Alert archive / South Dakota / Red Flag Warnings in 2026
Red Flag Warning 3, NWS Aberdeen, SD
NWS Aberdeen, SD issued this red flag warning at Mar 11, 2026, 8:48 PM CDT for 16 counties in South Dakota. It took effect at Mar 12, 2026, 12:00 PM CDT. It was in force for 9 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Mar 11, 2026, 8:48 PM CDT (01:48 UTC)
- In effect from
- Mar 12, 2026, 12:00 PM CDT
- Expired
- Mar 12, 2026, 9:00 PM CDT
- In force
- 9 hr
- Issued by
- NWS Aberdeen, SD
Counties Buffalo County, SD, Campbell County, SD, Corson County, SD, Dewey County, SD, Edmunds County, SD, Faulk County, SD, Hand County, SD, Hughes County, SD, Hyde County, SD, Jones County, SD, Lyman County, SD, McPherson County, SD, Potter County, SD, Stanley County, SD, Sully County, SD, Walworth County, SD
The radar
The Aberdeen radar (KABR), 135 km from the middle of the area, began a volume at 01:47 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, 1.8 hours before the alert went out and 120 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
- 1587 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 82 m²/s²
- 0-3 km storm-relative helicity
- 144 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this red flag warning 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 red flag warning went out at Mar 11, 6:12 PM CDT, 2 hours 36 minutes earlier.
Area forecast discussion, Mar 11, 6:12 PM CDT, 2 hours 36 minutes before
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</html>Hazardous weather outlook, Mar 11, 3:13 AM CDT, 17 hours 35 minutes before
Hazardous Weather Outlook National Weather Service Aberdeen SD 313 AM CDT Wed Mar 11 2026 SDZ003>005-009-010-015>017-033>037-045-048-051-120815- Corson-Campbell-McPherson-Walworth-Edmunds-Dewey-Potter-Faulk- Stanley-Sully-Hughes-Hyde-Hand-Jones-Lyman-Buffalo- 313 AM CDT Wed Mar 11 2026 /213 AM MDT Wed Mar 11 2026/ This Hazardous Weather Outlook is for central South Dakota and north central South Dakota. .DAY ONE...Today and tonight. Hazardous weather is not expected at this time. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. A clipper system will bring strong winds to the region Thursday afternoon and evening, with gusts potentially in excess of 60 mph. A high wind watch is in effect for the afternoon and through the evening. With milder temperatures and dry conditions ahead of the system, and winds shifting to the northwest behind the front, the fire danger has increased into the Very High to Extreme category, and a fire weather watch has been issued. We continue to track a system for Saturday/Saturday night which looks to potently bring a few inches of snow along with a strong northeast breeze. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. MNZ039-046-SDZ006>008-011-018>023-120815- Traverse-Big Stone-Brown-Marshall-Roberts-Day-Spink-Clark-Codington- Grant-Hamlin-Deuel- 313 AM CDT Wed Mar 11 2026 This Hazardous Weather Outlook is for west central Minnesota and northeast South Dakota. .DAY ONE...Today and tonight. Hazardous weather is not expected at this time. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. A clipper system will bring strong winds to the region Thursday evening into the overnight hours, with gusts potentially in excess of 50 mph. We continue to track a system for Saturday/Saturday night which looks to potently bring a few inches of snow along with a strong northeast breeze. .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 |
|---|---|---|---|---|
| Mar 12, 2:31 PM CDT | Winter Storm Watch | ABR | Brown, Buffalo, Campbell, Clark, Codington, Corson and 20 more | 24 hr |
| Mar 12, 2:31 PM CDT | Winter Weather Advisory | ABR | Big Stone, Traverse | 12 hr |
Nearby
Red Flag Warnings in South Dakota, 2026Every red flag warning 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.