Alert archive / South Dakota / Wind Advisories in 2021
Wind Advisory 8, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this wind advisory at Apr 12, 2021, 9:37 AM CDT for 13 counties in South Dakota. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Apr 12, 2021, 9:37 AM CDT (14:37 UTC)
- Expired
- Apr 12, 2021, 7:00 PM CDT
- In force
- 9 hr
- Issued by
- NWS Sioux Falls, SD
Counties Aurora County, SD, Beadle County, SD, Bon Homme County, SD, Brule County, SD, Charles Mix County, SD, Davison County, SD, Douglas County, SD, Gregory County, SD, Hanson County, SD, Hutchinson County, SD, Jerauld County, SD, Sanborn County, SD, Yankton County, SD
The radar
The Sioux Falls radar (KFSD), 126 km from the middle of the area, began a volume at 14:40 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, 2.6 hours before the alert went out and 148 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
- 885 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -27 m²/s²
- 0-3 km storm-relative helicity
- 9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
299 WWUS73 KFSD 121437 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 937 AM CDT Mon Apr 12 2021 SDZ038-050-052-053-057>060-063>065-068-069-130000- /O.NEW.KFSD.WI.Y.0008.210412T1437Z-210413T0000Z/ Beadle-Gregory-Jerauld-Sanborn-Brule-Aurora-Davison-Hanson- Charles Mix-Douglas-Hutchinson-Bon Homme-Yankton- 937 AM CDT Mon Apr 12 2021 ...WIND ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Northwest winds 25 to 35 mph with gusts up to 45 mph. * WHERE...Portions of central, east central, south central and southeast South Dakota. This includes the Tribal Lands of the Yankton Sioux Tribal Nation. * WHEN...Until 7 PM CDT 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...Increased fire weather concerns are possible in locations with dry vegetation and void of recent higher rainfall totals. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit https://weather.gov/siouxfalls
1 follow-up statement
093 WWUS73 KFSD 130012 NPWFSD URGENT - WEATHER MESSAGE National Weather Service Sioux Falls SD 712 PM CDT Mon Apr 12 2021 SDZ038-050-052-053-057>060-063>065-068-069-130115- /O.EXP.KFSD.WI.Y.0008.000000T0000Z-210413T0000Z/ Beadle-Gregory-Jerauld-Sanborn-Brule-Aurora-Davison-Hanson- Charles Mix-Douglas-Hutchinson-Bon Homme-Yankton- 712 PM CDT Mon Apr 12 2021 ...WIND ADVISORY HAS EXPIRED... Winds have begun to decrease and are expected to continue to do so over the next few hours. $$ 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.