Alert archive / South Dakota / Tornado Warnings in 2019
Tornado Warning 37, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this tornado warning at Sep 10, 2019, 11:27 PM CDT for Rock County, Minnesota; Lincoln County, Minnehaha County, South Dakota; Lyon County, Iowa. It was in force for 33 min. 6 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
- Sep 10, 2019, 11:27 PM CDT (04:27 UTC)
- Expired
- Sep 11, 2019, 12:00 AM CDT
- In force
- 33 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties Lyon County, IA, Rock County, MN, Lincoln County, SD, Minnehaha County, SD
The radar
The Sioux Falls radar (KFSD), 19 km from the middle of the area, began a volume at 04:30 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 |
|---|---|---|---|
| Sep 10, 11:28 PM CDT | TSTM WND GST 70 | 4 S Sioux Falls, SD | LIMB DAMAGE ON MEDIUM SIZED ASH TREE, WOULD ESTIMATE 70 MPH WIND. |
| Sep 10, 11:29 PM CDT | TSTM WND DMG | 2 W Sioux Falls, SD | STRUCTURAL COLLAPSE WITH PEOPLE TRAPPED INSIDE. |
| Sep 10, 11:30 PM CDT | TSTM WND GST 70 | 3 Sse Sioux Falls, SD | RECORDED BY SDSU MESONET. |
| Sep 10, 11:31 PM CDT | TSTM WND DMG | 1 E Sioux Falls, SD | TREES UPROOTED OR SNAPPED; ROOF BLOWN OFF. |
| Sep 10, 11:31 PM CDT | TSTM WND GST 70 | 3 Se Sioux Falls, SD | 60 TO 70 MPH WINDS,. |
| Sep 10, 11:37 PM CDT | HAIL 0.5 | 3 Sw Rowena, SD | REPORT FROM MPING: HALF-INCH (0.50 IN.). |
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 |
|---|---|---|---|
| Sep 10, 8:33 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 4.5 hours before the alert went out and 212 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
- 1279 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- -63 m²/s²
- 0-3 km storm-relative helicity
- 119 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted.
789
WFUS53 KFSD 110427
TORFSD
IAC119-MNC133-SDC083-099-110500-
/O.NEW.KFSD.TO.W.0037.190911T0427Z-190911T0500Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Sioux Falls SD
1127 PM CDT Tue Sep 10 2019
The National Weather Service in Sioux Falls has issued a
* Tornado Warning for...
Northwestern Lyon County in northwestern Iowa...
Southwestern Rock County in southwestern Minnesota...
Southeastern Minnehaha County in southeastern South Dakota...
North central Lincoln County in southeastern South Dakota...
* Until midnight CDT.
* At 1127 PM CDT, a severe thunderstorm capable of producing a
tornado was located over Sioux Falls, moving east at 40 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 dangerous storm will be near...
Sioux Falls around 1130 PM CDT.
Brandon and Rowena around 1145 PM CDT.
Larchwood around 1150 PM CDT.
Valley Springs around 1155 PM CDT.
Hills and Beaver Creek around 1200 AM 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.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4365 9633 4351 9628 4346 9637 4345 9684
4356 9687 4369 9643
TIME...MOT...LOC 0427Z 259DEG 34KT 4352 9677
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
VandenBoogart2 follow-up statements
160
WWUS53 KFSD 110443
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
Issued by National Weather Service Aberdeen SD
1143 PM CDT Tue Sep 10 2019
IAC119-MNC133-SDC083-099-110500-
/O.CON.KFSD.TO.W.0037.000000T0000Z-190911T0500Z/
Lyon IA-Rock MN-Minnehaha SD-Lincoln SD-
1143 PM CDT Tue Sep 10 2019
...A TORNADO WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR
NORTHWESTERN LYON...SOUTHWESTERN ROCK...SOUTHEASTERN MINNEHAHA AND
NORTH CENTRAL LINCOLN COUNTIES...
At 1141 PM CDT, a confirmed tornado was reported by spotters 2 miles
east of I29 along the Minnehaha/Lincoln county line. The tornado is
moving east 40 mph.
HAZARD...Damaging tornado and quarter size hail.
SOURCE...Radar confirmed tornado.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornado will be near...
Larchwood and Valley Springs around 1150 PM CDT.
Hills and Beaver Creek around 1200 AM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4365 9633 4351 9628 4346 9637 4345 9684
4356 9687 4369 9643
TIME...MOT...LOC 0441Z 259DEG 34KT 4355 9658
TORNADO...OBSERVED
HAIL...1.00IN
$$
TDK170
WWUS53 KFSD 110449
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
1149 PM CDT Tue Sep 10 2019
IAC119-SDC083-110458-
/O.CAN.KFSD.TO.W.0037.000000T0000Z-190911T0500Z/
Lyon IA-Lincoln SD-
1149 PM CDT Tue Sep 10 2019
...THE TORNADO WARNING FOR NORTHWESTERN LYON AND NORTH CENTRAL
LINCOLN COUNTIES 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 400 AM CDT for
northwestern Iowa...southwestern Minnesota...and southeastern South
Dakota.
LAT...LON 4365 9633 4351 9628 4350 9630 4350 9678
4358 9680 4369 9643
TIME...MOT...LOC 0448Z 259DEG 34KT 4355 9652
$$
MNC133-SDC099-110500-
/O.CON.KFSD.TO.W.0037.000000T0000Z-190911T0500Z/
Rock MN-Minnehaha SD-
1149 PM CDT Tue Sep 10 2019
...A TORNADO WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR
SOUTHWESTERN ROCK AND SOUTHEASTERN MINNEHAHA COUNTIES...
At 1148 PM CDT, a confirmed tornado was located near Rowena, or 10
miles east of Sioux Falls, moving east at 40 mph.
HAZARD...Damaging tornado and quarter size hail.
SOURCE...Weather spotters confirmed tornado.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornado will be near...
Hills and Beaver Creek around 1200 AM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4365 9633 4351 9628 4350 9630 4350 9678
4358 9680 4369 9643
TIME...MOT...LOC 0448Z 259DEG 34KT 4355 9652
TORNADO...OBSERVED
HAIL...1.00IN
$$
VandenBoogartThe office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 10, 11:13 PM CDT | Severe Thunderstorm Warning | FSD | Rock | 47 min |
| Sep 10, 11:54 PM CDT | Tornado Warning | FSD | Rock | 13 min |
| Sep 10, 11:59 PM CDT | Severe Thunderstorm Warning | FSD | Murray, Nobles, Rock | 46 min |
| Sep 11, 12:24 AM CDT | Flash Flood Warning | FSD | Lincoln, Pipestone | 6 hr |
| Sep 11, 12:39 AM CDT | Severe Thunderstorm Warning | FSD | Cottonwood, Jackson, Murray, Nobles | 51 min |
| Sep 11, 1:03 AM CDT | Flash Flood Warning | FSD | Rock | 6 hr |
| Sep 11, 1:27 AM CDT | Severe Thunderstorm Warning | FSD | Cottonwood, Jackson, Murray | 63 min |
| Sep 11, 4:07 AM CDT | Flash Flood Watch | FSD | Cottonwood, Jackson, Lincoln, Lyon, Murray, Nobles and 2 more | 26 hr |
| Sep 11, 8:01 AM CDT | River Flood Warning | FSD | Pipestone | 21 days |
| Sep 11, 8:01 AM CDT | River Flood Warning | FSD | Pipestone | 21 days |
| Sep 11, 10:11 AM CDT | River Flood Warning | FSD | Lyon | 5 days |
| Sep 10, 7:24 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Brule, Charles Mix, Douglas, Gregory | 36 min |
| Sep 10, 7:46 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Charles Mix, Douglas, Hutchinson | 44 min |
| Sep 10, 7:58 PM CDT | Tornado Warning | FSD | Charles Mix, Douglas | 32 min |
| Sep 10, 8:01 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Brule, Charles Mix, Davison, Douglas, Gregory | 44 min |
| Sep 10, 8:07 PM CDT | Tornado Warning | FSD | Bon Homme, Charles Mix | 38 min |
| Sep 10, 8:41 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Charles Mix, Davison, Douglas, Hutchinson | 49 min |
| Sep 10, 8:52 PM CDT | Tornado Warning | FSD | Aurora, Davison | 23 min |
| Sep 10, 8:52 PM CDT | Tornado Warning | FSD | Bon Homme, Hutchinson | 38 min |
| Sep 10, 9:13 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Douglas, Gregory | 47 min |
| Sep 10, 9:28 PM CDT | Severe Thunderstorm Warning | FSD | Davison, Hanson, Miner, Sanborn | 29 min |
| Sep 10, 9:29 PM CDT | Flash Flood Warning | FSD | Bon Homme, Charles Mix, Davison, Douglas, Hanson, Hutchinson | 6 hr |
| Sep 10, 9:36 PM CDT | Tornado Warning | FSD | Hutchinson | 24 min |
| Sep 10, 9:46 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Charles Mix, Douglas, Hutchinson | 44 min |
| Sep 10, 9:56 PM CDT | Tornado Warning | FSD | Hanson, Hutchinson, McCook | 34 min |
| Sep 10, 10:22 PM CDT | Flash Flood Warning | FSD | Hanson, Hutchinson, McCook, Turner | 5 hr |
| Sep 10, 10:22 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Hanson, Hutchinson, McCook, Yankton | 53 min |
| Sep 10, 10:42 PM CDT | Tornado Warning | FSD | Hutchinson, McCook, Turner | 33 min |
| Sep 10, 10:47 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Hutchinson, Lincoln, McCook, Minnehaha, Turner and 1 more | 43 min |
| Sep 10, 10:53 PM CDT | Tornado Warning | FSD | McCook, Minnehaha, Turner | 24 min |
| Sep 10, 11:04 PM CDT | Tornado Warning | FSD | Lincoln, Turner | 26 min |
| Sep 10, 11:26 PM CDT | Flash Flood Warning | FSD | Lake, Lincoln, McCook, Miner, Minnehaha, Moody and 1 more | 3 hr |
| Sep 11, 12:24 AM CDT | Flash Flood Warning | FSD | Clay, Hutchinson, Lincoln, Turner, Union, Yankton | 6 hr |
| Sep 11, 12:55 AM CDT | River Flood Warning | FSD | Minnehaha, Moody | 21 days |
| Sep 11, 12:55 AM CDT | River Flood Warning | FSD | Minnehaha | 21 days |
| Sep 11, 2:17 AM CDT | Flash Flood Warning | FSD | Lake, Lincoln, McCook, Miner, Minnehaha, Moody and 1 more | 4 hr |
| Sep 11, 3:14 AM CDT | Flash Flood Warning | FSD | Union | 4 hr |
| Sep 11, 3:31 AM CDT | Areal Flood Warning | FSD | Bon Homme, Brookings, Charles Mix, Clay, Douglas, Hanson and 9 more | 18 hr |
| Sep 11, 8:01 AM CDT | River Flood Warning | FSD | Minnehaha | 29 days |
| Sep 11, 9:10 AM CDT | River Flood Warning | FSD | Lincoln, Minnehaha | 14 days |
| Sep 11, 9:10 AM CDT | River Flood Warning | FSD | Union | 16 days |
| Sep 11, 9:10 AM CDT | River Flood Warning | FSD | Union | 21 days |
| Sep 11, 9:10 AM CDT | River Flood Warning | FSD | Minnehaha | 60 hr |
| Sep 11, 9:21 AM CDT | River Flood Warning | FSD | Yankton | 24 days |
| Sep 11, 9:21 AM CDT | River Flood Warning | FSD | Turner | 6 days |
| Sep 11, 9:21 AM CDT | River Flood Warning | FSD | Turner | 21 days |
| Sep 11, 9:21 AM CDT | River Flood Warning | FSD | Turner | 21 days |
| Sep 11, 9:21 AM CDT | River Flood Warning | FSD | Clay | 8 days |
| Sep 11, 9:21 AM CDT | River Flood Warning | FSD | Clay | 21 days |
| Sep 11, 9:21 AM CDT | River Flood Warning | FSD | Moody | 21 days |
| Sep 11, 10:42 AM CDT | River Flood Warning | FSD | Minnehaha, Moody | 21 days |
| Sep 11, 3:41 PM CDT | River Flood Warning | FSD | Minnehaha, Moody | 13 days |
| Sep 11, 3:44 PM CDT | River Flood Warning | FSD | Moody | 21 days |
| Sep 11, 12:44 AM CDT | Severe Thunderstorm Warning | FSD | Clay, Dickinson, Lyon, O'Brien, Osceola, Sioux | 46 min |
| Sep 11, 1:25 AM CDT | Severe Thunderstorm Warning | FSD | Buena Vista, Cherokee, Clay, O'Brien, Plymouth, Sioux | 65 min |
| Sep 11, 4:10 AM CDT | Flash Flood Warning | FSD | Ida, Woodbury | 3 hr |
Nearby
Tornado Warnings in South Dakota, 2019Tornado Warnings in Minnesota, 2019Tornado Warnings in Iowa, 2019Every tornado warning in 2019Tornadoes in 2019
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.