Alert archive / South Dakota / Tornado Warnings in 2020
Tornado Warning 4, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this tornado warning at Jun 8, 2020, 10:08 PM CDT for 4 counties in South Dakota. It was in force for 52 min. 1 report 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
- Jun 8, 2020, 10:08 PM CDT (03:08 UTC)
- Expired
- Jun 8, 2020, 11:00 PM CDT
- In force
- 52 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.75 in
Counties Davison County, SD, Hanson County, SD, Miner County, SD, Sanborn County, SD
The radar
The Sioux Falls radar (KFSD), 96 km from the middle of the area, began a volume at 03:10 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 |
|---|---|---|---|
| Jun 8, 10:15 PM CDT | TSTM WND GST 55 | 3 S Mitchell, SD | REPORT VIA SOCIAL MEDIA. DIME SIZE HAIL ALSO REPORTED. |
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 |
|---|---|---|---|
| Jun 8, 5:56 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 3.1 hours before the alert went out and 138 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
- 540 J/kg
- Mixed-layer CIN
- -113 J/kg
- Mixed-layer LCL
- 1339 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 161 m²/s²
- 0-3 km storm-relative helicity
- 283 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 13.2
The text
As transmitted.
737
WFUS53 KFSD 090308
TORFSD
SDC035-061-097-111-090400-
/O.NEW.KFSD.TO.W.0004.200609T0308Z-200609T0400Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Sioux Falls SD
1008 PM CDT Mon Jun 8 2020
The National Weather Service in Sioux Falls has issued a
* Tornado Warning for...
Eastern Davison County in southeastern South Dakota...
Southeastern Sanborn County in east central South Dakota...
Southwestern Miner County in east central South Dakota...
Western Hanson County in southeastern South Dakota...
* Until 1100 PM CDT.
* At 1008 PM CDT, a severe thunderstorm capable of producing a
tornado was located near Mitchell, moving north at 25 mph.
HAZARD...Tornado and golf ball 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.
* This dangerous storm will be near...
Mitchell and Fulton around 1025 PM CDT.
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.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 4354 9788 4359 9811 4395 9801 4392 9766
TIME...MOT...LOC 0308Z 197DEG 22KT 4365 9797
TORNADO...RADAR INDICATED
HAIL...1.75IN
$$
BT7 follow-up statements
735
WWUS53 KFSD 090313
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
1013 PM CDT Mon Jun 8 2020
SDC035-061-097-111-090400-
/O.CON.KFSD.TO.W.0004.000000T0000Z-200609T0400Z/
Davison SD-Sanborn SD-Miner SD-Hanson SD-
1013 PM CDT Mon Jun 8 2020
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT FOR
NORTHEASTERN DAVISON...SOUTHEASTERN SANBORN...SOUTHWESTERN MINER AND
NORTHWESTERN HANSON COUNTIES...
At 1013 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Mitchell, moving north at 25 mph.
HAZARD...Tornado and golf ball size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Fulton around 1025 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 4358 9790 4365 9809 4395 9801 4392 9766
TIME...MOT...LOC 0313Z 197DEG 22KT 4368 9796
TORNADO...RADAR INDICATED
HAIL...1.75IN
$$
BT552
WWUS53 KFSD 090318
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
1018 PM CDT Mon Jun 8 2020
SDC035-061-097-111-090400-
/O.CON.KFSD.TO.W.0004.000000T0000Z-200609T0400Z/
Davison SD-Sanborn SD-Miner SD-Hanson SD-
1018 PM CDT Mon Jun 8 2020
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT FOR
NORTHEASTERN DAVISON...SOUTHEASTERN SANBORN...SOUTHWESTERN MINER AND
NORTHWESTERN HANSON COUNTIES...
At 1018 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Fulton, or near Mitchell, moving northeast at 30
mph.
HAZARD...Tornado and ping pong ball 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.
This dangerous storm will be near...
Fulton around 1025 PM CDT.
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.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 4361 9788 4368 9808 4395 9801 4392 9766
TIME...MOT...LOC 0318Z 221DEG 26KT 4371 9791
TORNADO...RADAR INDICATED
HAIL...1.50IN
$$
BT928
WWUS53 KFSD 090325
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
1025 PM CDT Mon Jun 8 2020
SDC035-061-097-111-090400-
/O.CON.KFSD.TO.W.0004.000000T0000Z-200609T0400Z/
Davison SD-Sanborn SD-Miner SD-Hanson SD-
1025 PM CDT Mon Jun 8 2020
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT FOR
NORTHEASTERN DAVISON...SOUTHEASTERN SANBORN...SOUTHWESTERN MINER AND
NORTHWESTERN HANSON COUNTIES...
At 1025 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Fulton, or 7 miles east of Mitchell, moving
northeast at 25 mph.
HAZARD...Tornado and half dollar size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornadic thunderstorm will remain over mainly rural areas of
northeastern Davison, southeastern Sanborn, southwestern Miner and
northwestern Hanson Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 4365 9786 4372 9806 4395 9801 4392 9766
TIME...MOT...LOC 0325Z 216DEG 23KT 4374 9789
TORNADO...RADAR INDICATED
HAIL...1.25IN
$$
BT897
WWUS53 KFSD 090330
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
1030 PM CDT Mon Jun 8 2020
SDC035-061-097-111-090400-
/O.CON.KFSD.TO.W.0004.000000T0000Z-200609T0400Z/
Davison SD-Sanborn SD-Miner SD-Hanson SD-
1030 PM CDT Mon Jun 8 2020
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT FOR
NORTHEASTERN DAVISON...SOUTHEASTERN SANBORN...SOUTHWESTERN MINER AND
NORTHWESTERN HANSON COUNTIES...
At 1030 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Fulton, or 9 miles east of Mitchell, moving
northeast at 30 mph.
HAZARD...Tornado and half dollar 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.
This tornadic thunderstorm will remain over mainly rural areas of
northeastern Davison, southeastern Sanborn, southwestern Miner and
northwestern Hanson Counties.
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.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 4369 9783 4374 9805 4395 9801 4392 9766
TIME...MOT...LOC 0330Z 207DEG 27KT 4377 9786
TORNADO...RADAR INDICATED
HAIL...1.25IN
$$
BT558
WWUS53 KFSD 090337
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
1037 PM CDT Mon Jun 8 2020
SDC035-061-097-111-090400-
/O.CON.KFSD.TO.W.0004.000000T0000Z-200609T0400Z/
Davison SD-Sanborn SD-Miner SD-Hanson SD-
1037 PM CDT Mon Jun 8 2020
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT FOR
NORTHEASTERN DAVISON...SOUTHEASTERN SANBORN...SOUTHWESTERN MINER AND
NORTHWESTERN HANSON COUNTIES...
At 1037 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Fulton, or 12 miles northeast of Mitchell, moving
northeast at 30 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornadic thunderstorm will remain over mainly rural areas of
northeastern Davison, southeastern Sanborn, southwestern Miner and
northwestern Hanson Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 4373 9780 4379 9804 4395 9801 4392 9766
TIME...MOT...LOC 0337Z 207DEG 27KT 4382 9783
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
BT965
WWUS53 KFSD 090342
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
1042 PM CDT Mon Jun 8 2020
SDC035-090352-
/O.CAN.KFSD.TO.W.0004.000000T0000Z-200609T0400Z/
Davison SD-
1042 PM CDT Mon Jun 8 2020
...THE TORNADO WARNING FOR NORTHEASTERN DAVISON COUNTY IS
CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 200 AM CDT for
southeastern and east central South Dakota.
LAT...LON 4392 9766 4380 9774 4375 9779 4383 9797
4385 9797 4385 9802 4395 9801
TIME...MOT...LOC 0342Z 207DEG 27KT 4385 9781
$$
SDC061-097-111-090400-
/O.CON.KFSD.TO.W.0004.000000T0000Z-200609T0400Z/
Sanborn SD-Miner SD-Hanson SD-
1042 PM CDT Mon Jun 8 2020
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT FOR
SOUTHEASTERN SANBORN...SOUTHWESTERN MINER AND NORTHWESTERN HANSON
COUNTIES...
At 1042 PM CDT, a severe thunderstorm capable of producing a tornado
was located 8 miles north of Fulton, or 14 miles northeast of
Mitchell, moving northeast at 30 mph.
HAZARD...Tornado and half dollar size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornadic thunderstorm will remain over mainly rural areas of
southeastern Sanborn, southwestern Miner and northwestern Hanson
Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 4392 9766 4380 9774 4375 9779 4383 9797
4385 9797 4385 9802 4395 9801
TIME...MOT...LOC 0342Z 207DEG 27KT 4385 9781
TORNADO...RADAR INDICATED
HAIL...1.25IN
$$
BT203
WWUS53 KFSD 090352
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
1052 PM CDT Mon Jun 8 2020
SDC061-097-111-090402-
/O.EXP.KFSD.TO.W.0004.000000T0000Z-200609T0400Z/
Sanborn SD-Miner SD-Hanson SD-
1052 PM CDT Mon Jun 8 2020
...THE TORNADO WARNING FOR SOUTHEASTERN SANBORN...SOUTHWESTERN MINER
AND NORTHWESTERN HANSON COUNTIES WILL EXPIRE AT 1100 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire. However hail is
still possible with this thunderstorm.
A Severe Thunderstorm Watch remains in effect until 200 AM CDT for
southeastern and east central South Dakota.
LAT...LON 4392 9766 4380 9774 4375 9779 4383 9797
4385 9797 4385 9802 4395 9801
TIME...MOT...LOC 0352Z 197DEG 22KT 4391 9779
$$
BTThe office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 8:45 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Gregory | 23 min |
| Jun 8, 9:30 PM CDT | Severe Thunderstorm Warning | FSD | Davison, Douglas, Hutchinson | 30 min |
| Jun 8, 9:30 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Charles Mix, Gregory | 45 min |
| Jun 8, 9:40 PM CDT | Tornado Warning | FSD | Charles Mix | 35 min |
| Jun 8, 9:52 PM CDT | Tornado Warning | FSD | Davison, Hanson | 23 min |
| Jun 8, 10:05 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Charles Mix, Douglas, Hutchinson | 40 min |
| Jun 8, 10:07 PM CDT | Tornado Warning | FSD | Bon Homme, Charles Mix, Douglas, Hutchinson | 23 min |
| Jun 8, 10:25 PM CDT | Tornado Warning | FSD | Hutchinson | 35 min |
| Jun 8, 10:37 PM CDT | Severe Thunderstorm Warning | FSD | Davison, Douglas, Hanson, Hutchinson | 38 min |
| Jun 8, 10:42 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Charles Mix, Gregory | 48 min |
| Jun 8, 10:48 PM CDT | Severe Thunderstorm Warning | FSD | Miner, Sanborn | 42 min |
| Jun 8, 10:54 PM CDT | Tornado Warning | FSD | Hanson, Hutchinson, McCook | 25 min |
| Jun 8, 11:00 PM CDT | Tornado Warning | FSD | Miner | 45 min |
| Jun 8, 11:11 PM CDT | Severe Thunderstorm Warning | FSD | Davison, Hanson, Hutchinson, McCook, Miner | 34 min |
| Jun 8, 11:15 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Douglas, Hutchinson | 33 min |
| Jun 8, 11:37 PM CDT | Tornado Warning | FSD | Kingsbury, Miner | 38 min |
| Jun 8, 11:40 PM CDT | Tornado Warning | FSD | Kingsbury, Miner | 50 min |
| Jun 8, 11:44 PM CDT | Tornado Warning | FSD | Hanson, McCook, Miner | 31 min |
| Jun 9, 12:10 AM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Gregory | 35 min |
| Jun 9, 12:14 AM CDT | Tornado Warning | FSD | Kingsbury | 16 min |
| Jun 9, 12:38 AM CDT | Severe Thunderstorm Warning | FSD | Aurora, Charles Mix, Davison, Douglas, Hanson, Hutchinson | 37 min |
| Jun 9, 3:50 AM CDT | Wind Advisory | FSD | Aurora, Beadle, Bon Homme, Brookings, Clay, Davison and 15 more | 27 hr |
| Jun 9, 5:36 AM CDT | Severe Thunderstorm Warning | FSD | Aurora, Davison, Douglas | 24 min |
| Jun 9, 5:47 AM CDT | Severe Thunderstorm Warning | FSD | Aurora, Davison, Hanson | 28 min |
| Jun 9, 5:56 AM CDT | Severe Thunderstorm Warning | FSD | Aurora, Davison, Hanson, Sanborn | 34 min |
| Jun 9, 6:10 AM CDT | Severe Thunderstorm Warning | FSD | Davison, Hanson, McCook, Miner | 35 min |
| Jun 9, 6:23 AM CDT | Severe Thunderstorm Warning | FSD | Davison, Hanson, Miner, Sanborn | 37 min |
| Jun 9, 11:11 AM CDT | Flash Flood Warning | FSD | Charles Mix, Douglas | 5 hr |
| Jun 9, 11:56 AM CDT | Flash Flood Warning | FSD | Aurora, Davison, Douglas | 4 hr |
| Jun 9, 3:58 PM CDT | Areal Flood Warning | FSD | Aurora, Charles Mix, Davison, Douglas | 21 hr |
| Jun 9, 5:16 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Hutchinson, Turner, Yankton | 44 min |
| Jun 9, 6:36 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Minnehaha, Turner | 39 min |
Nearby
Tornado Warnings in South Dakota, 2020Every tornado warning in 2020Tornadoes in 2020
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.