Alert archive / South Dakota / Winter Storm Warnings in 2011
Winter Storm Warning 2, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this winter storm warning at Feb 19, 2011, 4:07 AM CST for 17 counties in South Dakota; 8 counties in Minnesota; Lyon County, Iowa. It took effect at Feb 20, 2011, 3:00 AM CST. It was in force for 18 hr. 15 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
- Feb 19, 2011, 4:07 AM CST (10:07 UTC)
- In effect from
- Feb 20, 2011, 3:00 AM CST
- Expired
- Feb 20, 2011, 9:11 PM CST
- In force
- 18 hr
- Issued by
- NWS Sioux Falls, SD
All 26 counties
Lyon County, IA, Cottonwood County, MN, Jackson County, MN, Lincoln County, MN, Lyon County, MN, Murray County, MN, Nobles County, MN, Pipestone County, MN, Rock County, MN, Aurora County, SD, Beadle County, SD, Brookings County, SD, Brule County, SD, Davison County, SD, Hanson County, SD, Hutchinson County, SD, Jerauld County, SD, Kingsbury County, SD, Lake County, SD, Lincoln County, SD, McCook County, SD, Miner County, SD, Minnehaha County, SD, Moody County, SD, Sanborn County, SD, Turner County, SD
The radar
The Sioux Falls radar (KFSD), 40 km from the middle of the area, began a volume at 10:09 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 |
|---|---|---|---|
| Feb 20, 6:00 AM CST | SNOW 1.5 | Huron, SD | |
| Feb 20, 7:00 AM CST | SLEET 1.5 | 4 Sse Sioux Falls, SD | WITH 0.61 OF WATER...SOME FZRA ALSO. |
| Feb 20, 8:00 AM CST | SLEET 1 | Sioux Falls, SD | 1 INCH IS COMBINED SLEET AND SNOW...BUT MOSTLY SLEET |
| Feb 20, 8:00 AM CST | SNOW 3 | 4 N Currie, MN | |
| Feb 20, 9:00 AM CST | SNOW 3.5 | Brookings, SD | SOME SLEET...BUT MOSTLY SNOW. |
| Feb 20, 9:00 AM CST | HEAVY SNOW 4 | 4 N Currie, MN | SNOWFALL RATE 1 INCH PER HOUR. |
| Feb 20, 9:00 AM CST | HEAVY SNOW 4.5 | S Brookings, SD | SNOW ACCUMULATED IN JUST UNDER 4 HOURS. ALSO HAD A COUPLE OF BRIEF PERIODS OF SLEET. |
| Feb 20, 11:00 AM CST | SNOW 6 | Huron, SD | |
| Feb 20, 11:40 AM CST | SNOW 4 | 2 Wsw Bancroft, SD | |
| Feb 20, 12:00 PM CST | SNOW 5.4 | Mitchell, SD | |
| Feb 20, 1:00 PM CST | SLEET 1.3 | Sioux Falls, SD | 1.3 INCHES IS COMBINED SLEET AND SNOW...BUT MOSTLY SLEET |
| Feb 20, 1:38 PM CST | HEAVY SNOW 5.8 | 4 N Currie, MN | SNOWFALL RATES HAVE BEEN 1 INCH PER HOUR AT TIMES. |
| Feb 20, 4:23 PM CST | SNOW 8 | Brookings, SD | |
| Feb 20, 5:30 PM CST | SNOW 6.8 | Mitchell, SD | |
| Feb 20, 6:00 PM CST | SNOW 10 | Huron, 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, 10.1 hours before the alert went out and 158 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
- 1189 m above ground
- 0-6 km bulk shear
- 74 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 225 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
240 WWUS43 KFSD 191007 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 407 AM CST SAT FEB 19 2011 .A STRONG AREA OF LOW PRESSURE WILL MOVE ACROSS THE CENTRAL PLAINS SATURDAY NIGHT AND SUNDAY...EXITING THROUGH THE SOUTHERN GREAT LAKES EARLY MONDAY MORNING. AS THE LOW MOVES EASTWARD... PRECIPITATION WILL BECOME WIDESPREAD ACROSS THE REGION TONIGHT. THE AIR SHOULD BE COLD ENOUGH TO PRODUCE ALL SNOW GENERALLY ALONG AND NORTH OF A LINE FROM WINDOM MINNESOTA...TO DELL RAPIDS SOUTH DAKOTA...AND INTO GREGORY COUNTY SOUTH DAKOTA. ALONG THE I 90 CORRIDOR...A WINTRY MIX OF FREEZING RAIN AND SNOW WILL OCCUR...WITH A MIX OF RAIN AND FREEZING RAIN IN EXTREME SOUTHEAST SOUTH DAKOTA AND EXTREME NORTHWEST IOWA. BEFORE THE STORM COMPLETELY ENDS EARLY MONDAY MORNING...HEAVY SNOWFALL AMOUNTS ARE EXPECTED ALONG AND NORTH OF I 90... WITH A WIDESPREAD 8 TO 14 INCHES. STRONG NORTH WINDS WILL ALSO DEVELOP ACROSS THE REGION SUNDAY INTO SUNDAY NIGHT CREATING AREAS OF BLOWING SNOW. SOUTH OF I 90...THE SNOW AMOUNTS SHOULD RAPIDLY TAPER OFF...BUT THEN ICE ACCUMULATIONS MAY APPROACH HALF AN INCH. THE TRACK OF THE LOW IS CRITICAL FOR THESE SNOW AND ICE ACCUMULATIONS...AND ANY SMALL DEVIATION OF THE LOW TRACK WILL SIGNIFICANTLY ALTER SNOW AND ICE ACCUMULATIONS. THEREFORE...A WINTER STORM WATCH REMAINS IN EFFECT FOR FAR SOUTHEASTERN SOUTH DAKOTA. MNZ071-072-080-081-097-SDZ038>040-052>058-191815- /O.UPG.KFSD.WS.A.0001.110220T0600Z-110221T0600Z/ /O.NEW.KFSD.WS.W.0002.110220T1200Z-110221T1200Z/ LINCOLN-LYON-MURRAY-COTTONWOOD-PIPESTONE-BEADLE-KINGSBURY- BROOKINGS-JERAULD-SANBORN-MINER-LAKE-MOODY-BRULE-AURORA- INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON... IVANHOE...MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE... PIPESTONE...HURON...DE SMET...ARLINGTON...LAKE PRESTON... BROOKINGS...WESSINGTON SPRINGS...ALPENA...WOONSOCKET...HOWARD... MADISON...FLANDREAU...CHAMBERLAIN...KIMBALL...PLANKINTON... WHITE LAKE...STICKNEY 407 AM CST SAT FEB 19 2011 ...WINTER STORM WARNING IN EFFECT FROM 6 AM SUNDAY TO 6 AM CST MONDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 6 AM SUNDAY TO 6 AM CST MONDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...HEAVY SNOW WILL DEVELOP SATURDAY NIGHT AND CONTINUE ON SUNDAY...THEN DIMINISH MONDAY MORNING. * ACCUMULATIONS...A WIDESPREAD 8 TO 14 INCHES OF SNOW IS EXPECTED NORTH OF INTERSTATE 90. * WIND AND VISIBILITY...NORTH WINDS WILL INCREASE TO 20 TO 35 MPH ON SUNDAY AND SUNDAY NIGHT. ALONG WITH THE HEAVY SNOW... BLOWING SNOW WILL REDUCE VISIBILITIES TO LESS THAN A HALF MILE...ESPECIALLY IN OPEN AREAS. * WIND CHILL VALUES...WIND CHILL VALUES OF ZERO TO 10 BELOW WILL BE LIKELY SUNDAY NIGHT ALONG AND WEST OF THE JAMES RIVER. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ IAZ001-MNZ089-090-098-SDZ059>062-065>067-191815- /O.UPG.KFSD.WS.A.0001.110220T0600Z-110221T0600Z/ /O.NEW.KFSD.WS.W.0002.110220T0900Z-110221T1200Z/ LYON-NOBLES-JACKSON-ROCK-DAVISON-HANSON-MCCOOK-MINNEHAHA- HUTCHINSON-TURNER-LINCOLN- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...WORTHINGTON...JACKSON...LAKEFIELD...LUVERNE... MITCHELL...ALEXANDRIA...EMERY...SALEM...CANISTOTA...BRIDGEWATER... MONTROSE...SIOUX FALLS...PARKSTON...FREEMAN...MENNO...TRIPP... PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR... CANTON...LENNOX...TEA...HARRISBURG 407 AM CST SAT FEB 19 2011 ...WINTER STORM WARNING IN EFFECT FROM 3 AM SUNDAY TO 6 AM CST MONDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER STORM WARNING FOR MIXED PRECIPITATION...WHICH IS IN EFFECT FROM 3 AM SUNDAY TO 6 AM CST MONDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...FREEZING RAIN AND SNOW WILL DEVELOP EARLY SUNDAY MORNING AND CONTINUE THROUGHOUT THE DAY BEFORE DIMINISHING MONDAY MORNING. THE FREEZING RAIN WILL MAINLY BE CONFINED TO AREAS ALONG AND SOUTH OF INTERSTATE 90...MIXING WITH AND CHANGING OVER TO SNOW BY SUNDAY AFTERNOON. * ACCUMULATIONS...A TIGHT GRADIENT OF BOTH SNOWFALL AND ICE ACCUMULATIONS ARE EXPECTED ACROSS THE AREA. SNOWFALL ACCUMULATIONS WILL VARY FROM NEAR TWO INCHES SOUTH OF INTERSTATE 90 IN SOUTHERN MINNESOTA...TO NEAR TEN INCHES NEAR MITCHELL. WHERE THE SNOWFALL IS LESS...THERE WILL BE AN INCREASED THREAT FOR ICE WHERE UP TO A QUARTER OF AN INCH OF ICE IS EXPECTED. * WIND AND VISIBILITY...WINDS WILL INCREASE TO 20 TO 35 MPH ON SUNDAY INTO SUNDAY NIGHT. THESE STRONG WINDS WILL PRODUCE BLOWING SNOW...REDUCING VISIBILITY BELOW A HALF MILE...ESPECIALLY IN OPEN AREAS. IN ADDITION...SOME POWER LINE STRESS MAY OCCUR IN EXTREME SOUTHEAST SOUTH DAKOTA AND FAR NORTHWEST IOWA AS ICE ACCUMULATIONS APPROACH A QUARTER OF AN INCH. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ IAZ002-003-012>014-SDZ050-063-064-068>071-191815- /O.CON.KFSD.WS.A.0001.110220T0600Z-110221T0600Z/ OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-GREGORY-CHARLES MIX-DOUGLAS- BON HOMME-YANKTON-UNION- INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD... ARNOLDS PARK...ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY... SANBORN...SPENCER...GREGORY...BURKE...WAGNER...PLATTE... LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT...TYNDALL... SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON...VERMILLION... NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON 407 AM CST SAT FEB 19 2011 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY EVENING... A WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY EVENING. * TIMING...A WINTRY MIX OF PRECIPITATION IS EXPECTED TO DEVELOP SATURDAY NIGHT AND CONTINUE INTO SUNDAY NIGHT. PRECIPITATION MAY BEGIN AS RAIN OR FREEZING RAIN...BEFORE CHANGING OVER TO SNOW DURING THE DAY ON SUNDAY. * ACCUMULATIONS...THERE WILL BE A FAIRLY TIGHT CUTOFF IN TERMS OF SNOWFALL AND ICE ACCUMULATIONS WITH THIS SYSTEM. AT THIS TIME...THE HEAVIEST ICING APPEARS TO EXTEND ALONG A LINE FROM YANKTON SOUTH DAKOTA THROUGH SPENCER IOWA....WHERE UP TO A HALF AN INCH OF ICE WILL BE POSSIBLE. FURTHER TO THE NORTH AND WEST...PRECIPITATION WILL FALL MORE AS SNOW WITH THE POTENTIAL FOR FOUR TO EIGHT INCHES OF SNOW. * WIND AND VISIBILITY...WINDS WILL INCREASE TO 20 TO 35 MPH ON SUNDAY AND SUNDAY NIGHT. SOME POWER LINE STRESS MAY OCCUR IN EXTREME SOUTHEAST SOUTH DAKOTA AND FAR NORTHWEST IOWA IF ICE ACCUMULATIONS GET CLOSE TO A QUARTER OF AN INCH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ BT
7 follow-up statements
539 WWUS43 KFSD 191645 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 1045 AM CST SAT FEB 19 2011 .A STRONG AREA OF LOW PRESSURE WILL MOVE ACROSS THE CENTRAL PLAINS SATURDAY NIGHT AND SUNDAY...EXITING THROUGH THE SOUTHERN GREAT LAKES EARLY MONDAY MORNING. AS THE LOW MOVES EASTWARD... PRECIPITATION WILL BECOME WIDESPREAD ACROSS THE REGION TONIGHT. THE AIR SHOULD BE COLD ENOUGH TO PRODUCE ALL SNOW GENERALLY ALONG AND NORTH OF A LINE FROM WINDOM MINNESOTA...TO DELL RAPIDS SOUTH DAKOTA...AND INTO GREGORY COUNTY SOUTH DAKOTA. ALONG THE I 90 CORRIDOR...A WINTRY MIX OF FREEZING RAIN AND SNOW WILL OCCUR... WITH A MIX OF RAIN AND FREEZING RAIN IN EXTREME SOUTHEAST SOUTH DAKOTA AND EXTREME NORTHWEST IOWA. BEFORE THE STORM COMPLETELY ENDS EARLY MONDAY MORNING...HEAVY SNOWFALL AMOUNTS ARE EXPECTED ALONG AND NORTH OF I 90... WITH A WIDESPREAD 8 TO 14 INCHES. STRONG NORTH WINDS WILL ALSO DEVELOP ACROSS THE REGION SUNDAY INTO SUNDAY NIGHT CREATING AREAS OF BLOWING SNOW. SOUTH OF I 90... THE SNOW AMOUNTS SHOULD RAPIDLY TAPER OFF...BUT THEN ICE ACCUMULATIONS MAY APPROACH HALF AN INCH. THE TRACK OF THE LOW IS CRITICAL FOR THESE SNOW AND ICE ACCUMULATIONS...AND ANY SMALL DEVIATION OF THE LOW TRACK WILL SIGNIFICANTLY ALTER SNOW AND ICE ACCUMULATIONS. THEREFORE...A WINTER STORM WATCH REMAINS IN EFFECT FOR FAR SOUTHEASTERN SOUTH DAKOTA AND EXTREME NORTHWEST IOWA. MNZ071-072-080-081-097-SDZ038>040-052>058-200045- /O.CON.KFSD.WS.W.0002.110220T1200Z-110221T1200Z/ LINCOLN-LYON-MURRAY-COTTONWOOD-PIPESTONE-BEADLE-KINGSBURY- BROOKINGS-JERAULD-SANBORN-MINER-LAKE-MOODY-BRULE-AURORA- INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON... IVANHOE...MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE... PIPESTONE...HURON...DE SMET...ARLINGTON...LAKE PRESTON... BROOKINGS...WESSINGTON SPRINGS...ALPENA...WOONSOCKET...HOWARD... MADISON...FLANDREAU...CHAMBERLAIN...KIMBALL...PLANKINTON... WHITE LAKE...STICKNEY 1045 AM CST SAT FEB 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM SUNDAY TO 6 AM CST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM SUNDAY TO 6 AM CST MONDAY. * TIMING...HEAVY SNOW WILL DEVELOP TONIGHT AND CONTINUE ON SUNDAY...THEN DIMINISH MONDAY MORNING. * ACCUMULATIONS...A WIDESPREAD 8 TO 14 INCHES OF SNOW IS EXPECTED NORTH OF INTERSTATE 90. * WIND AND VISIBILITY...NORTH WINDS WILL INCREASE TO 20 TO 35 MPH ON SUNDAY AND SUNDAY NIGHT. ALONG WITH THE HEAVY SNOW... BLOWING SNOW WILL REDUCE VISIBILITIES TO LESS THAN A HALF MILE...ESPECIALLY IN OPEN AREAS. * WIND CHILL VALUES...WIND CHILL VALUES OF ZERO TO 10 BELOW WILL BE LIKELY SUNDAY NIGHT ALONG AND WEST OF THE JAMES RIVER. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ IAZ001-MNZ089-090-098-SDZ059>062-065>067-200045- /O.CON.KFSD.WS.W.0002.110220T0900Z-110221T1200Z/ LYON-NOBLES-JACKSON-ROCK-DAVISON-HANSON-MCCOOK-MINNEHAHA- HUTCHINSON-TURNER-LINCOLN- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...WORTHINGTON...JACKSON...LAKEFIELD...LUVERNE... MITCHELL...ALEXANDRIA...EMERY...SALEM...CANISTOTA...BRIDGEWATER... MONTROSE...SIOUX FALLS...PARKSTON...FREEMAN...MENNO...TRIPP... PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR... CANTON...LENNOX...TEA...HARRISBURG 1045 AM CST SAT FEB 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 3 AM SUNDAY TO 6 AM CST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 3 AM SUNDAY TO 6 AM CST MONDAY. * TIMING...FREEZING RAIN AND SNOW WILL DEVELOP TONIGHT...THEN CHANGE TO ALL SNOW THROUGH THE DAY ON SUNDAY. SNOW WILL THEN CONTINUE INTO SUNDAY NIGHT. * ACCUMULATIONS...A TIGHT GRADIENT OF BOTH SNOWFALL AND ICE ACCUMULATIONS ARE EXPECTED ACROSS THE AREA. SNOWFALL ACCUMULATIONS WILL VARY FROM NEAR TWO INCHES SOUTH OF INTERSTATE 90 IN SOUTHERN MINNESOTA...TO NEAR TEN INCHES NEAR MITCHELL. WHERE THE SNOWFALL IS LESS...THERE WILL BE AN INCREASED THREAT FOR ICE WHERE UP TO A QUARTER OF AN INCH OF ICE IS EXPECTED. * WIND AND VISIBILITY...WINDS WILL INCREASE TO 20 TO 35 MPH ON SUNDAY INTO SUNDAY NIGHT. THESE STRONG WINDS WILL PRODUCE BLOWING SNOW...REDUCING VISIBILITY BELOW A HALF MILE... ESPECIALLY IN OPEN AREAS. IN ADDITION...SOME POWER LINE STRESS MAY OCCUR IN EXTREME SOUTHEAST SOUTH DAKOTA AND FAR NORTHWEST IOWA AS ICE ACCUMULATIONS APPROACH A QUARTER OF AN INCH. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ IAZ002-003-012>014-SDZ050-063-064-068>071-200045- /O.CON.KFSD.WS.A.0001.110220T0600Z-110221T0600Z/ OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-GREGORY-CHARLES MIX-DOUGLAS- BON HOMME-YANKTON-UNION- INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD... ARNOLDS PARK...ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY... SANBORN...SPENCER...GREGORY...BURKE...WAGNER...PLATTE... LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT...TYNDALL... SCOTLAND...SPRINGFIELD...AVON...TABOR...YANKTON...VERMILLION... NORTH SIOUX CITY...BERESFORD...ELK POINT...ALCESTER...JEFFERSON 1045 AM CST SAT FEB 19 2011 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY EVENING... A WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY EVENING. * TIMING...A WINTRY MIX OF PRECIPITATION IS EXPECTED TO DEVELOP TONIGHT AND CONTINUE INTO SUNDAY NIGHT. PRECIPITATION MAY BEGIN AS RAIN OR FREEZING RAIN...BEFORE CHANGING OVER TO SNOW DURING THE DAY ON SUNDAY. * ACCUMULATIONS...THERE WILL BE A FAIRLY TIGHT CUTOFF IN TERMS OF SNOWFALL AND ICE ACCUMULATIONS WITH THIS SYSTEM. AT THIS TIME...THE HEAVIEST ICING APPEARS TO EXTEND ALONG A LINE FROM YANKTON SOUTH DAKOTA THROUGH SPENCER IOWA....WHERE UP TO A HALF AN INCH OF ICE WILL BE POSSIBLE. FURTHER TO THE NORTH AND WEST...PRECIPITATION WILL FALL MORE AS SNOW WITH THE POTENTIAL FOR FOUR TO EIGHT INCHES OF SNOW. * WIND AND VISIBILITY...WINDS WILL INCREASE TO 20 TO 35 MPH ON SUNDAY AND SUNDAY NIGHT. SOME POWER LINE STRESS MAY OCCUR IN EXTREME SOUTHEAST SOUTH DAKOTA AND FAR NORTHWEST IOWA IF ICE ACCUMULATIONS GET CLOSE TO A QUARTER OF AN INCH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$
702 WWUS43 KFSD 192137 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 337 PM CST SAT FEB 19 2011 .A STRONG AREA OF LOW PRESSURE WILL MOVE ACROSS THE CENTRAL PLAINS SATURDAY NIGHT AND SUNDAY...EXITING THROUGH THE SOUTHERN GREAT LAKES EARLY MONDAY MORNING. AS THE LOW MOVES EASTWARD... PRECIPITATION WILL BECOME WIDESPREAD ACROSS THE REGION TONIGHT. THE AIR SHOULD BE COLD ENOUGH TO PRODUCE ALL SNOW GENERALLY ALONG AND NORTH OF A LINE FROM WINDOM MINNESOTA...TO DELL RAPIDS SOUTH DAKOTA...AND INTO NORTHERN GREGORY COUNTY SOUTH DAKOTA. THIS AREA WILL ALSO SEE INCREASING NORTH WINDS...WITH FREQUENT GUSTS TO 40 MPH LIKELY ON SUNDAY...CAUSING BLIZZARD CONDITIONS. FARTHER TO THE SOUTH...PRECIPITATION TYPE WILL TRANSITION TO MAINLY FREEZING RAIN. THE TRANSITION ZONE FROM AROUND PARKSTON TO SIOUX FALLS SOUTH DAKOTA...TO WINDOM MINNESOTA WILL SEE ONE TO TWO TENTHS OF AN INCH OF ICE ACCUMULATION LATE TONIGHT INTO SUNDAY MORNING... FOLLOWED BY 5 TO 10 INCHES OF SNOW ACCUMULATION. A WINTER STORM WARNING IS IN EFFECT FOR THE COMBINATION OF ICE AND SNOW. MAINLY FREEZING RAIN IS EXPECTED INTO SUNDAY FROM YANKTON TO CANTON SOUTH DAKOTA...EAST TOWARD SPENCER AND SPIRIT LAKE IOWA. THIS AREA HAS THE GREATEST THREAT OF SIGNIFICANT ICE ACCUMULATIONS...RANGING FROM A QUARTER TO A HALF INCH...AND AN ICE STORM WARNING HAS BEEN POSTED. ALL PRECIPITATION WILL CHANGE TO SNOW FROM WEST TO EAST THROUGH THE AFTERNOON AND EVENING. TOTAL SNOWFALL ACCUMULATIONS WILL RANGE FROM 2 TO 6 INCHES IN THE ICE STORM WARNING AREA...TO 8 TO 14 INCHES FROM SOUTH CENTRAL SOUTH DAKOTA INTO SOUTHWEST MINNESOTA WHERE A BLIZZARD WARNING IS IN EFFECT. THE TRACK OF THE LOW IS CRITICAL FOR THESE SNOW AND ICE ACCUMULATIONS...AND ANY SMALL DEVIATION OF THE LOW TRACK WILL SIGNIFICANTLY ALTER SNOW AND ICE ACCUMULATIONS. THEREFORE...A WINTER STORM WATCH REMAINS IN EFFECT FOR FAR SOUTHEASTERN SOUTH DAKOTA AND EXTREME NORTHWEST IOWA. SDZ059-060-200545- /O.CAN.KFSD.WS.W.0002.110220T0900Z-110221T1200Z/ /O.NEW.KFSD.BZ.W.0005.110220T0900Z-110221T1200Z/ DAVISON-HANSON- INCLUDING THE CITIES OF...MITCHELL...ALEXANDRIA...EMERY 337 PM CST SAT FEB 19 2011 ...BLIZZARD WARNING IN EFFECT FROM 3 AM SUNDAY TO 6 AM CST MONDAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A BLIZZARD WARNING...WHICH IS IN EFFECT FROM 3 AM SUNDAY TO 6 AM CST MONDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. * TIMING...SNOW WILL DEVELOP QUICKLY AFTER MIDNIGHT TONIGHT... POSSIBLY MIXED WITH A LITTLE FREEZING RAIN OR SLEET AT FIRST. SNOW WILL THEN CONTINUE INTO SUNDAY NIGHT...BECOMING HEAVY AT TIMES ON SUNDAY. * ACCUMULATIONS...8 TO 14 INCHES OF SNOW IS EXPECTED LATE TONIGHT THROUGH SUNDAY NIGHT. * WIND AND VISIBILITY...WINDS WILL INCREASE TO 20 TO 35 MPH ON SUNDAY INTO SUNDAY NIGHT...WITH GUSTS AROUND 40 MPH. THESE STRONG WINDS WILL PRODUCE WIDESPREAD BLOWING SNOW WITH WHITEOUT CONDITIONS... ESPECIALLY IN OPEN AREAS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. && $$ MNZ071-072-097-SDZ038>040-052>058-200545- /O.CAN.KFSD.WS.W.0002.110220T1200Z-110221T1200Z/ /O.NEW.KFSD.BZ.W.0005.110220T0900Z-110221T1200Z/ LINCOLN-LYON-PIPESTONE-BEADLE-KINGSBURY-BROOKINGS-JERAULD-SANBORN- MINER-LAKE-MOODY-BRULE-AURORA- INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON... IVANHOE...MARSHALL...PIPESTONE...HURON...DE SMET...ARLINGTON... LAKE PRESTON...BROOKINGS...WESSINGTON SPRINGS...ALPENA... WOONSOCKET...HOWARD...MADISON...FLANDREAU...CHAMBERLAIN... KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY 337 PM CST SAT FEB 19 2011 ...BLIZZARD WARNING IN EFFECT FROM 3 AM SUNDAY TO 6 AM CST MONDAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A BLIZZARD WARNING...WHICH IS IN EFFECT FROM 3 AM SUNDAY TO 6 AM CST MONDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. * TIMING...SNOW WILL SPREAD NORTH ACROSS THE AREA AFTER MIDNIGHT TONIGHT. SNOW WILL THEN CONTINUE INTO SUNDAY NIGHT...BECOMING HEAVY AT TIMES ON SUNDAY. * ACCUMULATIONS...8 TO 14 INCHES OF SNOW IS EXPECTED LATE TONIGHT THROUGH SUNDAY NIGHT. * WIND AND VISIBILITY...WINDS WILL INCREASE TO 20 TO 35 MPH ON SUNDAY INTO SUNDAY NIGHT...WITH GUSTS AROUND 40 MPH. THESE STRONG WINDS WILL PRODUCE WIDESPREAD BLOWING SNOW WITH WHITEOUT CONDITIONS... ESPECIALLY IN OPEN AREAS. * WIND CHILL VALUES...WIND CHILL VALUES OF 10 BELOW TO 18 BELOW WILL BE LIKELY SUNDAY NIGHT ALONG AND WEST OF THE JAMES RIVER. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. && $$ SDZ050-063-064-200545- /O.UPG.KFSD.WS.A.0001.110220T0600Z-110221T0600Z/ /O.NEW.KFSD.BZ.W.0005.110220T0900Z-110221T1200Z/ GREGORY-CHARLES MIX-DOUGLAS- INCLUDING THE CITIES OF...GREGORY...BURKE...WAGNER...PLATTE... LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT 337 PM CST SAT FEB 19 2011 ...BLIZZARD WARNING IN EFFECT FROM 3 AM SUNDAY TO 6 AM CST MONDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A BLIZZARD WARNING...WHICH IS IN EFFECT FROM 3 AM SUNDAY TO 6 AM CST MONDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW WILL DEVELOP QUICKLY AFTER MIDNIGHT TONIGHT... POSSIBLY MIXED WITH A LITTLE FREEZING RAIN OR SLEET AT FIRST. SNOW WILL THEN CONTINUE INTO SUNDAY NIGHT...BECOMING HEAVY AT TIMES ON SUNDAY. * ACCUMULATIONS...8 TO 14 INCHES OF SNOW IS EXPECTED LATE TONIGHT THROUGH SUNDAY NIGHT. * WIND AND VISIBILITY...WINDS WILL INCREASE TO 20 TO 35 MPH ON SUNDAY INTO SUNDAY NIGHT...WITH GUSTS AROUND 40 MPH. THESE STRONG WINDS WILL PRODUCE WIDESPREAD BLOWING SNOW WITH WHITEOUT CONDITIONS... ESPECIALLY IN OPEN AREAS. * WIND CHILL VALUES...WIND CHILL VALUES OF 10 BELOW TO 18 BELOW WILL BE LIKELY SUNDAY NIGHT ALONG AND WEST OF THE JAMES RIVER. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. && $$ IAZ002-003-012>014-SDZ068>071-200545- /O.UPG.KFSD.WS.A.0001.110220T0600Z-110221T0600Z/ /O.NEW.KFSD.IS.W.0001.110220T0900Z-110221T0600Z/ OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-BON HOMME-YANKTON-UNION- INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD... ARNOLDS PARK...ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY... SANBORN...SPENCER...TYNDALL...SCOTLAND...SPRINGFIELD...AVON... TABOR...YANKTON...VERMILLION...NORTH SIOUX CITY...BERESFORD... ELK POINT...ALCESTER...JEFFERSON 337 PM CST SAT FEB 19 2011 ...ICE STORM WARNING IN EFFECT FROM 3 AM SUNDAY TO MIDNIGHT CST SUNDAY NIGHT... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED AN ICE STORM WARNING...WHICH IS IN EFFECT FROM 3 AM SUNDAY TO MIDNIGHT CST SUNDAY NIGHT. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...RAIN OR FREEZING RAIN WILL SPREAD INTO THE AREA AROUND MIDNIGHT TONIGHT...WITH A PROLONGED PERIOD OF FREEZING RAIN EXPECTED LATE TONIGHT THROUGH MUCH OF THE DAY SUNDAY. FREEZING RAIN WILL GRADUALLY CHANGE TO SNOW FROM WEST TO EAST...WITH SNOW EXPECTED IN THE YANKTON AREA IN THE LATE MORNING...BUT NOT REACHING THE SPENCER AND SPIRIT LAKE IOWA AREAS UNTIL TOWARD EVENING. * ACCUMULATIONS...SIGNIFICANT ICE ACCUMULATIONS OF A QUARTER TO A HALF INCH ARE LIKELY LATE TONIGHT THROUGH SUNDAY. THIS WILL BE TOPPED BY 2 TO 5 INCHES OF SNOW LATER SUNDAY AND SUNDAY NIGHT. * WIND AND VISIBILITY...WINDS WILL INCREASE TO 15 TO 30 MPH ON SUNDAY AND SUNDAY NIGHT...WITH OCCASIONAL GUSTS OF 35 TO 40 MPH POSSIBLE ALONG THE MISSOURI RIVER VALLEY AREA FROM TYNDALL TO YANKTON AND VERMILLION. THESE WINDS WILL CAUSE SIGNIFICANT STRESS ON ICE-LADEN POWER LINES. PRECAUTIONARY/PREPAREDNESS ACTIONS... AN ICE STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF ICE ACCUMULATIONS WILL MAKE TRAVEL DANGEROUS OR IMPOSSIBLE. TRAVEL IS STRONGLY DISCOURAGED. COMMERCE WILL LIKELY BE SEVERELY IMPACTED. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. ICE ACCUMULATIONS AND WINDS WILL LIKELY LEAD TO SNAPPED POWER LINES AND FALLING TREE BRANCHES THAT ADD TO THE DANGER. && $$ MNZ080-081-200545- /O.EXT.KFSD.WS.W.0002.110220T0900Z-110221T1200Z/ MURRAY-COTTONWOOD- INCLUDING THE CITIES OF...SLAYTON...FULDA...WINDOM... MOUNTAIN LAKE 337 PM CST SAT FEB 19 2011 ...WINTER STORM WARNING NOW IN EFFECT FROM 3 AM SUNDAY TO 6 AM CST MONDAY... THE WINTER STORM WARNING IS NOW IN EFFECT FROM 3 AM SUNDAY TO 6 AM CST MONDAY. * TIMING...A MIX OF SLEET...SNOW AND FREEZING RAIN WILL SPREAD INTO THE AREA LATE TONIGHT...WITH PRECIPITATION CHANGING TO ALL SNOW BY MID MORNING SUNDAY. PERIODS OF HEAVY SNOW WILL THEN CONTINUE SUNDAY AND SUNDAY NIGHT...WITH THE SNOW DIMINISHING MONDAY MORNING. * ACCUMULATIONS...SNOW ACCUMULATIONS OF 8 TO 14 INCHES ARE EXPECTED. ICE ACCUMULATIONS UP TO A TENTH OF AN INCH ARE ALSO POSSIBLE... ESPECIALLY NEAR THE HIGHWAY 60 CORRIDOR. * WIND AND VISIBILITY...NORTH WINDS WILL INCREASE TO 20 TO 30 MPH ON SUNDAY AND SUNDAY NIGHT. ALONG WITH THE HEAVY SNOW... BLOWING SNOW WILL REDUCE VISIBILITIES TO LESS THAN A HALF MILE...ESPECIALLY IN OPEN AREAS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ IAZ001-MNZ089-090-098-SDZ061-062-065>067-200545- /O.CON.KFSD.WS.W.0002.110220T0900Z-110221T1200Z/ LYON-NOBLES-JACKSON-ROCK-MCCOOK-MINNEHAHA-HUTCHINSON-TURNER- LINCOLN- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...WORTHINGTON...JACKSON...LAKEFIELD...LUVERNE...SALEM... CANISTOTA...BRIDGEWATER...MONTROSE...SIOUX FALLS...PARKSTON... FREEMAN...MENNO...TRIPP...PARKER...CENTERVILLE...MARION... VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG 337 PM CST SAT FEB 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 3 AM SUNDAY TO 6 AM CST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 3 AM SUNDAY TO 6 AM CST MONDAY. * TIMING...A MIX OF FREEZING RAIN...SLEET AND SNOW WILL BECOME WIDESPREAD BETWEEN MIDNIGHT AND 3 AM TONIGHT...WITH FREEZING RAIN AND SNOW CONTINUING INTO SUNDAY MORNING. PRECIPITATION WILL CHANGE TO SNOW FROM WEST TO EAST THROUGH THE DAY SUNDAY...WITH SNOW CONTINUING SUNDAY NIGHT. THE SNOW WILL BE HEAVY AT TIMES ON SUNDAY. * ACCUMULATIONS...A TIGHT GRADIENT OF BOTH SNOW AND ICE ACCUMULATIONS ARE EXPECTED ACROSS THE AREA. SNOWFALL ACCUMULATIONS WILL VARY FROM 2 TO 4 INCHES SOUTH OF A LINE FROM VIBORG AND CANTON SOUTH DAKOTA TO JACKSON MINNESOTA...UPWARDS TO 10 INCHES OR MORE NORTH AND WEST OF SIOUX FALLS. WHERE THE SNOWFALL IS LESS...THERE WILL BE AN INCREASED THREAT FOR SIGNIFICANT ICING...WITH ICE ACCUMULATIONS OF A QUARTER TO HALF INCH POSSIBLE NEAR AND SOUTH OF THAT VIBORG TO CANTON TO JACKSON MINNESOTA LINE. * WIND AND VISIBILITY...WINDS WILL INCREASE TO 20 TO 35 MPH SUNDAY INTO SUNDAY NIGHT. THESE STRONG WINDS WILL PRODUCE BLOWING SNOW...REDUCING VISIBILITY BELOW A HALF MILE... ESPECIALLY IN OPEN AREAS. IN ADDITION...SOME POWER LINE STRESS MAY OCCUR IN AREAS WHERE SIGNIFICANT ICE ACCUMULATIONS ARE SEEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$
731 WWUS43 KFSD 200319 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 919 PM CST SAT FEB 19 2011 .A STRONG AREA OF LOW PRESSURE WILL MOVE ACROSS THE CENTRAL PLAINS TONIGHT AND SUNDAY...EXITING THROUGH THE SOUTHERN GREAT LAKES EARLY MONDAY MORNING. AS THE LOW MOVES EASTWARD...PRECIPITATION WILL BECOME WIDESPREAD ACROSS THE REGION TONIGHT. THE AIR SHOULD BE COLD ENOUGH TO PRODUCE ALL SNOW GENERALLY ALONG AND NORTH OF A LINE FROM TRACY AND PIPESTONE MINNESOTA...TO SALEM SOUTH DAKOTA...AND INTO GREGORY COUNTY SOUTH DAKOTA. THIS AREA WILL ALSO SEE INCREASING NORTH WINDS...WITH FREQUENT GUSTS TO 40 MPH LIKELY ON SUNDAY... CAUSING BLIZZARD CONDITIONS. FARTHER TO THE SOUTH...PRECIPITATION TYPE WILL TRANSITION TO MAINLY FREEZING RAIN. THE TRANSITION ZONE FROM AROUND PARKSTON TO SIOUX FALLS SOUTH DAKOTA...TO WINDOM MINNESOTA WILL SEE A TENTH TO A QUARTER INCH OF ICE ACCUMULATION LATE TONIGHT THROUGH MIDDAY SUNDAY...FOLLOWED BY 5 TO 10 INCHES OF SNOW ACCUMULATION. A WINTER STORM WARNING IS IN EFFECT FOR THE COMBINATION OF ICE AND SNOW. MAINLY FREEZING RAIN IS EXPECTED INTO SUNDAY FROM YANKTON TO CANTON SOUTH DAKOTA...EAST TOWARD SPENCER AND SPIRIT LAKE IOWA. THIS AREA HAS THE GREATEST THREAT OF SIGNIFICANT ICE ACCUMULATIONS...RANGING FROM A QUARTER TO A HALF INCH...AND AN ICE STORM WARNING HAS BEEN POSTED. ALL PRECIPITATION WILL CHANGE TO SNOW FROM WEST TO EAST THROUGH THE AFTERNOON AND EVENING. TOTAL SNOWFALL ACCUMULATIONS WILL RANGE FROM 2 TO 6 INCHES IN THE ICE STORM WARNING AREA...TO 8 TO 14 INCHES FROM SOUTH CENTRAL SOUTH DAKOTA INTO SOUTHWEST MINNESOTA WHERE A BLIZZARD WARNING IS IN EFFECT. THE TRACK OF THE LOW IS CRITICAL FOR THESE SNOW AND ICE ACCUMULATIONS...AND ANY SMALL DEVIATION OF THE LOW TRACK WILL SIGNIFICANTLY ALTER SNOW AND ICE ACCUMULATIONS. THEREFORE...A WINTER STORM WATCH REMAINS IN EFFECT FOR FAR SOUTHEASTERN SOUTH DAKOTA AND EXTREME NORTHWEST IOWA. MNZ071-072-097-SDZ038>040-050-052>060-063-064-201130- /O.CON.KFSD.BZ.W.0005.110220T0900Z-110221T1200Z/ LINCOLN-LYON-PIPESTONE-BEADLE-KINGSBURY-BROOKINGS-GREGORY-JERAULD- SANBORN-MINER-LAKE-MOODY-BRULE-AURORA-DAVISON-HANSON-CHARLES MIX- DOUGLAS- INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON... IVANHOE...MARSHALL...PIPESTONE...HURON...DE SMET...ARLINGTON... LAKE PRESTON...BROOKINGS...GREGORY...BURKE...WESSINGTON SPRINGS... ALPENA...WOONSOCKET...HOWARD...MADISON...FLANDREAU... CHAMBERLAIN...KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY... MITCHELL...ALEXANDRIA...EMERY...WAGNER...PLATTE...LAKE ANDES... MARTY...ARMOUR...CORSICA...DELMONT 919 PM CST SAT FEB 19 2011 ...BLIZZARD WARNING REMAINS IN EFFECT FROM 3 AM SUNDAY TO 6 AM CST MONDAY... A BLIZZARD WARNING REMAINS IN EFFECT FROM 3 AM SUNDAY TO 6 AM CST MONDAY. * TIMING...SNOW WILL SPREAD NORTH ACROSS THE AREA AFTER MIDNIGHT TONIGHT. SNOW WILL THEN CONTINUE INTO SUNDAY NIGHT...BECOMING HEAVY AT TIMES ON SUNDAY. * ACCUMULATIONS...8 TO 14 INCHES OF SNOW IS EXPECTED LATE TONIGHT THROUGH SUNDAY NIGHT. * WIND AND VISIBILITY...WINDS WILL INCREASE TO 20 TO 35 MPH ON SUNDAY INTO SUNDAY NIGHT...WITH GUSTS AROUND 40 MPH. THESE STRONG WINDS WILL PRODUCE WIDESPREAD BLOWING SNOW WITH WHITEOUT CONDITIONS... ESPECIALLY IN OPEN AREAS. * WIND CHILL VALUES...WIND CHILL VALUES OF 10 BELOW TO 18 BELOW WILL BE LIKELY SUNDAY NIGHT ALONG AND WEST OF THE JAMES RIVER. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. && $$ IAZ002-003-012>014-SDZ068>071-201130- /O.CON.KFSD.IS.W.0001.110220T0900Z-110221T0600Z/ OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-BON HOMME-YANKTON-UNION- INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD... ARNOLDS PARK...ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY... SANBORN...SPENCER...TYNDALL...SCOTLAND...SPRINGFIELD...AVON... TABOR...YANKTON...VERMILLION...NORTH SIOUX CITY...BERESFORD... ELK POINT...ALCESTER...JEFFERSON 919 PM CST SAT FEB 19 2011 ...ICE STORM WARNING REMAINS IN EFFECT FROM 3 AM SUNDAY TO MIDNIGHT CST SUNDAY NIGHT... AN ICE STORM WARNING REMAINS IN EFFECT FROM 3 AM SUNDAY TO MIDNIGHT CST SUNDAY NIGHT. * TIMING...RAIN OR FREEZING RAIN WILL SPREAD INTO THE AREA AROUND MIDNIGHT TONIGHT...WITH A PROLONGED PERIOD OF FREEZING RAIN EXPECTED LATE TONIGHT THROUGH MUCH OF THE DAY SUNDAY. FREEZING RAIN WILL GRADUALLY CHANGE TO SNOW FROM WEST TO EAST...WITH SNOW EXPECTED IN THE YANKTON AREA BY MIDDAY SUNDAY...BUT NOT REACHING THE SPENCER AND SPIRIT LAKE IOWA AREAS UNTIL TOWARD EVENING. * ACCUMULATIONS...SIGNIFICANT ICE ACCUMULATIONS OF A QUARTER TO A HALF INCH ARE LIKELY LATE TONIGHT THROUGH SUNDAY. THIS WILL BE TOPPED BY 2 TO 5 INCHES OF SNOW LATER SUNDAY AND SUNDAY NIGHT. * WIND AND VISIBILITY...WINDS WILL INCREASE TO 15 TO 30 MPH ON SUNDAY AND SUNDAY NIGHT...WITH OCCASIONAL GUSTS OF 35 TO 40 MPH POSSIBLE ALONG THE MISSOURI RIVER VALLEY AREA FROM TYNDALL TO YANKTON AND VERMILLION. THESE WINDS WILL CAUSE SIGNIFICANT STRESS ON ICE-LADEN POWER LINES. PRECAUTIONARY/PREPAREDNESS ACTIONS... AN ICE STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF ICE ACCUMULATIONS WILL MAKE TRAVEL DANGEROUS OR IMPOSSIBLE. TRAVEL IS STRONGLY DISCOURAGED. COMMERCE WILL LIKELY BE SEVERELY IMPACTED. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. ICE ACCUMULATIONS AND WINDS WILL LIKELY LEAD TO SNAPPED POWER LINES AND FALLING TREE BRANCHES THAT ADD TO THE DANGER. && $$ IAZ001-MNZ080-081-089-090-098-SDZ061-062-065>067-201130- /O.CON.KFSD.WS.W.0002.110220T0900Z-110221T1200Z/ LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-ROCK-MCCOOK-MINNEHAHA- HUTCHINSON-TURNER-LINCOLN- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE... WORTHINGTON...JACKSON...LAKEFIELD...LUVERNE...SALEM...CANISTOTA... BRIDGEWATER...MONTROSE...SIOUX FALLS...PARKSTON...FREEMAN... MENNO...TRIPP...PARKER...CENTERVILLE...MARION...VIBORG...HURLEY... CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG 919 PM CST SAT FEB 19 2011 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 3 AM SUNDAY TO 6 AM CST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 3 AM SUNDAY TO 6 AM CST MONDAY. * TIMING...A MIX OF FREEZING RAIN...SLEET AND SNOW WILL BECOME WIDESPREAD BETWEEN MIDNIGHT AND 3 AM TONIGHT...WITH FREEZING RAIN AND SNOW CONTINUING INTO SUNDAY MORNING. PRECIPITATION WILL CHANGE TO SNOW FROM WEST TO EAST THROUGH THE DAY SUNDAY... WITH SNOW CONTINUING SUNDAY NIGHT. THE SNOW WILL BE HEAVY AT TIMES ON SUNDAY. * ACCUMULATIONS...A TIGHT GRADIENT OF BOTH SNOW AND ICE ACCUMULATIONS ARE EXPECTED ACROSS THE AREA. SNOWFALL ACCUMULATIONS WILL VARY FROM 2 TO 4 INCHES SOUTH OF A LINE FROM VIBORG AND CANTON SOUTH DAKOTA TO JACKSON MINNESOTA... TO 8 TO 10 INCHES OR MORE NORTH OF A LINE FROM SIOUX FALLS TO WINDOM. AREAS WITH LESSER SNOWFALL WILL SEE AN INCREASED THREAT FOR SIGNIFICANT ICING...WITH ICE ACCUMULATIONS OF A QUARTER TO HALF INCH POSSIBLE NEAR AND SOUTH OF THAT VIBORG TO CANTON TO JACKSON MINNESOTA LINE. * WIND AND VISIBILITY...WINDS WILL INCREASE TO 20 TO 35 MPH SUNDAY INTO SUNDAY NIGHT. THESE STRONG WINDS WILL PRODUCE BLOWING SNOW... REDUCING VISIBILITY BELOW A HALF MILE...ESPECIALLY IN OPEN AREAS. IN ADDITION...POWER LINE STRESS MAY OCCUR IN AREAS WHERE SIGNIFICANT ICE ACCUMULATIONS ARE SEEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ JH
036 WWUS43 KFSD 201000 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 400 AM CST SUN FEB 20 2011 .A STRONG AREA OF LOW PRESSURE WILL MOVE ACROSS THE CENTRAL PLAINS TODAY...EXITING THROUGH THE SOUTHERN GREAT LAKES EARLY MONDAY MORNING. THE AIR SHOULD BE COLD ENOUGH TO PRODUCE ALL SNOW GENERALLY ALONG AND NORTH OF A LINE FROM TRACY AND PIPESTONE MINNESOTA...TO MITCHELL SOUTH DAKOTA...AND INTO GREGORY COUNTY SOUTH DAKOTA. THIS AREA WILL ALSO SEE INCREASING NORTH WINDS...WITH FREQUENT GUSTS TO 40 MPH LIKELY... CAUSING BLIZZARD CONDITIONS. FARTHER TO THE SOUTH...PRECIPITATION TYPE WILL TRANSITION TO MAINLY FREEZING RAIN AND SLEET. THE TRANSITION ZONE FROM AROUND PARKSTON TO SIOUX FALLS SOUTH DAKOTA...TO WINDOM MINNESOTA WILL SEE A TENTH TO A QUARTER INCH OF ICE ACCUMULATION LATE TONIGHT THROUGH MIDDAY SUNDAY...FOLLOWED BY 3 TO 7 INCHES OF SNOW ACCUMULATION. A WINTER STORM WARNING IS IN EFFECT FOR THE COMBINATION OF ICE AND SNOW. MAINLY FREEZING RAIN IS EXPECTED INTO SUNDAY FROM YANKTON TO CANTON SOUTH DAKOTA...EAST TOWARD SPENCER AND SPIRIT LAKE IOWA. THIS AREA HAS THE GREATEST THREAT OF SIGNIFICANT ICE ACCUMULATIONS...RANGING FROM A QUARTER TO A HALF INCH...AND AN ICE STORM WARNING HAS BEEN POSTED. ALL PRECIPITATION WILL CHANGE TO SNOW FROM WEST TO EAST SUNDAY AFTERNOON AND EVENING. TOTAL SNOWFALL ACCUMULATIONS WILL RANGE FROM 1 TO 4 INCHES IN THE ICE STORM WARNING AREA...TO 7 TO 13 INCHES FROM SOUTH CENTRAL SOUTH DAKOTA INTO SOUTHWEST MINNESOTA WHERE A BLIZZARD WARNING IS IN EFFECT. MNZ071-072-097-SDZ038>040-050-052>060-063-064-201800- /O.CON.KFSD.BZ.W.0005.000000T0000Z-110221T1200Z/ LINCOLN-LYON-PIPESTONE-BEADLE-KINGSBURY-BROOKINGS-GREGORY-JERAULD- SANBORN-MINER-LAKE-MOODY-BRULE-AURORA-DAVISON-HANSON-CHARLES MIX- DOUGLAS- INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON... IVANHOE...MARSHALL...PIPESTONE...HURON...DE SMET...ARLINGTON... LAKE PRESTON...BROOKINGS...GREGORY...BURKE...WESSINGTON SPRINGS... ALPENA...WOONSOCKET...HOWARD...MADISON...FLANDREAU... CHAMBERLAIN...KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY... MITCHELL...ALEXANDRIA...EMERY...WAGNER...PLATTE...LAKE ANDES... MARTY...ARMOUR...CORSICA...DELMONT 400 AM CST SUN FEB 20 2011 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 AM CST MONDAY... A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 AM CST MONDAY. * TIMING...SNOW WILL SPREAD NORTH ACROSS THE AREA EARLY THIS MORNING. SNOW WILL THEN CONTINUE INTO SUNDAY NIGHT...BECOMING HEAVY AT TIMES ON SUNDAY. * ACCUMULATIONS...7 TO 13 INCHES OF SNOW IS EXPECTED THROUGH EARLY MONDAY MORNING. * WIND AND VISIBILITY...WINDS WILL INCREASE TO 20 TO 35 MPH TODAY...WITH GUSTS AROUND 40 MPH. THESE STRONG WINDS WILL PRODUCE WIDESPREAD BLOWING SNOW WITH WHITEOUT CONDITIONS... ESPECIALLY IN OPEN AREAS. * WIND CHILL VALUES...WIND CHILL VALUES OF 10 BELOW TO 18 BELOW WILL BE LIKELY SUNDAY NIGHT ALONG AND WEST OF THE JAMES RIVER. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. && $$ IAZ002-003-012>014-SDZ068>071-201800- /O.CON.KFSD.IS.W.0001.000000T0000Z-110221T0600Z/ OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-BON HOMME-YANKTON-UNION- INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD... ARNOLDS PARK...ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY... SANBORN...SPENCER...TYNDALL...SCOTLAND...SPRINGFIELD...AVON... TABOR...YANKTON...VERMILLION...NORTH SIOUX CITY...BERESFORD... ELK POINT...ALCESTER...JEFFERSON 400 AM CST SUN FEB 20 2011 ...ICE STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... AN ICE STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. * TIMING...SLEET AND FREEZING RAIN WILL SPREAD ACROSS THE AREA EARLY SUNDAY MORNING. THE SLEET AND FREEZING RAIN MAY COME TO AN END FOR A TIME LATE SUNDAY MORNING...BEFORE CHANGING OVER TO SNOW. * ACCUMULATIONS...SIGNIFICANT ICE ACCUMULATIONS OF A QUARTER TO A HALF INCH ARE LIKELY LATE TONIGHT THROUGH SUNDAY. THIS WILL BE TOPPED BY 1 TO 4 INCHES OF SNOW LATER SUNDAY AND SUNDAY NIGHT. * WIND AND VISIBILITY...WINDS WILL INCREASE TO 15 TO 30 MPH ON SUNDAY AND SUNDAY NIGHT...WITH OCCASIONAL GUSTS OF 35 TO 40 MPH POSSIBLE ALONG THE MISSOURI RIVER VALLEY AREA FROM TYNDALL TO YANKTON AND VERMILLION. THESE WINDS WILL CAUSE SIGNIFICANT STRESS ON ICE-LADEN POWER LINES. PRECAUTIONARY/PREPAREDNESS ACTIONS... AN ICE STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF ICE ACCUMULATIONS WILL MAKE TRAVEL DANGEROUS OR IMPOSSIBLE. TRAVEL IS STRONGLY DISCOURAGED. COMMERCE WILL LIKELY BE SEVERELY IMPACTED. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. ICE ACCUMULATIONS AND WINDS WILL LIKELY LEAD TO SNAPPED POWER LINES AND FALLING TREE BRANCHES THAT ADD TO THE DANGER. && $$ IAZ001-MNZ080-081-089-090-098-SDZ061-062-065>067-201800- /O.CON.KFSD.WS.W.0002.000000T0000Z-110221T1200Z/ LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-ROCK-MCCOOK-MINNEHAHA- HUTCHINSON-TURNER-LINCOLN- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE... WORTHINGTON...JACKSON...LAKEFIELD...LUVERNE...SALEM...CANISTOTA... BRIDGEWATER...MONTROSE...SIOUX FALLS...PARKSTON...FREEMAN... MENNO...TRIPP...PARKER...CENTERVILLE...MARION...VIBORG...HURLEY... CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG 400 AM CST SUN FEB 20 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST MONDAY. * TIMING...A MIX OF FREEZING RAIN...SLEET AND SNOW WILL BECOME WIDESPREAD ACROSS THE REGION EARLY THIS MORNING. THE PRECIPITATION MAY COME TO AN END LATE THIS MORNING...BEFORE CHANGING OVER TO SNOW THIS AFTERNOON INTO TONIGHT. * ACCUMULATIONS...A TIGHT GRADIENT OF BOTH SNOW AND ICE ACCUMULATIONS ARE EXPECTED ACROSS THE AREA. SNOWFALL ACCUMULATIONS WILL VARY FROM 1 TO 3 INCHES SOUTH OF A LINE FROM VIBORG AND CANTON SOUTH DAKOTA TO JACKSON MINNESOTA... TO 6 TO 8 INCHES OR MORE NORTH OF A LINE FROM SIOUX FALLS TO WINDOM. AREAS WITH LESSER SNOWFALL WILL SEE AN INCREASED THREAT FOR SIGNIFICANT ICING...WITH ICE ACCUMULATIONS OF A QUARTER TO HALF INCH POSSIBLE NEAR AND SOUTH OF THAT VIBORG TO CANTON TO JACKSON MINNESOTA LINE. * WIND AND VISIBILITY...WINDS WILL INCREASE TO 20 TO 35 MPH SUNDAY INTO SUNDAY NIGHT. THESE STRONG WINDS WILL PRODUCE BLOWING SNOW... REDUCING VISIBILITY BELOW A HALF MILE... ESPECIALLY IN OPEN AREAS. IN ADDITION...POWER LINE STRESS MAY OCCUR IN AREAS WHERE SIGNIFICANT ICE ACCUMULATIONS ARE SEEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ BT
221 WWUS43 KFSD 201657 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 1057 AM CST SUN FEB 20 2011 .LOW PRESSURE WILL MOVE EAST FROM SOUTHEAST NEBRASKA ACROSS FAR SOUTHERN IOWA TO ILLINOIS TODAY AND TONIGHT. A WINTRY MIX OF PRECIPITATION WILL BE SNOW GENERALLY ALONG AND NORTH OF A LINE FROM TRACY AND PIPESTONE MINNESOTA...TO MITCHELL SOUTH DAKOTA...AND INTO GREGORY COUNTY SOUTH DAKOTA. THIS AREA WILL ALSO SEE STRONG NORTH WINDS... WITH FREQUENT GUSTS OF 30 TO 40 MPH...CAUSING BLIZZARD CONDITIONS IN AREAS. FARTHER TO THE SOUTHEAST...FREEZING RAIN AND SLEET WILL GRADUALLY CHANGE TO SNOW THIS AFTERNOON AND EVENING. SNOW ACCUMULATIONS OF A FEW INCHES CAN BE EXPECTED OVER THE ICE IN SOME AREAS. A STRETCH FROM TYNDALL AND YANKTON SOUTH DAKOTA EAST INTO NORTHWEST IOWA INCLUDING SHELDON AND PRIMGHAR HAS ALREADY SEEN MODERATE TO HEAVY ICE ACCUMULATIONS AND WILL GET SOME MORE ICING INTO THE AFTERNOON. MNZ071-072-097-SDZ038>040-050-052>060-063-064-210100- /O.CON.KFSD.BZ.W.0005.000000T0000Z-110221T1200Z/ LINCOLN-LYON-PIPESTONE-BEADLE-KINGSBURY-BROOKINGS-GREGORY-JERAULD- SANBORN-MINER-LAKE-MOODY-BRULE-AURORA-DAVISON-HANSON-CHARLES MIX- DOUGLAS- INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON... IVANHOE...MARSHALL...PIPESTONE...HURON...DE SMET...ARLINGTON... LAKE PRESTON...BROOKINGS...GREGORY...BURKE...WESSINGTON SPRINGS... ALPENA...WOONSOCKET...HOWARD...MADISON...FLANDREAU... CHAMBERLAIN...KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY... MITCHELL...ALEXANDRIA...EMERY...WAGNER...PLATTE...LAKE ANDES... MARTY...ARMOUR...CORSICA...DELMONT 1057 AM CST SUN FEB 20 2011 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 AM CST MONDAY... A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 AM CST MONDAY. * TIMING...SNOW WILL CONTINUE ACROSS THE AREA THROUGH THIS AFTERNOON AND INTO TONIGHT. * ACCUMULATIONS...4 TO 11 INCHES IS EXPECTED ALONG AND NORTH OF INTERSTATE 90 WITH 2 TO 4 INCHES SOUTH OF THE INTERSTATE. * WIND AND VISIBILITY...NORTH WINDS WILL AVERAGE 20 TO 30 MPH WITH GUSTS BETWEEN 30 AND 40 MPH. THESE WINDS WILL PRODUCE BLOWING SNOW WITH SOME WHITEOUT CONDITIONS...ESPECIALLY IN OPEN AREAS. * WIND CHILL VALUES...WIND CHILL VALUES OF 10 BELOW TO 18 BELOW WILL BE LIKELY TONIGHT ALONG AND WEST OF THE JAMES RIVER. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. && $$ IAZ002-003-012>014-SDZ068>071-210100- /O.CON.KFSD.IS.W.0001.000000T0000Z-110221T0600Z/ OSCEOLA-DICKINSON-SIOUX-OBRIEN-CLAY-BON HOMME-YANKTON-UNION- INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD... ARNOLDS PARK...ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY... SANBORN...SPENCER...TYNDALL...SCOTLAND...SPRINGFIELD...AVON... TABOR...YANKTON...VERMILLION...NORTH SIOUX CITY...BERESFORD... ELK POINT...ALCESTER...JEFFERSON 1057 AM CST SUN FEB 20 2011 ...ICE STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... AN ICE STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. * TIMING...OCCASIONAL FREEZING RAIN MIXED WITH SLEET WILL CONTINUE THIS AFTERNOON IS EXPECTED TO GRADUALLY CHANGE TO LIGHT SNOW LATE THIS AFTERNOON AND THIS EVENING. * ACCUMULATIONS...SIGNIFICANT ICE ACCUMULATIONS OF A QUARTER TO A HALF INCH WERE ALREADY REPORTED OVER MOST OF THE AREA THIS MORNING. ADDITIONAL ICE ACCUMULATIONS OF A TENTH INCH OR LESS ARE EXPECTED. * WIND AND VISIBILITY...NORTH WINDS WILL INCREASE TO 15 TO 30 MPH THIS AFTERNOON...CAUSING STRESS ON ICE-LADEN POWER LINES AND TREES. PRECAUTIONARY/PREPAREDNESS ACTIONS... AN ICE STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF ICE ACCUMULATIONS WILL MAKE TRAVEL DANGEROUS OR IMPOSSIBLE. TRAVEL IS STRONGLY DISCOURAGED. COMMERCE WILL LIKELY BE SEVERELY IMPACTED. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. ICE ACCUMULATIONS AND WINDS WILL LIKELY LEAD TO SNAPPED POWER LINES AND FALLING TREE BRANCHES THAT ADD TO THE DANGER. && $$ IAZ001-MNZ080-081-089-090-098-SDZ061-062-065>067-210100- /O.CON.KFSD.WS.W.0002.000000T0000Z-110221T1200Z/ LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-ROCK-MCCOOK-MINNEHAHA- HUTCHINSON-TURNER-LINCOLN- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE... WORTHINGTON...JACKSON...LAKEFIELD...LUVERNE...SALEM...CANISTOTA... BRIDGEWATER...MONTROSE...SIOUX FALLS...PARKSTON...FREEMAN... MENNO...TRIPP...PARKER...CENTERVILLE...MARION...VIBORG...HURLEY... CHANCELLOR...CANTON...LENNOX...TEA...HARRISBURG 1057 AM CST SUN FEB 20 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST MONDAY. * TIMING...A MIX OF FREEZING RAIN...SLEET AND SNOW WILL CHANGE TO SNOW FROM THE NORTHWEST THIS AFTERNOON AND EARLY EVENING. * ACCUMULATIONS...A TIGHT GRADIENT OF BOTH SNOW AND ICE ACCUMULATIONS ARE EXPECTED ACROSS THE AREA. SNOW ACCUMULATIONS WILL VARY FROM 1 TO 3 INCHES SOUTH OF INTERSTATE 90...TO 3 TO 6 INCHES OR MORE NORTH OF A LINE FROM SIOUX FALLS TO WINDOM. ICE ACCUMULATIONS OF A TENTH OF AN INCH OR SO HAVE ALREADY BEEN REPORTED IN MOST OF THE AREA. * WIND AND VISIBILITY...NORTH WINDS WILL INCREASE TO 20 TO 35 MPH THIS AFTERNOON AND CONTINUE TONIGHT. THESE STRONG WINDS WILL PRODUCE SOME AREAS OF BLOWING SNOW...MAINLY IN OPEN AREAS...WITH LOCAL VISIBILITIES BELOW OF HALF MILE OR LESS. IN ADDITION... POWER LINE AND TREE STRESS MAY OCCUR IN AREAS WHERE SIGNIFICANT ICE ACCUMULATIONS ARE SEEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ WILLIAMS
682 WWUS43 KFSD 202125 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 325 PM CST SUN FEB 20 2011 .LOW PRESSURE OVER SOUTHWESTERN IOWA WILL CONTINUE TO MOVE TO THE EAST LATE THIS AFTERNOON AND TONIGHT...PUSHING INTO ILLINOIS BY EARLY ON MONDAY. THE SYSTEM WILL BRING A WINTRY MIX OF PRECIPITATION INTO EARLY THIS EVENING...BEFORE TRANSITIONING TO ALL SNOW BY LATER IN THE EVENING. LITTLE ADDITIONAL ICE ACCUMULATION IS EXPECTED...WITH ADDITIONAL SNOW ACCUMULATION OF 1 TO 3 INCHES POSSIBLE NORTH OF INTERSTATE 90 THROUGH THE NIGHT. IN ADDITION...NORTHERLY WINDS GUSTING TO 30 TO 40 MPH WILL CAUSE BLIZZARD CONDITIONS IN AREAS WHICH RECEIVED HEAVY SNOW. SDZ050-063-064-210530- /O.CAN.KFSD.BZ.W.0005.000000T0000Z-110221T1200Z/ /O.NEW.KFSD.WW.Y.0031.110220T2125Z-110221T1200Z/ GREGORY-CHARLES MIX-DOUGLAS- INCLUDING THE CITIES OF...GREGORY...BURKE...WAGNER...PLATTE... LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT 325 PM CST SUN FEB 20 2011 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM CST MONDAY... ...BLIZZARD WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR BLOWING SNOW...WHICH IS IN EFFECT UNTIL 6 AM CST MONDAY. THE BLIZZARD WARNING HAS BEEN CANCELLED. * TIMING...NORTHWESTERLY WINDS WILL CONTINUE TO INCREASE THROUGH THE EVENING...AND REMAIN STRONG THROUGH THE NIGHT. * ACCUMULATIONS...WHILE LIGHT SNOW WILL CONTINUE THROUGH TONIGHT...ANY ADDITIONAL ACCUMULATION WILL BE LESS THAN HALF AN INCH. * WIND AND VISIBILITY...NORTHWESTERLY WINDS WILL AVERAGE 20 TO 30 MPH WITH GUSTS BETWEEN 30 AND 40 MPH. THESE WINDS WILL PRODUCE BLOWING SNOW WHICH WILL REDUCE VISIBILITIES...ESPECIALLY IN OPEN AREAS. * WIND CHILL VALUES...WIND CHILL VALUES OF 10 BELOW TO 15 BELOW WILL BE LIKELY TONIGHT ALONG AND WEST OF THE JAMES RIVER. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$ IAZ002-003-210530- /O.CAN.KFSD.IS.W.0001.000000T0000Z-110221T0600Z/ /O.NEW.KFSD.WW.Y.0031.110220T2125Z-110221T0600Z/ OSCEOLA-DICKINSON- INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD... ARNOLDS PARK 325 PM CST SUN FEB 20 2011 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT... ...ICE STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR MIXED PRECIPITATION...WHICH IS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. THE ICE STORM WARNING HAS BEEN CANCELLED. * TIMING...AREAS OF LIGHT FREEZING RAIN OR SLEET WILL CHANGE TO LIGHT SNOW BY THIS EVENING. * ACCUMULATIONS...ANY ADDITIONAL ICE ACCUMULATIONS WILL BE LIGHT... WITH LESS THAN AN INCH OF SNOW ACCUMULATION EXPECTED THIS EVENING. * WIND AND VISIBILITY...NORTHEAST WINDS OF 15 TO 25 MPH WILL SWITCH AROUND TO THE NORTH THIS EVENING. THE WINDS COULD CAUSE SOME STRESS ON ICE-LADEN POWER LINES AND TREES. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ IAZ012>014-SDZ068>071-202230- /O.CAN.KFSD.IS.W.0001.000000T0000Z-110221T0600Z/ SIOUX-OBRIEN-CLAY-BON HOMME-YANKTON-UNION- INCLUDING THE CITIES OF...ORANGE CITY...SIOUX CENTER...SHELDON... HARTLEY...SANBORN...SPENCER...TYNDALL...SCOTLAND...SPRINGFIELD... AVON...TABOR...YANKTON...VERMILLION...NORTH SIOUX CITY... BERESFORD...ELK POINT...ALCESTER...JEFFERSON 325 PM CST SUN FEB 20 2011 ...ICE STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE ICE STORM WARNING. PRECIPITATION HAS TAPERED OFF ACROSS THE AREA...WITH LITTLE IF ANY ADDITIONAL ICE OR SNOW ACCUMULATION EXPECTED OVERNIGHT. $$ IAZ001-MNZ098-SDZ061-062-065>067-210530- /O.CAN.KFSD.WS.W.0002.000000T0000Z-110221T1200Z/ /O.NEW.KFSD.WW.Y.0031.110220T2125Z-110221T0600Z/ LYON-ROCK-MCCOOK-MINNEHAHA-HUTCHINSON-TURNER-LINCOLN- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...LUVERNE...SALEM...CANISTOTA...BRIDGEWATER... MONTROSE...SIOUX FALLS...PARKSTON...FREEMAN...MENNO...TRIPP... PARKER...CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR... CANTON...LENNOX...TEA...HARRISBURG 325 PM CST SUN FEB 20 2011 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR MIXED PRECIPITATION...WHICH IS IN EFFECT UNTIL MIDNIGHT CST TONIGHT. THE WINTER STORM WARNING HAS BEEN CANCELLED. * TIMING...A MIX OF FREEZING DRIZZLE...SLEET AND SNOW WILL CHANGE TO SNOW FROM WEST TO EAST THROUGH THE EARLY EVENING. * ACCUMULATIONS...LITTLE IF ANY ADDITIONAL ICE ACCUMULATION IS EXPECTED. SNOW ACCUMULATIONS THIS EVENING WILL BE AROUND AN INCH OR LESS. * WIND AND VISIBILITY...NORTH WINDS OF 15 TO 25 MPH ARE EXPECTED THIS EVENING. THESE WINDS MAY CAUSE SOME STRESS ON ICE-LADEN POWER LINES AND TREES IN THOSE AREAS WHERE SIGNIFICANT ICE ACCUMULATIONS HAVE BEEN SEEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ MNZ071-072-097-SDZ038>040-052>060-210530- /O.CON.KFSD.BZ.W.0005.000000T0000Z-110221T1200Z/ LINCOLN-LYON-PIPESTONE-BEADLE-KINGSBURY-BROOKINGS-JERAULD-SANBORN- MINER-LAKE-MOODY-BRULE-AURORA-DAVISON-HANSON- INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON... IVANHOE...MARSHALL...PIPESTONE...HURON...DE SMET...ARLINGTON... LAKE PRESTON...BROOKINGS...WESSINGTON SPRINGS...ALPENA... WOONSOCKET...HOWARD...MADISON...FLANDREAU...CHAMBERLAIN... KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL... ALEXANDRIA...EMERY 325 PM CST SUN FEB 20 2011 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 AM CST MONDAY... A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 AM CST MONDAY. * TIMING...SNOW WILL CONTINUE ACROSS THE AREA THROUGH THIS EVENING...THEN TAPER OFF AFTER MIDNIGHT. * ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATIONS THROUGH THE LATE AFTERNOON AND OVERNIGHT WILL RANGE FROM LESS THAN AN INCH ALONG I-90...UP TO 2 TO 4 INCHES ALONG HIGHWAY 14 FROM BROOKINGS TO MARSHALL. * WIND AND VISIBILITY...NORTH WINDS WILL AVERAGE 20 TO 30 MPH WITH GUSTS TO AROUND 35 MPH. THESE WINDS WILL PRODUCE BLOWING SNOW WITH SOME WHITEOUT CONDITIONS...ESPECIALLY IN OPEN AREAS. * WIND CHILL VALUES...WIND CHILL VALUES OF 10 BELOW TO 15 BELOW WILL BE LIKELY TONIGHT ALONG AND WEST OF THE JAMES RIVER. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. && $$ MNZ080-081-089-090-210530- /O.CON.KFSD.WS.W.0002.000000T0000Z-110221T1200Z/ MURRAY-COTTONWOOD-NOBLES-JACKSON- INCLUDING THE CITIES OF...SLAYTON...FULDA...WINDOM... MOUNTAIN LAKE...WORTHINGTON...JACKSON...LAKEFIELD 325 PM CST SUN FEB 20 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST MONDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST MONDAY. * TIMING...A MIX OF FREEZING RAIN...SLEET AND SNOW WILL CHANGE TO SNOW THIS EVENING. * ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATIONS OF 1 TO 3 INCHES ARE POSSIBLE TONIGHT...WITH THE HIGHER ACCUMULATIONS NORTH OF HIGHWAY 30. LITTLE IF ANY ADDITIONAL ICE ACCUMULATION IS EXPECTED. * WIND AND VISIBILITY...NORTHEAST WINDS OF 15 TO 30 MPH WILL SWITCH TO THE NORTH TONIGHT. THESE STRONG WINDS COULD PRODUCE LOCALIZED BLOWING SNOW...MAINLY IN OPEN AREAS...WITH OCCASIONAL VISIBILITIES BELOW A MILE. IN ADDITION... POWER LINE AND TREE STRESS MAY OCCUR IN AREAS WHERE SIGNIFICANT ICE ACCUMULATIONS HAVE BEEN SEEN. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ JM/JH
996 WWUS43 KFSD 210311 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 911 PM CST SUN FEB 20 2011 .LOW PRESSURE WILL CONTINUE TO WEAKEN AND TRACK EASTWARD TONIGHT... AND WILL BE OVER ILLINOIS BY EARLY ON MONDAY. ADDITIONAL PRECIPITATION ACCUMULATIONS WILL BE PRETTY MINOR. ADDITIONAL SNOW ACCUMULATIONS FROM HURON SOUTH DAKOTA TO MARSHALL MINNESOTA WILL BE LESS THAN TWO INCHES THROUGH MONDAY MORNING. WITH WINDS ALSO DECREASING THROUGH THE NIGHT...THE BLIZZARD WARNING HAS BEEN CHANGED TO A WINTER WEATHER ADVISORY. APPROACHING I 90 AND SOUTHWARD...MEASURABLE ADDITIONAL SNOWFALL WILL BE HARD TO FIND. HOWEVER...THERE WILL LIKELY BE AREAS OF LIGHT FREEZING DRIZZLE OR FREEZING MIST...INTERMIXED WITH A FEW FLURRIES FROM TIME TO TIME. THEREFORE WINTER WEATHER ADVISORIES WILL CONTINUE ALONG I 90 FOR THE REST OF THE NIGHT FOR SOME LINGERING SLIPPERY CONDITIONS. SOME OF THE SLIPPERY CONDITIONS OF COURSE...WERE MADE EARLIER BY THE WIDESPREAD SLEET AND FREEZING RAIN. MNZ071-072-097-SDZ038>040-052>060-211115- /O.CAN.KFSD.BZ.W.0005.000000T0000Z-110221T1200Z/ /O.EXA.KFSD.WW.Y.0031.000000T0000Z-110221T1200Z/ LINCOLN-LYON-PIPESTONE-BEADLE-KINGSBURY-BROOKINGS-JERAULD-SANBORN- MINER-LAKE-MOODY-BRULE-AURORA-DAVISON-HANSON- INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON... IVANHOE...MARSHALL...PIPESTONE...HURON...DE SMET...ARLINGTON... LAKE PRESTON...BROOKINGS...WESSINGTON SPRINGS...ALPENA... WOONSOCKET...HOWARD...MADISON...FLANDREAU...CHAMBERLAIN... KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...MITCHELL... ALEXANDRIA...EMERY 911 PM CST SUN FEB 20 2011 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM CST MONDAY... ...BLIZZARD WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND AREAS OF BLOWING SNOW...WHICH IS IN EFFECT UNTIL 6 AM CST MONDAY. THE BLIZZARD WARNING HAS BEEN CANCELLED. * TIMING...OCCASIONAL SNOW WILL CONTINUE THROUGH THE NIGHT. * ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATIONS WILL STAY LESS THAN TWO INCHES FROM HURON SOUTH DAKOTA TO MARSHALL MINNESOTA. EVEN LESS SNOW WILL FALL SOUTH OF THAT LINE. * WIND AND VISIBILITY...NORTH WINDS WILL AVERAGE 15 TO 25 MPH FOR THE REMAINDER OF THE NIGHT. THESE WIND SPEEDS...COUPLED WITH THE SIGNIFICANT SNOW THAT HAS ALREADY FALLEN...WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW. VISIBILITIES IN OPEN AREAS WILL BE REDUCED TO LESS THAN A HALF MILE AT TIMES. * WIND CHILL VALUES...WIND CHILL VALUES OF 10 BELOW TO 15 BELOW WILL BE LIKELY TONIGHT ALONG AND WEST OF THE JAMES RIVER IN SOUTH DAKOTA. MORE MODERATE WIND CHILL READINGS OF JUST BELOW ZERO CAN BE EXPECTED AROUND BROOKINGS SOUTH DAKOTA AND MARSHALL MINNESOTA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$ MNZ080-081-089-090-211115- /O.CAN.KFSD.WS.W.0002.000000T0000Z-110221T1200Z/ /O.EXA.KFSD.WW.Y.0031.000000T0000Z-110221T1200Z/ MURRAY-COTTONWOOD-NOBLES-JACKSON- INCLUDING THE CITIES OF...SLAYTON...FULDA...WINDOM... MOUNTAIN LAKE...WORTHINGTON...JACKSON...LAKEFIELD 911 PM CST SUN FEB 20 2011 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM CST MONDAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR FREEZING DRIZZLE AND FREEZING MIST...WHICH IS IN EFFECT UNTIL 6 AM CST MONDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. * TIMING...AREAS OF FREEZING DRIZZLE OR FREEZING MIST WILL LIKELY CONTINUE FOR THE REST OF THE NIGHT. IN ADDITION...A FEW FLURRIES MAY ALSO BE FOUND WITH THE FREEZING PRECIPITATION. * ACCUMULATIONS...ACCUMULATIONS OF ICE OR SNOW WILL BE VERY MINOR. BUT ENOUGH FREEZING DRIZZLE COULD FALL TO KEEP UNTREATED ROADS AND SIDEWALKS SLICK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR LIGHT FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS...AND USE CAUTION WHILE DRIVING. && $$ SDZ050-063-064-210600- /O.EXT.KFSD.WW.Y.0031.000000T0000Z-110221T0600Z/ GREGORY-CHARLES MIX-DOUGLAS- INCLUDING THE CITIES OF...GREGORY...BURKE...WAGNER...PLATTE... LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT 911 PM CST SUN FEB 20 2011 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL MIDNIGHT CST TONIGHT... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL MIDNIGHT CST TONIGHT. * TIMING...PATCHY FREEZING DRIZZLE AND FLURRIES WILL LIKELY DIMINISH FURTHER AFTER MIDNIGHT. * ACCUMULATIONS...ANY ADDITIONAL ICE OR SNOW ACCUMULATIONS WILL BE EXTREMELY LIGHT...OR NON EXISTENT. * WIND AND VISIBILITY...NORTHWEST WINDS WILL BE QUITE BRISK FOR THE REMAINDER OF THE NIGHT...AVERAGING 20 TO 30 MPH. VISIBILITY PROBLEMS SHOULD NOT BE A MAJOR ISSUE HOWEVER SINCE ABUNDANT SNOW DID NOT FALL IN THIS AREA. * WIND CHILL VALUES...WIND CHILL VALUES WILL FALL TO THE TEENS BELOW ZERO OVERNIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$ IAZ001>003-MNZ098-SDZ061-062-065>067-211115- /O.EXT.KFSD.WW.Y.0031.000000T0000Z-110221T1200Z/ LYON-OSCEOLA-DICKINSON-ROCK-MCCOOK-MINNEHAHA-HUTCHINSON-TURNER- LINCOLN- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD...SIBLEY...SPIRIT LAKE...MILFORD...ARNOLDS PARK... LUVERNE...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE... SIOUX FALLS...PARKSTON...FREEMAN...MENNO...TRIPP...PARKER... CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...CANTON... LENNOX...TEA...HARRISBURG 911 PM CST SUN FEB 20 2011 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 6 AM CST MONDAY... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 6 AM CST MONDAY. * TIMING...AREAS OF FREEZING DRIZZLE OR FREEZING MIST WILL LIKELY CONTINUE FOR THE REST OF THE NIGHT. IN ADDITION...A FEW FLURRIES MAY ALSO BE FOUND WITH THE FREEZING PRECIPITATION. * ACCUMULATIONS...ACCUMULATIONS OF ICE OR SNOW WILL BE VERY MINOR. BUT ENOUGH FREEZING DRIZZLE COULD FALL TO KEEP UNTREATED ROADS AND SIDEWALKS SLICK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR LIGHT FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MJF
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 19, 3:37 PM CST | Blizzard Warning | FSD | Aurora, Beadle, Brookings, Brule, Charles Mix, Davison and 9 more | 30 hr |
| Feb 19, 3:37 PM CST | Ice Storm Warning | FSD | Bon Homme, Clay, Union, Yankton | 24 hr |
Nearby
Winter Storm Warnings in South Dakota, 2011Winter Storm Warnings in Minnesota, 2011Winter Storm Warnings in Iowa, 2011Every winter storm warning in 2011
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.