Alert archive / Iowa / Winter Storm Warnings in 2012
Winter Storm Warning 3, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this winter storm warning at Dec 19, 2012, 4:19 AM CST for 4 counties in Iowa. It took effect at Dec 19, 2012, 3:00 PM CST. It was in force for 50 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Dec 19, 2012, 4:19 AM CST (10:19 UTC)
- In effect from
- Dec 19, 2012, 3:00 PM CST
- Expired
- Dec 19, 2012, 3:50 PM CST
- In force
- 50 min
- Issued by
- NWS Sioux Falls, SD
Counties Buena Vista County, IA, Cherokee County, IA, Ida County, IA, Woodbury County, IA
The radar
The Sioux Falls radar (KFSD), 147 km from the middle of the area, began a volume at 10:17 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
Omaha, NE (KOAX), launched 00:00Z, 10.3 hours before the alert went out and 153 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
- 870 m above ground
- 0-6 km bulk shear
- 108 kt
- 0-1 km storm-relative helicity
- 89 m²/s²
- 0-3 km storm-relative helicity
- 105 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
248 WWUS43 KFSD 191019 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 419 AM CST WED DEC 19 2012 .STRONG LOW PRESSURE WILL TRACK FROM THE SOUTHERN ROCKIES THROUGH THE CENTRAL PLAINS TODAY AND TONIGHT. ON THE NORTH SIDE OF THE LOW TRACK...SNOW WILL BEGIN FALLING FROM WEST TO EAST IN THE LATE AFTERNOON AND EARLY EVENING ON WEDNESDAY IN NORTHWEST IOWA AND IMMEDIATE ADJACENT AREAS. SNOW AMOUNTS WILL BE VARIED...RANGING ANYWHERE FROM CLOSE TO AN INCH IN WORTHINGTON MINNESOTA...TO AROUND 6 INCHES IN IDA GROVE IOWA. HOWEVER THE NORTHERLY WINDS WILL BE STRONG...CREATING BLOWING SNOW AND GREATLY REDUCING VISIBILITIES TONIGHT AND EARLY THURSDAY. IAZ021-022-031-032-191830- /O.UPG.KFSD.WW.Y.0015.121219T2100Z-121220T1200Z/ /O.NEW.KFSD.WS.W.0003.121219T2100Z-121220T1800Z/ CHEROKEE-BUENA VISTA-WOODBURY-IDA- INCLUDING THE CITIES OF...CHEROKEE...STORM LAKE...SIOUX CITY... IDA GROVE...HOLSTEIN...BATTLE CREEK 419 AM CST WED DEC 19 2012 ...WINTER STORM WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO NOON CST THURSDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 3 PM THIS AFTERNOON TO NOON CST THURSDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * TIMING...SNOW IS EXPECTED TO DEVELOP LATE THIS AFTERNOON...BEING THE MOST INTENSE THIS EVENING...THEN DIMINISHING AFTER MIDNIGHT. * ACCUMULATIONS...SNOWFALL TOTALS WILL AVERAGE 4 TO 6 INCHES... HOWEVER AMOUNTS ARE 7 INCHES ARE LIKELY IN SOUTHERN IDA COUNTY. * WIND AND VISIBILITY...NORTHERLY WINDS WILL STEADILY INCREASE TO 20 TO 35 MPH BY AFTER MIDNIGHT TONIGHT...LASTING THROUGH THURSDAY MORNING. THEREFORE EVEN IF THE SNOW ENDS THURSDAY MORNING...WIDESPREAD BLOWING SNOW WILL STILL BE A MAJOR PROBLEM. VISIBILITIES WILL BE REDUCED TO LESS THAN A HALF MILE AT TIMES...ESPECIALLY TONIGHT AND EARLY THURSDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR SNOW AND WIND MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW AND WIND ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ IAZ003-013-191830- /O.EXB.KFSD.WW.Y.0015.121220T0000Z-121220T1800Z/ DICKINSON-OBRIEN- INCLUDING THE CITIES OF...SPIRIT LAKE...MILFORD...ARNOLDS PARK... SHELDON...HARTLEY...SANBORN 419 AM CST WED DEC 19 2012 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO NOON CST THURSDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO NOON CST THURSDAY. * TIMING...SNOW IS EXPECTED TO DEVELOP TOWARD EVENING...LASTING THROUGH TONIGHT AND ENDING EARLY THURSDAY. * ACCUMULATIONS...SNOWFALL TOTALS WILL AVERAGE 2 TO 4 INCHES. * WIND AND VISIBILITY...NORTHERLY WINDS WILL STEADILY INCREASE TO 20 TO 35 MPH BY AFTER MIDNIGHT TONIGHT...LASTING THROUGH THURSDAY MORNING. THEREFORE EVEN IF THE SNOW ENDS THURSDAY MORNING...BLOWING SNOW WILL STILL BE A PROBLEM. VISIBILITIES WILL BE REDUCED TO AROUND A HALF MILE AT TIMES... ESPECIALLY AFTER EVENING TONIGHT AND EARLY THURSDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$ IAZ002-MNZ089-090-191830- /O.EXB.KFSD.WW.Y.0015.121220T0000Z-121220T1800Z/ OSCEOLA-NOBLES-JACKSON- INCLUDING THE CITIES OF...SIBLEY...WORTHINGTON...JACKSON... LAKEFIELD 419 AM CST WED DEC 19 2012 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO NOON CST THURSDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO NOON CST THURSDAY. * TIMING...SNOW IS EXPECTED TO DEVELOP VERY EARLY THIS EVENING... LASTING THROUGH TONIGHT AND ENDING EARLY THURSDAY. * ACCUMULATIONS...SNOWFALL TOTALS WILL AVERAGE 1 TO 2 INCHES. * WIND AND VISIBILITY...NORTHERLY WINDS WILL STEADILY INCREASE TO 20 TO 35 MPH BY AFTER MIDNIGHT TONIGHT...LASTING THROUGH THURSDAY MORNING. THE SNOWFALL TOTALS ARE NOT EXPECTED TO BE HEAVY...BUT DUE TO THE ALREADY EXISTING SNOW COVER...BLOWING SNOW WILL BE A PROBLEM...ESPECIALLY AFTER EVENING TONIGHT THROUGH THURSDAY MORNING. EXPECT VISIBILITIES TO FALL TO AROUND A HALF MILE AT TIMES. 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. && $$ IAZ020-NEZ013-014-191830- /O.EXA.KFSD.WW.Y.0015.121219T2100Z-121220T1200Z/ PLYMOUTH-DIXON-DAKOTA- INCLUDING THE CITIES OF...LE MARS...WAKEFIELD...PONCA...ALLEN... SOUTH SIOUX CITY 419 AM CST WED DEC 19 2012 ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO 6 AM CST THURSDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 3 PM THIS AFTERNOON TO 6 AM CST THURSDAY. * TIMING...SNOW IS EXPECTED TO DEVELOP THIS AFTERNOON...BEING THE MOST INTENSE THIS EVENING...THEN DIMINISHING AFTER MIDNIGHT. * ACCUMULATIONS...SNOWFALL TOTALS WILL AVERAGE 2 TO 4 INCHES. * WIND AND VISIBILITY...NORTHERLY WINDS WILL STEADILY INCREASE TO 20 TO 30 MPH TONIGHT AND EARLY THURSDAY. THEREFORE AREAS OF BLOWING SNOW WILL BE A PROBLEM REDUCING VISIBILITIES TO AROUND A HALF MILE...ESPECIALLY TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... MONITOR NOAA WEATHER RADIO FOR THE LATEST INFORMATION... FORECASTS...AND WARNINGS. && $$ IAZ012-SDZ070-071-191830- /O.EXA.KFSD.WW.Y.0015.121219T2100Z-121220T1200Z/ SIOUX-CLAY-UNION- INCLUDING THE CITIES OF...ORANGE CITY...SIOUX CENTER... VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT... ALCESTER...JEFFERSON 419 AM CST WED DEC 19 2012 ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO 6 AM CST THURSDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 3 PM THIS AFTERNOON TO 6 AM CST THURSDAY. * TIMING...SNOW IS EXPECTED TO DEVELOP THIS AFTERNOON...BEING THE MOST INTENSE THIS EVENING...THEN DIMINISHING AFTER MIDNIGHT. * ACCUMULATIONS...SNOWFALL TOTALS WILL AVERAGE ABOUT ONE AND A HALF TO TWO AND A HALF INCHES. * WIND AND VISIBILITY...NORTHERLY WINDS WILL STEADILY INCREASE TO 20 TO 30 MPH TONIGHT AND EARLY THURSDAY. THEREFORE AREAS OF BLOWING SNOW WILL BE A PROBLEM REDUCING VISIBILITIES TO AROUND A HALF MILE...ESPECIALLY TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... MONITOR NOAA WEATHER RADIO FOR THE LATEST INFORMATION... FORECASTS...AND WARNINGS. && $$ IAZ014-191830- /O.EXT.KFSD.WW.Y.0015.121220T0000Z-121220T1800Z/ CLAY- INCLUDING THE CITY OF...SPENCER 419 AM CST WED DEC 19 2012 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 6 PM THIS EVENING TO NOON CST THURSDAY... * TIMING...SNOW IS EXPECTED TO DEVELOP TOWARD EVENING...LASTING THROUGH TONIGHT AND ENDING EARLY THURSDAY. * ACCUMULATIONS...SNOWFALL TOTALS WILL AVERAGE 3 TO 4 INCHES. * WIND AND VISIBILITY...NORTHERLY WINDS WILL STEADILY INCREASE TO 20 TO 35 MPH BY AFTER MIDNIGHT TONIGHT...LASTING THROUGH THURSDAY MORNING. THEREFORE EVEN IF THE SNOW ENDS THURSDAY MORNING...BLOWING SNOW WILL STILL BE A PROBLEM. VISIBILITIES WILL BE REDUCED TO AROUND A HALF MILE AT TIMES...ESPECIALLY AFTER EVENING TONIGHT AND EARLY THURSDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$
2 follow-up statements
265 WWUS43 KFSD 191641 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 1041 AM CST WED DEC 19 2012 .STRONG LOW PRESSURE WILL TRACK FROM THE SOUTHERN ROCKIES THROUGH THE CENTRAL PLAINS TODAY AND TONIGHT. ON THE NORTH SIDE OF THE LOW TRACK...SNOW WILL BEGIN FALLING IN THE LATE AFTERNOON AND EARLY EVENING IN NORTHWEST IOWA AND IMMEDIATE ADJACENT AREAS. SNOW AMOUNTS WILL BE VARIED...RANGING ANYWHERE FROM CLOSE TO AN INCH IN WORTHINGTON MINNESOTA...TO AROUND 6 INCHES IN IDA GROVE IOWA. HOWEVER THE NORTHERLY WINDS WILL BE STRONG...CREATING BLOWING SNOW AND GREATLY REDUCING VISIBILITIES TONIGHT AND EARLY THURSDAY. IAZ021-022-031-032-200045- /O.CON.KFSD.WS.W.0003.121219T2100Z-121220T1800Z/ CHEROKEE-BUENA VISTA-WOODBURY-IDA- INCLUDING THE CITIES OF...CHEROKEE...STORM LAKE...SIOUX CITY... IDA GROVE...HOLSTEIN...BATTLE CREEK 1041 AM CST WED DEC 19 2012 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO NOON CST THURSDAY... * TIMING...SNOW IS EXPECTED TO DEVELOP LATE THIS AFTERNOON...THEN BECOME VERY INTESNSE THIS EVENING BEFORE DIMINISHING AFTER MIDNIGHT. * ACCUMULATIONS...SNOWFALL TOTALS WILL AVERAGE 4 TO 6 INCHES... WITH LOCALLY HEAVIER AMOUNTS AROUND 7 INCHES POSSIBLE IN SOUTHERN IDA COUNTY. * WIND AND VISIBILITY...NORTHERLY WINDS WILL STEADILY INCREASE TO 20 TO 35 MPH BY MIDNIGHT TONIGHT...LASTING THROUGH THURSDAY MORNING. ALTHOUGH SNOW IS EXPECTED TO END THURSDAY MORNING...WIDESPREAD BLOWING SNOW WILL STILL BE A MAJOR PROBLEM. VISIBILITIES WILL BE REDUCED TO LESS THAN A HALF MILE AT TIMES...ESPECIALLY TONIGHT AND EARLY THURSDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR SNOW AND WIND MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW AND WIND 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. && $$ IAZ020-NEZ013-014-200045- /O.CON.KFSD.WW.Y.0015.121219T2100Z-121220T1200Z/ PLYMOUTH-DIXON-DAKOTA- INCLUDING THE CITIES OF...LE MARS...WAKEFIELD...PONCA...ALLEN... SOUTH SIOUX CITY 1041 AM CST WED DEC 19 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO 6 AM CST THURSDAY... * TIMING...SNOW IS EXPECTED TO DEVELOP THIS AFTERNOON AND BECOME INTENSE THIS EVENING BEFORE DIMINISHING AFTER MIDNIGHT. * ACCUMULATIONS...SNOWFALL TOTALS WILL AVERAGE 2 TO 4 INCHES. * WIND AND VISIBILITY...NORTHERLY WINDS WILL STEADILY INCREASE TO 20 TO 30 MPH TONIGHT AND EARLY THURSDAY...PRODUCING AREAS OF BLOWING SNOW. VISIBILITIES ARE EXPECTED TO BECOME REDUCED TO AROUND A HALF MILE AT TIMES...ESPECIALLY TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... MONITOR NOAA WEATHER RADIO FOR THE LATEST INFORMATION... FORECASTS...AND WARNINGS. && $$ IAZ012-SDZ070-071-200045- /O.CON.KFSD.WW.Y.0015.121219T2100Z-121220T1200Z/ SIOUX-CLAY-UNION- INCLUDING THE CITIES OF...ORANGE CITY...SIOUX CENTER... VERMILLION...NORTH SIOUX CITY...BERESFORD...ELK POINT... ALCESTER...JEFFERSON 1041 AM CST WED DEC 19 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO 6 AM CST THURSDAY... * TIMING...SNOW IS EXPECTED TO DEVELOP THIS AFTERNOON AND BECOME INTENSE THIS EVENING BEFORE DIMINISHING AFTER MIDNIGHT. * ACCUMULATIONS...SNOWFALL TOTALS WILL AVERAGE ABOUT ONE AND A HALF TO TWO AND A HALF INCHES. * WIND AND VISIBILITY...NORTHERLY WINDS WILL STEADILY INCREASE TO 20 TO 30 MPH TONIGHT AND EARLY THURSDAY...PRODUCING AREAS OF BLOWING SNOW. VISIBILITIES ARE EXPECTED TO BECOME REDUCED TO AROUND A HALF MILE AT TIMES...ESPECIALLY TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... MONITOR NOAA WEATHER RADIO FOR THE LATEST INFORMATION... FORECASTS...AND WARNINGS. && $$ IAZ003-013-014-200045- /O.CON.KFSD.WW.Y.0015.121220T0000Z-121220T1800Z/ DICKINSON-OBRIEN-CLAY- INCLUDING THE CITIES OF...SPIRIT LAKE...MILFORD...ARNOLDS PARK... SHELDON...HARTLEY...SANBORN...SPENCER 1041 AM CST WED DEC 19 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON CST THURSDAY... * TIMING...SNOW IS EXPECTED TO DEVELOP TOWARD EVENING...LASTING THROUGH TONIGHT AND ENDING EARLY THURSDAY. * ACCUMULATIONS...SNOWFALL TOTALS WILL AVERAGE 2 TO 4 INCHES. * WIND AND VISIBILITY...NORTHERLY WINDS WILL STEADILY INCREASE TO 20 TO 35 MPH BY MIDNIGHT TONIGHT...LASTING THROUGH THURSDAY MORNING. ALTHOUGH SNOW IS EXPECTED TO END THURSDAY MORNING...WIDESPREAD BLOWING SNOW WILL STILL BE A MAJOR PROBLEM. VISIBILITIES WILL BE REDUCED TO AROUND A HALF MILE AT TIMES...ESPECIALLY TONIGHT AND EARLY THURSDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$ IAZ002-MNZ089-090-200045- /O.CON.KFSD.WW.Y.0015.121220T0000Z-121220T1800Z/ OSCEOLA-NOBLES-JACKSON- INCLUDING THE CITIES OF...SIBLEY...WORTHINGTON...JACKSON... LAKEFIELD 1041 AM CST WED DEC 19 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON CST THURSDAY... * TIMING...SNOW IS EXPECTED TO DEVELOP VERY EARLY THIS EVENING... LASTING THROUGH TONIGHT BEFORE ENDING EARLY THURSDAY. * ACCUMULATIONS...SNOWFALL TOTALS WILL AVERAGE 1 TO 2 INCHES. * WIND AND VISIBILITY...NORTHERLY WINDS WILL STEADILY INCREASE TO 20 TO 35 MPH BY AFTER MIDNIGHT TONIGHT...LASTING THROUGH THURSDAY MORNING. THE SNOWFALL TOTALS ARE NOT EXPECTED TO BE HEAVY...BUT DUE TO THE ALREADY EXISTING SNOW COVER...BLOWING SNOW WILL BE A PROBLEM...ESPECIALLY LATE EVENING THROUGH THURSDAY MORNING. EXPECT VISIBILITIES TO FALL TO AROUND A HALF MILE AT TIMES. 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. && $$
957 WWUS43 KFSD 192150 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 350 PM CST WED DEC 19 2012 IAZ021-022-031-032-200600- /O.CAN.KFSD.WS.W.0003.000000T0000Z-121220T1800Z/ /O.NEW.KFSD.BZ.W.0002.121220T0000Z-121220T1800Z/ CHEROKEE-BUENA VISTA-WOODBURY-IDA- INCLUDING THE CITIES OF...CHEROKEE...STORM LAKE...SIOUX CITY... IDA GROVE...HOLSTEIN...BATTLE CREEK 350 PM CST WED DEC 19 2012 ...BLIZZARD WARNING IN EFFECT UNTIL NOON CST THURSDAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A BLIZZARD WARNING...WHICH IS IN EFFECT UNTIL NOON CST THURSDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. * TIMING...SNOW IS EXPECTED TO INTENSIFY OVER THE AREA THROUGH THE LATE AFTERNOON AND EVENING...THEN DIMINISH AFTER MIDNIGHT. * ACCUMULATIONS...SNOWFALL TOTALS WILL AVERAGE 4 TO 6 INCHES... WITH LOCALLY HEAVIER AMOUNTS OF UP TO 7 INCHES POSSIBLE IN SOUTHERN IDA COUNTY. * WIND AND VISIBILITY...NORTHERLY WINDS WILL STEADILY INCREASE TO 20 TO 35 MPH BY MIDNIGHT TONIGHT...LASTING THROUGH THURSDAY MORNING. ALTHOUGH SNOW IS EXPECTED TO END THURSDAY MORNING... WIDESPREAD BLOWING SNOW WILL STILL BE A MAJOR PROBLEM. VISIBILITIES WILL BE REDUCED TO LESS THAN A QUARTER OF A MILE AT TIMES...BY LATER TONIGHT AND EARLY THURSDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. && $$ IAZ012-020-NEZ013-SDZ070-071-200600- /O.CAN.KFSD.WW.Y.0015.000000T0000Z-121220T1200Z/ /O.NEW.KFSD.WW.Y.0016.121220T0000Z-121220T1200Z/ SIOUX-PLYMOUTH-DIXON-CLAY-UNION- INCLUDING THE CITIES OF...ORANGE CITY...SIOUX CENTER...LE MARS... WAKEFIELD...PONCA...ALLEN...VERMILLION...NORTH SIOUX CITY... BERESFORD...ELK POINT...ALCESTER...JEFFERSON 350 PM CST WED DEC 19 2012 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM CST THURSDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL 6 AM CST THURSDAY. * TIMING...SNOW IS EXPECTED TO INTENSIFY THROUGH THE LATE AFTERNOON AND EVENING BEFORE DIMINISHING AFTER MIDNIGHT. * ACCUMULATIONS...SNOWFALL TOTALS WILL AVERAGE ABOUT ONE AND A HALF INCHES IN NORTHERN AREAS TO AROUND 4 INCHES IN THE FAR SOUTH. * WIND AND VISIBILITY...NORTHERLY WINDS WILL STEADILY INCREASE TO 20 TO 30 MPH TONIGHT AND EARLY THURSDAY...PRODUCING AREAS OF BLOWING SNOW. VISIBILITIES ARE EXPECTED TO BE REDUCED TO AROUND A HALF MILE AT TIMES...ESPECIALLY TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... MONITOR NOAA WEATHER RADIO FOR THE LATEST INFORMATION... FORECASTS...AND WARNINGS. 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. && $$ NEZ014-200600- /O.UPG.KFSD.WW.Y.0015.000000T0000Z-121220T1200Z/ /O.NEW.KFSD.BZ.W.0002.121220T0000Z-121220T1800Z/ DAKOTA- INCLUDING THE CITY OF...SOUTH SIOUX CITY 350 PM CST WED DEC 19 2012 ...BLIZZARD WARNING IN EFFECT UNTIL NOON CST THURSDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A BLIZZARD WARNING...WHICH IS IN EFFECT UNTIL NOON CST THURSDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * TIMING...SNOW IS EXPECTED TO INTENSIFY OVER THE AREA THROUGH THE LATE AFTERNOON AND EVENING...THEN DIMINISH AFTER MIDNIGHT. * ACCUMULATIONS...SNOWFALL TOTALS WILL AVERAGE 4 TO 5 INCHES. * WIND AND VISIBILITY...NORTHERLY WINDS WILL STEADILY INCREASE TO 25 TO 35 MPH TONIGHT AND EARLY THURSDAY...PRODUCING AREAS OF BLOWING SNOW. VISIBILITIES ARE EXPECTED TO BECOME REDUCED TO AROUND A QUARTER OF A MILE AT TIMES...ESPECIALLY TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. && $$ IAZ001-200600- /O.EXB.KFSD.WW.Y.0015.121220T0000Z-121220T1200Z/ LYON- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD 350 PM CST WED DEC 19 2012 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM CST THURSDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL 6 AM CST THURSDAY. * TIMING...SNOW IS EXPECTED TO INTENSIFY LATE THIS AFTERNOON AND EVENING...BEFORE TAPERING OFF AFTER MIDNIGHT. * ACCUMULATIONS...SNOWFALL TOTALS WILL AVERAGE 1 TO 2 INCHES. * WIND AND VISIBILITY...NORTHERLY WINDS WILL STEADILY INCREASE TO 20 TO 30 MPH AFTER MIDNIGHT TONIGHT...LASTING THROUGH THURSDAY MORNING. THIS WILL RESULT IN AREAS OF BLOWING SNOW...ESPECIALLY LATE TONIGHT THROUGH THURSDAY MORNING. EXPECT VISIBILITIES TO FALL TO AROUND A HALF MILE AT TIMES. 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. && $$ MNZ081-200600- /O.EXA.KFSD.WW.Y.0015.121220T0000Z-121220T1800Z/ COTTONWOOD- INCLUDING THE CITIES OF...WINDOM...MOUNTAIN LAKE 350 PM CST WED DEC 19 2012 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON CST THURSDAY... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL NOON CST THURSDAY. * TIMING...SNOW IS EXPECTED TO DEVELOP VERY EARLY THIS EVENING... LASTING THROUGH TONIGHT BEFORE ENDING EARLY THURSDAY. * ACCUMULATIONS...SNOWFALL TOTALS WILL AVERAGE A HALF AN INCH TO 1 AND A HALF INCHES. * WIND AND VISIBILITY...NORTHERLY WINDS WILL STEADILY INCREASE TO 20 TO 30 MPH BY AFTER MIDNIGHT TONIGHT...LASTING THROUGH THURSDAY MORNING. THOUGH SNOWFALL TOTALS ARE NOT EXPECTED TO BE HEAVY...WITH THE ALREADY EXISTING SNOW COVER...BLOWING SNOW WILL BE A PROBLEM...ESPECIALLY LATER TONIGHT THROUGH THURSDAY MORNING. EXPECT VISIBILITIES TO FALL TO AROUND A HALF MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$ IAZ002-003-013-014-MNZ089-090-200600- /O.CON.KFSD.WW.Y.0015.121220T0000Z-121220T1800Z/ OSCEOLA-DICKINSON-OBRIEN-CLAY-NOBLES-JACKSON- INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD... ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER... WORTHINGTON...JACKSON...LAKEFIELD 350 PM CST WED DEC 19 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST THURSDAY... * TIMING...SNOW IS EXPECTED TO DEVELOP VERY EARLY THIS EVENING... LASTING THROUGH TONIGHT BEFORE ENDING EARLY THURSDAY. * ACCUMULATIONS...SNOWFALL TOTALS WILL AVERAGE 1 TO 3 INCHES. * WIND AND VISIBILITY...NORTHERLY WINDS WILL STEADILY INCREASE TO 20 TO 30 MPH AFTER MIDNIGHT TONIGHT...LASTING THROUGH THURSDAY MORNING. THOUGH SNOWFALL TOTALS ARE NOT EXPECTED TO BE HEAVY...WITH THE ALREADY EXISTING SNOW COVER...BLOWING SNOW WILL BE A PROBLEM...ESPECIALLY LATER TONIGHT THROUGH THURSDAY MORNING. EXPECT VISIBILITIES TO FALL TO AROUND A HALF MILE AT TIMES. 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. && $$
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 19, 3:50 PM CST | Blizzard Warning | FSD | Buena Vista, Cherokee, Ida, Woodbury | 20 hr |
| Dec 19, 3:50 PM CST | Winter Weather Advisory | FSD | Plymouth, Sioux | 12 hr |
Nearby
Winter Storm Warnings in Iowa, 2012Every winter storm warning in 2012
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.