Alert archive / Iowa / Blizzard Warnings in 2012
Blizzard Warning 2, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this blizzard warning at Dec 19, 2012, 3:50 PM CST for 4 counties in Iowa; Dakota County, Nebraska. It took effect at Dec 19, 2012, 6:00 PM CST. It was in force for 18 hr. 14 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Dec 19, 2012, 3:50 PM CST (21:50 UTC)
- In effect from
- Dec 19, 2012, 6:00 PM CST
- Expired
- Dec 20, 2012, 12:00 PM CST
- In force
- 18 hr
- Issued by
- NWS Sioux Falls, SD
Counties Buena Vista County, IA, Cherokee County, IA, Ida County, IA, Woodbury County, IA, Dakota County, NE
The radar
The Sioux Falls radar (KFSD), 141 km from the middle of the area, began a volume at 21:49 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Dec 19, 10:00 PM CST | SNOW 3.5 | 2 S Storm Lake, IA | SNOWFALL ACCUMULATION OF 3 TO 4 INCHES. ESTIMATED VISIBILITES LESS THAN 1/2 MI. |
| Dec 19, 10:47 PM CST | SNOW 1.5 | Sioux City, IA | |
| Dec 19, 10:47 PM CST | SNOW 2 | Sioux City, IA | 1.5 INCHES OF SNOW |
| Dec 19, 11:10 PM CST | SNOW 1.8 | Sioux City, IA | |
| Dec 19, 11:30 PM CST | SNOW 2.5 | Nw Sioux City, IA | |
| Dec 19, 11:55 PM CST | SNOW 3.5 | Ida Grove, IA | |
| Dec 20, 12:25 AM CST | SNOW 2.9 | Sioux City, IA | DOWNTOWN |
| Dec 20, 6:00 AM CST | SNOW 3.6 | Sioux City, IA | EVENT STORM TOTAL |
| Dec 20, 6:00 AM CST | SNOW 3.7 | Sioux City, IA | EVENT STORM TOTAL |
| Dec 20, 7:30 AM CST | SNOW 6 | Storm Lake, IA | BLOWING SNOW WITH VISIBILITY GENERALLY 1 TO 2 MILES...BUT 1/2 MILE OR LESS ON MANY EAST/WEST ROADS. |
| Dec 20, 7:31 AM CST | BLIZZARD | Ida Grove, IA | VISIBILITY NEAR ZERO IN SOME AREAS WITH BLOWING SNOW...VARIABLE TO GOOD VISIBILITY IN SHELTERED AREAS. |
| Dec 20, 8:30 AM CST | SNOW 5 | Holstein, IA | PRECIPITATION 0.35...DRIFTING SNOW BUT VISIBILITY GOOD. |
| Dec 20, 12:00 PM CST | SNOW 3.2 | Sioux Rapids, IA | |
| Dec 20, 12:10 PM CST | SNOW 5 | Cherokee, IA |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 9.8 hours before the alert went out and 143 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
- 1024 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 97 m²/s²
- 0-3 km storm-relative helicity
- 233 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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. && $$ IAZ002-003-013-014-MNZ089-090-200600- /O.CON.KFSD.WW.Y.0015.121220T0000Z-121220T1800Z/ OSCEOLA-DICKINSON-OBRIEN-CLAY-NOBLES-JACKSON- INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD... ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER... WORTHINGTON...JACKSON...LAKEFIELD 350 PM CST WED DEC 19 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST THURSDAY... * TIMING...SNOW IS EXPECTED TO DEVELOP VERY EARLY THIS EVENING... LASTING THROUGH TONIGHT BEFORE ENDING EARLY THURSDAY. * ACCUMULATIONS...SNOWFALL TOTALS WILL AVERAGE 1 TO 3 INCHES. * WIND AND VISIBILITY...NORTHERLY WINDS WILL STEADILY INCREASE TO 20 TO 30 MPH AFTER MIDNIGHT TONIGHT...LASTING THROUGH THURSDAY MORNING. THOUGH SNOWFALL TOTALS ARE NOT EXPECTED TO BE HEAVY...WITH THE ALREADY EXISTING SNOW COVER...BLOWING SNOW WILL BE A PROBLEM...ESPECIALLY LATER TONIGHT THROUGH THURSDAY MORNING. EXPECT VISIBILITIES TO FALL TO AROUND A HALF MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$
3 follow-up statements
780 WWUS43 KFSD 200329 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 929 PM CST WED DEC 19 2012 IAZ021-022-031-032-NEZ014-201130- /O.CON.KFSD.BZ.W.0002.000000T0000Z-121220T1800Z/ CHEROKEE-BUENA VISTA-WOODBURY-IDA-DAKOTA- INCLUDING THE CITIES OF...CHEROKEE...STORM LAKE...SIOUX CITY... IDA GROVE...HOLSTEIN...BATTLE CREEK...SOUTH SIOUX CITY 929 PM CST WED DEC 19 2012 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL NOON CST THURSDAY... * TIMING...SNOW IS EXPECTED TO INTENSIFY OVER THE AREA THROUGH 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. && $$ IAZ012-020-NEZ013-SDZ070-071-201130- /O.CON.KFSD.WW.Y.0016.000000T0000Z-121220T1200Z/ SIOUX-PLYMOUTH-DIXON-CLAY-UNION- INCLUDING THE CITIES OF...ORANGE CITY...SIOUX CENTER...LE MARS... WAKEFIELD...PONCA...ALLEN...VERMILLION...NORTH SIOUX CITY... BERESFORD...ELK POINT...ALCESTER...JEFFERSON 929 PM CST WED DEC 19 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST THURSDAY... * TIMING...SNOW IS EXPECTED TO INTENSIFY THROUGH THE LATE EVENING BEFORE DIMINISHING AFTER MIDNIGHT. * ACCUMULATIONS...SNOWFALL TOTALS WILL AVERAGE ABOUT ONE AND A HALF INCHES IN NORTHERN AREAS TO AROUND 4 INCHES IN THE FAR SOUTH. * WIND AND VISIBILITY...NORTHERLY WINDS WILL STEADILY INCREASE TO 20 TO 30 MPH TONIGHT AND EARLY THURSDAY...PRODUCING AREAS OF BLOWING SNOW. VISIBILITIES ARE EXPECTED TO BE REDUCED TO AROUND A HALF MILE AT TIMES...ESPECIALLY TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... MONITOR NOAA WEATHER RADIO FOR THE LATEST INFORMATION... FORECASTS...AND WARNINGS. A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$ IAZ001-201130- /O.CON.KFSD.WW.Y.0015.000000T0000Z-121220T1200Z/ LYON- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD 929 PM CST WED DEC 19 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST THURSDAY... * TIMING...SNOW IS EXPECTED TO INTENSIFY THROUGH THE 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. && $$ IAZ002-003-013-014-MNZ081-089-090-201130- /O.CON.KFSD.WW.Y.0015.000000T0000Z-121220T1800Z/ OSCEOLA-DICKINSON-OBRIEN-CLAY-COTTONWOOD-NOBLES-JACKSON- INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD... ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER...WINDOM... MOUNTAIN LAKE...WORTHINGTON...JACKSON...LAKEFIELD 929 PM CST WED DEC 19 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST THURSDAY... * TIMING...SNOW IS EXPECTED TO CONTINUE THROUGH THE LATE NIGHT HOURS BEFORE ENDING EARLY THURSDAY. * ACCUMULATIONS...SNOWFALL TOTALS WILL AVERAGE 1 TO 3 INCHES. * WIND AND VISIBILITY...NORTHERLY WINDS WILL STEADILY INCREASE TO 20 TO 30 MPH AFTER MIDNIGHT TONIGHT...LASTING THROUGH THURSDAY MORNING. THOUGH SNOWFALL TOTALS ARE NOT EXPECTED TO BE HEAVY... WITH THE ALREADY EXISTING SNOW COVER...BLOWING SNOW WILL BE A PROBLEM...ESPECIALLY LATER TONIGHT THROUGH THURSDAY MORNING. EXPECT VISIBILITIES TO FALL TO AROUND A HALF MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$
053 WWUS43 KFSD 200944 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 344 AM CST THU DEC 20 2012 IAZ021-031-NEZ014-201745- /O.CAN.KFSD.BZ.W.0002.000000T0000Z-121220T1800Z/ /O.EXA.KFSD.WW.Y.0015.000000T0000Z-121220T1800Z/ CHEROKEE-WOODBURY-DAKOTA- INCLUDING THE CITIES OF...CHEROKEE...SIOUX CITY... SOUTH SIOUX CITY 344 AM CST THU DEC 20 2012 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON CST TODAY... ...BLIZZARD WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A WINTER WEATHER ADVISORY FOR LIGHT SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL NOON CST TODAY. THE BLIZZARD WARNING HAS BEEN CANCELLED. * TIMING...LIGHT SNOW WILL CONTINUE TO TAPER OFF EARLY TODAY. * ACCUMULATIONS...LITTLE ADDITIONAL ACCUMULATION IS EXPECTED. * WIND AND VISIBILITY...NORTHERLY WINDS WILL AVERAGE 20 TO 35 MPH THIS MORNING...CREATING AREAS OF BLOWING SNOW. LOCALLY... VISIBILITIES WILL BE REDUCED TO LESS THAN A MILE AT TIMES. 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. && $$ IAZ012-020-NEZ013-SDZ070-071-201045- /O.CAN.KFSD.WW.Y.0016.000000T0000Z-121220T1200Z/ SIOUX-PLYMOUTH-DIXON-CLAY-UNION- INCLUDING THE CITIES OF...ORANGE CITY...SIOUX CENTER...LE MARS... WAKEFIELD...PONCA...ALLEN...VERMILLION...NORTH SIOUX CITY... BERESFORD...ELK POINT...ALCESTER...JEFFERSON 344 AM CST THU DEC 20 2012 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE WINTER WEATHER ADVISORY. SNOW HAS MOVED OUT OF THIS AREA. NORTH TO NORTHWEST WINDS AVERAGING 20 TO 30 MPH WILL CREATE SOME LOCALLY REDUCED VISIBILITIES AT TIMES THIS MORNING. SO USE CAUTION WHEN DRIVING. $$ IAZ001-201045- /O.CAN.KFSD.WW.Y.0015.000000T0000Z-121220T1200Z/ LYON- INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD... LARCHWOOD 344 AM CST THU DEC 20 2012 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE WINTER WEATHER ADVISORY. SNOW HAS MOVED OUT OF THIS AREA. NORTH TO NORTHWEST WINDS AVERAGING 20 TO 30 MPH WILL CREATE SOME LOCALLY REDUCED VISIBILITIES AT TIMES THIS MORNING. SO USE CAUTION WHEN DRIVING. $$ MNZ081-201045- /O.CAN.KFSD.WW.Y.0015.000000T0000Z-121220T1800Z/ COTTONWOOD- INCLUDING THE CITIES OF...WINDOM...MOUNTAIN LAKE 344 AM CST THU DEC 20 2012 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE WINTER WEATHER ADVISORY. LIGHT SNOW WILL CONTINUE TO TAPER OFF EARLY TODAY. NORTH TO NORTHWEST WINDS AVERAGING 20 TO 35 MPH WILL CREATE SOME LOCALLY REDUCED VISIBILITIES AT TIMES THIS MORNING. SO USE CAUTION WHEN DRIVING. $$ IAZ022-032-201745- /O.CON.KFSD.BZ.W.0002.000000T0000Z-121220T1800Z/ BUENA VISTA-IDA- INCLUDING THE CITIES OF...STORM LAKE...IDA GROVE...HOLSTEIN... BATTLE CREEK 344 AM CST THU DEC 20 2012 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY... * TIMING...SNOW WILL CONTINUE TO TAPER OFF EARLY TODAY. * ACCUMULATIONS...ADDITIONAL SNOWFALL ACCUMULATIONS WILL LIKELY BE LESS THAN AN INCH. * WIND AND VISIBILITY...NORTHERLY WINDS WILL AVERAGE 25 TO 35 MPH THIS MORNING...CREATING BLOWING SNOW. LOCALLY...VISIBILITIES WILL BE REDUCED TO LESS THAN A HALF MILE AT TIMES. 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. && $$ IAZ002-003-013-014-MNZ089-090-201745- /O.CON.KFSD.WW.Y.0015.000000T0000Z-121220T1800Z/ OSCEOLA-DICKINSON-OBRIEN-CLAY-NOBLES-JACKSON- INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD... ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER... WORTHINGTON...JACKSON...LAKEFIELD 344 AM CST THU DEC 20 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... * TIMING...LIGHT SNOW WILL CONTINUE TO TAPER OFF EARLY TODAY. * ACCUMULATIONS...LITTLE TO NO ADDITIONAL SNOWFALL ACCUMULATIONS ARE EXPECTED. * WIND AND VISIBILITY...NORTHERLY WINDS WILL AVERAGE 20 TO 35 MPH THIS MORNING...CREATING AREAS OF BLOWING SNOW. LOCALLY... VISIBILITIES WILL BE REDUCED TO LESS THAN A MILE AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$
735 WWUS43 KFSD 201747 WSWFSD URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 1147 AM CST THU DEC 20 2012 .STRONG LOW PRESSURE EAST OF IOWA AT NOON TODAY WILL CONTINUE TO MOVE EAST AWAY FROM THE AREA. THIS WILL ALLOW NORTHWEST WINDS TO DECREASE SLOWLY EARLY THIS AFTERNOON...AND MORE RAPIDLY BY THE START OF THE EVENING. IAZ022-032-201900- /O.EXP.KFSD.BZ.W.0002.000000T0000Z-121220T1800Z/ BUENA VISTA-IDA- INCLUDING THE CITIES OF...STORM LAKE...IDA GROVE...HOLSTEIN... BATTLE CREEK 1147 AM CST THU DEC 20 2012 ...BLIZZARD WARNING WILL EXPIRE AT NOON CST TODAY... WITH NO MORE SNOW FALLING...EXISTING SNOW BECOMING MORE COMPACT...AND WIND BEGINNING TO DECREASE...BLIZZARD CONDITIONS ARE NOT EXPECTED THIS AFTERNOON. A FEW OPEN AREAS WILL SEE VISIBILITIES OF A HALF MILE TO 2 MILES IN BLOWING SNOW UNTIL ABOUT 300 PM. ALTHOUGH VISIBILITY WILL CONTINUE TO IMPROVE...SNOW WILL CONTINUE TO DRIFT OVER ROADS AND OTHER AREAS AT LOW LEVELS FOR MUCH OF THE AFTERNOON. $$ IAZ002-003-013-014-021-031-MNZ089-090-NEZ014-201900- /O.EXP.KFSD.WW.Y.0015.000000T0000Z-121220T1800Z/ OSCEOLA-DICKINSON-OBRIEN-CLAY-CHEROKEE-WOODBURY-NOBLES-JACKSON- DAKOTA- INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD... ARNOLDS PARK...SHELDON...HARTLEY...SANBORN...SPENCER...CHEROKEE... SIOUX CITY...WORTHINGTON...JACKSON...LAKEFIELD...SOUTH SIOUX CITY 1147 AM CST THU DEC 20 2012 ...WINTER WEATHER ADVISORY WILL EXPIRE AT NOON CST TODAY... .WITH NO MORE SNOW FALLING...EXISTING SNOW BECOMING MORE COMPACT...AND WIND BEGINNING TO DECREASE...BLOWING SNOW WITH REDUCED VISIBILITIES WILL CONTINUE TO ABATE THIS AFTERNOON. HOWEVER...SNOW WILL CONTINUE TO DRIFT OVER ROADS AND OTHER AREAS AT LOW LEVELS DURING THE AFTERNOON. $$
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 19, 4:19 AM CST | Winter Storm Warning | FSD | Buena Vista, Cherokee, Ida, Woodbury | 12 hr |
| Dec 19, 3:50 PM CST | Winter Weather Advisory | FSD | Plymouth, Sioux | 12 hr |
Nearby
Blizzard Warnings in Iowa, 2012Blizzard Warnings in Nebraska, 2012Every blizzard 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.