Alert archive / South Dakota / Wind Advisories in 2026
Wind Advisory 11, NWS Aberdeen, SD
NWS Aberdeen, SD issued this wind advisory at May 11, 2026, 11:29 AM CDT for 4 counties in South Dakota; Big Stone County, Traverse County, Minnesota. It took effect at May 12, 2026, 9:00 AM CDT. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- May 11, 2026, 11:29 AM CDT (16:29 UTC)
- In effect from
- May 12, 2026, 9:00 AM CDT
- Expired
- May 12, 2026, 7:00 PM CDT
- In force
- 10 hr
- Issued by
- NWS Aberdeen, SD
Counties Big Stone County, MN, Traverse County, MN, Brown County, SD, Marshall County, SD, McPherson County, SD, Roberts County, SD
The radar
The Aberdeen radar (KABR), 75 km from the middle of the area, began a volume at 16:31 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
Bismarck Municip, ND (KBIS), launched 12:00Z, 4.5 hours before the alert went out and 276 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
- 2054 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 243 m²/s²
- 0-3 km storm-relative helicity
- 308 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this wind advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Aberdeen, SD wrote its last area forecast discussion before this wind advisory went out at May 11, 10:24 AM CDT, 1 hour 5 minutes earlier.
Area forecast discussion, May 11, 10:24 AM CDT, 1 hour 5 minutes before
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</html>Hazardous weather outlook, May 11, 3:11 AM CDT, 8 hours 18 minutes before
Hazardous Weather Outlook National Weather Service Aberdeen SD 311 AM CDT Mon May 11 2026 SDZ033-035-045-048-120815- Stanley-Hughes-Jones-Lyman- 311 AM CDT Mon May 11 2026 /211 AM MDT Mon May 11 2026/ This Hazardous Weather Outlook is for central South Dakota. .DAY ONE...Today and tonight. This afternoon, hot and dry conditons will combine with winds gusting up to around 30 mph to create Red Flag Warning conditions. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Grassland Fire Danger Index values will be in the high to very high category through the rest of the work week, with mainly dry weather continuing. The strongest winds are expected Tuesday and Thursday, with gusts of 35 to 45 mph, and a few locations gusting to around 50 mph. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. SDZ003>007-009>011-015>018-034-036-037-051-120815- Corson-Campbell-McPherson-Brown-Marshall-Walworth-Edmunds-Day-Dewey- Potter-Faulk-Spink-Sully-Hyde-Hand-Buffalo- 311 AM CDT Mon May 11 2026 /211 AM MDT Mon May 11 2026/ This Hazardous Weather Outlook is for central South Dakota, north central South Dakota and northeast South Dakota. .DAY ONE...Today and tonight. This afternoon, hot and dry conditons will combine with winds gusting up to around 30 to near 40 mph to create elevated fire weather conditons. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Grassland Fire Danger Index values will be in the high to very high category through the rest of the work week, with mainly dry weather continuing. The strongest winds are expected Tuesday and Thursday, with gusts of 35 to 45 mph, and a few locations gusting to around 50 mph. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. MNZ039-046-SDZ008-019>023-120815- Traverse-Big Stone-Roberts-Clark-Codington-Grant-Hamlin-Deuel- 311 AM CDT Mon May 11 2026 This Hazardous Weather Outlook is for west central Minnesota and northeast South Dakota. .DAY ONE...Today and tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Grassland Fire Danger Index values will be in the high to very high category through the rest of the work week, with mainly dry weather continuing. The strongest winds are expected Tuesday and Thursday, with gusts of 35 to 45 mph, and a few locations gusting to around 50 mph. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 2:37 PM CDT | Red Flag Warning | ABR | Brown, Buffalo, Campbell, Clark, Codington, Day and 16 more | 30 hr |
Nearby
Wind Advisories in South Dakota, 2026Wind Advisories in Minnesota, 2026Every wind advisory in 2026
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.