Alert archive / Minnesota / Tornado Warnings in 2021
Tornado Warning 22, NWS Aberdeen, SD
NWS Aberdeen, SD issued this tornado warning at Oct 13, 2021, 3:50 PM CDT for Big Stone County, Traverse County, Minnesota; Marshall County, Roberts County, South Dakota. It was in force for 40 min. 3 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Oct 13, 2021, 3:50 PM CDT (20:50 UTC)
- Expired
- Oct 13, 2021, 4:30 PM CDT
- In force
- 40 min
- Issued by
- NWS Aberdeen, SD
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Big Stone County, MN, Traverse County, MN, Marshall County, SD, Roberts County, SD
The radar
The Aberdeen radar (KABR), 154 km from the middle of the area, began a volume at 20:50 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 13, 4:18 PM CDT | TORNADO | 9 Nnw Wheaton, MN | DAMAGE TO TREES, A POLE BARN, AND FARM EQUIPMENT. SEE OFFICIAL NWS DAMAGE SURVEY FOR MORE INFORMATION. |
| Oct 13, 4:22 PM CDT | TORNADO | 9 Ne Dumont, MN | CORRECTS PREVIOUS TSTM WND DMG REPORT FROM 9 NE DUMONT. UPROOTED TREE AND ROOF OFF AN OUTBUILDING, REPORTED BY TRAVERSE COUNTY SHERIFF. SEE PNS FOR NWS SURVEY INFORMATION. |
| Oct 13, 4:23 PM CDT | TSTM WND DMG | 9 Ne Dumont, MN | UPROOTED TREE AND ROOF OFF AN OUTBUILDING, REPORTED BY TRAVERSE COUNTY SHERIFF. POTENTIAL TORNADO. RADAR APPROXIMATED TIME. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Aberdeen, SD (KABR), launched 12:00Z, 8.8 hours before the alert went out and 175 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
- 913 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 252 m²/s²
- 0-3 km storm-relative helicity
- 334 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
483
WFUS53 KABR 132050
TORABR
MNC011-155-SDC091-109-132130-
/O.NEW.KABR.TO.W.0022.211013T2050Z-211013T2130Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Aberdeen SD
350 PM CDT Wed Oct 13 2021
The National Weather Service in Aberdeen has issued a
* Tornado Warning for...
Traverse County in west central Minnesota...
Northeastern Big Stone County in west central Minnesota...
Northern Roberts County in northeastern South Dakota...
Northeastern Marshall County in northeastern South Dakota...
* Until 430 PM CDT.
* At 349 PM CDT, severe thunderstorms capable of producing tornadoes
were located along a line extending from 7 miles northwest of
Claire City to near Victor to near Siloah Country Church to 7
miles east of Clinton, moving north at 45 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* These dangerous storms will be near...
Rosholt, New Effington and Victor around 355 PM CDT.
Whiterock Colony around 400 PM CDT.
Wheaton and Mud Lake Landing around 405 PM CDT.
Other locations in the path of these tornadic storms include Immanuel
Church, Tintah and Charlesville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Motorists should not take shelter under highway overpasses. If you
cannot safely drive away from the tornado, as a last resort, either
park your vehicle and stay put, or abandon your vehicle and lie down
in a low lying area and protect yourself from flying debris.
This line of thunderstorms is capable of producing tornadoes. Do not
wait to see or hear the tornado. For your protection move to an
interior room on the lowest floor of a building.
&&
LAT...LON 4542 9624 4541 9620 4534 9623 4555 9654
4593 9726 4594 9656 4602 9657 4602 9627
TIME...MOT...LOC 2049Z 189DEG 39KT 4596 9717 4579 9682 4563 9653 4547
9629
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
Dorn2 follow-up statements
987
WWUS53 KABR 132109
SVSABR
Severe Weather Statement
National Weather Service Aberdeen SD
409 PM CDT Wed Oct 13 2021
SDC091-132117-
/O.CAN.KABR.TO.W.0022.000000T0000Z-211013T2130Z/
Marshall SD-
409 PM CDT Wed Oct 13 2021
...THE TORNADO WARNING FOR NORTHEASTERN MARSHALL COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
LAT...LON 4557 9625 4562 9633 4570 9647 4576 9660
4593 9699 4594 9656 4602 9657 4602 9627
TIME...MOT...LOC 2107Z 194DEG 31KT 4595 9690 4587 9673 4578 9653 4568
9629
$$
MNC011-155-SDC109-132130-
/O.CON.KABR.TO.W.0022.000000T0000Z-211013T2130Z/
Traverse MN-Big Stone MN-Roberts SD-
409 PM CDT Wed Oct 13 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM CDT FOR
TRAVERSE...NORTHERN BIG STONE AND NORTHEASTERN ROBERTS COUNTIES...
At 407 PM CDT, a severe squall line capable of producing tornadoes
was located along a line extending from 6 miles northwest of Victor
to Rosholt to near Wheaton to near Trinity Lutheran Country Church,
moving north at 35 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Whiterock Colony, Immanuel Church, Tintah and Charlesville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Motorists should not take shelter under highway overpasses. If you
cannot safely drive away from the tornado, as a last resort, either
park your vehicle and stay put, or abandon your vehicle and lie down
in a low lying area and protect yourself from flying debris.
This line of thunderstorms is capable of producing tornadoes. Do not
wait to see or hear the tornado. For your protection move to an
interior room on the lowest floor of a building.
&&
LAT...LON 4557 9625 4562 9633 4570 9647 4576 9660
4593 9699 4594 9656 4602 9657 4602 9627
TIME...MOT...LOC 2107Z 194DEG 31KT 4595 9690 4587 9673 4578 9653 4568
9629
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
Dorn134
WWUS53 KABR 132129
SVSABR
Severe Weather Statement
National Weather Service Aberdeen SD
429 PM CDT Wed Oct 13 2021
MNC011-155-SDC109-132139-
/O.EXP.KABR.TO.W.0022.000000T0000Z-211013T2130Z/
Traverse MN-Big Stone MN-Roberts SD-
429 PM CDT Wed Oct 13 2021
...THE TORNADO WARNING FOR TRAVERSE...NORTHERN BIG STONE AND
NORTHEASTERN ROBERTS COUNTIES WILL EXPIRE AT 430 PM CDT...
The storms which prompted the warning have weakened below severe
limits, and no longer appear capable of producing a tornado.
Therefore, the warning will be allowed to expire.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Aberdeen.
LAT...LON 4557 9625 4562 9633 4570 9647 4576 9660
4593 9699 4594 9656 4602 9657 4602 9627
TIME...MOT...LOC 2129Z 189DEG 39KT 4616 9685 4608 9668 4599 9648 4589
9624
$$
DornThe office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 13, 2:03 PM CDT | Special Weather Statement | ABR | Potter | 27 min |
| Oct 13, 2:05 PM CDT | High Wind Warning | ABR | Hughes, Jones, Lyman, Stanley | 8 hr |
| Oct 13, 2:10 PM CDT | Special Weather Statement | ABR | Sully | 20 min |
| Oct 13, 3:10 PM CDT | Tornado Warning | ABR | Roberts | 20 min |
| Oct 13, 3:27 PM CDT | Tornado Warning | ABR | Marshall, Roberts | 33 min |
Nearby
Tornado Warnings in Minnesota, 2021Tornado Warnings in South Dakota, 2021Every tornado warning in 2021Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.