Alert archive / South Dakota / Winter Storm Watches in 2015
Winter Storm Watch 1, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this winter storm watch at Jan 3, 2015, 3:36 PM CST for 13 counties in South Dakota; 11 counties in Iowa; 8 counties in Minnesota. It took effect at Jan 5, 2015, 12:00 PM CST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Jan 3, 2015, 3:36 PM CST (21:36 UTC)
- In effect from
- Jan 5, 2015, 12:00 PM CST
- Expired
- Jan 5, 2015, 4:19 AM CST
- In force
- Issued by
- NWS Sioux Falls, SD
All 32 counties
Buena Vista County, IA, Cherokee County, IA, Clay County, IA, Dickinson County, IA, Ida County, IA, Lyon County, IA, O'Brien County, IA, Osceola County, IA, Plymouth County, IA, Sioux County, IA, Woodbury 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, Beadle County, SD, Brookings County, SD, Clay 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, Union County, SD
The radar
The Sioux Falls radar (KFSD), 32 km from the middle of the area, began a volume at 21:35 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Aberdeen, SD (KABR), launched 12:00Z, 9.6 hours before the alert went out and 224 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
- 797 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 41 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter storm watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Sioux Falls, SD wrote its last area forecast discussion before this winter storm watch went out at Jan 3, 3:08 PM CST, 28 minutes earlier.
Area forecast discussion, Jan 3, 3:08 PM CST, 28 minutes before
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</html>Hazardous weather outlook, Jan 3, 2:29 PM CST, 1 hour 7 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SIOUX FALLS SD 229 PM CST SAT JAN 3 2015 MNZ071-072-080-097-098-SDZ038>040-052>062-064>066-042030- LINCOLN MN-LYON MN-MURRAY-PIPESTONE-ROCK-BEADLE-KINGSBURY- BROOKINGS-JERAULD-SANBORN-MINER-LAKE-MOODY-BRULE-AURORA-DAVISON- HANSON-MCCOOK-MINNEHAHA-DOUGLAS-HUTCHINSON-TURNER- 229 PM CST SAT JAN 3 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST MINNESOTA...EAST CENTRAL SOUTH DAKOTA...SOUTH CENTRAL SOUTH DAKOTA AND SOUTHEAST SOUTH DAKOTA. .DAY ONE...REST OF THIS AFTERNOON AND TONIGHT LIGHT SNOW ACCUMULATING LESS THAN AN INCH WILL END FROM THE NORTHWEST THIS EVENING. NORTH TO NORTHWEST 25 TO 35 MPH WITH GUSTS TO 45 MPH WILL PRODUCE AREAS OF BLOWING SNOW LATE THIS AFTERNOON AND EVENING. IN ADDITION...WIND CHILLS OF 25 BELOW TO 35 BELOW ZERO ARE EXPECTED OVERNIGHT. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY COLD AIR IS EXPECTED OVER THE REGION THROUGH THURSDAY MORNING. THIS WILL PRODUCE WIND CHILLS FROM 15 BELOW TO 35 BELOW ZERO...WITH THE COLDEST WIND CHILLS SUNDAY MORNING AND ALSO TUESDAY MORNING THROUGH WEDNESDAY EVENING. SNOW IS EXPECTED MONDAY AFTERNOON AND EVENING...WITH THE HEAVIEST SNOWFALL EXPECTED TO BE NORTH OF A LINE FROM HURON TO SIOUX FALLS. WINDS OF 15 TO 30 MPH MAY ALSO PRODUCE AREAS OF BLOWING SNOW FROM MONDAY AFTERNOON THROUGH TUESDAY AFTERNOON. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. IAZ001>003-012>014-020>022-031-032-MNZ081-089-090-NEZ013-014- SDZ067-070-071-042030- LYON IA-OSCEOLA-DICKINSON-SIOUX-O'BRIEN-CLAY IA-PLYMOUTH-CHEROKEE- BUENA VISTA-WOODBURY-IDA-COTTONWOOD-NOBLES-JACKSON-DIXON-DAKOTA- LINCOLN SD-CLAY SD-UNION- 229 PM CST SAT JAN 3 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST IOWA...SOUTHWEST MINNESOTA...NORTHEAST NEBRASKA AND SOUTHEAST SOUTH DAKOTA. .DAY ONE...REST OF THIS AFTERNOON AND TONIGHT LIGHT SNOW WILL DEVELOP LATE THIS AFTERNOON AND EARLY TONIGHT WILL ACCUMULATE 1 TO 3 INCHES. NORTHWEST WINDS 25 TO 35 MPH WITH GUSTS TO 45 MPH ARE EXPECTED AND WILL PRODUCE AREAS OF BLOWING SNOW WITH VISIBILITIES LESS THAN ONE HALF MILE AT TIMES. IN ADDITION...WIND CHILLS OF 25 BELOW TO 35 BELOW ZERO ARE EXPECTED OVERNIGHT. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY COLD AIR IS EXPECTED TO BE OVER THE AREA THROUGH THURSDAY MORNING. THIS WILL PRODUCE WIND CHILLS FROM 15 BELOW TO 35 BELOW ZERO...WITH THE COLDEST WIND CHILLS SUNDAY MORNING AND ALSO TUESDAY MORNING THROUGH WEDNESDAY EVENING. SNOW IS EXPECTED MONDAY AFTERNOON AND EVENING...WITH THE HEAVIEST SNOWFALL EXPECTED TO BE NORTH OF A LINE FROM SIOUX FALLS TO STORM LAKE. WINDS OF 15 TO 30 MPH MAY ALSO PRODUCE AREAS OF BLOWING SNOW FROM LATE MONDAY AFTERNOON THROUGH TUESDAY AFTERNOON. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. SDZ050-063-068-069-042030- GREGORY-CHARLES MIX-BON HOMME-YANKTON- 229 PM CST SAT JAN 3 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL SOUTH DAKOTA AND SOUTHEAST SOUTH DAKOTA. .DAY ONE...REST OF THIS AFTERNOON AND TONIGHT LIGHT SNOW WILL ACCUMULATE 1 TO 2 INCHES BEFORE DECREASING AND ENDING THIS EVENING. NORTHWEST WINDS 25 TO 35 MPH WITH GUSTS TO 45 MPH ARE EXPECTED AND WILL PRODUCE BLOWING SNOW WITH VISIBILITIES LESS THAN ONE HALF MILE AT TIMES. IN ADDITION...WIND CHILLS OF 25 BELOW TO 35 BELOW ZERO ARE EXPECTED OVERNIGHT. LIGHT SNOW WILL DEVELOP THIS AFTERNOON WITH SNOWFALL OF LESS THAN AN INCH EXPECTED. NORTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS UP TO 45 MPH ARE EXPECTED LATE THIS AFTERNOON AND TONIGHT. THIS WILL PRODUCE PATCHY BLOWING SNOW LATER THIS AFTERNOON AND EVENING. IN ADDITION...WIND CHILLS OF 20 BELOW TO 30 BELOW ZERO ARE EXPECTED OVERNIGHT. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY COLD AIR IS EXPECTED TO BE OVER THE AREA THROUGH THURSDAY MORNING. THIS WILL PRODUCE WIND CHILLS FROM 10 BELOW TO 30 BELOW ZERO...WITH THE COLDEST WIND CHILLS SUNDAY MORNING AND ALSO TUESDAY MORNING THROUGH WEDNESDAY EVENING. THERE WILL BE A CHANCE OF LIGHT SNOW ON MONDAY AFTERNOON AND MONDAY EVENING. ANY SNOW THAT FALLS WILL BE ACCOMPANIED BY WINDS OF 15 TO 30 MPH WHICH COULD PRODUCE PATCHY BLOWING SNOW MONDAY AFTERNOON. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED.
In the hours before
Special weather statement, Jan 3, 2:45 PM CST, 51 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 245 PM CST SAT JAN 3 2015 SDZ038-039-052>054-057>060-064-065-040000- BEADLE-KINGSBURY-JERAULD-SANBORN-MINER-BRULE-AURORA-DAVISON- HANSON-DOUGLAS-HUTCHINSON- INCLUDING THE CITIES OF...HURON...DE SMET...ARLINGTON... LAKE PRESTON...WESSINGTON SPRINGS...ALPENA...WOONSOCKET... HOWARD...CHAMBERLAIN...KIMBALL...PLANKINTON...WHITE LAKE... STICKNEY...MITCHELL...ALEXANDRIA...EMERY...ARMOUR...CORSICA... DELMONT...PARKSTON...FREEMAN...MENNO...TRIPP 245 PM CST SAT JAN 3 2015 ...SPECIAL WEATHER STATEMENT... VERY WINDY CONDITIONS WILL COMBINE WITH AREAS OF SNOWFALL...AND COUPLED WITH EXISTING SNOW COVER...VISIBILITIES WILL BE REDUCED TO LESS THAN A HALF MILE AT TIMES THROUGH 6 PM. USE EXTREME CAUTION IF TRAVELING DUE TO THE INTERMITTENT VISIBILITY REDUCTIONS...AS WELL AS THE POTENTIAL FOR BLOWING SNOW TO CAUSE PATCHY ICY CONDITIONS ON ROAD SURFACES. CONDITIONS WILL IMPROVE LATE THIS AFTERNOON FROM NORTHWEST TO SOUTHEAST AS THE SNOWFALL MOVES FURTHER EAST. HOWEVER IT WILL REMAIN VERY WINDY THROUGH THE EVENING HOURS. MNZ071-072-080-097-098-SDZ040-055-056-061-062-066-067-040000- LINCOLN MN-LYON MN-MURRAY-PIPESTONE-ROCK-BROOKINGS-LAKE-MOODY- MCCOOK-MINNEHAHA-TURNER-LINCOLN SD- INCLUDING THE CITIES OF...TYLER...HENDRICKS...LAKE BENTON... IVANHOE...MARSHALL...SLAYTON...FULDA...PIPESTONE...LUVERNE... BROOKINGS...MADISON...FLANDREAU...SALEM...CANISTOTA... BRIDGEWATER...MONTROSE...SIOUX FALLS...PARKER...CENTERVILLE... MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...LENNOX...TEA... HARRISBURG 245 PM CST SAT JAN 3 2015 ...SPECIAL WEATHER STATEMENT... NORTH TO NORTHWEST WINDS WILL CONTINUE TO INCREASE LATE THIS AFTERNOON AND EARLY EVENING. THE WIND...COMBINED WITH EXISTING SNOW COVER AND A BAND OF LIGHT SNOWFALL MOVING THROUGH THE AREA... WILL PRODUCE INTERMITTENT VISIBILITIES LATE THIS AFTERNOON AND EARLY EVENING OF LESS THAN A HALF MILE IN OPEN AREAS. USE EXTREME CAUTION IF TRAVELING...ALSO BEING AWARE THAT BLOWING SNOW CAN CAUSE PATCHY ICY ROAD SURFACES. CONDITIONS SHOULD IMPROVE AFTER EARLY EVENING AS THE SNOWFALL EXITS THIS AREA...BUT IT WILL REMAIN WINDY THROUGH THE REST OF THE NIGHT.
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 3, 4:19 AM CST | Winter Weather Advisory | FSD | Bon Homme, Charles Mix, Clay, Gregory, Lincoln, Union and 1 more | 23 hr |
| Jan 3, 9:34 AM CST | Wind Advisory | FSD | Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 15 more | 11 hr |
Nearby
Winter Storm Watches in South Dakota, 2015Winter Storm Watches in Iowa, 2015Winter Storm Watches in Minnesota, 2015Every winter storm watch in 2015
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.