Alert archive / South Dakota / Wind Advisories in 2021
Wind Advisory 1, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this wind advisory at Feb 22, 2021, 3:18 AM CST for 9 counties in South Dakota. It took effect at Feb 22, 2021, 12:00 PM CST. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Feb 22, 2021, 3:18 AM CST (09:18 UTC)
- In effect from
- Feb 22, 2021, 12:00 PM CST
- Expired
- Feb 22, 2021, 6:00 PM CST
- In force
- 6 hr
- Issued by
- NWS Sioux Falls, SD
Counties Aurora County, SD, Beadle County, SD, Brule County, SD, Charles Mix County, SD, Davison County, SD, Douglas County, SD, Gregory County, SD, Jerauld County, SD, Sanborn County, SD
The radar
The Sioux Falls radar (KFSD), 147 km from the middle of the area, began a volume at 09:17 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
Aberdeen, SD (KABR), launched 00:00Z, 9.3 hours before the alert went out and 133 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
- 2076 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 190 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
951 WWUS73 KFSD 220918 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 318 AM CST Mon Feb 22 2021 IAZ001>003-012>014-020>022-032-MNZ071-072-080-081-089-090-097-098- SDZ039-040-054>056-061-062-066-067-070-071-221030- /O.CAN.KFSD.FG.Y.0008.000000T0000Z-210222T1200Z/ Lyon-Osceola-Dickinson-Sioux-O'Brien-Clay-Plymouth-Cherokee- Buena Vista-Ida-Lincoln-Murray-Cottonwood-Nobles-Jackson- Pipestone-Rock-Kingsbury-Brookings-Miner-Lake-Moody-McCook- Minnehaha-Turner-Union- 318 AM CST Mon Feb 22 2021 ...DENSE FOG ADVISORY IS CANCELLED... Increasing winds above the boundary layer combined with high clouds have decreased fog density and coverage across the region. Patchy fog is still possible through sunrise. $$ SDZ038-050-052-053-057>059-063-064-230000- /O.NEW.KFSD.WI.Y.0001.210222T1800Z-210223T0000Z/ Beadle-Gregory-Jerauld-Sanborn-Brule-Aurora-Davison-Charles Mix- Douglas- 318 AM CST Mon Feb 22 2021 ...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 6 PM CST THIS EVENING... * WHAT...West winds 25 to 30 mph with gusts up to 50 mph expected. * WHERE...Beadle, Gregory, Jerauld, Sanborn, Brule, Aurora, Davison, Charles Mix and Douglas Counties. This includes the Tribal Lands of the Yankton Sioux Tribal Nation. * WHEN...From noon today to 6 PM CST this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit https://weather.gov/siouxfalls
2 follow-up statements
282 WWUS73 KFSD 221738 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 1138 AM CST Mon Feb 22 2021 SDZ038-050-052-053-057>059-063-064-230000- /O.CON.KFSD.WI.Y.0001.210222T1800Z-210223T0000Z/ Beadle-Gregory-Jerauld-Sanborn-Brule-Aurora-Davison-Charles Mix- Douglas- 1138 AM CST Mon Feb 22 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Brule, Jerauld, Sanborn, Gregory, Douglas, Charles Mix, Aurora, Davison and Beadle Counties. This includes the Tribal Lands of the Yankton Sioux Tribal Nation. * WHEN...Until 6 PM CST this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit https://weather.gov/siouxfalls
421 WWUS73 KFSD 222352 AAA NPWFSD URGENT - WEATHER MESSAGE...UPDATED National Weather Service Sioux Falls SD 552 PM CST Mon Feb 22 2021 SDZ038-050-052-053-057>059-063-064-230100- /O.EXP.KFSD.WI.Y.0001.000000T0000Z-210223T0000Z/ Beadle-Gregory-Jerauld-Sanborn-Brule-Aurora-Davison-Charles Mix- Douglas- 552 PM CST Mon Feb 22 2021 ...WIND ADVISORY WILL EXPIRE AT 6 PM CST THIS EVENING... Winds are expected to weaken after sunset. $$ For more information from the National Weather Service visit https://weather.gov/siouxfalls
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 21, 8:24 PM CST | Dense Fog Advisory | FSD | Brookings, Clay, Kingsbury, Lake, Lincoln, McCook and 5 more | 7 hr |
Nearby
Wind Advisories in South Dakota, 2021Every wind advisory 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.