Alert archive / South Dakota / Wind Advisories in 2021
Wind Advisory 16, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this wind advisory at Nov 17, 2021, 3:00 AM CST for 7 counties in South Dakota. It took effect at Nov 17, 2021, 6:00 AM CST. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Nov 17, 2021, 3:00 AM CST (09:00 UTC)
- In effect from
- Nov 17, 2021, 6:00 AM CST
- Expired
- Nov 17, 2021, 6:00 PM CST
- In force
- 12 hr
- Issued by
- NWS Sioux Falls, SD
Counties Aurora County, SD, Beadle County, SD, Brule County, SD, Charles Mix County, SD, Douglas County, SD, Gregory County, SD, Jerauld County, SD
The radar
The Sioux Falls radar (KFSD), 157 km from the middle of the area, began a volume at 08:59 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, 9.0 hours before the alert went out and 138 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
- 2590 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- -199 m²/s²
- 0-3 km storm-relative helicity
- -219 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
331 WWUS73 KFSD 170900 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 300 AM CST Wed Nov 17 2021 SDZ038-050-052-057-058-063-064-171800- /O.NEW.KFSD.WI.Y.0016.211117T1200Z-211118T0000Z/ Beadle-Gregory-Jerauld-Brule-Aurora-Charles Mix-Douglas- 300 AM CST Wed Nov 17 2021 ...WIND ADVISORY IN EFFECT FROM 6 AM THIS MORNING TO 6 PM CST THIS EVENING... * WHAT...Northwest winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Beadle, Gregory, Jerauld, Brule, Aurora, Charles Mix and Douglas Counties. This includes the Tribal Lands of the Yankton Sioux Tribal Nation. * WHEN...From 6 AM this morning 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. * ADDITIONAL DETAILS...The combination of gusty winds and dry conditions will also result in enhanced fire danger. Extreme caution is advised with any activity that may spark an uncontrolled fire. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit https://weather.gov/siouxfalls
2 follow-up statements
297 WWUS73 KFSD 171913 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 113 PM CST Wed Nov 17 2021 SDZ038-050-052-057-058-063-064-180000- /O.CON.KFSD.WI.Y.0016.000000T0000Z-211118T0000Z/ Beadle-Gregory-Jerauld-Brule-Aurora-Charles Mix-Douglas- 113 PM CST Wed Nov 17 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * WHAT...Northwest winds 20 to 30 mph with gusts up to 45 mph. * WHERE...Brule, Jerauld, Gregory, Douglas, Charles Mix, Aurora and Beadle Counties. This includes the Tribal Lands of the Yankton Sioux Tribal Nation. * WHEN...Until 6 PM CST this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit https://weather.gov/siouxfalls
127 WWUS73 KFSD 172349 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 549 PM CST Wed Nov 17 2021 SDZ038-050-052-057-058-063-064-180100- /O.EXP.KFSD.WI.Y.0016.000000T0000Z-211118T0000Z/ Beadle-Gregory-Jerauld-Brule-Aurora-Charles Mix-Douglas- 549 PM CST Wed Nov 17 2021 ...WIND ADVISORY WILL EXPIRE AT 6 PM CST THIS EVENING... Winds are diminishing across the area. $$ For more information from the National Weather Service visit https://weather.gov/siouxfalls
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.