Alert archive / South Dakota / Tornado Warnings in 2022
Tornado Warning 8, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this tornado warning at May 12, 2022, 4:49 PM CDT for 4 counties in South Dakota. It was in force for 28 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
- May 12, 2022, 4:49 PM CDT (21:49 UTC)
- Expired
- May 12, 2022, 5:17 PM CDT
- In force
- 28 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Hanson County, SD, Lake County, SD, McCook County, SD, Miner County, SD
The radar
The Sioux Falls radar (KFSD), 65 km from the middle of the area, began a volume at 21:52 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 |
|---|---|---|---|
| May 12, 4:49 PM CDT | TSTM WND GST 81 | 4 Ene Alexandria, SD | MESONET STATION 213 SD RWIS ALEXANDRIA. |
| May 12, 4:55 PM CDT | TSTM WND GST 88 | 4 S Salem, SD | |
| May 12, 5:16 PM CDT | TSTM WND GST 90 | 5 Wnw Madison, SD |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 12, 3:27 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 9.8 hours before the alert went out and 288 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
- 1555 J/kg
- Mixed-layer CIN
- -323 J/kg
- Mixed-layer LCL
- 1486 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -31 m²/s²
- 0-3 km storm-relative helicity
- -52 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
195
WFUS53 KFSD 122149
TORFSD
SDC061-079-087-097-122230-
/O.NEW.KFSD.TO.W.0008.220512T2149Z-220512T2230Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Sioux Falls SD
449 PM CDT Thu May 12 2022
The National Weather Service in Sioux Falls has issued a
* Tornado Warning for...
Southwestern Lake County in east central South Dakota...
Eastern Miner County in east central South Dakota...
Western McCook County in southeastern South Dakota...
Northeastern Hanson County in southeastern South Dakota...
* Until 530 PM CDT.
* At 449 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Emery, or 21 miles east of Mitchell, moving north
at 70 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.
* This dangerous storm will be near...
Salem around 455 PM CDT.
Canova around 505 PM CDT.
Other locations in the path of this tornadic thunderstorm include
Howard, Winfred, Vilas and Lake Herman State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4353 9751 4361 9778 4418 9758 4405 9706
TIME...MOT...LOC 2149Z 201DEG 61KT 4366 9762
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
JM2 follow-up statements
612
WWUS53 KFSD 122200
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
500 PM CDT Thu May 12 2022
SDC061-122210-
/O.CAN.KFSD.TO.W.0008.000000T0000Z-220512T2230Z/
Hanson SD-
500 PM CDT Thu May 12 2022
...THE TORNADO WARNING FOR NORTHEASTERN HANSON COUNTY IS CANCELLED...
The tornadic thunderstorm which prompted the warning moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
southeastern and east central South Dakota.
LAT...LON 4405 9706 4381 9727 4370 9737 4381 9761
4383 9761 4415 9746
TIME...MOT...LOC 2200Z 208DEG 67KT 4383 9747
$$
SDC079-087-097-122230-
/O.CON.KFSD.TO.W.0008.000000T0000Z-220512T2230Z/
Lake SD-Miner SD-McCook SD-
500 PM CDT Thu May 12 2022
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CDT FOR
SOUTHWESTERN LAKE...EASTERN MINER AND NORTHWESTERN MCCOOK COUNTIES...
At 500 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Canova, or 18 miles southwest of Lake Herman State
Park, moving northeast at 80 mph.
HAZARD...Tornado and quarter size hail.
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...
Howard, Winfred, Madison and Lake Herman State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4405 9706 4381 9727 4370 9737 4381 9761
4383 9761 4415 9746
TIME...MOT...LOC 2200Z 208DEG 67KT 4383 9747
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
JM374
WWUS53 KFSD 122217
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
517 PM CDT Thu May 12 2022
SDC079-087-097-122226-
/O.CAN.KFSD.TO.W.0008.000000T0000Z-220512T2230Z/
Lake SD-Miner SD-McCook SD-
517 PM CDT Thu May 12 2022
...THE TORNADO WARNING FOR SOUTHWESTERN LAKE...EASTERN MINER AND
NORTHWESTERN MCCOOK COUNTIES IS CANCELLED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled. However large hail and
gusty winds are still possible with this thunderstorm.
A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
southeastern and east central South Dakota.
LAT...LON 4405 9706 4381 9727 4370 9737 4381 9761
4383 9761 4415 9746
TIME...MOT...LOC 2216Z 201DEG 61KT 4410 9733
$$
JMThe office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 12, 12:09 AM CDT | Dense Fog Advisory | FSD | Brookings, Kingsbury, Lake, Minnehaha, Moody | 4 hr |
| May 12, 1:38 AM CDT | Severe Thunderstorm Warning | FSD | Beadle, Jerauld | 37 min |
| May 12, 3:16 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Gregory | 44 min |
| May 12, 3:21 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Douglas, Gregory | 24 min |
| May 12, 3:40 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Charles Mix, Davison, Douglas, Gregory | 50 min |
| May 12, 3:46 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Brule, Charles Mix, Gregory, Jerauld | 44 min |
| May 12, 3:59 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Bon Homme, Charles Mix, Clay, Davison, Douglas and 6 more | 46 min |
| May 12, 4:11 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Davison, Douglas, Hanson, Hutchinson, Jerauld and 1 more | 49 min |
| May 12, 4:20 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Lincoln, Union, Yankton | 40 min |
| May 12, 4:40 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Hanson, Hutchinson, Lake, Lincoln, McCook and 5 more | 50 min |
| May 12, 4:46 PM CDT | Severe Thunderstorm Warning | FSD | Beadle, Jerauld, Kingsbury, Miner, Sanborn | 44 min |
| May 12, 4:53 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Lincoln, Union | 37 min |
| May 12, 4:58 PM CDT | Tornado Warning | FSD | Beadle | 20 min |
| May 12, 5:13 PM CDT | Severe Thunderstorm Warning | FSD | Brookings, Kingsbury, Lake, Miner, Minnehaha, Moody | 47 min |
| May 12, 5:37 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Lake, Lincoln, McCook, Minnehaha, Moody and 2 more | 23 min |
| May 12, 5:42 PM CDT | Severe Thunderstorm Warning | FSD | Brookings, Moody | 33 min |
| May 12, 6:29 PM CDT | Severe Thunderstorm Warning | FSD | Union | 46 min |
Nearby
Tornado Warnings in South Dakota, 2022Every tornado warning in 2022Tornadoes in 2022
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.