT DOES. FOR A BRIEF PERIOD OF TIME EARLY THIS MORNING...TEMPERATURES COULD HOVER NEAR 32 DEGREES AS THE RAIN FALLS...CREATING A FEW SLICK SPOTS...BUT TEMPERATURES SHOULD RECOVER INTO THE MID 30S BY LATE MORNING. THE MAIN UPPER LEVEL LOW PRESSURE WILL MOVE INTO NEBRASKA TONIGHT...SPREADING AN AREA OF RAIN AND SNOW INTO FAR SOUTHERN SOUTH DAKOTA AND NORTHWEST IOWA. THE PRECIPITATION SHOULD CHANGE TO MAINLY SNOW FROM WEST TO EAST BETWEEN 900 PM AND 600 AM...WITH SOME OF THE SNOW BEING HEAVY AT TIMES. AS THE SNOW LIFTS NORTH ON THURSDAY...PORTIONS OF SOUTHWEST MINNESOTA COULD SEE A PERIOD OF FREEZING RAIN...BEFORE CHANGING TO ALL SNOW. MOST OF THE SNOW WILL BE EAST OF THE REGION BY FRIDAY MORNING. SDZ038>040-052-201045- /O.CAN.KFSD.WS.A.0007.061221T0600Z-061221T1800Z/ BEADLE-KINGSBURY-BROOKINGS-JERAULD- INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON... LAKE PRESTON...BROOKINGS...WESSINGTON SPRINGS...ALPENA 341 AM CST WED DEC 20 2006 ...WINTER STORM WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE WINTER STORM WATCH. SNOW IS EXPECTED TO DEVELOP LATE THURSDAY AFTERNOON AND CONTINUE INTO FRIDAY MORNING. AT THIS TIME...IT APPEARS THAT LESS THAN 2 INCHES OF ACCUMULATION IS EXPECTED. $$ SDZ063>071-201700- /O.UPG.KFSD.WS.A.0007.061221T0000Z-061221T1800Z/ /O.NEW.KFSD.WS.W.0004.061221T0000Z-061222T0000Z/ /O.CON.KFSD.ZR.Y.0005.061220T1200Z-061220T1700Z/ CHARLES MIX-DOUGLAS-HUTCHINSON-TURNER-LINCOLN-BON HOMME-YANKTON- CLAY-UNION- INCLUDING THE CITIES OF...WAGNER...PLATTE...LAKE ANDES...MARTY... ARMOUR...CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP... PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR... CANTON...LENNOX...TEA...HARRISBURG...TYNDALL...SCOTLAND... SPRINGFIELD...AVON...TABOR...YANKTON...VERMILLION... NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON 341 AM CST WED DEC 20 2006 ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST THURSDAY... ...FREEZING RAIN ADVISORY REMAINS IN EFFECT UNTIL 11 AM CST THIS MORNING... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER STORM WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. A FREEZING RAIN ADVISORY REMAINS IN EFFECT UNTIL 11 AM CST THIS MORNING. RAIN WILL MOVE NORTH INTO SOUTHERN SOUTH DAKOTA THIS MORNING...AND WITH TEMPERATURES HOVERING NEAR 32 DEGREES...SOME OF THIS MAY BRIEFLY FREEZE TO THE GROUND. OVERALL...THE THREAT FOR WIDESPREAD FREEZING RAIN IS NOT EXPECTED....BUT A BRIEF PERIOD EARLY THIS MORNING WILL BE POSSIBLE. PRECIPITATION WILL INTENSIFY TONIGHT AND CONTINUE INTO THURSDAY MORNING. RAIN WILL CHANGE OVER TO SNOW...AND BE HEAVY AT TIMES. SNOWFALL AMOUNTS OF 5 TO 8 INCHES WILL BE LIKELY. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. A FREEZING RAIN ADVISORY MEANS THAT PERIODS OF FREEZING RAIN OR FREEZING DRIZZLE MAY CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING. $$ NEZ013-SDZ050-201745- /O.UPG.KFSD.WS.A.0007.061221T0000Z-061221T1800Z/ /O.NEW.KFSD.WS.W.0004.061221T0000Z-061222T0000Z/ DIXON-GREGORY- INCLUDING THE CITIES OF...WAKEFIELD...PONCA...ALLEN...GREGORY... BURKE 341 AM CST WED DEC 20 2006 ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST THURSDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER STORM WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. RAIN AND SNOW ARE EXPECTED TO INTENSIFY TONIGHT...AND CONTINUE INTO THURSDAY. THE BEST POTENTIAL FOR HEAVY SNOW WILL OCCUR BETWEEN MIDNIGHT AND 900 AM CST. BY FRIDAY MORNING...5 TO 8 INCHES OF SNOW WILL BE LIKELY. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IAZ001-012-MNZ098-SDZ060>062-201700- /O.UPG.KFSD.WS.A.0007.061221T0000Z-061221T1800Z/ /O.NEW.KFSD.WW.Y.0008.061221T0400Z-061222T0000Z/ /O.CON.KFSD.ZR.Y.0005.061220T1200Z-061220T1700Z/ LYON-SIOUX-ROCK-HANSON-MCCOOK-MINNEHAHA- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...ORANGE CITY...SIOUX CENTER...LUVERNE...ALEXANDRIA... EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...SIOUX FALLS 341 AM CST WED DEC 20 2006 ...FREEZING RAIN ADVISORY REMAINS IN EFFECT UNTIL 11 AM CST THIS MORNING... ...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 6 PM CST THURSDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 6 PM CST THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. A FREEZING RAIN ADVISORY REMAINS IN EFFECT UNTIL 11 AM CST THIS MORNING. RAIN WILL MOVE NORTH INTO SOUTHERN SOUTH DAKOTA THIS MORNING...AND WITH TEMPERATURES HOVERING NEAR 32 DEGREES...SOME OF THIS MAY BRIEFLY FREEZE TO THE GROUND. OVERALL...THE THREAT FOR WIDESPREAD FREEZING RAIN IS NOT EXPECTED....BUT A BRIEF PERIOD EARLY THIS MORNING WILL BE POSSIBLE. PRECIPITATION WILL INTENSIFY LATE TONIGHT AND CONTINUE INTO THURSDAY. RAIN WILL CHANGE OVER TO SNOW...AND BE HEAVY AT TIMES. SNOWFALL AMOUNTS OF 3 TO 6 INCHES WILL BE LIKELY. THE BEST WINDOW FOR ACCUMULATING SNOW SHOULD BE FROM ABOUT 600 AM CST TO NOON ON THURSDAY. ADDITIONAL LIGHTER SNOWFALL SHOULD CONTINUE INTO FRIDAY MORNING. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. A FREEZING RAIN ADVISORY MEANS THAT PERIODS OF FREEZING RAIN OR FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING. $$ IAZ020-031-NEZ014-SDZ057>059-201745- /O.UPG.KFSD.WS.A.0007.061221T0000Z-061221T1800Z/ /O.NEW.KFSD.WW.Y.0008.061221T0400Z-061222T0000Z/ PLYMOUTH-WOODBURY-DAKOTA-BRULE-AURORA-DAVISON- INCLUDING THE CITIES OF...LE MARS...SIOUX CITY... SOUTH SIOUX CITY...CHAMBERLAIN...KIMBALL...PLANKINTON... WHITE LAKE...STICKNEY...MITCHELL 341 AM CST WED DEC 20 2006 ...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 6 PM CST THURSDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 6 PM CST THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. PATCHY LIGHT RAIN WILL MOVE NORTH INTO SOUTHERN SOUTH DAKOTA AND WESTERN IOWA THIS MORNING. TEMPERATURES ARE EXPECTED TO REMAIN IN THE MID 30S...HOLDING OFF ANY THREAT FOR FREEZING RAIN. PRECIPITATION WILL INTENSIFY LATE WEDNESDAY NIGHT AND CONTINUE INTO THURSDAY. RAIN WILL CHANGE OVER TO SNOW...AND BE HEAVY AT TIMES. SNOWFALL AMOUNTS OF 3 TO 6 INCHES WILL BE LIKELY. THE BEST WINDOW FOR HEAVY SNOW SHOULD BE FROM ABOUT 600 AM CST TO NOON ON THURSDAY. ADDITIONAL LIGHTER SNOWFALL SHOULD CONTINUE INTO FRIDAY MORNING. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ SDZ053>056-201745- /O.UPG.KFSD.WS.A.0007.061221T0600Z-061221T1800Z/ /O.NEW.KFSD.WW.Y.0008.061221T0900Z-061222T0600Z/ SANBORN-MINER-LAKE-MOODY- INCLUDING THE CITIES OF...WOONSOCKET...HOWARD...MADISON... FLANDREAU 341 AM CST WED DEC 20 2006 ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM THURSDAY TO MIDNIGHT CST THURSDAY NIGHT... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY...WHICH IS IN EFFECT FROM 3 AM THURSDAY TO MIDNIGHT CST THURSDAY NIGHT. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. AN AREA OF RAIN AND SNOW WILL MOVE INTO THE AREA LATE TONIGHT AND CONTINUE INTO THURSDAY NIGHT. THE PRECIPITATION SHOULD BE ALL SNOW BY 600 AM CST...WITH THE BEST POTENTIAL FOR ACCUMULATING SNOW FROM 900 AM CST THROUGH 300 PM CST. TOTAL SNOW ACCUMULATIONS SHOULD BE 2 TO 4 INCHES. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MNZ071-072-080-081-097-201745- /O.UPG.KFSD.WS.A.0007.061221T0600Z-061221T1800Z/ /O.NEW.KFSD.WW.Y.0008.061221T1200Z-061222T1200Z/ LINCOLN-LYON-MURRAY-COTTONWOOD-PIPESTONE- INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON... IVANHOE...MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE... PIPESTONE 341 AM CST WED DEC 20 2006 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM THURSDAY TO 6 AM CST FRIDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY...WHICH IS IN EFFECT FROM 6 AM THURSDAY TO 6 AM CST FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. AN AREA OF FREEZING RAIN AND SNOW WILL MOVE INTO THE AREA LATE TONIGHT...BECOMING ALL SNOW ON THURSDAY MORNING...AND CONTINUING INTO THURSDAY NIGHT. THE BEST POTENTIAL FOR ACCUMULATING SNOW SHOULD OCCUR FROM LATE THURSDAY MORNING INTO THURSDAY EVENING. TOTAL SNOW ACCUMULATIONS SHOULD BE 2 TO 4 INCHES WITH SOME LIGHT ICING POTENTIAL EARLY THURSDAY MORNING. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MNZ089-090-201745- /O.UPG.KFSD.WS.A.0007.061221T0000Z-061221T1800Z/ /O.NEW.KFSD.WW.Y.0008.061221T1200Z-061222T1200Z/ NOBLES-JACKSON- INCLUDING THE CITIES OF...WORTHINGTON...JACKSON...LAKEFIELD 341 AM CST WED DEC 20 2006 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM THURSDAY TO 6 AM CST FRIDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY...WHICH IS IN EFFECT FROM 6 AM THURSDAY TO 6 AM CST FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. AN AREA OF FREEZING RAIN AND SNOW WILL MOVE INTO THE AREA LATE TONIGHT...BECOMING ALL SNOW ON THURSDAY MORNING...AND CONTINUING INTO THURSDAY NIGHT. THE BEST POTENTIAL FOR ACCUMULATING SNOW SHOULD OCCUR FROM LATE THURSDAY MORNING INTO THURSDAY EVENING. TOTAL SNOW ACCUMULATIONS SHOULD BE 2 TO 4 INCHES WITH SOME LIGHT ICING POTENTIAL EARLY THURSDAY MORNING. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IAZ002-003-013-014-201745- /O.UPG.KFSD.WS.A.0007.061221T0000Z-061221T1800Z/ /O.NEW.KFSD.WW.Y.0008.061221T0900Z-061222T0600Z/ OSCEOLA-DICKINSON-OBRIEN-CLAY- INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD... ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER 341 AM CST WED DEC 20 2006 ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM THURSDAY TO MIDNIGHT CST THURSDAY NIGHT... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY...WHICH IS IN EFFECT FROM 3 AM THURSDAY TO MIDNIGHT CST THURSDAY NIGHT. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. AN AREA OF FREEZING RAIN AND SNOW WILL DEVELOP AFTER MIDNIGHT...BECOMING ALL SNOW ON THURSDAY MORNING...AND CONTINUING INTO THURSDAY NIGHT. THE BEST POTENTIAL FOR ACCUMULATING SNOW SHOULD OCCUR FROM LATE THURSDAY MORNING INTO THURSDAY EVENING. TOTAL SNOW ACCUMULATIONS SHOULD BE 2 TO 4 INCHES WITH SOME LIGHT ICING POTENTIAL EARLY THURSDAY MORNING. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IAZ021-022-032-201745- /O.NEW.KFSD.WW.Y.0008.061221T0900Z-061222T0600Z/ CHEROKEE-BUENA VISTA-IDA- INCLUDING THE CITIES OF...CHEROKEE...STORM LAKE...IDA GROVE... HOLSTEIN...BATTLE CREEK 341 AM CST WED DEC 20 2006 ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM THURSDAY TO MIDNIGHT CST THURSDAY NIGHT... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY...WHICH IS IN EFFECT FROM 3 AM THURSDAY TO MIDNIGHT CST THURSDAY NIGHT. AN AREA OF FREEZING RAIN AND SNOW WILL DEVELOP AFTER MIDNIGHT...BECOMING ALL SNOW ON THURSDAY MORNING...AND CONTINUING INTO THURSDAY NIGHT. THE BEST POTENTIAL FOR ACCUMULATING SNOW SHOULD OCCUR FROM LATE THURSDAY MORNING INTO THURSDAY EVENING. TOTAL SNOW ACCUMULATIONS SHOULD BE 2 TO 4 INCHES WITH SOME LIGHT ICING POTENTIAL EARLY THURSDAY MORNING. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ 08
8 follow-up statements
000 WWUS43 KFSD 201321 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 721 AM CST WED DEC 20 2006 .AN AREA OF MAINLY RAIN WILL WORK NORTH THIS MORNING...AND SLOWLY DISSIPATE AS IT DOES. FOR A BRIEF PERIOD OF TIME...TEMPERATURES COULD HOVER NEAR 32 DEGREES AS THE RAIN FALLS...CREATING A FEW SLICK SPOTS...BUT TEMPERATURES SHOULD RECOVER INTO THE MID 30S BY LATE MORNING. THE MAIN UPPER LEVEL LOW PRESSURE WILL MOVE INTO NEBRASKA TONIGHT...SPREADING AN AREA OF RAIN AND SNOW INTO FAR SOUTHERN SOUTH DAKOTA AND NORTHWEST IOWA. THE PRECIPITATION SHOULD CHANGE TO MAINLY SNOW FROM WEST TO EAST BETWEEN 900 PM AND 600 AM...WITH SOME OF THE SNOW BEING HEAVY AT TIMES. AS THE SNOW LIFTS NORTH ON THURSDAY...PORTIONS OF SOUTHWEST MINNESOTA COULD SEE A PERIOD OF FREEZING RAIN...BEFORE CHANGING TO ALL SNOW. MOST OF THE SNOW WILL BE EAST OF THE REGION BY FRIDAY MORNING. SDZ063>071-201700- /O.CON.KFSD.WS.W.0004.061221T0000Z-061222T0000Z/ /O.CON.KFSD.ZR.Y.0005.000000T0000Z-061220T1700Z/ CHARLES MIX-DOUGLAS-HUTCHINSON-TURNER-LINCOLN-BON HOMME-YANKTON- CLAY-UNION- INCLUDING THE CITIES OF...WAGNER...PLATTE...LAKE ANDES...MARTY... ARMOUR...CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP... PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR... CANTON...LENNOX...TEA...HARRISBURG...TYNDALL...SCOTLAND... SPRINGFIELD...AVON...TABOR...YANKTON...VERMILLION... NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON 721 AM CST WED DEC 20 2006 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST THURSDAY... ...FREEZING RAIN ADVISORY REMAINS IN EFFECT UNTIL 11 AM CST THIS MORNING... A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST THURSDAY. A FREEZING RAIN ADVISORY REMAINS IN EFFECT UNTIL 11 AM CST THIS MORNING. RAIN WILL MOVE NORTH INTO SOUTHERN SOUTH DAKOTA THIS MORNING... AND WITH TEMPERATURES HOVERING NEAR 32 DEGREES...SOME OF THIS MAY BRIEFLY FREEZE TO THE GROUND. OVERALL...THE THREAT FOR WIDESPREAD FREEZING RAIN IS NOT EXPECTED....BUT A BRIEF PERIOD EARLY THIS MORNING WILL BE POSSIBLE. PRECIPITATION WILL INTENSIFY TONIGHT AND CONTINUE INTO THURSDAY MORNING. RAIN WILL CHANGE OVER TO SNOW...AND BE HEAVY AT TIMES. SNOWFALL AMOUNTS OF 5 TO 8 INCHES WILL BE LIKELY. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. A FREEZING RAIN ADVISORY MEANS THAT PERIODS OF FREEZING RAIN OR FREEZING DRIZZLE MAY CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING. $$ NEZ013-SDZ050-202130- /O.CON.KFSD.WS.W.0004.061221T0000Z-061222T0000Z/ DIXON-GREGORY- INCLUDING THE CITIES OF...WAKEFIELD...PONCA...ALLEN...GREGORY... BURKE 721 AM CST WED DEC 20 2006 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST THURSDAY. RAIN AND SNOW ARE EXPECTED TO INTENSIFY TONIGHT...AND CONTINUE INTO THURSDAY. THE BEST POTENTIAL FOR HEAVY SNOW WILL OCCUR BETWEEN MIDNIGHT AND 900 AM CST. BY FRIDAY MORNING...5 TO 8 INCHES OF SNOW WILL BE LIKELY. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IAZ020-201700- /O.EXA.KFSD.ZR.Y.0005.000000T0000Z-061220T1700Z/ /O.CON.KFSD.WW.Y.0008.061221T0400Z-061222T0000Z/ PLYMOUTH- INCLUDING THE CITY OF...LE MARS 721 AM CST WED DEC 20 2006 ...FREEZING RAIN ADVISORY IN EFFECT UNTIL 11 AM CST THIS MORNING... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 6 PM CST THURSDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A FREEZING RAIN ADVISORY...WHICH IS IN EFFECT UNTIL 11 AM CST THIS MORNING. A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 6 PM CST THURSDAY. RAIN WILL MOVE NORTH INTO SOUTHERN SOUTH DAKOTA THIS MORNING... AND WITH TEMPERATURES HOVERING NEAR 32 DEGREES...SOME OF THIS MAY CREATE PATCHY ICE ON SOME OF THE AREA ROADWAYS. OVERALL...THE THREAT FOR WIDESPREAD FREEZING RAIN IS NOT EXPECTED....BUT A BRIEF PERIOD EARLY THIS MORNING WILL BE POSSIBLE. PRECIPITATION WILL INTENSIFY TONIGHT AND CONTINUE INTO THURSDAY MORNING. RAIN WILL CHANGE OVER TO SNOW...AND BE HEAVY AT TIMES. SNOWFALL AMOUNTS OF 5 TO 8 INCHES WILL BE LIKELY. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. A FREEZING RAIN ADVISORY MEANS THAT PERIODS OF FREEZING RAIN OR FREEZING DRIZZLE MAY CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING. $$ IAZ001-012-MNZ098-SDZ060>062-201700- /O.CON.KFSD.ZR.Y.0005.000000T0000Z-061220T1700Z/ /O.CON.KFSD.WW.Y.0008.061221T0400Z-061222T0000Z/ LYON-SIOUX-ROCK-HANSON-MCCOOK-MINNEHAHA- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...ORANGE CITY...SIOUX CENTER...LUVERNE...ALEXANDRIA... EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...SIOUX FALLS 721 AM CST WED DEC 20 2006 ...FREEZING RAIN ADVISORY REMAINS IN EFFECT UNTIL 11 AM CST THIS MORNING... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 6 PM CST THURSDAY... A FREEZING RAIN ADVISORY REMAINS IN EFFECT UNTIL 11 AM CST THIS MORNING. A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 6 PM CST THURSDAY. RAIN WILL MOVE NORTH INTO SOUTHERN SOUTH DAKOTA THIS MORNING... AND WITH TEMPERATURES HOVERING NEAR 32 DEGREES...SOME OF THIS MAY BRIEFLY FREEZE TO THE GROUND. OVERALL...THE THREAT FOR WIDESPREAD FREEZING RAIN IS NOT EXPECTED....BUT A BRIEF PERIOD EARLY THIS MORNING WILL BE POSSIBLE. PRECIPITATION WILL INTENSIFY LATE TONIGHT AND CONTINUE INTO THURSDAY. RAIN WILL CHANGE OVER TO SNOW...AND BE HEAVY AT TIMES. SNOWFALL AMOUNTS OF 3 TO 6 INCHES WILL BE LIKELY. THE BEST WINDOW FOR ACCUMULATING SNOW SHOULD BE FROM ABOUT 600 AM CST TO NOON ON THURSDAY. ADDITIONAL LIGHTER SNOWFALL SHOULD CONTINUE INTO FRIDAY MORNING. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. A FREEZING RAIN ADVISORY MEANS THAT PERIODS OF FREEZING RAIN OR FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING. $$ IAZ031-NEZ014-SDZ057>059-202130- /O.CON.KFSD.WW.Y.0008.061221T0400Z-061222T0000Z/ WOODBURY-DAKOTA-BRULE-AURORA-DAVISON- INCLUDING THE CITIES OF...SIOUX CITY...SOUTH SIOUX CITY... CHAMBERLAIN...KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY... MITCHELL 721 AM CST WED DEC 20 2006 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 6 PM CST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 6 PM CST THURSDAY. PATCHY LIGHT RAIN WILL MOVE NORTH INTO SOUTHERN SOUTH DAKOTA AND WESTERN IOWA THIS MORNING. TEMPERATURES ARE EXPECTED TO REMAIN IN THE MID 30S...HOLDING OFF ANY THREAT FOR FREEZING RAIN. PRECIPITATION WILL INTENSIFY LATE WEDNESDAY NIGHT AND CONTINUE INTO THURSDAY. RAIN WILL CHANGE OVER TO SNOW...AND BE HEAVY AT TIMES. SNOWFALL AMOUNTS OF 3 TO 6 INCHES WILL BE LIKELY. THE BEST WINDOW FOR HEAVY SNOW SHOULD BE FROM ABOUT 600 AM CST TO NOON ON THURSDAY. ADDITIONAL LIGHTER SNOWFALL SHOULD CONTINUE INTO FRIDAY MORNING. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ SDZ053>056-202130- /O.CON.KFSD.WW.Y.0008.061221T0900Z-061222T0600Z/ SANBORN-MINER-LAKE-MOODY- INCLUDING THE CITIES OF...WOONSOCKET...HOWARD...MADISON... FLANDREAU 721 AM CST WED DEC 20 2006 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 AM THURSDAY TO MIDNIGHT CST THURSDAY NIGHT... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 AM THURSDAY TO MIDNIGHT CST THURSDAY NIGHT. AN AREA OF RAIN AND SNOW WILL MOVE INTO THE AREA LATE TONIGHT AND CONTINUE INTO THURSDAY NIGHT. THE PRECIPITATION SHOULD BE ALL SNOW BY 600 AM CST...WITH THE BEST POTENTIAL FOR ACCUMULATING SNOW FROM 900 AM CST THROUGH 300 PM CST. TOTAL SNOW ACCUMULATIONS SHOULD BE 2 TO 4 INCHES. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MNZ071-072-080-081-089-090-097-202130- /O.CON.KFSD.WW.Y.0008.061221T1200Z-061222T1200Z/ LINCOLN-LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-PIPESTONE- INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON... IVANHOE...MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE... WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE 721 AM CST WED DEC 20 2006 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM THURSDAY TO 6 AM CST FRIDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM THURSDAY TO 6 AM CST FRIDAY. AN AREA OF FREEZING RAIN AND SNOW WILL MOVE INTO THE AREA LATE TONIGHT...BECOMING ALL SNOW ON THURSDAY MORNING...AND CONTINUING INTO THURSDAY NIGHT. THE BEST POTENTIAL FOR ACCUMULATING SNOW SHOULD OCCUR FROM LATE THURSDAY MORNING INTO THURSDAY EVENING. TOTAL SNOW ACCUMULATIONS SHOULD BE 2 TO 4 INCHES WITH SOME LIGHT ICING POTENTIAL EARLY THURSDAY MORNING. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IAZ002-003-013-014-021-022-032-202130- /O.CON.KFSD.WW.Y.0008.061221T0900Z-061222T0600Z/ OSCEOLA-DICKINSON-OBRIEN-CLAY-CHEROKEE-BUENA VISTA-IDA- INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD... ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER...CHEROKEE... STORM LAKE...IDA GROVE...HOLSTEIN...BATTLE CREEK 721 AM CST WED DEC 20 2006 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 AM THURSDAY TO MIDNIGHT CST THURSDAY NIGHT... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 AM THURSDAY TO MIDNIGHT CST THURSDAY NIGHT. AN AREA OF FREEZING RAIN AND SNOW WILL DEVELOP AFTER MIDNIGHT... BECOMING ALL SNOW ON THURSDAY MORNING...AND CONTINUING INTO THURSDAY NIGHT. THE BEST POTENTIAL FOR ACCUMULATING SNOW SHOULD OCCUR FROM LATE THURSDAY MORNING INTO THURSDAY EVENING. TOTAL SNOW ACCUMULATIONS SHOULD BE 2 TO 4 INCHES WITH SOME LIGHT ICING POTENTIAL EARLY THURSDAY MORNING. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ BT/JL
000 WWUS43 KFSD 201646 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 1046 AM CST WED DEC 20 2006 .A STRONG STORM SYSTEM WILL CONTINUE TO AFFECT THE AREA OVER THE NEXT 24 TO 36 HOURS. LIGHT RAIN WILL CONTINUE TO FALL THIS AFTERNOON ACROSS SOUTHEASTERN SOUTH DAKOTA AND PORTIONS OF NORTHWEST IOWA. THE MAIN AREA OF PRECIPITATION WILL MOVE INTO NEBRASKA TONIGHT...SPREADING AN AREA OF RAIN AND SNOW INTO FAR SOUTHERN SOUTH DAKOTA AND NORTHWEST IOWA. THE PRECIPITATION SHOULD CHANGE TO MAINLY SNOW FROM WEST TO EAST BETWEEN 900 PM AND 600 AM...WITH SOME OF THE SNOW BEING HEAVY AT TIMES. AS THE SNOW LIFTS NORTH ON THURSDAY...PORTIONS OF SOUTHWEST MINNESOTA COULD SEE A PERIOD OF FREEZING RAIN...BEFORE CHANGING TO ALL SNOW. MOST OF THE SNOW WILL BE EAST OF THE REGION BY FRIDAY MORNING. SDZ063>071-210100- /O.CAN.KFSD.ZR.Y.0005.000000T0000Z-061220T1700Z/ /O.CON.KFSD.WS.W.0004.061221T0000Z-061222T0000Z/ CHARLES MIX-DOUGLAS-HUTCHINSON-TURNER-LINCOLN-BON HOMME-YANKTON- CLAY-UNION- INCLUDING THE CITIES OF...WAGNER...PLATTE...LAKE ANDES...MARTY... ARMOUR...CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP... PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR... CANTON...LENNOX...TEA...HARRISBURG...TYNDALL...SCOTLAND... SPRINGFIELD...AVON...TABOR...YANKTON...VERMILLION... NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON 1046 AM CST WED DEC 20 2006 ...FREEZING RAIN ADVISORY IS CANCELLED... ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST THURSDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE FREEZING RAIN ADVISORY. A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST THURSDAY. TEMPERATURES HAVE WARMED AND ARE EXPECTED TO REMAIN ABOVE FREEZING THROUGH THE REMAINDER OF THE DAY. HOWEVER...LIGHT RAIN WILL CONTINUE TO FALL THROUGHOUT THE AFTERNOON HOURS. PRECIPITATION WILL RE-INTENSIFY TONIGHT AND CONTINUE INTO THURSDAY MORNING. RAIN WILL CHANGE OVER TO SNOW...AND BE HEAVY AT TIMES. SNOWFALL AMOUNTS OF 5 TO 8 INCHES CAN BE EXPECTED. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IAZ001-012-020-MNZ098-SDZ060>062-210100- /O.CAN.KFSD.ZR.Y.0005.000000T0000Z-061220T1700Z/ /O.CON.KFSD.WW.Y.0008.061221T0400Z-061222T0000Z/ LYON-SIOUX-PLYMOUTH-ROCK-HANSON-MCCOOK-MINNEHAHA- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...ORANGE CITY...SIOUX CENTER...LE MARS...LUVERNE... ALEXANDRIA...EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE... SIOUX FALLS 1046 AM CST WED DEC 20 2006 ...FREEZING RAIN ADVISORY IS CANCELLED... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 6 PM CST THURSDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE FREEZING RAIN ADVISORY. A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 6 PM CST THURSDAY. TEMPERATURES HAVE WARMED AND ARE EXPECTED TO REMAIN ABOVE FREEZING THROUGH THE REMAINDER OF THE DAY. PERIODS OF LIGHT RAIN CAN BE EXPECTED THROUGHOUT THE AFTERNOON HOURS. PRECIPITATION WILL INTENSIFY LATE TONIGHT AND CONTINUE INTO THURSDAY. RAIN WILL CHANGE OVER TO SNOW...AND BE HEAVY AT TIMES. SNOWFALL AMOUNTS OF 4 TO 7 INCHES CAN BE EXPECTED. THE BEST WINDOW FOR ACCUMULATING SNOW SHOULD BE FROM ABOUT 600 AM CST TO NOON ON THURSDAY. ADDITIONAL LIGHTER SNOWFALL SHOULD CONTINUE INTO FRIDAY MORNING. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ NEZ013-SDZ050-210100- /O.CON.KFSD.WS.W.0004.061221T0000Z-061222T0000Z/ DIXON-GREGORY- INCLUDING THE CITIES OF...WAKEFIELD...PONCA...ALLEN...GREGORY... BURKE 1046 AM CST WED DEC 20 2006 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST THURSDAY. RAIN AND SNOW ARE EXPECTED TO INTENSIFY TONIGHT...AND CONTINUE INTO THURSDAY. THE BEST POTENTIAL FOR HEAVY SNOW WILL OCCUR BETWEEN MIDNIGHT AND 900 AM CST. BY FRIDAY MORNING...5 TO 8 INCHES OF SNOW WILL BE LIKELY. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IAZ031-NEZ014-SDZ057>059-210100- /O.CON.KFSD.WW.Y.0008.061221T0400Z-061222T0000Z/ WOODBURY-DAKOTA-BRULE-AURORA-DAVISON- INCLUDING THE CITIES OF...SIOUX CITY...SOUTH SIOUX CITY... CHAMBERLAIN...KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY... MITCHELL 1046 AM CST WED DEC 20 2006 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 6 PM CST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 6 PM CST THURSDAY. PRECIPITATION WILL INTENSIFY LATE WEDNESDAY NIGHT AND CONTINUE INTO THURSDAY. RAIN WILL CHANGE OVER TO SNOW...AND BE HEAVY AT TIMES. SNOWFALL AMOUNTS OF 3 TO 6 INCHES WILL BE LIKELY. THE BEST WINDOW FOR HEAVY SNOW SHOULD BE FROM ABOUT 600 AM CST TO NOON ON THURSDAY. ADDITIONAL LIGHTER SNOWFALL SHOULD CONTINUE INTO FRIDAY MORNING. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ SDZ053>056-210100- /O.CON.KFSD.WW.Y.0008.061221T0900Z-061222T0600Z/ SANBORN-MINER-LAKE-MOODY- INCLUDING THE CITIES OF...WOONSOCKET...HOWARD...MADISON... FLANDREAU 1046 AM CST WED DEC 20 2006 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 AM THURSDAY TO MIDNIGHT CST THURSDAY NIGHT... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 AM THURSDAY TO MIDNIGHT CST THURSDAY NIGHT. AN AREA OF RAIN AND SNOW WILL MOVE INTO THE AREA LATE TONIGHT AND CONTINUE INTO THURSDAY NIGHT. THE PRECIPITATION SHOULD BE ALL SNOW BY 600 AM CST...WITH THE BEST POTENTIAL FOR ACCUMULATING SNOW FROM 900 AM CST THROUGH 300 PM CST. TOTAL SNOW ACCUMULATIONS SHOULD BE 2 TO 4 INCHES. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MNZ071-072-080-081-089-090-097-210100- /O.CON.KFSD.WW.Y.0008.061221T1200Z-061222T1200Z/ LINCOLN-LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-PIPESTONE- INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON... IVANHOE...MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE... WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE 1046 AM CST WED DEC 20 2006 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM THURSDAY TO 6 AM CST FRIDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM THURSDAY TO 6 AM CST FRIDAY. AN AREA OF FREEZING RAIN AND SNOW WILL MOVE INTO THE AREA LATE TONIGHT...BECOMING ALL SNOW ON THURSDAY MORNING...AND CONTINUING INTO THURSDAY NIGHT. THE BEST POTENTIAL FOR ACCUMULATING SNOW SHOULD OCCUR FROM LATE THURSDAY MORNING INTO THURSDAY EVENING. TOTAL SNOW ACCUMULATIONS SHOULD BE 2 TO 4 INCHES WITH SOME LIGHT ICING POTENTIAL EARLY THURSDAY MORNING. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IAZ002-003-013-014-021-022-032-210100- /O.CON.KFSD.WW.Y.0008.061221T0900Z-061222T0600Z/ OSCEOLA-DICKINSON-OBRIEN-CLAY-CHEROKEE-BUENA VISTA-IDA- INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD... ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER...CHEROKEE... STORM LAKE...IDA GROVE...HOLSTEIN...BATTLE CREEK 1046 AM CST WED DEC 20 2006 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 AM THURSDAY TO MIDNIGHT CST THURSDAY NIGHT... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 AM THURSDAY TO MIDNIGHT CST THURSDAY NIGHT. AN AREA OF FREEZING RAIN AND SNOW WILL DEVELOP AFTER MIDNIGHT... BECOMING ALL SNOW ON THURSDAY MORNING...AND CONTINUING INTO THURSDAY NIGHT. THE BEST POTENTIAL FOR ACCUMULATING SNOW SHOULD OCCUR FROM LATE THURSDAY MORNING INTO THURSDAY EVENING. TOTAL SNOW ACCUMULATIONS SHOULD BE 2 TO 4 INCHES WITH SOME LIGHT ICING POTENTIAL EARLY THURSDAY MORNING. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ BT
000 WWUS43 KFSD 202226 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 426 PM CST WED DEC 20 2006 .AFTER A BRIEF BREAK IN WINTRY CONDITIONS THIS AFTERNOON... CONDITIONS WILL DEGRADE ONCE AGAIN TONIGHT AND THURSDAY ACROSS THE REGION AS A LARGE STORM SYSTEM TAKES A LEISURELY TREK FROM EASTERN COLORADO THIS EVENING...THROUGH KANSAS AND INTO IOWA BY EARLY FRIDAY. ONE SIGNIFICANT CHANGE FROM EARLIER EXPECTATIONS IS A LOWER OVERALL THREAT FOR SIGNIFICANT FREEZING RAIN...WITH A TRANSITION FROM RAIN TO SNOW FOR MOST AREAS. WIDESPREAD LIGHT RAIN EARLY THIS EVENING WILL START TO CHANGE OVER TO SNOW ACROSS SOUTH CENTRAL SOUTH DAKOTA. THIS TRANSITION ZONE WILL SHIFT EASTWARD OVERNIGHT...WITH ANOTHER ENHANCE BAND OF PRECIPITATION SWINGING UP INTO THE MISSOURI RIVER CORRIDOR AFTER MIDNIGHT...LIFTING NORTHWARD THROUGH NORTHWEST IOWA...SOUTHWEST MINNESOTA...AND SOUTHEAST SOUTH DAKOTA THROUGH THURSDAY. THIS BAND WILL PRODUCE SNOW...HEAVY AT TIMES...ESPECIALLY ALONG AND SOUTH OF INTERSTATE 90 THROUGH SOUTH CENTRAL AND SOUTHEAST SOUTH DAKOTA. SNOW ACCUMULATIONS BY THURSDAY EVENING FROM 4 TO 7 INCHES WILL OCCUR ALONG AND SOUTH OF INTERSTATE 90 THROUGH MINNESOTA TO AROUND SIOUX FALLS...WITH HIGHER AMOUNTS FROM 6 TO 11 INCHES BACK TOWARD SOUTH CENTRAL SOUTH DAKOTA. SNOW ACCUMULATIONS WILL DROP OFF SHARPLY TO THE NORTH WITH DRY AIR IMPEDING GREATER AMOUNTS...AND ALSO TO THE SOUTH OF THE HEAVIER BAND DUE TO THE SLOWER TRANSITION TO SNOW ACROSS AREAS FROM SIOUX CITY TOWARD STORM LAKE. AS THE BAND OF HEAVIER SNOW LIFTS NORTHWARD...AREAS BEHIND THE BAND WILL LIKELY TRANSITION OVER TO A PERIOD OF DRIZZLE OR FREEZING DRIZZLE HEADING INTO THURSDAY NIGHT...WITH PERIODS OF MAINLY LIGHT SNOW LINGERING INTO FRIDAY. NEZ013-SDZ066-067-070-071-210630- /O.CAN.KFSD.WS.W.0004.061221T0000Z-061222T0000Z/ /O.EXB.KFSD.WW.Y.0008.061221T0900Z-061221T1800Z/ DIXON-TURNER-LINCOLN-CLAY-UNION- INCLUDING THE CITIES OF...WAKEFIELD...PONCA...ALLEN...PARKER... CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...CANTON... LENNOX...TEA...HARRISBURG...VERMILLION...NORTH SIOUX CITY... BERESFORD...ELK POINT...ALCESTER...JEFFERSON 426 PM CST WED DEC 20 2006 ...WINTER STORM WARNING IS CANCELLED... ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM TO 12 PM CST THURSDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY...WHICH IS IN EFFECT FROM 3 AM TO 12 PM CST THURSDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. PERIODS OF LIGHT RAIN ARE EXPECTED TO TRANSITION TO SNOW AFTER MIDNIGHT...WITH SNOW INCREASING LATE TONIGHT AND THURSDAY MORNING. SNOW WILL BE BRIEFLY HEAVY...WITH ACCUMULATIONS GENERALLY FROM 4 TO 7 INCHES. THERE MAY BE A BRIEF PERIOD OF FREEZING RAIN OR SLEET AROUND THE TRANSITION TONIGHT. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IAZ031-NEZ014-202330- /O.CAN.KFSD.WW.Y.0008.061221T0400Z-061222T0000Z/ WOODBURY-DAKOTA- INCLUDING THE CITIES OF...SIOUX CITY...SOUTH SIOUX CITY 426 PM CST WED DEC 20 2006 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE WINTER WEATHER ADVISORY. WARMER TEMPERATURES SHOULD ALLOW MUCH OF THE PRECIPITATION TO FALL AS RAIN TONIGHT. THERE SHOULD BE A BRIEF PERIOD OF SNOW THURSDAY MORNING ACCUMULATING TO AN INCH OR TWO...PERHAPS MIXED WITH A LITTLE FREEZING RAIN DURING TRANSITION FROM RAIN. $$ IAZ032-202330- /O.CAN.KFSD.WW.Y.0008.061221T0900Z-061222T0600Z/ IDA- INCLUDING THE CITIES OF...IDA GROVE...HOLSTEIN...BATTLE CREEK 426 PM CST WED DEC 20 2006 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE WINTER WEATHER ADVISORY. WARMER TEMPERATURES SHOULD ALLOW MUCH OF THE PRECIPITATION TO FALL AS RAIN TONIGHT. THERE SHOULD BE A BRIEF PERIOD OF SNOW THURSDAY MORNING ACCUMULATING TO AN INCH OR TWO...PERHAPS MIXED WITH A LITTLE FREEZING RAIN DURING TRANSITION FROM RAIN. $$ SDZ050-063>065-068-069-210630- /O.EXT.KFSD.WS.W.0004.061221T0000Z-061221T1800Z/ GREGORY-CHARLES MIX-DOUGLAS-HUTCHINSON-BON HOMME-YANKTON- INCLUDING THE CITIES OF...GREGORY...BURKE...WAGNER...PLATTE... LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT...PARKSTON... FREEMAN...MENNO...TRIPP...TYNDALL...SCOTLAND...SPRINGFIELD... AVON...TABOR...YANKTON 426 PM CST WED DEC 20 2006 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 12 PM CST THURSDAY... THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 12 PM CST THURSDAY. RAIN THIS EVENING WILL BEGIN TO TRANSITION OVER TO SNOW ACROSS SOUTH CENTRAL SOUTH DAKOTA THIS EVENING...WITH THE CHANGEOVER PROGRESSING SLOWLY EAST TOWARD THE JAMES VALLEY AFTER MIDNIGHT. PRECIPITATION WILL RE-INTENSIFY TONIGHT AND CONTINUE INTO THURSDAY MORNING. SNOW WILL BECOME HEAVY AT TIMES...WITH SNOWFALL ACCUMULATIONS EXPECTED FROM 6 TO 11 INCHES...GREATEST IN SOUTH CENTRAL SOUTH DAKOTA. THERE MAY ALSO BE A BRIEF PERIOD OF FREEZING RAIN DURING THE TRANSITION. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ SDZ053>062-210630- /O.EXT.KFSD.WW.Y.0008.061221T0900Z-061222T0000Z/ SANBORN-MINER-LAKE-MOODY-BRULE-AURORA-DAVISON-HANSON-MCCOOK- MINNEHAHA- INCLUDING THE CITIES OF...WOONSOCKET...HOWARD...MADISON... FLANDREAU...CHAMBERLAIN...KIMBALL...PLANKINTON...WHITE LAKE... STICKNEY...MITCHELL...ALEXANDRIA...EMERY...SALEM...CANISTOTA... BRIDGEWATER...MONTROSE...SIOUX FALLS 426 PM CST WED DEC 20 2006 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 3 AM TO 6 PM CST THURSDAY... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT FROM 3 AM TO 6 PM CST THURSDAY. AFTER A PERIOD OF LIGHT RAIN TONIGHT...A STRONGER BAND OF PRECIPITATION WILL LIFT NORTH LATE TONIGHT AND EARLY THURSDAY. THE RAIN WILL CHANGE TO SNOW LATE TONIGHT...WITH PERHAPS A BRIEF PERIOD OF FREEZING RAIN POSSIBLE. THE HEAVIEST SNOWFALL SHOULD OCCUR BETWEEN 6 AM AND 3 PM...LIFTING NORTHWARD FROM THE INTERSTATE 90 CORRIDOR. GREATEST ACCUMULATIONS OF 4 TO 7 INCHES WILL OCCUR TOWARD THE INTERSTATE 90 CORRIDOR...TAPERING TO AROUND 3 INCHES ALONG A LINE FROM FLANDREAU TO WOONSOCKET. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IAZ001>003-MNZ080-081-089-090-097-098-210630- /O.EXT.KFSD.WW.Y.0008.061221T1200Z-061222T0000Z/ LYON-OSCEOLA-DICKINSON-MURRAY-COTTONWOOD-NOBLES-JACKSON-PIPESTONE- ROCK- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK... SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...WORTHINGTON... JACKSON...LAKEFIELD...PIPESTONE...LUVERNE 426 PM CST WED DEC 20 2006 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 6 AM TO 6 PM CST THURSDAY... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT FROM 6 AM TO 6 PM CST THURSDAY. PERIODS OF LIGHT RAIN OVERNIGHT WILL BEGIN A SHIFT TO THE WINTRY FORM LATE. A BAND OF SNOW...BRIEFLY HEAVY...SHOULD LIFT ACROSS THE REGION ON THURSDAY...WITH THE MOST SIGNIFICANT ACCUMULATING FROM LATE THURSDAY MORNING INTO THURSDAY AFTERNOON. TOTAL SNOW ACCUMULATIONS SHOULD BE 3 TO 6 INCHES...WITH SOME LIGHT ICING POTENTIAL EARLY THURSDAY MORNING. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MNZ071-072-210630- /O.EXT.KFSD.WW.Y.0008.061221T1800Z-061222T0000Z/ LINCOLN-LYON- INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON... IVANHOE...MARSHALL 426 PM CST WED DEC 20 2006 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 12 PM TO 6 PM CST THURSDAY... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT FROM 12 PM TO 6 PM CST THURSDAY. AN INFLUX OF DRIER AIR SHOULD END THE SHORT TERM PRECIPITATION THIS EVENING...BUT WINTRY PRECIPITATION SHOULD MAKE A RETURN TOWARD MIDDAY THURSDAY. THERE MAY BE A BRIEF PERIOD OF RAIN OR FREEZING RAIN...BUT SNOW SHOULD BE THE PRIMARY FORM OF PRECIPITATION ON THURSDAY AFTERNOON...WITH ACCUMULATIONS EXPECTED TO VARY FROM AN INCH OR SO NORTH OF MARSHALL AND IVANHOE...TO 3 TO 4 INCHES FROM TYLER THROUGH TRACY. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IAZ012>014-020>022-210630- /O.EXT.KFSD.WW.Y.0008.061221T1200Z-061221T1800Z/ SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-BUENA VISTA- INCLUDING THE CITIES OF...ORANGE CITY...SIOUX CENTER...SHELDON... HARTLEY...SANBORN...SPENCER...LE MARS...CHEROKEE...STORM LAKE 426 PM CST WED DEC 20 2006 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 6 AM TO 12 PM CST THURSDAY... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT FROM 6 AM TO 12 PM CST THURSDAY. PERIODS OF LIGHT RAIN OVERNIGHT WILL BEGIN A SHIFT TO THE WINTRY FORM LATE. A BAND OF SNOW...BRIEFLY HEAVY...SHOULD LIFT ACROSS THE REGION ON THURSDAY...WITH THE MOST SIGNIFICANT ACCUMULATING SNOW THURSDAY MORNING. TOTAL SNOW ACCUMULATIONS SHOULD BE 2 TO 5 INCHES...WITH SOME LIGHT ICING POTENTIAL EARLY THURSDAY MORNING. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS43 KFSD 210431 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 1031 PM CST WED DEC 20 2006 .THE CENTER OF LARGE LOW PRESSURE SYSTEM WILL TRACK EAST THROUGH KANSAS TONIGHT AND TOMORROW...THEN ACROSS SOUTHERN IOWA THURSDAY NIGHT AND FRIDAY. THIS STORM SYSTEM WILL BRING A MIX A RAIN...SNOW...AND FREEZING RAIN TO PORTIONS OF THE CENTRAL AND NORTHERN PLAINS THE NEXT FEW DAYS. SDZ050-063>065-068-069-211245- /O.CON.KFSD.WS.W.0004.000000T0000Z-061221T1800Z/ GREGORY-CHARLES MIX-DOUGLAS-HUTCHINSON-BON HOMME-YANKTON- INCLUDING THE CITIES OF...GREGORY...BURKE...WAGNER...PLATTE... LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT...PARKSTON... FREEMAN...MENNO...TRIPP...TYNDALL...SCOTLAND...SPRINGFIELD... AVON...TABOR...YANKTON 1031 PM CST WED DEC 20 2006 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 12 PM CST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 12 PM CST THURSDAY. PERIODS OF RAIN...FREEZING RAIN...AND SNOW WILL SLOWLY CHANGE TO ALL SNOW OVERNIGHT TONIGHT. PRECIPITATION HAS DECREASED THIS EVENING...BUT IS EXPECTED TO INCREASE AGAIN AFTER MIDNIGHT. SNOW WILL BECOME HEAVY AT TIMES...WITH SNOWFALL ACCUMULATIONS EXPECTED FROM 5 TO 10 INCHES. GREATEST ACCUMULATION WILL BE INTO SOUTH CENTRAL SOUTH DAKOTA...NEAR AND WEST OF THE MISSOURI RIVER. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ SDZ053>062-211245- /O.CON.KFSD.WW.Y.0008.061221T0900Z-061222T0000Z/ SANBORN-MINER-LAKE-MOODY-BRULE-AURORA-DAVISON-HANSON-MCCOOK- MINNEHAHA- INCLUDING THE CITIES OF...WOONSOCKET...HOWARD...MADISON... FLANDREAU...CHAMBERLAIN...KIMBALL...PLANKINTON...WHITE LAKE... STICKNEY...MITCHELL...ALEXANDRIA...EMERY...SALEM...CANISTOTA... BRIDGEWATER...MONTROSE...SIOUX FALLS 1031 PM CST WED DEC 20 2006 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 AM TO 6 PM CST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 AM TO 6 PM CST THURSDAY. AS TEMPERATURES SLOWLY FALL TONIGHT...RAIN WILL CHANGE TO FREEZING RAIN...THEN GRADUALLY MIX WITH AND CHANGE TO SNOW THROUGH THURSDAY MORNING. ALTHOUGH RAIN AND FREEZING RAIN HAS DECREASED IN INTENSITY THIS EVENING...IT IS EXPECTED TO AGAIN INCREASE LATE TONIGHT. FREEZING RAIN WILL LIKELY CHANGE TO SNOW AFTER 6 AM...WITH THE HEAVIEST SNOWFALL BETWEEN 9 AM AND 3 PM. THE GREATEST ACCUMULATIONS OF 3 TO 6 INCHES ARE EXPECTED ALONG THE INTERSTATE 90 CORRIDOR...TAPERING TO AROUND 3 INCHES ALONG A LINE FROM FLANDREAU TO WOONSOCKET. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IAZ001>003-MNZ080-081-089-090-097-098-211245- /O.CON.KFSD.WW.Y.0008.061221T1200Z-061222T0000Z/ LYON-OSCEOLA-DICKINSON-MURRAY-COTTONWOOD-NOBLES-JACKSON-PIPESTONE- ROCK- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK... SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...WORTHINGTON... JACKSON...LAKEFIELD...PIPESTONE...LUVERNE 1031 PM CST WED DEC 20 2006 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM TO 6 PM CST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM TO 6 PM CST THURSDAY. AREAS OF RAIN AND FREEZING RAIN ARE EXPECTED TONIGHT AS TEMPERATURES WILL HOVER AROUND FREEZING. ALTHOUGH RAIN AND FREEZING RAIN HAS DECREASED IN INTENSITY THIS EVENING...IT IS EXPECTED TO AGAIN INCREASE LATE TONIGHT. RAIN AND FREEZING RAIN WILL LIKELY CHANGE TO SNOW AFTER 8 AM...WITH THE HEAVIEST SNOWFALL BETWEEN 9 AM AND 3 PM. THE GREATEST ACCUMULATIONS OF 2 TO 5 INCHES ARE EXPECTED ALONG THE INTERSTATE 90 CORRIDOR. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MNZ071-072-211245- /O.CON.KFSD.WW.Y.0008.061221T1800Z-061222T0000Z/ LINCOLN-LYON- INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON... IVANHOE...MARSHALL 1031 PM CST WED DEC 20 2006 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 12 PM TO 6 PM CST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 12 PM TO 6 PM CST THURSDAY. TEMPERATURES WILL SLOWLY FALL BELOW FREEZING TONIGHT...WITH AREAS OF FREEZING RAIN DEVELOPING AFTER 6 AM THURSDAY MORNING. FREEZING RAIN WILL LIKELY CHANGE TO SNOW AFTER 10 AM...WITH 1 TO 3 INCHES OF SNOW ACCUMULATION LIKELY THURSDAY AFTERNOON. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ NEZ013-SDZ066-067-070-071-211245- /O.CON.KFSD.WW.Y.0008.061221T0900Z-061221T1800Z/ DIXON-TURNER-LINCOLN-CLAY-UNION- INCLUDING THE CITIES OF...WAKEFIELD...PONCA...ALLEN...PARKER... CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...CANTON... LENNOX...TEA...HARRISBURG...VERMILLION...NORTH SIOUX CITY... BERESFORD...ELK POINT...ALCESTER...JEFFERSON 1031 PM CST WED DEC 20 2006 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 AM TO 12 PM CST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 AM TO 12 PM CST THURSDAY. PERIODS OF LIGHT RAIN AND FREEZING RAIN ARE EXPECTED TO MIX WITH SNOW LATE TONIGHT. A MIX OF FREEZING RAIN AND SNOW WILL BE POSSIBLE THROUGH MID MORNING THURSDAY...WITH SNOW INCREASING BY LATE THURSDAY MORNING. SNOW MAY BE HEAVY FOR A BRIEF PERIOD...WITH ACCUMULATIONS GENERALLY FROM 3 TO 6 INCHES. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IAZ012>014-020>022-211245- /O.CON.KFSD.WW.Y.0008.061221T1200Z-061221T1800Z/ SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-BUENA VISTA- INCLUDING THE CITIES OF...ORANGE CITY...SIOUX CENTER...SHELDON... HARTLEY...SANBORN...SPENCER...LE MARS...CHEROKEE...STORM LAKE 1031 PM CST WED DEC 20 2006 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM TO 12 PM CST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM TO 12 PM CST THURSDAY. PERIODS OF LIGHT RAIN AND FREEZING RAIN WILL MIX WITH SNOW LATE TONIGHT INTO EARLY THURSDAY MORNING. A BAND OF SNOW...BRIEFLY HEAVY...SHOULD LIFT ACROSS THE AREA ON THURSDAY...WITH THE MOST SIGNIFICANT ACCUMULATING SNOW DURING THE MID TO LATE MORNING HOURS THURSDAY. TOTAL SNOW ACCUMULATIONS SHOULD BE 1 TO 4 INCHES. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ SL/JH
000 WWUS43 KFSD 211008 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 408 AM CST THU DEC 21 2006 .LARGE LOW PRESSURE WILL MOVE NORTHEAST OVER KANSAS TODAY...THEN WEAKEN SLOWLY AS IT MOVES INTO SOUTHERN IOWA THIS EVENING. THIS LOW WILL CONTINUE TO SPREAD RAIN...FREEZING RAIN...AND SNOW OVER MOST OF SOUTHEAST SOUTH DAKOTA...SOUTHWEST MINNESOTA...AND NORTHWEST IOWA TODAY. THE PRECIPITATION IS EXPECTED TO DECREASE SLOWLY THIS AFTERNOON AND TONIGHT. SDZ065-068-069-211800- /O.CAN.KFSD.WS.W.0004.000000T0000Z-061221T1800Z/ /O.EXA.KFSD.WW.Y.0008.000000T0000Z-061221T1800Z/ HUTCHINSON-BON HOMME-YANKTON- INCLUDING THE CITIES OF...PARKSTON...FREEMAN...MENNO...TRIPP... TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON 408 AM CST THU DEC 21 2006 ...WINTER STORM WARNING IS CANCELLED... ...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON CST TODAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY...WHICH IS IN EFFECT UNTIL NOON CST TODAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. STEADY RAIN FALLING EARLY THIS MORNING MAY FREEZE ON SOME UNTREATED SURFACES. THE RAIN AND FREEZING RAIN IS EXPECTED TO MIX WITH OR CHANGE TO SNOW LATE THIS MORNING WITH SNOW POSSIBLY ACCUMULATING 1 TO 3 INCHES. PRECIPITATION IN THE FORM OF SNOW OR FREEZING DRIZZLE SHOULD DECREASE THIS AFTERNOON. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IAZ012>014-020>022-211115- /O.CAN.KFSD.WW.Y.0008.061221T1200Z-061221T1800Z/ SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-BUENA VISTA- INCLUDING THE CITIES OF...ORANGE CITY...SIOUX CENTER...SHELDON... HARTLEY...SANBORN...SPENCER...LE MARS...CHEROKEE...STORM LAKE 408 AM CST THU DEC 21 2006 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE WINTER WEATHER ADVISORY. SIGNIFICANT ACCUMULATIONS OF FREEZING RAIN OR SNOW ARE NO LONGER EXPECTED. RAIN IS EXPECTED TO CONTINUE THIS MORNING WITH A FEW ICY AREAS POSSIBLE ON UNTREATED SURFACES. $$ SDZ050-063-064-211800- /O.CON.KFSD.WS.W.0004.000000T0000Z-061221T1800Z/ GREGORY-CHARLES MIX-DOUGLAS- INCLUDING THE CITIES OF...GREGORY...BURKE...WAGNER...PLATTE... LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT 408 AM CST THU DEC 21 2006 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY. INCREASING RAIN AND FREEZING RAIN EARLY THIS MORNING IS EXPECTED TO QUICKLY CHANGE TO SNOW BY MID MORNING. SNOW ACCUMULATIONS OF 3 TO 6 INCHES ARE POSSIBLE AS THE SNOW BECOMES HEAVY FOR A FEW HOURS DURING THE MORNING. THE SNOW SHOULD DECREASE THIS AFTERNOON WITH ADDITIONAL LIGHT ACCUMULATIONS POSSIBLE. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ IAZ001>003-MNZ080-081-089-090-097-098-211815- /O.EXT.KFSD.WW.Y.0008.061221T1200Z-061222T0600Z/ LYON-OSCEOLA-DICKINSON-MURRAY-COTTONWOOD-NOBLES-JACKSON-PIPESTONE- ROCK- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK... SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...WORTHINGTON... JACKSON...LAKEFIELD...PIPESTONE...LUVERNE 408 AM CST THU DEC 21 2006 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL MIDNIGHT CST TONIGHT... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL MIDNIGHT CST TONIGHT. AREAS OF RAIN AND FREEZING RAIN ARE EXPECTED TO CONTINUE TODAY WITH TEMPERATURES CONTINUING TO HOVER AROUND FREEZING. ICING IS EXPECTED ESPECIALLY ON UNTREATED SURFACES. THE RAIN AND FREEZING RAIN MAY MIX WITH SNOW LATER TODAY AND EARLY TONIGHT. ANY SNOW ACCUMULATIONS SHOULD BE LIGHT...WITH THE MAIN PROBLEM BEING ICING. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MNZ071-072-211815- /O.EXT.KFSD.WW.Y.0008.061221T1800Z-061222T0600Z/ LINCOLN-LYON- INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON... IVANHOE...MARSHALL 408 AM CST THU DEC 21 2006 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM NOON TODAY TO MIDNIGHT CST TONIGHT... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT FROM NOON TODAY TO MIDNIGHT CST TONIGHT. PERIODS OF FREEZING RAIN AND SNOW ARE EXPECTED TO INCREASE SLOWLY LATE THIS MORNING. THE PRECIPITATION SHOULD BECOME STEADY THIS AFTERNOON...THEN SNOW OR FREEZING DRIZZLE IS EXPECTED FOR EARLY TONIGHT. SNOW ACCUMULATIONS THROUGH EARLY TONIGHT ARE EXPECTED TO BE AROUND AN INCH...WITH THE MAIN PROBLEM BEING ICING FROM FREEZING RAIN. TEMPERATURES ARE EXPECTED TO REMAIN NEAR FREEZING THROUGH THE DAY...THEN COOL VERY SLOWLY TONIGHT. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ SDZ053>062-211815- /O.CON.KFSD.WW.Y.0008.000000T0000Z-061222T0000Z/ SANBORN-MINER-LAKE-MOODY-BRULE-AURORA-DAVISON-HANSON-MCCOOK- MINNEHAHA- INCLUDING THE CITIES OF...WOONSOCKET...HOWARD...MADISON... FLANDREAU...CHAMBERLAIN...KIMBALL...PLANKINTON...WHITE LAKE... STICKNEY...MITCHELL...ALEXANDRIA...EMERY...SALEM...CANISTOTA... BRIDGEWATER...MONTROSE...SIOUX FALLS 408 AM CST THU DEC 21 2006 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON. RAIN...FREEZING RAIN...AND SNOW IS EXPECTED THIS MORNING AND THROUGH MOST OF THIS AFTERNOON. THE CHANGE TO SNOW MAY TAKE PLACE THIS MORNING FROM CHAMBERLAIN TO MITCHELL...AND LATE THIS MORNING OR EARLY AFTERNOON FROM MITCHELL TO SIOUX FALLS. ICING IS EXPECTED ON UNTREATED SURFACES...ESPECIALLY ON BRIDGES...DRIVEWAYS...AND SIDEWALKS. SNOW ACCUMULATIONS OF 2 TO 5 INCHES ARE POSSIBLE...WITH THE HIGHER AMOUNTS MAINLY FROM MITCHELL WEST. THE PRECIPITATION IS EXPECTED TO DECREASE DURING THE AFTERNOON. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ NEZ013-SDZ066-067-070-071-211800- /O.CON.KFSD.WW.Y.0008.000000T0000Z-061221T1800Z/ DIXON-TURNER-LINCOLN-CLAY-UNION- INCLUDING THE CITIES OF...WAKEFIELD...PONCA...ALLEN...PARKER... CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...CANTON... LENNOX...TEA...HARRISBURG...VERMILLION...NORTH SIOUX CITY... BERESFORD...ELK POINT...ALCESTER...JEFFERSON 408 AM CST THU DEC 21 2006 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY. RAIN THIS MORNING MAY FREEZE ON UNTREATED SURFACES. BRIDGES... DRIVEWAYS...AND SIDEWALKS MAY BECOME ESPECIALLY ICY. THE RAIN MAY MIX WITH SNOW BY NOON BUT LITTLE SNOW ACCUMULATION IS EXPECTED. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ WILLIAMS
000 WWUS43 KFSD 211529 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 929 AM CST THU DEC 21 2006 .LARGE LOW PRESSURE WILL MOVE NORTHEAST OVER KANSAS TODAY...THEN WEAKEN SLOWLY AS IT MOVES INTO SOUTHERN IOWA THIS EVENING. THIS LOW WILL CONTINUE TO SPREAD RAIN...FREEZING RAIN...AND SNOW OVER MOST OF SOUTHEAST SOUTH DAKOTA...SOUTHWEST MINNESOTA...AND NORTHWEST IOWA TODAY. THE PRECIPITATION IS EXPECTED TO DECREASE SLOWLY THIS AFTERNOON AND TONIGHT. SDZ050-063-064-211800- /O.CON.KFSD.WS.W.0004.000000T0000Z-061221T1800Z/ GREGORY-CHARLES MIX-DOUGLAS- INCLUDING THE CITIES OF...GREGORY...BURKE...WAGNER...PLATTE... LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT 929 AM CST THU DEC 21 2006 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY. SNOW ACCUMULATIONS OF 3 TO 6 INCHES ARE POSSIBLE AS THE SNOW BECOMES HEAVY FOR A FEW HOURS DURING THE MORNING. THE SNOW SHOULD DECREASE THIS AFTERNOON WITH ADDITIONAL LIGHT ACCUMULATIONS POSSIBLE. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ SDZ038>040-052-212330- /O.EXA.KFSD.WW.Y.0008.000000T0000Z-061222T0600Z/ BEADLE-KINGSBURY-BROOKINGS-JERAULD- INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON... LAKE PRESTON...BROOKINGS...WESSINGTON SPRINGS...ALPENA 929 AM CST THU DEC 21 2006 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY...WHICH IS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. FREEZING RAIN IS EXPECTED TO CONTINUE TODAY WITH TEMPERATURES REMAINING AROUND FREEZING. ICING IS EXPECTED ESPECIALLY ON UNTREATED SURFACES. FREEZING RAIN WILL GRADUALLY CHANGE OVER TO SNOW THIS AFTERNOON. UP TO 2 TENTHS OF AN INCH OF FREEZING RAIN IS POSSIBLE. IN ADDITION...SNOW ACCUMULATIONS OF UP TO 2 INCHES ARE POSSIBLE. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MNZ071-072-212330- /O.EXT.KFSD.WW.Y.0008.061221T1529Z-061222T0600Z/ LINCOLN-LYON- INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON... IVANHOE...MARSHALL 929 AM CST THU DEC 21 2006 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL MIDNIGHT CST TONIGHT... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL MIDNIGHT CST TONIGHT. FREEZING RAIN AND SNOW ARE EXPECTED TO CONTINUE TODAY WITH TEMPERATURES HOVERING AROUND FREEZING. ICING IS EXPECTED ESPECIALLY ON UNTREATED SURFACES. 1 TO 2 TENTHS OF AN INCH OF FREEZING RAIN IS LIKELY. IN ADDITION...SNOW ACCUMULATIONS OF 1 TO 2 INCHES CAN BE EXPECTED. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ SDZ053>062-212330- /O.CON.KFSD.WW.Y.0008.000000T0000Z-061222T0000Z/ SANBORN-MINER-LAKE-MOODY-BRULE-AURORA-DAVISON-HANSON-MCCOOK- MINNEHAHA- INCLUDING THE CITIES OF...WOONSOCKET...HOWARD...MADISON... FLANDREAU...CHAMBERLAIN...KIMBALL...PLANKINTON...WHITE LAKE... STICKNEY...MITCHELL...ALEXANDRIA...EMERY...SALEM...CANISTOTA... BRIDGEWATER...MONTROSE...SIOUX FALLS 929 AM CST THU DEC 21 2006 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON. RAIN...FREEZING RAIN...AND SNOW IS EXPECTED THIS MORNING INTO EARLY THIS AFTERNOON. ICING IS EXPECTED ON UNTREATED SURFACES...ESPECIALLY ON BRIDGES...DRIVEWAYS...AND SIDEWALKS. SNOW ACCUMULATIONS OF 1 TO 3 INCHES ARE POSSIBLE...WITH THE HIGHEST AMOUNTS MAINLY FROM MITCHELL WEST. THE PRECIPITATION IS EXPECTED TO DECREASE DURING THE AFTERNOON. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ IAZ001>003-MNZ080-081-089-090-097-098-212330- /O.CON.KFSD.WW.Y.0008.000000T0000Z-061222T0600Z/ LYON-OSCEOLA-DICKINSON-MURRAY-COTTONWOOD-NOBLES-JACKSON-PIPESTONE- ROCK- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK... SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...WORTHINGTON... JACKSON...LAKEFIELD...PIPESTONE...LUVERNE 929 AM CST THU DEC 21 2006 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. AREAS OF RAIN AND FREEZING RAIN ARE EXPECTED TO CONTINUE TODAY WITH TEMPERATURES CONTINUING TO HOVER AROUND FREEZING. ICING IS EXPECTED ESPECIALLY ON UNTREATED SURFACES. THE RAIN AND FREEZING RAIN MAY MIX WITH SNOW LATER TODAY AND EARLY TONIGHT. ANY SNOW ACCUMULATIONS SHOULD BE LIGHT...WITH THE MAIN PROBLEM BEING ICING. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ NEZ013-SDZ065>071-211800- /O.CON.KFSD.WW.Y.0008.000000T0000Z-061221T1800Z/ DIXON-HUTCHINSON-TURNER-LINCOLN-BON HOMME-YANKTON-CLAY-UNION- INCLUDING THE CITIES OF...WAKEFIELD...PONCA...ALLEN...PARKSTON... FREEMAN...MENNO...TRIPP...PARKER...CENTERVILLE...MARION... VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA... HARRISBURG...TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR... YANKTON...VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT... ALCESTER...JEFFERSON 929 AM CST THU DEC 21 2006 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY. FREEZING RAIN IS BEGINNING TO DECREASE THIS MORNING...HOWEVER AREAS OF FREEZING DRIZZLE ARE EXPECTED THROUGH THE MORNING HOURS. TEMPERATURES WILL HOLD AROUND FREEZING TODAY...KEEPING UNTREATED ROAD SURFACES SLIPPERY. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ LIEBL
000 WWUS43 KFSD 211806 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 1206 PM CST THU DEC 21 2006 .A LARGE LOW PRESSURE WILL MOVE NORTHEAST OVER KANSAS TODAY...THEN WEAKEN SLOWLY AS IT MOVES INTO SOUTHERN IOWA THIS EVENING. THIS LOW WILL CONTINUE TO SPREAD RAIN...FREEZING RAIN...AND SNOW OVER MOST OF SOUTHEAST SOUTH DAKOTA...SOUTHWEST MINNESOTA...AND NORTHWEST IOWA TODAY. THE PRECIPITATION IS EXPECTED TO DECREASE SLOWLY THIS AFTERNOON AND TONIGHT. SDZ050-063-064-211915- /O.CAN.KFSD.WS.W.0004.000000T0000Z-061221T1800Z/ GREGORY-CHARLES MIX-DOUGLAS- INCLUDING THE CITIES OF...GREGORY...BURKE...WAGNER...PLATTE... LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT 1206 PM CST THU DEC 21 2006 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE WINTER STORM WARNING. CONDITIONS WILL CONTINUE TO IMPROVE THIS AFTERNOON...WITH ONLY AREAS OF LIGHT SNOW EXPECTED. ADDITIONAL SNOW ACCUMULATIONS WILL BE GENERALLY BE LESS THAN 1 INCH. $$ SDZ055-056-061-062-211915- /O.CAN.KFSD.WW.Y.0008.000000T0000Z-061222T0000Z/ LAKE-MOODY-MCCOOK-MINNEHAHA- INCLUDING THE CITIES OF...MADISON...FLANDREAU...SALEM... CANISTOTA...BRIDGEWATER...MONTROSE...SIOUX FALLS 1206 PM CST THU DEC 21 2006 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE WINTER WEATHER ADVISORY. FREEZING RAIN AND SNOW HAS ENDED OVER MOST OF THE AREA THIS MORNING. HOWEVER...AREAS OF LIGHT FREEZING DRIZZLE ARE EXPECTED TO CONTINUE THROUGH THE AFTERNOON AND INTO THE EVENING HOURS. UNTREATED SURFACES WILL REMAIN SLIPPERY AS TEMPERATURES HOVER AROUND FREEZING. $$ NEZ013-SDZ065>071-211915- /O.CAN.KFSD.WW.Y.0008.000000T0000Z-061221T1800Z/ DIXON-HUTCHINSON-TURNER-LINCOLN-BON HOMME-YANKTON-CLAY-UNION- INCLUDING THE CITIES OF...WAKEFIELD...PONCA...ALLEN...PARKSTON... FREEMAN...MENNO...TRIPP...PARKER...CENTERVILLE...MARION... VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA... HARRISBURG...TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR... YANKTON...VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT... ALCESTER...JEFFERSON 1206 PM CST THU DEC 21 2006 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE WINTER WEATHER ADVISORY. FREEZING RAIN AND SNOW HAS ENDED OVER MOST OF THE AREA THIS MORNING. HOWEVER...AREAS OF LIGHT FREEZING DRIZZLE ARE EXPECTED TO CONTINUE THROUGH THE AFTERNOON AND INTO THE EVENING HOURS. UNTREATED ROAD SURFACES WILL REMAIN SLIPPERY AS TEMPERATURES HOVER AROUND FREEZING. $$ IAZ001>003-MNZ080-081-089-090-097-098-211915- /O.CAN.KFSD.WW.Y.0008.000000T0000Z-061222T0600Z/ LYON-OSCEOLA-DICKINSON-MURRAY-COTTONWOOD-NOBLES-JACKSON-PIPESTONE- ROCK- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK... SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...WORTHINGTON... JACKSON...LAKEFIELD...PIPESTONE...LUVERNE 1206 PM CST THU DEC 21 2006 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE WINTER WEATHER ADVISORY. FREEZING RAIN AND SNOW HAS ENDED OVER MOST OF THE AREA THIS MORNING. HOWEVER...AREAS OF LIGHT FREEZING DRIZZLE ARE EXPECTED TO CONTINUE THROUGH THE AFTERNOON AND INTO THE EVENING HOURS. UNTREATED ROAD SURFACES WILL REMAIN SLIPPERY AS TEMPERATURES HOVER AROUND FREEZING. $$ SDZ053-054-057>060-220000- /O.CON.KFSD.WW.Y.0008.000000T0000Z-061222T0000Z/ SANBORN-MINER-BRULE-AURORA-DAVISON-HANSON- INCLUDING THE CITIES OF...WOONSOCKET...HOWARD...CHAMBERLAIN... KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL... ALEXANDRIA...EMERY 1206 PM CST THU DEC 21 2006 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON. FREEZING RAIN AND SNOW IS BEGINNING TO TAPER OFF OVER THE AREA...THIS TREND WILL CONTINUE THE REMAIN ER OF THE AFTERNOON. NEW SNOW ACCUMULATIONS WILL BE LESS THAN ONE INCH...WITH ONLY MINIMAL AMOUNTS OF FREEZING RAIN POSSIBLE. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MNZ071-072-SDZ038>040-052-220215- /O.CON.KFSD.WW.Y.0008.000000T0000Z-061222T0600Z/ LINCOLN-LYON-BEADLE-KINGSBURY-BROOKINGS-JERAULD- INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON... IVANHOE...MARSHALL...HURON...DE SMET...ARLINGTON...LAKE PRESTON... BROOKINGS...WESSINGTON SPRINGS...ALPENA 1206 PM CST THU DEC 21 2006 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. FREEZING RAIN AND LIGHT SNOW IS EXPECTED TO CONTINUE TODAY WITH TEMPERATURES REMAINING AROUND FREEZING. ICING IS EXPECTED ESPECIALLY ON UNTREATED SURFACES. UP TO 2 TENTHS OF AN INCH OF FREEZING RAIN IS POSSIBLE. IN ADDITION...SNOW ACCUMULATIONS OF UP TO 2 INCHES ARE POSSIBLE. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ LIEBL
000 WWUS43 KFSD 212142 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 342 PM CST THU DEC 21 2006 .LOW PRESSURE WILL MOVE FROM CENTRAL KANSAS...TO SOUTH CENTRAL IOWA TONIGHT. ON THE BACKSIDE OF THIS LOW...PLENTY OF LOW LEVEL MOISTURE WILL BE AROUND TO PRODUCE AREAS OF FOG AND FREEZING DRIZZLE. SDZ065-068-069-220545- /O.CAN.KFSD.WS.W.0004.000000T0000Z-061222T0000Z/ /O.EXB.KFSD.WW.Y.0008.000000T0000Z-061222T1200Z/ HUTCHINSON-BON HOMME-YANKTON- INCLUDING THE CITIES OF...PARKSTON...FREEMAN...MENNO...TRIPP... TYNDALL...SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON 342 PM CST THU DEC 21 2006 ...WINTER STORM WARNING IS CANCELLED... ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM CST FRIDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY...WHICH IS IN EFFECT UNTIL 6 AM CST FRIDAY. AREAS OF FOG...WITH PERIODS OF DRIZZLE WILL BE FOUND IN EXTREME SOUTHEAST SOUTH DAKOTA THIS EVENING. THE PROBLEM WILL OCCUR AFTER THE EVENING HOURS...WHERE A COMBINATION OF FOG... WITH FREEZING MIST AND FREEZING DRIZZLE WILL CREATE ICY CONDITIONS ON UNTREATED SURFACES. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ SDZ050-063-064-212245- /O.CAN.KFSD.WS.W.0004.000000T0000Z-061222T0000Z/ GREGORY-CHARLES MIX-DOUGLAS- INCLUDING THE CITIES OF...GREGORY...BURKE...WAGNER...PLATTE... LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT 342 PM CST THU DEC 21 2006 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE WINTER STORM WARNING. $$ IAZ012-020-212245- /O.CAN.KFSD.WW.Y.0008.000000T0000Z-061222T0000Z/ SIOUX-PLYMOUTH- INCLUDING THE CITIES OF...ORANGE CITY...SIOUX CENTER...LE MARS 342 PM CST THU DEC 21 2006 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE WINTER WEATHER ADVISORY. $$ IAZ013-014-021-022-212245- /O.CAN.KFSD.WW.Y.0008.000000T0000Z-061222T0600Z/ OBRIEN-CLAY-CHEROKEE-BUENA VISTA- INCLUDING THE CITIES OF...SHELDON...HARTLEY...SANBORN...SPENCER... CHEROKEE...STORM LAKE 342 PM CST THU DEC 21 2006 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE WINTER WEATHER ADVISORY. $$ IAZ001-MNZ080-081-089-090-097-098-SDZ055-056-061-062-066-067- 220545- /O.EXB.KFSD.WW.Y.0008.000000T0000Z-061222T1200Z/ LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-LAKE-MOODY- MCCOOK-MINNEHAHA-TURNER-LINCOLN- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE... WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE...LUVERNE... MADISON...FLANDREAU...SALEM...CANISTOTA...BRIDGEWATER... MONTROSE...SIOUX FALLS...PARKER...CENTERVILLE...MARION...VIBORG... HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG 342 PM CST THU DEC 21 2006 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM CST FRIDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY...WHICH IS IN EFFECT UNTIL 6 AM CST FRIDAY. ACROSS SOUTHWEST MINNESOTA...SOUTHEAST SOUTH DAKOTA AND EXTREME NORTHWEST IOWA...WIDESPREAD FOG...WITH AREAS OF DENSE FOG WILL COMBINE TONIGHT WITH LIGHT FREEZING DRIZZLE AND FREEZING MIST. THIS WILL CREATE ICY DRIVING CONDITIONS ON UNTREATED SURFACES. TEMPERATURES ARE EXPECTED TO HOVER AT OR SLIGHTLY ABOVE FREEZING THIS EVENING. HOWEVER AFTER EVENING...TEMPERATURES WILL SLOWLY FALL TO JUST BELOW FREEZING. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ MNZ071-072-SDZ038>040-052>054-059-060-220545- /O.EXT.KFSD.WW.Y.0008.000000T0000Z-061222T1200Z/ LINCOLN-LYON-BEADLE-KINGSBURY-BROOKINGS-JERAULD-SANBORN-MINER- DAVISON-HANSON- INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON... IVANHOE...MARSHALL...HURON...DE SMET...ARLINGTON...LAKE PRESTON... BROOKINGS...WESSINGTON SPRINGS...ALPENA...WOONSOCKET...HOWARD... MITCHELL...ALEXANDRIA...EMERY 342 PM CST THU DEC 21 2006 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 6 AM CST FRIDAY... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 6 AM CST FRIDAY. AREAS OF FOG WILL BE FOUND ACROSS EAST CENTRAL SOUTH DAKOTA AND ADJACENT AREAS TONIGHT. THE FOG WILL COMBINE WITH LIGHT FREEZING DRIZZLE OR FREEZING MIST TO CREATE ICY CONDITIONS ON UNTREATED SURFACES. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ SDZ057-058-220000- /O.CON.KFSD.WW.Y.0008.000000T0000Z-061222T0000Z/ BRULE-AURORA- INCLUDING THE CITIES OF...CHAMBERLAIN...KIMBALL...PLANKINTON... WHITE LAKE...STICKNEY 342 PM CST THU DEC 21 2006 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON. THE SNOW THREAT HAS LARGELY ENDED...BUT THERE COULD BE SOME AREAS OF FREEZING MIST OR LIGHT FREEZING DRIZZLE INTO THE EARLY EVENING HOURS. UNTREATED ROAD SURFACES WILL BE SLICK. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
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 19, 9:00 PM CST, 6 hours 41 minutes earlier.
Area forecast discussion, Dec 19, 9:00 PM CST, 6 hours 41 minutes before
AREA FORECAST DISCUSSION FOR SOUTHEAST SD/SOUTHWEST MN/NORTHWEST IA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
900 PM CST TUE DEC 19 2006
.DISCUSSION...
FIRST SLUG OF GULF MOISTURE/ MOSTLY SHRA WITH DEEPER SLY FLOW MOVG
NWD INTO CNTRL NE ATTM WITH MOISTURE SATURATING DOWN FM ABV SFC...
WITH MUCH DRIER AIR IN ERN NE ATTM. THIS PRECIP WILL LIKELY MAKE IT
ACROSS NE/SD BORDER INTO SCNTRL SD AFT MIDN AND SPEEDED UP CHCS
THERE. PRECIP SHOULD EXPAND EWD ALG MO VALLEY AS MOISTURE RUNS NWD
INTO BLOCKING E/W RIDGE FM DKTS TO MN. EARLIER UPDATED FIRST PERIOD
MAINLY FOR CATEGORY HIGHER LOWS AS SLY FLOW HOLDING UP TEMPS TNGT.
ALSO BEEFED UP SSWLY WINDS ESP IN SWRN MN WHERE 15 TO 25 MPH WERE
COMMON THIS EVE. LOWS SHOULD STILL BE BELOW FRZG ENUF FOR MOST
PRECIP TO BE FZRG AFT SR.
BIG QUESTION IN LATER PERIODS IS HOW FAR NORTH MAIN PRECIP GETS...
AND HOW FAST MIXED PRECIP TRANSITIONS TO WET SNOW WITH WET BULBING
AND DYNAMIC COOLING FM ALOFT. MODELS HAVE BEEN QUITE INCONSISTENT
WITH NWD EXTENT OF FOCUS AND DRY SLOT. TREND HAS BEEN BACK SOUTH
AGAIN MORE TOWARDS UPR LOW FOR MAIN WINTER PRECIP AND SNOW EVENT...
WHICH WOULD LEAVE FAR N AND ESP NWRN CWA HARD TO ACHIEVE WINTER
STORM CRITERIA...AND THE I90 CORRIDOR TO MUCH OF SERN SD RECEIVING
THE BRUNT OF THE STORM FM WED INTO EVEN FRI. WILL LEAVE THIS ALL TO
THE MID SHIFT TO PONDER AND LOOK AT OTHER MODELS.
RYRHOLM
&&
.AVIATION...
VFR LWRG TO MVFR CIGS ALG MO VALLEY TO SUX BY 10Z...THEN TO IFR CIGS
AND MVFR VSBYS IN ZR- AND R- BY 16Z OR SO.
&&
.PREV DISCUSSION...
NOT A LOT GOING IN THE NEAR TERM THIS EVENING...BUT THE MASS OF
CLOUDS IS BUILDING RAPIDLY TO OUR S...HEADING NWD. UNSTABLE SYSTEM
AS PLENTY OF CG LTG HAS OCCURRED IN THE TX PANHANDLE NEARLY ALL DAY.
NOTE TO FUTURE SHIFTS...MAY HAVE TO ADD TS POTENTIAL WED NIGHT AND
THU MORNING FOR OUR SE QUARTER. UPPER LIS ARE UNSTABLE AS WELL AS
SOME UNSTABLE EPV* DURING THOSE PDS.
OTHERWISE...MODEL SNDGS OVER OUR FAR S BEGIN TO SATURATE UP LATE
TONIGHT. KEPT THE CHCS FOR -FZRA GOING IN OUR FAR S LATE TONIGHT
AS THE ISENTROPIC LIFT PICKS UP AS WELL AS GOOD LOW LVL WAA. ON
WED MORNING...THIS WAA AND ISENTROPIC LIFT CONTS TO LIFT NWD THRU
THE FSD FA IN THE MORNING...BUT WEAKENING AS IT LIFTS NWD AS IT RUNS
INTO INCREASINGLY DRIER AND STABLE AIR IN THE LOW LVLS. BUT ENUF
SATURATION EXISTS TO WARRANT A FZRA ADVY FOR MUCH OF SE SD...FAR NW
IA...AND THE EXTREME CORNER OF SW MN IN THE MRNG...WITH TEMPS BLO
FREEZING. NOW WITH THE WAA AND SLY FLOW PICKING UP TONIGHT...WOULD
NOT BE SURPRISED TO SEE MANY LOCATIONS HAVE SOME RISING TEMPS AFTER
MIDNIGHT...WITH EVENING LOWS. HOWEVER ON WED...ONE WILL NOTICE THAT
A SFC NE FETCH POURS INTO THE FSD FA WITH A COOL HIGH PRES SYSTEM
SITTING OVR WRN AND NRN ND. THESE NE SFC WINDS WL LIKELY CONT TO
DRAIN DOWN COOL AIR THRU THE DAY...AND RELATIVELY DRY AIR NEAR THE
SFC...ALLOWING FOR PLENTY OF EVAPORATION AND WET BULBING DOWN OF
TEMPS. THEREFORE DECREASED HIGHS MOST LOCATIONS FOR WED...AND TEMPS
SHOULD BE BLO FREEZING IN THE ADVY AREA FOR MUCH OF THE MRNG.
FUTURE SHIFTS...PLEASE WATCH THE KSUX AREA FOR ADVY CRITERIA FOR A
BRIEF TIME WED MRNG FOR FZRA. IRONICALLY...WHERE THE PCPN HOLDS OFF
THE LONGEST...OUR N MAY SEE SOME OF OUR WARMEST TEMPS IN THE FA
ASIDE FM DEEPER IN NW IA LIKE AROUND STORM LAKE. WITH THE NELY FETCH
OF AIR...TONED DOWN THE QPF IN OUR FAR ERN CWFA FM MARSHALL TO STORM
LAKE ON WED...AS USUALLY DRY AIR IN THE LOW LVLS INFILTRATES INTO
THESE AREAS LONGER THAN THE MODELS REALIZE.
WED NIGHT AND THU APPEARS TO BE THE CRUX OF WHEN THE ENERGY FM THE
MID AND UPPER BOWLING BALL LIFTS NWD. PRETTY STRONG UPPER -DIV Q IS
NOTED DURING THIS TIME FRAME. BUT AS IS NORMAL WITH A WRAPPED UP
SYSTEM...LOW TO MID LVL FRONTOGENESIS IS WEAK. LIFT AND ISENTROPIC
LIFT IS IN NO SHORT SUPPLY. THE QUESTION REMAINS ACROSS OUR NRN
QUARTER...HOW MUCH PCPN WL FALL. THERE IS SOME CONCERN THAT DRY AIR
WL CONT TO ENTRAIN DOWN INTO THE LOWER LYRS FM THE N. OVERALL...THE
NAM AND GFS ARE FAIRLY CLOSE WITH THE PLACEMENT OF THE UPPER LOW WED
NIGHT AND THE FIRST HALF OF THU. AM EXPECTING A BAND OF PCPN TO LIFT
NWD ACROSS THE AREA WED NIGHT...WITH A POTENTIAL FOR CONVECTION IN
OUR SE QUARTER NOTED ABOVE WITH INSTABILITY ALOFT. MUCH OF THE PCPN
WL FALL AS FZRA...POSSIBLY SOME SLEET...AS THERMAL PROFILES ARE
STILL STUBBORNLY WARM AROUND 2 TO 3.5K ABOVE THE SFC. THE EXECPTION
TO THIS IS IN OUR FAR W WHERE PROFILES SUGGEST A CHANGEOVER TO SNOW.
THU MORNING IS A TOUGH FCST...AS THE NAM AND GFS BEGIN TO DEVIATE
BIG TIME IN THE QPF FCST. NOW THE NAM IS STILL PRETTY STRONG WITH
ITS MID AND UPPER -DIV Q...BUT BRINGS IN DRY MID LVL AIR SUGGESTING
A CHANGEOVER TO JUST -FZDZ OR -DZ NEARLY EVERYWHERE. THE GFS BRINGS
A BAND OF HEAVY PCPN TO ALONG I 90 DURING THE MORNING...FM S CENTRAL
SD. IT NEEDS TO BE NOTED...THAT THE NAM IS ALSO SHOWING A LOT OF
PCPN AFTER MIDNIGHT IN S CENTRAL SD LATE WED NIGHT. AND IT IS IN
THIS AREA WHERE ENUF COLD AIR MOVES IN ALOFT TO CHANGE THE PCPN OVR
TO SNOW. IF THIS AREA OF PCPN AND ISENTROPIC LIFT CONTS NWD THU
MORNING...AND GOES HEAVY...WE WONT HAVE TO WORRY ABOUT DRIZZLE...IT
WL POUND SNOW ALONG I 90. FOR NOW COMPROMISED AND WENT WITH A TONED
DOWN GFS VERSION.
LATE THU NIGHT AND FRI MORNING...WENT WITH THE SLOWER GFS SOLN IN
EJECTING THE CLOSED LOW NEWD COMPARED TO THE NAM. THE GFS HAS A LOT
OF SUPPORT FM THE CANADIAN AND EC. THEREFORE WATCH FOR A BAND OF
SNOW TO DEVELOP IN NE NEB...LIFTING NEWD THRU OUR SE QUARTER LATE
THU NIGHT AND EARLY FRIDAY. VERY INTERESTING. SFC LOW PLACEMENT 12Z
FRIDAY SHOULD BE IN CENTRAL IA.
THE EXTENDED RANGE FEATURES EVOLUTION OF THE CENTRAL PLAINS SPLIT
FLOW TROUGHING...WHICH APPEARS FROM VIRTUALLY ALL SLNS TO HAVE VERY
LITTLE IMPACT ON THE IMMEDIATE AREA. FAIRLY DIVERSE SET OF SLNS
BETWEEN VARIOUS MDLS IN HANDLING SRN PLAINS KICKER WAVE...BUT ALL OF
WHICH ARE AWAY FROM THE CWA TO THE SOUTH AND EAST. NRN STREAM ENERGY
IS LKLY TO DRIVE A BNDRY SWRD INTO THE REGION SUNDAY NIGHT WITH
LITTLE FANFARE...FOLLOWED BY STRONGER RIDGING ALFT TO THE N AND W.
BIG QUESTION REALLY BECOMES WHAT GROUNDCOVER WILL BE BY THE TIME THE
SHORT TERM EVENT WINDS DOWN. ASSUMING AN EVOLUTION SUCH AS THE SHORT
TERM PROJECTS...WL AT LEAST HAVE THREAT FOR SOME ACCUMULATING SNOW
FOR MUCH OF THE CWA...ESPLY W. WL HAVE TMPS REFLECT THIS POTENTIAL...
TO ERR MAINLY ON THE LOWER SIDE OF ANY GUIDANCE.
&&
.FSD WATCHES/WARNINGS/ADVISORIES...
IA...FREEZING RAIN ADVY WED MORNING FOR IAZ001-012.
WINTER STORM WATCH WED NIGHT AND THU MORNING FOR IAZ001>003-
012>014-020-031.
MN...FREEZING RAIN ADVY WED MORNING FOR MNZ098.
WINTER STORM WATCH WED NIGHT AND THU MORNING FOR MNZ089-090-
098.
WINTER STORM WATCH AFTER MIDNIGHT WED NIGHT AND THU MORNING FOR
MNZ071-072-080-081-097.
NE...WINTER STORM WATCH WED NIGHT AND THU MORNING FOR NEZ013-014.
SD...FREEZING RAIN ADVY WED MORNING FOR SDZ060-071.
WINTER STORM WATCH WED NIGHT AND THU MORNING FOR SDZ050-071.
WINTER STORM WATCH AFTER MIDNIGHT WED NIGHT AND THU MORNING FOR
SDZ038>040-052>056.
&&
MJF/CHAPMANHazardous weather outlook, Dec 19, 6:17 AM CST, 21 hours 24 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SIOUX FALLS SD 0617 AM CST TUE DEC 19 2006 SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098- IAZ001>003-012>014-020>022-031-032-NEZ013-014-201200- 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- 0617 AM CST TUE DEC 19 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH DAKOTA... SOUTHWEST MINNESOTA...NORTHWEST IOWA...AND NORTHEAST NEBRASKA. .DAY ONE...TODAY AND TONIGHT WINTER WEATHER... PRECIPITATION MAY PUSH INTO AREAS ALONG THE MISSOURI RIVER BY THE VERY EARLY MORNING HOURS OF WEDNESDAY. WITH TEMPERATURES BELOW FREEZING AT THAT TIME...ANY PRECIPITATION THAT FALLS WILL BE IN THE FORM OF FREEZING RAIN. LIGHT ICING WILL BE POSSIBLE ON ANY EXPOSED SURFACES...AND TRAVEL MAY BECOME HAZARDOUS ACROSS THE AREA. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY LOW PRESSURE DEVELOPING OVER THE SOUTHWESTERN UNITED STATES WILL LIFT NORTHEAST INTO WESTERN NEBRASKA BY WEDNESDAY MORNING...AND THEN WILL DRIFT SLOWLY EAST ACROSS NEBRASKA AND INTO IOWA WEDNESDAY THROUGH THURSDAY. WIDESPREAD PRECIPITATION WILL DEVELOP ACROSS THE AREA ON WEDNESDAY WITH THIS SYSTEM. THE BULK OF THE PRECIPITATION ON WEDNESDAY WILL BE IN THE FORM OF FREEZING RAIN AND RAIN...AND THEN WILL GRADUALLY CHANGE OVER TO SNOW IN AREAS GENERALLY WEST OF INTERSTATE 29 WEDNESDAY NIGHT. TRAVEL WILL BECOME EXTREMELY HAZARDOUS DUE TO THE ICY CONDITIONS. SNOWFALL AMOUNTS ARE STILL UNCERTAIN...BUT AMOUNTS OF 2 TO 4 INCHES ARE POSSIBLE WEDNESDAY NIGHT INTO THURSDAY...WITH THE HEAVIEST AMOUNTS WEST OF INTERSTATE 29 AND SOUTH OF HIGHWAY 34. PERSONS SHOULD KEEP UP WITH THE LATEST FORECASTS AS EXACT LOCATIONS OF THE HEAVIEST PRECIPITATION WILL BECOME MORE PRECISE AS THE SYSTEM MOVES INTO NEBRASKA. LOW PRESSURE WILL CONTINUE TO MOVE EASTWARD ON FRIDAY...WITH LIGHT SNOW POSSIBLE IN AREAS EAST OF INTERSTATE 29 THROUGH THE MORNING AND EARLY AFTERNOON HOURS. SNOW WILL TAPER OFF BY LATE IN THE AFTERNOON. ADDITIONAL SNOW AMOUNTS WILL BE LESS THAN HALF AN INCH. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT. && FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT WWW.CRH.NOAA.GOV/FSD. 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 20, 3:41 AM CST | Winter Weather Advisory | FSD | Aurora, Beadle, Bon Homme, Brookings, Brule, Clay and 15 more | 55 hr |
Nearby
Winter Storm Warnings in South Dakota, 2006Winter Storm Warnings in Nebraska, 2006Every winter storm warning in 2006
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.