Alert archive / South Dakota / Winter Storm Warnings in 2010
Winter Storm Warning 2, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this winter storm warning at Jan 22, 2010, 3:50 AM CST for 12 counties in South Dakota; 5 counties in Minnesota. It took effect at Jan 22, 2010, 12:00 PM CST. It was in force for 9 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jan 22, 2010, 3:50 AM CST (09:50 UTC)
- In effect from
- Jan 22, 2010, 12:00 PM CST
- Expired
- Jan 22, 2010, 9:10 PM CST
- In force
- 9 hr
- Issued by
- NWS Sioux Falls, SD
Counties Lincoln County, MN, Lyon County, MN, Murray County, MN, Pipestone County, MN, Rock County, MN, Aurora County, SD, Beadle County, SD, Brookings County, SD, Brule County, SD, Jerauld County, SD, Kingsbury County, SD, Lake County, SD, McCook County, SD, Miner County, SD, Minnehaha County, SD, Moody County, SD, Sanborn County, SD
The radar
The Sioux Falls radar (KFSD), 64 km from the middle of the area, began a volume at 09:52 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.
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 9.8 hours before the alert went out and 134 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
- 453 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 71 m²/s²
- 0-3 km storm-relative helicity
- 95 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
503 WWUS43 KFSD 220950 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 350 AM CST FRI JAN 22 2010 .ANOTHER STRONG WINTER STORM IS EXPECTED TO AFFECT THE AREA BEGINNING THIS AFTERNOON. AS A LOW PRESSURE SYSTEM MAKES ITS WAY INTO THE CENTRAL PLAINS...THE POTENTIAL FOR SIGNIFICANT ICING AND SNOW WILL BE LIKELY ACROSS PORTIONS OF THE TRI STATE AREA. PRECIPITATION WILL BEGIN IN THE WESTERN SECTIONS OF THE AREA...MAINLY ALONG THE MISSOURI RIVER AND THEN SPREAD EAST THIS AFTERNOON AND EVENING. SDZ038-039-052>054-057-058-221800- /O.UPG.KFSD.WS.A.0002.100122T1800Z-100125T1200Z/ /O.NEW.KFSD.WS.W.0002.100122T1800Z-100125T1200Z/ BEADLE-KINGSBURY-JERAULD-SANBORN-MINER-BRULE-AURORA- INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON... LAKE PRESTON...WESSINGTON SPRINGS...ALPENA...WOONSOCKET... HOWARD...CHAMBERLAIN...KIMBALL...PLANKINTON...WHITE LAKE... STICKNEY 350 AM CST FRI JAN 22 2010 ...WINTER STORM WARNING IN EFFECT FROM NOON TODAY TO 6 AM CST MONDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER STORM WARNING FOR FREEZING AND SNOW...WHICH IS IN EFFECT FROM NOON TODAY TO 6 AM CST MONDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...FREEZING RAIN IS EXPECTED TO MOVE INTO THE AREA THIS AFTERNOON AND BECOME MIXED WITH AND CHANGE TO ALL SNOW LATE TONIGHT. SNOW IS EXPECTED TO CONTINUE TO FALL THROUGH SUNDAY WITH BLOWING SNOW POSSIBLE SUNDAY THROUGH LATE SUNDAY NIGHT. * ACCUMULATIONS...ICE ACCUMULATIONS AROUND A QUARTER OF AN INCH AND SNOWFALL OF 4 TO 6 INCHES ARE LIKELY. * WIND AND VISIBILITY...NORTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS TO 40 MPH ARE POSSIBLE THROUGHOUT THE DAY ON SUNDAY AND SUNDAY NIGHT REDUCING VISIBILITIES TO ONE MILE OR LESS AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND ICE ARE EXPECTED. STRONG WINDS ARE ALSO LIKELY. THIS WILL MAKE TRAVEL VERY HAZARDOUS. && $$ MNZ071-072-080-097-098-SDZ040-055-056-061-062-221800- /O.UPG.KFSD.WS.A.0002.100123T0000Z-100125T1200Z/ /O.NEW.KFSD.WS.W.0002.100123T0000Z-100124T0000Z/ LINCOLN-LYON-MURRAY-PIPESTONE-ROCK-BROOKINGS-LAKE-MOODY-MCCOOK- MINNEHAHA- INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON... IVANHOE...MARSHALL...SLAYTON...FULDA...PIPESTONE...LUVERNE... BROOKINGS...MADISON...FLANDREAU...SALEM...CANISTOTA... BRIDGEWATER...MONTROSE...SIOUX FALLS 350 AM CST FRI JAN 22 2010 ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST SATURDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER STORM WARNING FOR FREEZING RAIN AND SNOW...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST SATURDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...FREEZING RAIN IS EXPECTED TO MOVE INTO THE AREA THIS EVENING AND OCCASIONALLY BE MIXED WITH SNOW LATE. FREEZING RAIN IS EXPECTED TO CONTINUE THROUGH SATURDAY MORNING BEFORE TRANSITIONING TO ALL SNOW BY SATURDAY NOON. MUCH OF THE HEAVIER ICE ACCUMULATION WILL OCCUR THIS EVENING AND INTO EARLY SATURDAY...WITH MOST OF THE ACCUMULATION OF SNOW ON SATURDAY. * ACCUMULATIONS...ICE ACCUMULATIONS OF A QUARTER TO A THIRD OF AN INCH....AND SNOWFALL OF 1 TO 4 INCHES ARE LIKELY. * WIND AND VISIBILITY...NORTHWEST WINDS OF 20 TO 30 MPH WILL OCCUR ON SATURDAY. STRONGER WINDS ARE LIKELY ON SUNDAY AS THE STORM PULLS AWAY FROM THE AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND ICE ARE EXPECTED. STRONG WINDS ARE ALSO LIKELY. THIS WILL MAKE TRAVEL VERY HAZARDOUS. && $$ SDZ050-059-063-064-221800- /O.UPG.KFSD.WS.A.0002.100122T1800Z-100125T1200Z/ /O.NEW.KFSD.WW.Y.0003.100122T1800Z-100125T1200Z/ GREGORY-DAVISON-CHARLES MIX-DOUGLAS- INCLUDING THE CITIES OF...GREGORY...BURKE...MITCHELL...WAGNER... PLATTE...LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT 350 AM CST FRI JAN 22 2010 ...WINTER WEATHER ADVISORY IN EFFECT FROM NOON TODAY TO 6 AM CST MONDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR FREEZING RAIN AND SNOW...WHICH IS IN EFFECT FROM NOON TODAY TO 6 AM CST MONDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...FREEZING RAIN IS EXPECTED TO MOVE INTO THE AREA THIS AFTERNOON AND BECOME OCCASIONALLY MIXED WITH SNOW TONIGHT. BY SATURDAY AFTERNOON...THE PRECIPITATION WILL TRANSITION TO ALL SNOW AND CONTINUE TO FALL THROUGH SUNDAY. BLOWING SNOW WILL BE POSSIBLE SUNDAY THROUGH LATE SUNDAY NIGHT. * ACCUMULATIONS...ICE ACCUMULATIONS AROUND A QUARTER OF AN INCH ARE LIKELY...AS WELL AS SNOWFALL OF 2 TO 4 INCHES. * WIND AND VISIBILITY...NORTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS TO 40 MPH ARE POSSIBLE THROUGHOUT THE DAY ON SUNDAY AND SUNDAY NIGHT OCCASIONALLY REDUCING VISIBILITIES TO ONE MILE OR LESS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ SDZ060-221800- /O.UPG.KFSD.WS.A.0002.100123T0000Z-100125T1200Z/ /O.NEW.KFSD.WW.Y.0003.100122T1800Z-100125T1200Z/ HANSON- INCLUDING THE CITIES OF...ALEXANDRIA...EMERY 350 AM CST FRI JAN 22 2010 ...WINTER WEATHER ADVISORY IN EFFECT FROM NOON TODAY TO 6 AM CST MONDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR FREEZING RAIN AND SNOW...WHICH IS IN EFFECT FROM NOON TODAY TO 6 AM CST MONDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...FREEZING RAIN IS EXPECTED TO MOVE INTO THE AREA THIS AFTERNOON AND BECOME OCCASIONALLY MIXED WITH SNOW TONIGHT. BY SATURDAY AFTERNOON...THE PRECIPITATION WILL TRANSITION TO ALL SNOW AND CONTINUE TO FALL THROUGH SUNDAY. BLOWING SNOW WILL BE POSSIBLE SUNDAY THROUGH LATE SUNDAY NIGHT.. * ACCUMULATIONS...ICE ACCUMULATIONS OF AROUND A QUARTER OF AN INCH....AND SNOWFALL OF 2 TO 4 INCHES ARE LIKELY. * WIND AND VISIBILITY...NORTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS TO 40 MPH ARE POSSIBLE THROUGHOUT THE DAY ON SUNDAY AND SUNDAY NIGHT OCCASIONALLY REDUCING VISIBILITIES TO ONE MILE OR LESS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ IAZ001-002-MNZ081-089-090-SDZ065>069-221800- /O.UPG.KFSD.WS.A.0002.100123T0000Z-100125T1200Z/ /O.NEW.KFSD.WW.Y.0003.100123T0000Z-100124T0000Z/ LYON-OSCEOLA-COTTONWOOD-NOBLES-JACKSON-HUTCHINSON-TURNER-LINCOLN- BON HOMME-YANKTON- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SIBLEY...WINDOM...MOUNTAIN LAKE...WORTHINGTON... JACKSON...LAKEFIELD...PARKSTON...FREEMAN...MENNO...TRIPP... PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR... CANTON...LENNOX...TEA...HARRISBURG...TYNDALL...SCOTLAND... SPRINGFIELD...AVON...TABOR...YANKTON 350 AM CST FRI JAN 22 2010 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST SATURDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR FREEZING RAIN AND SNOW...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST SATURDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...FREEZING RAIN IS EXPECTED TO MOVE INTO THE AREA THIS EVENING AND OCCASIONALLY BECOME MIXED WITH SNOW TONIGHT. MIXED PRECIPITATION OF FREEZING RAIN AND SNOW IS EXPECTED TO CONTINUE THROUGH SATURDAY MORNING BEFORE TRANSITIONING TO ALL SNOW SATURDAY AFTERNOON. * ACCUMULATIONS...ICE ACCUMULATIONS OF AROUND A QUARTER OF AN INCH....AND SNOWFALL OF 2 TO 4 INCHES ARE LIKELY. * WIND AND VISIBILITY...NORTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS TO 40 MPH ARE POSSIBLE THROUGHOUT THE DAY ON SUNDAY AND SUNDAY NIGHT OCCASIONALLY REDUCING VISIBILITIES TO ONE MILE OR LESS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ IAZ003-012>014-221800- /O.NEW.KFSD.WW.Y.0003.100123T0000Z-100123T1800Z/ DICKINSON-SIOUX-OBRIEN-CLAY- INCLUDING THE CITIES OF...SPIRIT LAKE...MILFORD...ARNOLDS PARK... ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN... SPENCER 350 AM CST FRI JAN 22 2010 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO NOON CST SATURDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR FREEZING RAIN AND SNOW...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO NOON CST SATURDAY. * TIMING...FREEZING RAIN IS EXPECTED TO MOVE INTO THE AREA THIS EVENING AND OCCASIONALLY BECOME MIXED WITH SNOW TONIGHT. MIXED PRECIPITATION OF FREEZING RAIN AND SNOW IS EXPECTED TO CONTINUE THROUGH SATURDAY MORNING BEFORE TRANSITIONING TO ALL SNOW SATURDAY AFTERNOON. * ACCUMULATIONS...ICE ACCUMULATIONS OF AROUND A QUARTER OF AN INCH....AND SNOWFALL OF 2 TO 4 INCHES ARE LIKELY. * WIND AND VISIBILITY...NORTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS TO 40 MPH ARE POSSIBLE THROUGHOUT THE DAY ON SUNDAY AND SUNDAY NIGHT OCCASIONALLY REDUCING VISIBILITIES TO ONE MILE OR LESS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ HEITKAMP
4 follow-up statements
056 WWUS43 KFSD 221004 CCA WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 350 AM CST FRI JAN 22 2010 .ANOTHER STRONG WINTER STORM IS EXPECTED TO AFFECT THE AREA BEGINNING THIS AFTERNOON. AS A LOW PRESSURE SYSTEM MAKES ITS WAY INTO THE CENTRAL PLAINS...THE POTENTIAL FOR SIGNIFICANT ICING AND SNOW WILL BE LIKELY ACROSS PORTIONS OF THE TRI STATE AREA. PRECIPITATION WILL BEGIN IN THE WESTERN SECTIONS OF THE AREA...MAINLY ALONG THE MISSOURI RIVER AND THEN SPREAD EAST THIS AFTERNOON AND EVENING. SDZ038-039-052>054-057-058-221800- /O.UPG.KFSD.WS.A.0002.100122T1800Z-100125T1200Z/ /O.NEW.KFSD.WS.W.0002.100122T1800Z-100125T1200Z/ BEADLE-KINGSBURY-JERAULD-SANBORN-MINER-BRULE-AURORA- INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON... LAKE PRESTON...WESSINGTON SPRINGS...ALPENA...WOONSOCKET... HOWARD...CHAMBERLAIN...KIMBALL...PLANKINTON...WHITE LAKE... STICKNEY 350 AM CST FRI JAN 22 2010 ...WINTER STORM WARNING IN EFFECT FROM NOON TODAY TO 6 AM CST MONDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER STORM WARNING FOR FREEZING RAIN AND SNOW...WHICH IS IN EFFECT FROM NOON TODAY TO 6 AM CST MONDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...FREEZING RAIN IS EXPECTED TO MOVE INTO THE AREA THIS AFTERNOON AND BECOME MIXED WITH AND CHANGE TO ALL SNOW LATE TONIGHT. SNOW IS EXPECTED TO CONTINUE TO FALL THROUGH SUNDAY WITH BLOWING SNOW POSSIBLE SUNDAY THROUGH LATE SUNDAY NIGHT. * ACCUMULATIONS...ICE ACCUMULATIONS AROUND A QUARTER OF AN INCH AND SNOWFALL OF 4 TO 6 INCHES ARE LIKELY. * WIND AND VISIBILITY...NORTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS TO 40 MPH ARE POSSIBLE THROUGHOUT THE DAY ON SUNDAY AND SUNDAY NIGHT REDUCING VISIBILITIES TO ONE MILE OR LESS AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND ICE ARE EXPECTED. STRONG WINDS ARE ALSO LIKELY. THIS WILL MAKE TRAVEL VERY HAZARDOUS. && $$ MNZ071-072-080-097-098-SDZ040-055-056-061-062-221800- /O.UPG.KFSD.WS.A.0002.100123T0000Z-100125T1200Z/ /O.NEW.KFSD.WS.W.0002.100123T0000Z-100124T0000Z/ LINCOLN-LYON-MURRAY-PIPESTONE-ROCK-BROOKINGS-LAKE-MOODY-MCCOOK- MINNEHAHA- INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON... IVANHOE...MARSHALL...SLAYTON...FULDA...PIPESTONE...LUVERNE... BROOKINGS...MADISON...FLANDREAU...SALEM...CANISTOTA... BRIDGEWATER...MONTROSE...SIOUX FALLS 350 AM CST FRI JAN 22 2010 ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST SATURDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER STORM WARNING FOR FREEZING RAIN AND SNOW...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST SATURDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...FREEZING RAIN IS EXPECTED TO MOVE INTO THE AREA THIS EVENING AND OCCASIONALLY BE MIXED WITH SNOW LATE. FREEZING RAIN IS EXPECTED TO CONTINUE THROUGH SATURDAY MORNING BEFORE TRANSITIONING TO ALL SNOW BY SATURDAY NOON. MUCH OF THE HEAVIER ICE ACCUMULATION WILL OCCUR THIS EVENING AND INTO EARLY SATURDAY...WITH MOST OF THE ACCUMULATION OF SNOW ON SATURDAY. * ACCUMULATIONS...ICE ACCUMULATIONS OF A QUARTER TO A THIRD OF AN INCH....AND SNOWFALL OF 1 TO 4 INCHES ARE LIKELY. * WIND AND VISIBILITY...NORTHWEST WINDS OF 20 TO 30 MPH WILL OCCUR ON SATURDAY. STRONGER WINDS ARE LIKELY ON SUNDAY AS THE STORM PULLS AWAY FROM THE AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND ICE ARE EXPECTED. STRONG WINDS ARE ALSO LIKELY. THIS WILL MAKE TRAVEL VERY HAZARDOUS. && $$ SDZ050-059-063-064-221800- /O.UPG.KFSD.WS.A.0002.100122T1800Z-100125T1200Z/ /O.NEW.KFSD.WW.Y.0003.100122T1800Z-100125T1200Z/ GREGORY-DAVISON-CHARLES MIX-DOUGLAS- INCLUDING THE CITIES OF...GREGORY...BURKE...MITCHELL...WAGNER... PLATTE...LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT 350 AM CST FRI JAN 22 2010 ...WINTER WEATHER ADVISORY IN EFFECT FROM NOON TODAY TO 6 AM CST MONDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR FREEZING RAIN AND SNOW...WHICH IS IN EFFECT FROM NOON TODAY TO 6 AM CST MONDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...FREEZING RAIN IS EXPECTED TO MOVE INTO THE AREA THIS AFTERNOON AND BECOME OCCASIONALLY MIXED WITH SNOW TONIGHT. BY SATURDAY AFTERNOON...THE PRECIPITATION WILL TRANSITION TO ALL SNOW AND CONTINUE TO FALL THROUGH SUNDAY. BLOWING SNOW WILL BE POSSIBLE SUNDAY THROUGH LATE SUNDAY NIGHT. * ACCUMULATIONS...ICE ACCUMULATIONS AROUND A QUARTER OF AN INCH ARE LIKELY...AS WELL AS SNOWFALL OF 2 TO 4 INCHES. * WIND AND VISIBILITY...NORTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS TO 40 MPH ARE POSSIBLE THROUGHOUT THE DAY ON SUNDAY AND SUNDAY NIGHT OCCASIONALLY REDUCING VISIBILITIES TO ONE MILE OR LESS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ SDZ060-221800- /O.UPG.KFSD.WS.A.0002.100123T0000Z-100125T1200Z/ /O.NEW.KFSD.WW.Y.0003.100122T1800Z-100125T1200Z/ HANSON- INCLUDING THE CITIES OF...ALEXANDRIA...EMERY 350 AM CST FRI JAN 22 2010 ...WINTER WEATHER ADVISORY IN EFFECT FROM NOON TODAY TO 6 AM CST MONDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR FREEZING RAIN AND SNOW...WHICH IS IN EFFECT FROM NOON TODAY TO 6 AM CST MONDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...FREEZING RAIN IS EXPECTED TO MOVE INTO THE AREA THIS AFTERNOON AND BECOME OCCASIONALLY MIXED WITH SNOW TONIGHT. BY SATURDAY AFTERNOON...THE PRECIPITATION WILL TRANSITION TO ALL SNOW AND CONTINUE TO FALL THROUGH SUNDAY. BLOWING SNOW WILL BE POSSIBLE SUNDAY THROUGH LATE SUNDAY NIGHT.. * ACCUMULATIONS...ICE ACCUMULATIONS OF AROUND A QUARTER OF AN INCH....AND SNOWFALL OF 2 TO 4 INCHES ARE LIKELY. * WIND AND VISIBILITY...NORTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS TO 40 MPH ARE POSSIBLE THROUGHOUT THE DAY ON SUNDAY AND SUNDAY NIGHT OCCASIONALLY REDUCING VISIBILITIES TO ONE MILE OR LESS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ IAZ001-002-MNZ081-089-090-SDZ065>069-221800- /O.UPG.KFSD.WS.A.0002.100123T0000Z-100125T1200Z/ /O.NEW.KFSD.WW.Y.0003.100123T0000Z-100124T0000Z/ LYON-OSCEOLA-COTTONWOOD-NOBLES-JACKSON-HUTCHINSON-TURNER-LINCOLN- BON HOMME-YANKTON- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SIBLEY...WINDOM...MOUNTAIN LAKE...WORTHINGTON... JACKSON...LAKEFIELD...PARKSTON...FREEMAN...MENNO...TRIPP... PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR... CANTON...LENNOX...TEA...HARRISBURG...TYNDALL...SCOTLAND... SPRINGFIELD...AVON...TABOR...YANKTON 350 AM CST FRI JAN 22 2010 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST SATURDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR FREEZING RAIN AND SNOW...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST SATURDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...FREEZING RAIN IS EXPECTED TO MOVE INTO THE AREA THIS EVENING AND OCCASIONALLY BECOME MIXED WITH SNOW TONIGHT. MIXED PRECIPITATION OF FREEZING RAIN AND SNOW IS EXPECTED TO CONTINUE THROUGH SATURDAY MORNING BEFORE TRANSITIONING TO ALL SNOW SATURDAY AFTERNOON. * ACCUMULATIONS...ICE ACCUMULATIONS OF AROUND A QUARTER OF AN INCH....AND SNOWFALL OF 2 TO 4 INCHES ARE LIKELY. * WIND AND VISIBILITY...NORTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS TO 40 MPH ARE POSSIBLE THROUGHOUT THE DAY ON SUNDAY AND SUNDAY NIGHT OCCASIONALLY REDUCING VISIBILITIES TO ONE MILE OR LESS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ IAZ003-012>014-221800- /O.NEW.KFSD.WW.Y.0003.100123T0000Z-100123T1800Z/ DICKINSON-SIOUX-OBRIEN-CLAY- INCLUDING THE CITIES OF...SPIRIT LAKE...MILFORD...ARNOLDS PARK... ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN... SPENCER 350 AM CST FRI JAN 22 2010 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO NOON CST SATURDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR FREEZING RAIN AND SNOW...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO NOON CST SATURDAY. * TIMING...FREEZING RAIN IS EXPECTED TO MOVE INTO THE AREA THIS EVENING AND OCCASIONALLY BECOME MIXED WITH SNOW TONIGHT. MIXED PRECIPITATION OF FREEZING RAIN AND SNOW IS EXPECTED TO CONTINUE THROUGH SATURDAY MORNING BEFORE TRANSITIONING TO ALL SNOW SATURDAY AFTERNOON. * ACCUMULATIONS...ICE ACCUMULATIONS OF AROUND A QUARTER OF AN INCH....AND SNOWFALL OF 2 TO 4 INCHES ARE LIKELY. * WIND AND VISIBILITY...NORTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS TO 40 MPH ARE POSSIBLE THROUGHOUT THE DAY ON SUNDAY AND SUNDAY NIGHT OCCASIONALLY REDUCING VISIBILITIES TO ONE MILE OR LESS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ HEITKAMP
015 WWUS43 KFSD 221718 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 1118 AM CST FRI JAN 22 2010 .ANOTHER STRONG WINTER STORM IS EXPECTED TO AFFECT THE AREA BEGINNING THIS AFTERNOON. AS A LOW PRESSURE SYSTEM MAKES ITS WAY INTO THE CENTRAL PLAINS...THE POTENTIAL FOR SIGNIFICANT ICING AND SNOW WILL SPREAD ACROSS PORTIONS OF THE AREA. PRECIPITATION WILL BEGIN IN THE WESTERN SECTIONS OF THE AREA...MAINLY ALONG THE MISSOURI RIVER AND THEN SPREAD EAST DURING THE LATE AFTERNOON AND EVENING. SDZ038-039-052>054-057-058-230130- /O.CON.KFSD.WS.W.0002.100122T1800Z-100125T1200Z/ BEADLE-KINGSBURY-JERAULD-SANBORN-MINER-BRULE-AURORA- INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON... LAKE PRESTON...WESSINGTON SPRINGS...ALPENA...WOONSOCKET... HOWARD...CHAMBERLAIN...KIMBALL...PLANKINTON...WHITE LAKE... STICKNEY 1118 AM CST FRI JAN 22 2010 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST MONDAY. * TIMING...FREEZING RAIN IS EXPECTED TO MOVE INTO THE AREA THIS AFTERNOON...BECOMING MIXED AT TIMES WITH SNOW THROUGH SATURDAY MORNING. PRECIPITATION MAY DECREASE FOR A TIME SATURDAY AFTERNOON AND EVENING...WITH SNOW SPREADING BACK INTO THE AREA BY MIDNIGHT SATURDAY NIGHT. SNOW IS EXPECTED TO CONTINUE TO FALL THROUGH SUNDAY...WITH BLOWING SNOW POSSIBLE SUNDAY THROUGH LATE SUNDAY NIGHT. * ACCUMULATIONS...ICE ACCUMULATIONS AROUND A QUARTER OF AN INCH AND SNOWFALL OF 4 TO 6 INCHES ARE LIKELY. * WIND AND VISIBILITY...NORTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS TO 40 MPH ARE POSSIBLE THROUGHOUT THE DAY ON SUNDAY AND SUNDAY NIGHT REDUCING VISIBILITIES TO ONE MILE OR LESS AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND ICE ARE EXPECTED. STRONG WINDS ARE ALSO LIKELY. THIS WILL MAKE TRAVEL VERY HAZARDOUS. && $$ MNZ071-072-080-097-098-SDZ040-055-056-061-062-230130- /O.CON.KFSD.WS.W.0002.100123T0000Z-100124T0000Z/ LINCOLN-LYON-MURRAY-PIPESTONE-ROCK-BROOKINGS-LAKE-MOODY-MCCOOK- MINNEHAHA- INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON... IVANHOE...MARSHALL...SLAYTON...FULDA...PIPESTONE...LUVERNE... BROOKINGS...MADISON...FLANDREAU...SALEM...CANISTOTA... BRIDGEWATER...MONTROSE...SIOUX FALLS 1118 AM CST FRI JAN 22 2010 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST SATURDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST SATURDAY. * TIMING...FREEZING RAIN IS EXPECTED TO MOVE INTO THE AREA THIS EVENING POSSIBLY BEGINNING AS A BRIEF PERIOD OF SNOW OR SLEET. FREEZING RAIN WILL THEN CONTINUE THROUGH SATURDAY MORNING BEFORE MIXING WITH SNOW AGAIN AT TIMES SATURDAY AFTERNOON. MUCH OF THE HEAVIER ICE ACCUMULATION WILL OCCUR THIS EVENING AND INTO EARLY SATURDAY...WITH ANY ACCUMULATION OF SNOW ON SATURDAY AFTERNOON. * ACCUMULATIONS...ICE ACCUMULATIONS OF A QUARTER TO A THIRD OF AN INCH....AND SNOWFALL OF UP TO 2 INCHES THROUGH SATURDAY AFTERNOON. * WIND AND VISIBILITY...NORTHWEST WINDS OF 20 TO 30 MPH WILL OCCUR ON SATURDAY. STRONGER WINDS ARE LIKELY ON SUNDAY AS THE STORM PULLS AWAY FROM THE AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND ICE ARE EXPECTED. STRONG WINDS ARE ALSO LIKELY. THIS WILL MAKE TRAVEL VERY HAZARDOUS. && $$ SDZ050-059-060-063-064-230130- /O.CON.KFSD.WW.Y.0003.100122T1800Z-100125T1200Z/ GREGORY-DAVISON-HANSON-CHARLES MIX-DOUGLAS- INCLUDING THE CITIES OF...GREGORY...BURKE...MITCHELL... ALEXANDRIA...EMERY...WAGNER...PLATTE...LAKE ANDES...MARTY... ARMOUR...CORSICA...DELMONT 1118 AM CST FRI JAN 22 2010 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST MONDAY. * TIMING...FREEZING RAIN IS EXPECTED TO MOVE INTO THE AREA THIS AFTERNOON. BY SATURDAY AFTERNOON...THE PRECIPITATION WILL TRANSITION TO ALL SNOW AND CONTINUE TO FALL THROUGH SUNDAY. BLOWING SNOW WILL BE POSSIBLE SUNDAY THROUGH LATE SUNDAY NIGHT. * ACCUMULATIONS...ICE ACCUMULATIONS OF A TENTH TO A QUARTER OF AN INCH ARE LIKELY THROUGH SATURDAY AFTERNOON...AS WELL AS SNOWFALL OF 2 TO 4 INCHES THROUGH SUNDAY NIGHT. * WIND AND VISIBILITY...NORTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS TO 40 MPH ARE POSSIBLE THROUGHOUT THE DAY ON SUNDAY AND SUNDAY NIGHT OCCASIONALLY REDUCING VISIBILITIES TO ONE MILE OR LESS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ IAZ001-002-MNZ081-089-090-SDZ065>069-230130- /O.CON.KFSD.WW.Y.0003.100123T0000Z-100124T0000Z/ LYON-OSCEOLA-COTTONWOOD-NOBLES-JACKSON-HUTCHINSON-TURNER-LINCOLN- BON HOMME-YANKTON- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SIBLEY...WINDOM...MOUNTAIN LAKE...WORTHINGTON... JACKSON...LAKEFIELD...PARKSTON...FREEMAN...MENNO...TRIPP... PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR... CANTON...LENNOX...TEA...HARRISBURG...TYNDALL...SCOTLAND... SPRINGFIELD...AVON...TABOR...YANKTON 1118 AM CST FRI JAN 22 2010 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST SATURDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST SATURDAY. * TIMING...FREEZING RAIN IS EXPECTED TO MOVE INTO THE AREA THIS EVENING...POSSIBLY BEGINNING AS A BRIEF PERIOD OF SNOW OR SLEET. FREEZING RAIN OR RAIN IS EXPECTED TO CONTINUE THROUGH SATURDAY AFTERNOON. * ACCUMULATIONS...ICE ACCUMULATIONS OF AROUND A QUARTER OF AN INCH. ANY SNOWFALL ACCUMULATION WILL BE LESS THAN AN INCH. * WIND AND VISIBILITY...NORTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS TO 40 MPH ARE POSSIBLE THROUGHOUT THE DAY ON SUNDAY AND SUNDAY NIGHT OCCASIONALLY REDUCING VISIBILITIES TO ONE MILE OR LESS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ IAZ003-012>014-230130- /O.CON.KFSD.WW.Y.0003.100123T0000Z-100123T1800Z/ DICKINSON-SIOUX-OBRIEN-CLAY- INCLUDING THE CITIES OF...SPIRIT LAKE...MILFORD...ARNOLDS PARK... ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN... SPENCER 1118 AM CST FRI JAN 22 2010 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON CST SATURDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON CST SATURDAY. * TIMING...FREEZING RAIN IS EXPECTED TO MOVE INTO THE AREA THIS EVENING POSSIBLY BEGINNING AS A BRIEF PERIOD OF SNOW OR SLEET. PRECIPITATION WILL CHANGE TO RAIN ON SATURDAY MORNING. * ACCUMULATIONS...ICE ACCUMULATIONS OF A TENTH TO A QUARTER OF AN INCH. ANY SNOWFALL ACCUMULATION WILL BE LESS THAN AN INCH. * WIND AND VISIBILITY...NORTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS TO 40 MPH ARE POSSIBLE THROUGHOUT THE DAY ON SUNDAY AND SUNDAY NIGHT OCCASIONALLY REDUCING VISIBILITIES TO ONE MILE OR LESS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ JH
299 WWUS43 KFSD 222105 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 305 PM CST FRI JAN 22 2010 .FREEZING RAIN OR RAIN WILL CONTINUE ACROSS MUCH OF THE AREA TONIGHT...WITH FREEZING RAIN MORE LIKELY IN HIGHER ELEVATIONS FROM CHAMBERLAIN AND PLANKINTON...ACROSS THE AREA NORTH OF INTERSTATE 90 INTO SOUTHWEST MINNESOTA. LOWER ELEVATIONS WILL MORE LIKELY SEE RAIN AS TEMPERATURES REMAIN AT OR JUST ABOVE FREEZING. MNZ098-SDZ061-062-230515- /O.CAN.KFSD.WS.W.0002.100123T0000Z-100124T0000Z/ /O.EXB.KFSD.WW.Y.0003.100123T0000Z-100123T1200Z/ ROCK-MCCOOK-MINNEHAHA- INCLUDING THE CITIES OF...LUVERNE...SALEM...CANISTOTA... BRIDGEWATER...MONTROSE...SIOUX FALLS 305 PM CST FRI JAN 22 2010 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST SATURDAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR FREEZING RAIN...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST SATURDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. * TIMING...PERIODS OF FREEZING RAIN OR RAIN WILL CONTINUE THROUGH TONIGHT. FREEZING RAIN IS MOST LIKELY IN HIGHER ELEVATIONS...WHILE TEMPERATURES IN VALLEY AREAS ARE MORE LIKELY TO BE JUST ABOVE FREEZING...LIMITING THE ICE ACCUMULATION. BY DAYBREAK SATURDAY... TEMPERATURES THROUGHOUT THE AREA ARE EXPECTED TO WARM ABOVE FREEZING...CHANGING ALL PRECIPITATION TO JUST RAIN. * ACCUMULATIONS...ICE ACCUMULATIONS WILL RANGE FROM A FEW HUNDREDTHS OF AN INCH IN VALLEY AREAS...TO NEAR A QUARTER INCH IN HIGHER ELEVATIONS ALONG THE BUFFALO RIDGE IN SOUTHWEST MINNESOTA. * WIND AND VISIBILITY...SOUTHEAST WINDS OF 20 TO 30 MPH COULD RESULT IN SPOTTY POWER OUTAGES...DUE TO BREAKING OF ICE-LADEN POWER LINES AND TREES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ IAZ003-012>014-222215- /O.CAN.KFSD.WW.Y.0003.100123T0000Z-100123T1800Z/ DICKINSON-SIOUX-OBRIEN-CLAY- INCLUDING THE CITIES OF...SPIRIT LAKE...MILFORD...ARNOLDS PARK... ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...SANBORN... SPENCER 305 PM CST FRI JAN 22 2010 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE WINTER WEATHER ADVISORY. TEMPERATURES ARE EXPECTED TO REMAIN AT OR ABOVE FREEZING...LIMITING ANY ICE ACCUMULATION ACROSS THE AREA. $$ IAZ002-222215- /O.CAN.KFSD.WW.Y.0003.100123T0000Z-100124T0000Z/ OSCEOLA- INCLUDING THE CITY OF...SIBLEY 305 PM CST FRI JAN 22 2010 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE WINTER WEATHER ADVISORY. TEMPERATURES ARE EXPECTED TO REMAIN AT OR ABOVE FREEZING...LIMITING ANY ICE ACCUMULATION ACROSS THE AREA. $$ SDZ038-039-052>054-057-058-230515- /O.EXT.KFSD.WS.W.0002.000000T0000Z-100123T1800Z/ BEADLE-KINGSBURY-JERAULD-SANBORN-MINER-BRULE-AURORA- INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON... LAKE PRESTON...WESSINGTON SPRINGS...ALPENA...WOONSOCKET... HOWARD...CHAMBERLAIN...KIMBALL...PLANKINTON...WHITE LAKE... STICKNEY 305 PM CST FRI JAN 22 2010 ...WINTER STORM WARNING NOW IN EFFECT UNTIL NOON CST SATURDAY... THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL NOON CST SATURDAY. * TIMING...PERIODS OF FREEZING RAIN OR RAIN WILL CONTINUE THROUGH TONIGHT. FREEZING RAIN IS MOST LIKELY IN HIGHER ELEVATIONS...WHILE TEMPERATURES IN VALLEY AREAS ARE MORE LIKELY TO BE JUST ABOVE FREEZING...LIMITING THE ICE ACCUMULATION. PRECIPITATION WILL BE MOVING OUT OF THE AREA BY MIDDAY SATURDAY. * ACCUMULATIONS...ICE ACCUMULATIONS WILL RANGE FROM AROUND A TENTH OF AN INCH IN THE VALLEY AREAS AROUND CHAMBERLAIN AND FORESTBURG...TO NEAR A QUARTER INCH IN HIGHER ELEVATIONS WEST OF THE JAMES RIVER VALLEY. * WIND AND VISIBILITY...SOUTHEAST WINDS OF 15 TO 30 MPH COULD RESULT IN POWER OUTAGES...DUE TO BREAKING OF ICE-LADEN POWER LINES AND TREES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND ICE ARE EXPECTED. STRONG WINDS ARE ALSO LIKELY. THIS WILL MAKE TRAVEL VERY HAZARDOUS. && $$ MNZ071-072-080-097-SDZ040-055-056-230515- /O.CON.KFSD.WS.W.0002.100123T0000Z-100124T0000Z/ LINCOLN-LYON-MURRAY-PIPESTONE-BROOKINGS-LAKE-MOODY- INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON... IVANHOE...MARSHALL...SLAYTON...FULDA...PIPESTONE...BROOKINGS... MADISON...FLANDREAU 305 PM CST FRI JAN 22 2010 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST SATURDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST SATURDAY. * TIMING...PERIODS OF FREEZING RAIN OR RAIN WILL CONTINUE THROUGH TONIGHT AND MUCH OF SATURDAY...THOUGH TEMPERATURES IN VALLEY AREAS MAY CLIMB TO JUST ABOVE FREEZING AT TIMES. PRECIPITATION WILL BE MOVING OUT OF THE AREA BY SATURDAY EVENING. * ACCUMULATIONS...ICE ACCUMULATIONS OF A QUARTER TO A HALF AN INCH...WITH THE GREATEST ICE ACCUMULATION EXPECTED IN THE HIGHEST ELEVATIONS ALONG THE BUFFALO RIDGE IN SOUTHWEST MINNESOTA. * WIND AND VISIBILITY...SOUTHEAST WINDS OF 20 TO 30 MPH COULD RESULT IN POWER OUTAGES...DUE TO BREAKING OF ICE-LADEN POWER LINES AND TREES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW AND ICE ARE EXPECTED. STRONG WINDS ARE ALSO LIKELY. THIS WILL MAKE TRAVEL VERY HAZARDOUS. && $$ SDZ050-059-060-063-064-230515- /O.EXT.KFSD.WW.Y.0003.000000T0000Z-100123T1200Z/ GREGORY-DAVISON-HANSON-CHARLES MIX-DOUGLAS- INCLUDING THE CITIES OF...GREGORY...BURKE...MITCHELL... ALEXANDRIA...EMERY...WAGNER...PLATTE...LAKE ANDES...MARTY... ARMOUR...CORSICA...DELMONT 305 PM CST FRI JAN 22 2010 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 6 AM CST SATURDAY... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 6 AM CST SATURDAY. * TIMING...PERIODS OF FREEZING RAIN OR RAIN WILL CONTINUE THROUGH TONIGHT. FREEZING RAIN IS MOST LIKELY IN HIGHER ELEVATIONS...WHILE TEMPERATURES IN VALLEY AREAS ARE MORE LIKELY TO BE JUST ABOVE FREEZING...LIMITING THE ICE ACCUMULATION. BY DAYBREAK SATURDAY... TEMPERATURES THROUGHOUT THE AREA ARE EXPECTED TO WARM ABOVE FREEZING...CHANGING ALL PRECIPITATION TO JUST RAIN. * ACCUMULATIONS...ICE ACCUMULATIONS UP TO A TENTH OF AN INCH ARE EXPECTED...WITH THE GREATEST THREAT OF ICE ACCUMULATIONS IN THE HIGHER ELEVATIONS AROUND THE JAMES RIVER VALLEY. * WIND AND VISIBILITY...SOUTHEAST WINDS OF 15 TO 30 MPH COULD RESULT IN SPOTTY POWER OUTAGES...DUE TO BREAKING OF ICE-LADEN POWER LINES AND TREES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ IAZ001-MNZ081-089-090-SDZ065>069-230515- /O.EXT.KFSD.WW.Y.0003.100123T0000Z-100123T1200Z/ LYON-COTTONWOOD-NOBLES-JACKSON-HUTCHINSON-TURNER-LINCOLN- BON HOMME-YANKTON- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...WINDOM...MOUNTAIN LAKE...WORTHINGTON...JACKSON... LAKEFIELD...PARKSTON...FREEMAN...MENNO...TRIPP...PARKER... CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...CANTON... LENNOX...TEA...HARRISBURG...TYNDALL...SCOTLAND...SPRINGFIELD... AVON...TABOR...YANKTON 305 PM CST FRI JAN 22 2010 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST SATURDAY... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST SATURDAY. * TIMING...PERIODS OF FREEZING RAIN OR RAIN WILL CONTINUE THROUGH TONIGHT. FREEZING RAIN IS MOST LIKELY IN HIGHER ELEVATIONS...WHILE TEMPERATURES IN VALLEY AREAS ARE MORE LIKELY TO BE JUST ABOVE FREEZING...LIMITING THE ICE ACCUMULATION. BY DAYBREAK SATURDAY... TEMPERATURES THROUGHOUT THE AREA ARE EXPECTED TO WARM ABOVE FREEZING...CHANGING ALL PRECIPITATION TO JUST RAIN. * ACCUMULATIONS...ICE ACCUMULATIONS UP TO A TENTH OF AN INCH ARE EXPECTED...WITH THE GREATEST THREAT OF ICE ACCUMULATIONS IN THE HIGHER ELEVATIONS AROUND THE JAMES RIVER VALLEY. * WIND AND VISIBILITY...SOUTHEAST WINDS OF 20 TO 30 MPH COULD RESULT IN SPOTTY POWER OUTAGES...DUE TO BREAKING OF ICE-LADEN POWER LINES AND TREES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ JH
351 WWUS43 KFSD 230310 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 910 PM CST FRI JAN 22 2010 .FREEZING RAIN OR RAIN WILL CONTINUE ACROSS MUCH OF THE AREA TONIGHT...WITH FREEZING RAIN MORE LIKELY IN HIGHER ELEVATIONS FROM CHAMBERLAIN...ACROSS THE AREA NORTH OF INTERSTATE 90 INTO SOUTHWEST MINNESOTA. LOWER ELEVATIONS WILL MORE LIKELY SEE RAIN AS TEMPERATURES REMAIN AT OR JUST ABOVE FREEZING. MNZ071-072-080-097-SDZ040-055-056-231115- /O.CAN.KFSD.WS.W.0002.000000T0000Z-100124T0000Z/ /O.EXB.KFSD.WW.Y.0003.000000T0000Z-100124T0000Z/ LINCOLN-LYON-MURRAY-PIPESTONE-BROOKINGS-LAKE-MOODY- INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON... IVANHOE...MARSHALL...SLAYTON...FULDA...PIPESTONE...BROOKINGS... MADISON...FLANDREAU 910 PM CST FRI JAN 22 2010 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM CST SATURDAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR FREEZING RAIN...WHICH IS IN EFFECT UNTIL 6 PM CST SATURDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. * TIMING...PERIODS OF FREEZING RAIN OR RAIN WILL CONTINUE THROUGH TONIGHT AND INTO THE DAY ON SATURDAY. FREEZING RAIN IS MOST LIKELY IN HIGHER ELEVATIONS... WHILE TEMPERATURES IN VALLEY AREAS ARE MORE LIKELY TO BE JUST ABOVE FREEZING...LIMITING THE ICE ACCUMULATION. PRECIPITATION WILL MOVE OUT OF THE AREA BY SATURDAY EVENING. * ACCUMULATIONS...ICE ACCUMULATIONS UP TO A TENTH OF AN INCH ARE EXPECTED...WITH THE GREATEST THREAT OF ICE ACCUMULATIONS IN THE HIGHER ELEVATIONS ALONG THE BUFFALO RIDGE. * WIND AND VISIBILITY...SOUTHEAST WINDS OF 20 TO 30 MPH COULD RESULT IN SPOTTY POWER OUTAGES...DUE TO BREAKING OF ICE-LADEN POWER LINES AND TREES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ SDZ038-039-052>054-057-231115- /O.CAN.KFSD.WS.W.0002.000000T0000Z-100123T1800Z/ /O.EXB.KFSD.WW.Y.0003.000000T0000Z-100123T1800Z/ BEADLE-KINGSBURY-JERAULD-SANBORN-MINER-BRULE- INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON... LAKE PRESTON...WESSINGTON SPRINGS...ALPENA...WOONSOCKET... HOWARD...CHAMBERLAIN...KIMBALL 910 PM CST FRI JAN 22 2010 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON CST SATURDAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR FREEZING RAIN...WHICH IS IN EFFECT UNTIL NOON CST SATURDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. * TIMING...PERIODS OF FREEZING RAIN OR RAIN WILL CONTINUE THROUGH TONIGHT. FREEZING RAIN IS MOST LIKELY IN HIGHER ELEVATIONS... WHILE TEMPERATURES IN VALLEY AREAS ARE MORE LIKELY TO BE JUST ABOVE FREEZING...LIMITING THE ICE ACCUMULATION. PRECIPITATION IS EXPECTED TO MOVE OUT OF THE AREA ON SATURDAY MORNING. * ACCUMULATIONS...ICE ACCUMULATIONS UP TO A TENTH OF AN INCH ARE EXPECTED...WITH THE GREATEST THREAT OF ICE ACCUMULATIONS IN THE HIGHER ELEVATIONS AROUND THE JAMES AND MISSOURI RIVER VALLEYS. * WIND AND VISIBILITY...SOUTHEAST WINDS OF 20 TO 30 MPH COULD RESULT IN SPOTTY POWER OUTAGES...DUE TO BREAKING OF ICE-LADEN POWER LINES AND TREES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ SDZ058-230415- /O.CAN.KFSD.WS.W.0002.000000T0000Z-100123T1800Z/ AURORA- INCLUDING THE CITIES OF...PLANKINTON...WHITE LAKE...STICKNEY 910 PM CST FRI JAN 22 2010 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE WINTER STORM WARNING. TEMPERATURES WILL REMAIN ABOVE FREEZING THUS LIMITING THE IMPACT OF ANY ICING OVERNIGHT. THEREFORE...THE WINTER STORM WARNING FOR AURORA COUNTY IS CANCELLED. $$ IAZ001-MNZ098-SDZ050-059>069-230415- /O.CAN.KFSD.WW.Y.0003.000000T0000Z-100123T1200Z/ LYON-ROCK-GREGORY-DAVISON-HANSON-MCCOOK-MINNEHAHA-CHARLES MIX- DOUGLAS-HUTCHINSON-TURNER-LINCOLN-BON HOMME-YANKTON- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...LUVERNE...GREGORY...BURKE...MITCHELL...ALEXANDRIA... EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE... SIOUX FALLS...WAGNER...PLATTE...LAKE ANDES...MARTY...ARMOUR... CORSICA...DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP...PARKER... CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...CANTON... LENNOX...TEA...HARRISBURG...TYNDALL...SCOTLAND...SPRINGFIELD... AVON...TABOR...YANKTON 910 PM CST FRI JAN 22 2010 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE WINTER WEATHER ADVISORY. TEMPERATURES WILL REMAIN ABOVE FREEZING...THUS LIMITING THE POTENTIAL FOR ICING. THEREFORE...THE WINTER WEATHER ADVISORY IS CANCELED. $$ MNZ081-089-090-231115- /O.EXT.KFSD.WW.Y.0003.000000T0000Z-100124T0000Z/ COTTONWOOD-NOBLES-JACKSON- INCLUDING THE CITIES OF...WINDOM...MOUNTAIN LAKE...WORTHINGTON... JACKSON...LAKEFIELD 910 PM CST FRI JAN 22 2010 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 6 PM CST SATURDAY... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 6 PM CST SATURDAY. * TIMING...PERIODS OF FREEZING RAIN OR RAIN WILL CONTINUE THROUGH TONIGHT INTO SATURDAY. FREEZING RAIN IS MOST LIKELY IN HIGHER ELEVATIONS... WHILE TEMPERATURES IN VALLEY AREAS ARE MORE LIKELY TO BE JUST ABOVE FREEZING...LIMITING THE ICE ACCUMULATION. PRECIPITATION IS EXPECTED TO MOVE OUT OF THE AREA BY SATURDAY EVENING. * ACCUMULATIONS...ICE ACCUMULATIONS UP TO A TENTH OF AN INCH ARE EXPECTED...WITH THE GREATEST THREAT OF ICE ACCUMULATIONS IN THE HIGHER ELEVATIONS AROUND THE BUFFALO RIDGE. * WIND AND VISIBILITY...SOUTHEAST WINDS OF 20 TO 30 MPH COULD RESULT IN SPOTTY POWER OUTAGES...DUE TO BREAKING OF ICE-LADEN POWER LINES AND TREES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ BT
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 Jan 21, 8:45 PM CST, 7 hours 5 minutes earlier.
Area forecast discussion, Jan 21, 8:45 PM CST, 7 hours 5 minutes before
AREA FORECAST DISCUSSION FOR SOUTHEAST SD/SOUTHWEST MN/NORTHWEST IA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
845 PM CST THU JAN 21 2010
.DISCUSSION...FOG IS WDSPRD E OF THE JAMES RV THIS EVE WITH AREAS OF
DENSE FOG E OF I29. WL LEAVE DENSE FOG ADVY GOING AS WL NOT SEE ANY
REAL IMPROVMENT TONIGHT INTO FRI MORN. ALSO ADDED AREAS OF -FZDZ E
OF JAMES VALLEY AS LOW LEVEL INVERSION STRENGTHENS ACRS THE E
OVERNIGHT. TEMPS WL FALL ONLY A FEW DEG AT BEST FROM CURRENT TEMPS.
UPDATED GRIDS WERE SENT OUT EARLIER.
&&
.AVIATION...
WIDESPREAD IFR TO LIFR CONDS WL PREVAIL TONIGHT AND FRIDAY MORNING.
SOME VERY LIGHT PATCHY FZDZ CERTAINLY CANNOT BE RULED OUT...BUT THE
MAIN THREAT WILL BE FOGGY CONDITIONS AND LOW STRATUS. EXPECT FOG TO
BE MOST DENSE ALONG AND EAST OF I-29. CEILINGS WILL MOVE VERY LITTLE
ON FRIDAY...AS ANOTHER WEATHER DISTURBANCE MOVES INTO THE AREA.
PRECIPITATION MAY BEGIN AFTER 18Z WEST OF THE JAMES RIVER
VALLEY...SPREADING TOWARDS THE I-29 CORRIDOR AFTER 00Z.
&&
.PREVIOUS DISCUSSION...
REALLY NOT MUCH HAPPENING YET TONIGHT...OTHER THAN THE USUAL STRATUS
QUO AND FOG. DECIDED TO GO AHEAD AND LEAVE THE DENSE FOG ADVY GOING
THRU 11 AM FRIDAY...ALONG AND E OF THE BUFFALO RIDGE IN SW MN. IN
THE IA GRTLKS REGION AND STORM LAKE AREAS...OPTED TO TIME THE ADVY
FM 9 PM THIS EVENING THRU 11 AM FRIDAY. AGAIN...THIS AREA IS ALONG
AND E OF THE RIDGE LINE...WHERE AN E TO SE FETCH OF SFC WIND WL
CONTRIBUTE TO LOCALLY POOR VISIBILITY CONDITIONS WHEN COMPARED TO
ADJACENT AREAS IN IOWA TO THE EAST AND WEST. OTHERWISE WITH THE
STRATUS...OPTED TO RAISE MIN TEMPS TONIGHT A FULL CATEGORY OR EVEN
TWO. THIS IS BASED ON WHAT HAPPENED THIS MORNING...WHEN MOST
LOCATIONS DID NOT FALL OFF MORE THEN 2 DEGS FM WEDNESDAYS MAX
TEMPS. /MJF
THE MAIN LOW PRESSURE WILL JUST BEGIN PUSHING EAST INTO THE PLAINS
ON FRIDAY...INTENSIFYING OVER EASTERN NEBRASKA FRIDAY NIGHT...THEN
SLOWLY LIFTING NORTHEAST INTO SOUTHERN MINNESOTA BY SATURDAY NIGHT.
GFS/CANADIAN REMAIN FAIRLY SIMILAR IN TRACK/TIMING AND WERE LARGELY
USED FOR THIS FORECAST. NAM IS MUCH FARTHER SOUTH AND FASTER THAN
THESE TWO MODELS...AND ECMWF HAS TRENDED CLOSER TO THE GFS/CANADIAN
BUT REMAINS QUITE A BIT FARTHER NORTHWEST.
BROAD WARM ADVECTION/ISENTROPIC LIFT AHEAD OF THE MAIN LOW WILL
BRING PRECIP INTO WESTERN PORTIONS OF THE AREA IN EARNEST BY FRIDAY
AFTERNOON...SPREADING EAST ACROSS THE AREA FRIDAY NIGHT. WITH THIS
INITIAL SHOT OF PRECIP...THERE ARE TWO PRIMARY CONCERNS. FIRST...WE
ARE DEALING WITH AN INITIALLY DRY LAYER BETWEEN 750-900MB. AS LIFT
INCREASES AND PRECIP BEGINS FALLING THROUGH THIS DRY LAYER...GFS
SOUNDINGS INDICATE EVAPORATIVE COOLING POTENTIAL TO NEAR OR JUST
BELOW 0C...MEANING LEADING SHOT OF PRECIP WILL LIKELY BE A BRIEF
PERIOD OF SLEET OR SNOW BEFORE THE ADVECTION OF MOISTURE/WARMER
TEMPS OVERCOMES THIS INITIAL COOLING. EXPECT ANY SNOW/SLEET
ACCUMULATION WILL BE MINIMAL...WITH MOST SIGNIFICANT THREAT FOR
FRIDAY AFTERNOON/NIGHT STILL COMING FROM ICING. SECOND ISSUE IS THE
AFOREMENTIONED MOISTURE/WARM ADVECTION...WHICH PERSISTS ALL THE WAY
THROUGH FRIDAY NIGHT AND THE INCREASING MOISTURE COULD ACTUALLY PUSH
SURFACE TEMPS TO OR ABOVE FREEZING BY DAYBREAK SATURDAY OVER THE
ENTIRE CWA. CURRENTLY HAVE TEMPS REACHING 32-35 IN MOST AREAS BY 12Z
SATURDAY...THOUGH CANNOT RULE OUT EVEN MORE WARMING IF MOISTURE PUSH
IS STRONG ENOUGH. BECAUSE OF UNCERTAINTY FROM THESE TWO FACTORS...
ESPECIALLY THE INCREASING TEMPERATURES FRIDAY NIGHT...HAVE OPTED TO
HOLD ONTO WINTER STORM WATCH FOR NOW INSTEAD OF RESOLVING TO ANY
KIND OF WINTER WEATHER ADVISORY AND/OR ICE STORM WARNING.
NEXT CHALLENGE IS THAT MODELS HAVE BEEN TRENDING TOWARD DEVELOPING
THE DRY SLOT ACROSS MUCH OF OUR AREA FOR THE FIRST HALF OF THE
WEEKEND...DRYING OUT THE MID LEVELS ENOUGH SATURDAY AFTERNOON AND
INTO SATURDAY EVENING THAT WE COULD SEE LITTLE IF ANY PRECIP FALLING
ACROSS THE AREA. MORE CONFIDENT ABOUT DRY SLOT AFFECTING SOUTHERN
PARTS OF THE AREA...AND HAVE TRIMMED POPS QUITE A BIT ALONG THE
MISSOURI VALLEY SATURDAY AFTERNOON...AND INTO NORTHWEST IOWA
SATURDAY NIGHT. HAVE ALSO TEMPERED POPS DOWN ACROSS NORTHERN PARTS
OF THE AREA...THOUGH KEEPING IN HIGH CHANCE-LIKELY RANGE AS SOME
LIGHT PRECIP IS STILL POSSIBLE. TEMPERATURES THROUGH SATURDAY WILL
WARM A LITTLE MORE THROUGH THE MORNING...BEFORE THE LOW PRESSURE
BEGINS TO LIFT NORTHEAST AND ALLOWS COLDER NORTHWEST FLOW TO HALT
THE WARMING IN THE WEST.
STILL POTENTIAL FOR PRECIP WRAPPING BACK INTO WESTERN PARTS OF THE
AREA LATER SATURDAY NIGHT AND ESPECIALLY SUNDAY...AS THE SYSTEM
BEGINS TO WORK EAST...AND AS THIS OCCURS WE WILL BE SEEING ENOUGH
COOLING ALOFT THAT THE WRAPAROUND PRECIP WILL BE ALL SNOW. THIS TIME
PERIOD IS WHEN THE BULK OF ANY SNOW ACCUMULATION SHOULD OCCUR...AND
GENERALLY LOOKING FOR AMOUNTS FROM AN INCH OR TWO IN NORTHWEST IOWA
TO 3-5 INCHES ACROSS THE WEST AND FAR NORTHERN PARTS OF THE CWA. IN
ADDITION TO THE SNOW...WILL SEE NORTHWEST WINDS INCREASING TO 20 TO
30 MPH EXPANDING EAST ACROSS THE AREA...WITH SOME GUSTS NEAR 40 MPH
WEST OF THE JAMES VALLEY SUNDAY INTO SUNDAY NIGHT. AREAS OF BLOWING
SNOW BECOME MORE LIKELY THROUGH THE LATTER HALF OF THE WEEKEND...
ESPECIALLY WHILE THE SNOW IS FALLING.
WILL REMAIN PRETTY BREEZY INTO MONDAY WITH DEEP NORTHWEST FLOW
AROUND THE BACK SIDE OF THE DEPARTING LOW. WILL SEE SMALL CHANCE OF
LINGERING LIGHT SNOW AND/OR BLOWING SNOW INTO MONDAY... WITH PRECIP
WANING THROUGH THE DAY AS SURFACE RIDGE BEGINS TO PUSH INTO THE
WESTERN PLAINS AND BRINGS SOME DRIER INTO WESTERN PORTIONS OF THE
REGION. HOWEVER THREAT OF BLOWING SNOW SHOULD DIMINISH ALONG WITH
FALLING SNOW...AS THIS SNOW WILL BE WETTER AND LESS LIKELY TO BE
LIFTED OFF THE GROUND...UNLIKE THE LIGHTER/DRIER SNOWFALLS WE
RECEIVED EARLIER THIS WINTER. REMAINDER OF THE LONGER RANGE PERIOD
THROUGH THURSDAY LOOKS RELATIVELY DRY BUT COLDER...AS ELONGATED
SURFACE HIGH BEGINS TO PUSH SOUTHEAST FROM THE CANADIAN ROCKIES INTO
THE PLAINS PER GFS. GFS OPERATIONAL RUNS AND ENSEMBLES SHOWING FAIR
AMOUNT OF CONSISTENCY IN THIS PATTERN...WITH ECMWF INDICATING A BIT
STRONGER UPPER LEVEL WAVE DROPPING INTO THE REGION IN THE NORTHERN
STREAM...BUT PREFER THE GFS SOLUTION AT THIS TIME. WITH THIS...BROAD
MID-UPPER LEVEL CYCLONIC FLOW/WEAK MID LEVEL FRONT COULD PRODUCE AN
AREA OF LIGHT PRECIP ACROSS SOUTHERN PORTIONS OF THE FORECAST AREA
TOWARD MIDWEEK...BUT WITH LOW LEVEL RIDGE PUSHING INTO THE AREA
THERE IS SOME QUESTION WHETHER MOISTURE WILL BE DEEP ENOUGH TO
SUPPORT PRECIP REACHING THE SURFACE. WILL LEAVE THE PERIOD DRY FOR
NOW...BUT MAY END UP WITH SOME LOW POPS IN PARTS OF THE AREA FOR
SOMETIME IN WEDNESDAY-THURSDAY TIME FRAME IF MODELS COME AROUND TO
GREATER CONSENSUS.
&&
.FSD WATCHES/WARNINGS/ADVISORIES...
IA...WINTER STORM WATCH FROM FRIDAY EVENING THROUGH LATE SUNDAY NIGHT
FOR IAZ001-002.
DENSE FOG ADVISORY FROM 9 PM THIS EVENING TO 11 AM CST FRIDAY
FOR IAZ002-003-013-014-021-022-032.
MN...WINTER STORM WATCH FROM FRIDAY EVENING THROUGH LATE SUNDAY NIGHT
FOR MNZ071-072-080-081-089-090-097-098.
DENSE FOG ADVISORY UNTIL 11 AM CST FRIDAY FOR MNZ072-080-081-089-
090.
NE...NONE.
SD...WINTER STORM WATCH FROM FRIDAY EVENING THROUGH LATE SUNDAY NIGHT
FOR SDZ040-055-056-060>062-065>069.
WINTER STORM WATCH FROM FRIDAY AFTERNOON THROUGH LATE SUNDAY
NIGHT FOR SDZ038-039-050-052>054-057>059-063-064.
&&Hazardous weather outlook, Jan 21, 5:31 AM CST, 22 hours 19 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SIOUX FALLS SD 0531 AM CST THU JAN 21 2010 SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098- IAZ001>003-012>014-020>022-031-032-NEZ013-014-221200- 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- 0531 AM CST THU JAN 21 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH DAKOTA... SOUTHWEST MINNESOTA...NORTHWEST IOWA...AND NORTHEAST NEBRASKA. .DAY ONE...TODAY AND TONIGHT WINTER WEATHER... WIDESPREAD FOG AND PATCHY LIGHT FREEZING DRIZZLE WILL CAUSE CAUTIOUS TRAVEL CONDITIONS TODAY THROUGH FRIDAY MORNING. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY THERE IS THE POTENTIAL FOR A WINTER STORM BEGINNING LATE FRIDAY AND CONTINUING THROUGH SUNDAY NIGHT. MOSTLY FREEZING RAIN IS EXPECTED TO SPREAD NORTHEAST OVER THE AREA FRIDAY AFTERNOON AND EVENING...CONTINUING INTO THE DAYTIME SATURDAY. ICE ACCUMULATIONS OF OVER A HALF INCH ARE POSSIBLE...ESPECIALLY NEAR AND NORTH OF INTERSTATE 90. THE FREEZING RAIN WILL BE MIXED WITH SNOW AND SLEET NORTH OF INTERSTATE 90...AND MIXED WITH RAIN FROM THE LOWER MISSOURI VALLEY TO NORTHWEST IOWA. HOWEVER...MOST OF THE PRECIPITATION WILL CHANGE TO SNOW FROM WEST TO EAST OVER THE AREA LATE SATURDAY AFTERNOON AND EVENING. THE SNOW COULD BECOME MODERATE TO HEAVY NEAR AND WEST OF THE JAMES VALLEY BY SATURDAY EVENING...CONTINUING INTO SUNDAY...WHEN AREAS OF BLOWING SNOW WILL DEVELOP WITH STRONG NORTHERLY WINDS OF 20 TO 35 MPH. THE SNOW SHOULD TAPER OFF OVER THE AREAS SUNDAY NIGHT. .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. RSR
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 22, 3:50 AM CST | Winter Weather Advisory | FSD | Beadle, Bon Homme, Brookings, Brule, Charles Mix, Davison and 15 more | 34 hr |
Nearby
Winter Storm Warnings in South Dakota, 2010Winter Storm Warnings in Minnesota, 2010Every winter storm warning in 2010
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.