Alert archive / South Dakota / High Wind Watches in 2021
High Wind Watch 1, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this high wind watch at Jan 12, 2021, 2:37 PM CST for 24 counties in South Dakota; Dixon County, Nebraska. It took effect at Jan 14, 2021, 12:00 AM CST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Jan 12, 2021, 2:37 PM CST (20:37 UTC)
- In effect from
- Jan 14, 2021, 12:00 AM CST
- Expired
- Jan 13, 2021, 3:32 PM CST
- In force
- Issued by
- NWS Sioux Falls, SD
All 25 counties
Dixon County, NE, Aurora County, SD, Beadle County, SD, Bon Homme County, SD, Brookings County, SD, Brule County, SD, Charles Mix County, SD, Clay County, SD, Davison County, SD, Douglas County, SD, Gregory 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, Union County, SD, Yankton County, SD
The radar
The Sioux Falls radar (KFSD), 77 km from the middle of the area, began a volume at 20:39 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, 8.6 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
- 1774 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 159 m²/s²
- 0-3 km storm-relative helicity
- 223 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
504 WWUS73 KFSD 122037 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 237 PM CST Tue Jan 12 2021 SDZ050-057-063-131200- /O.NEW.KFSD.HW.A.0001.210114T0600Z-210115T2100Z/ Gregory-Brule-Charles Mix- 237 PM CST Tue Jan 12 2021 ...HIGH WIND WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH FRIDAY AFTERNOON... * WHAT...Northwest winds 30 to 45 mph with gusts up to 60 mph possible. * WHERE...Gregory, Brule and Charles Mix Counties. * WHEN...From late Wednesday night through Friday afternoon. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ For more information from the National Weather Service visit https://weather.gov/siouxfalls
4 follow-up statements
566 WWUS73 KFSD 130206 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 806 PM CST Tue Jan 12 2021 SDZ050-057-063-131015- /O.CON.KFSD.HW.A.0001.210114T0600Z-210115T2100Z/ Gregory-Brule-Charles Mix- 806 PM CST Tue Jan 12 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH FRIDAY AFTERNOON... * WHAT...Northwest winds 30 to 45 mph with gusts up to 60 mph possible. * WHERE...Brule, Charles Mix and Gregory Counties. * WHEN...From late Wednesday night through Friday afternoon. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ For more information from the National Weather Service visit https://weather.gov/siouxfalls
622 WWUS73 KFSD 130930 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 330 AM CST Wed Jan 13 2021 NEZ013-SDZ038>040-052>056-058>062-064>071-131730- /O.EXA.KFSD.HW.A.0001.210114T0600Z-210115T2100Z/ Dixon-Beadle-Kingsbury-Brookings-Jerauld-Sanborn-Miner-Lake-Moody- Aurora-Davison-Hanson-McCook-Minnehaha-Douglas-Hutchinson-Turner- Lincoln-Bon Homme-Yankton-Clay-Union- 330 AM CST Wed Jan 13 2021 ...HIGH WIND WATCH IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... * WHAT...Northwest winds 25 to 35 mph with gusts up to 60 mph possible. * WHERE...Portions of central, east central, south central and southeast South Dakota and northeast Nebraska. * WHEN...From late tonight through Friday afternoon. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...If snow occurs with these strong winds visibility reductions will become likely. Stay tuned for updates on this potential. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ SDZ050-057-063-131730- /O.CON.KFSD.HW.A.0001.210114T0600Z-210115T2100Z/ Gregory-Brule-Charles Mix- 330 AM CST Wed Jan 13 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... * WHAT...Northwest winds 30 to 40 mph with gusts up to 60 mph possible. * WHERE...Charles Mix, Brule and Gregory Counties. * WHEN...From late tonight through Friday afternoon. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ For more information from the National Weather Service visit https://weather.gov/siouxfalls
242 WWUS73 KFSD 131730 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 1130 AM CST Wed Jan 13 2021 NEZ013-SDZ038>040-050-052>071-141200- /O.EXT.KFSD.HW.A.0001.210114T0600Z-210115T1800Z/ Dixon-Beadle-Kingsbury-Brookings-Gregory-Jerauld-Sanborn-Miner- Lake-Moody-Brule-Aurora-Davison-Hanson-McCook-Minnehaha- Charles Mix-Douglas-Hutchinson-Turner-Lincoln-Bon Homme-Yankton- Clay-Union- 1130 AM CST Wed Jan 13 2021 ...HIGH WIND WATCH NOW IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY MORNING... * WHAT...Northwest winds 30 to 40 mph with gusts up to 60 mph possible. * WHERE...Portions of central, east central, south central and southeast South Dakota and northeast Nebraska. * WHEN...From late tonight through Friday morning. * IMPACTS...Damaging winds could blow down tree limbs and cause isolated power outages. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ For more information from the National Weather Service visit https://weather.gov/siouxfalls
907 WWUS73 KFSD 132132 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 332 PM CST Wed Jan 13 2021 SDZ040-132245- /O.CAN.KFSD.HW.A.0001.210114T0600Z-210115T1800Z/ Brookings- 332 PM CST Wed Jan 13 2021 ...HIGH WIND WATCH IS CANCELLED... High winds are still expected, but a Winter Storm Watch is replacing this High Wind Watch due to increased chances for impactful snow and low visibility. $$ SDZ038-050-052-053-057>060-063>065-068-141200- /O.UPG.KFSD.HW.A.0001.210114T0600Z-210115T1800Z/ /O.NEW.KFSD.HW.W.0001.210114T0600Z-210115T1800Z/ Beadle-Gregory-Jerauld-Sanborn-Brule-Aurora-Davison-Hanson- Charles Mix-Douglas-Hutchinson-Bon Homme- 332 PM CST Wed Jan 13 2021 ...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO NOON CST FRIDAY... * WHAT...Northwest winds 30 to 40 mph with gusts up to 60 mph expected. * WHERE...Portions of central, east central, south central and southeast South Dakota. * WHEN...From midnight tonight to noon CST Friday. * IMPACTS...Damaging winds could blow down trees limbs and power outages are possible. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Intermittent snow showers combined with wind could reduce visibility and cause hazardous travel at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ NEZ013-SDZ039-054>056-061-062-066-067-069>071-141200- /O.UPG.KFSD.HW.A.0001.210114T0600Z-210115T1800Z/ /O.NEW.KFSD.HW.W.0001.210114T1800Z-210115T0600Z/ Dixon-Kingsbury-Miner-Lake-Moody-McCook-Minnehaha-Turner-Lincoln- Yankton-Clay-Union- 332 PM CST Wed Jan 13 2021 ...HIGH WIND WARNING IN EFFECT FROM NOON THURSDAY TO MIDNIGHT CST THURSDAY NIGHT... * WHAT...Northwest winds 30 to 35 mph with gusts up to 55 mph expected. * WHERE...Portions of east central and southeast South Dakota and northeast Nebraska. * WHEN...From noon Thursday to midnight CST Thursday night. * IMPACTS...Damaging winds could blow down trees limbs and power outages are possible. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Intermittent snow showers combined with wind could reduce visibility and cause hazardous travel at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ IAZ001-002-012>014-020>022-031-032-MNZ098-NEZ014-141200- /O.NEW.KFSD.HW.W.0001.210114T1800Z-210115T0600Z/ Lyon-Osceola-Sioux-O'Brien-Clay-Plymouth-Cherokee-Buena Vista- Woodbury-Ida-Rock-Dakota- 332 PM CST Wed Jan 13 2021 ...HIGH WIND WARNING IN EFFECT FROM NOON THURSDAY TO MIDNIGHT CST THURSDAY NIGHT... * WHAT...Northwest winds 30 to 35 mph with gusts up to 55 mph expected. * WHERE...Portions of northeast Nebraska, northwest and west central Iowa and southwest Minnesota. * WHEN...From noon Thursday to midnight CST Thursday night. * IMPACTS...Damaging winds could blow down trees limbs and power outages are possible. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Intermittent snow showers combined with wind could reduce visibility and cause hazardous travel at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ For more information from the National Weather Service visit https://weather.gov/siouxfalls
Nearby
High Wind Watches in South Dakota, 2021High Wind Watches in Nebraska, 2021Every high wind watch in 2021
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.