Alert archive / Minnesota / Tornado Warnings in 2024
Tornado Warning 4, NWS La Crosse, WI
NWS La Crosse, WI issued this tornado warning at May 21, 2024, 6:05 PM CDT for Winona County, Minnesota. It was in force for 25 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
- May 21, 2024, 6:05 PM CDT (23:05 UTC)
- Expired
- May 21, 2024, 6:30 PM CDT
- In force
- 25 min
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
County Winona County, MN
The radar
The La Crosse radar (KARX), 59 km from the middle of the area, began a volume at 23:04 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 21, 6:11 PM CDT | TSTM WND DMG | 1 Wsw Rollingstone, MN | Barn demolished and damage to another building. Possible tornado. |
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 21, 1:14 PM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 11.1 hours before the alert went out and 164 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
- 67 J/kg
- Mixed-layer CIN
- -85 J/kg
- Mixed-layer LCL
- 840 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
543
WFUS53 KARX 212305
TORARX
MNC169-212330-
/O.NEW.KARX.TO.W.0004.240521T2305Z-240521T2330Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service La Crosse WI
605 PM CDT Tue May 21 2024
The National Weather Service in La Crosse has issued a
* Tornado Warning for...
Northwestern Winona County in southeastern Minnesota...
* Until 630 PM CDT.
* At 605 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Altura, or 13 miles west of Winona, moving
northeast at 65 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...
Rollingstone and Altura around 610 PM CDT.
Winona and Goodview around 615 PM CDT.
Other locations impacted by this tornadic thunderstorm include Lock
And Dam 5, Lock And Dam 5 A, Whitman, County Roads 28 And 31,
Minnesota City, Utica, and Bethany.
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 4419 9185 4418 9183 4416 9180 4415 9178
4413 9175 4413 9173 4412 9171 4410 9171
4410 9168 4409 9167 4396 9198 4401 9206
TIME...MOT...LOC 2305Z 229DEG 57KT 4402 9194
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
Skow3 follow-up statements
943
WWUS53 KARX 212307
SVSARX
Severe Weather Statement
National Weather Service La Crosse WI
607 PM CDT Tue May 21 2024
MNC169-212330-
/O.CON.KARX.TO.W.0004.000000T0000Z-240521T2330Z/
Winona MN-
607 PM CDT Tue May 21 2024
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR
NORTHWESTERN WINONA COUNTY...
At 606 PM CDT, a confirmed tornado was located over Altura, or 13
miles west of Winona, moving northeast at 45 mph.
HAZARD...Damaging tornado.
SOURCE...Radar confirmed tornado.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornado will be near...
Rollingstone and Altura around 610 PM CDT.
Winona around 620 PM CDT.
Other locations impacted by this tornadic thunderstorm include Lock
And Dam 5, Whitman, Minnesota City, Lock And Dam 5 A, and Bethany.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
&&
LAT...LON 4419 9185 4418 9183 4416 9180 4415 9178
4413 9175 4413 9173 4412 9171 4410 9171
4410 9168 4409 9167 4399 9193 4403 9200
TIME...MOT...LOC 2306Z 223DEG 40KT 4403 9194
TORNADO...OBSERVED
MAX HAIL SIZE...<.75 IN
$$
Skow125
WWUS53 KARX 212311
SVSARX
Severe Weather Statement
National Weather Service La Crosse WI
611 PM CDT Tue May 21 2024
MNC169-212330-
/O.CON.KARX.TO.W.0004.000000T0000Z-240521T2330Z/
Winona MN-
611 PM CDT Tue May 21 2024
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR
NORTHWESTERN WINONA COUNTY...
At 611 PM CDT, a confirmed tornado was located over Rollingstone, or
9 miles west of Winona, moving northeast at 65 mph.
HAZARD...Damaging tornado.
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...
Rollingstone around 615 PM CDT.
Other locations impacted by this tornadic thunderstorm include Lock
And Dam 5, Whitman, and Minnesota City.
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.
&&
LAT...LON 4419 9185 4418 9183 4416 9180 4415 9178
4413 9175 4413 9173 4412 9171 4403 9186
4408 9195
TIME...MOT...LOC 2311Z 229DEG 57KT 4408 9186
TORNADO...OBSERVED
MAX HAIL SIZE...<.75 IN
$$
Skow342
WWUS53 KARX 212321
SVSARX
Severe Weather Statement
National Weather Service La Crosse WI
621 PM CDT Tue May 21 2024
MNC169-212331-
/O.EXP.KARX.TO.W.0004.000000T0000Z-240521T2330Z/
Winona MN-
621 PM CDT Tue May 21 2024
...THE TORNADO WARNING FOR NORTHWESTERN WINONA COUNTY WILL EXPIRE AT
630 PM CDT...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.
A Tornado Watch remains in effect until 900 PM CDT for southeastern
Minnesota...and west central Wisconsin.
&&
LAT...LON 4419 9185 4418 9183 4416 9180 4415 9178
4413 9175 4413 9173 4412 9171 4403 9186
4408 9195
TIME...MOT...LOC 2321Z 270DEG 57KT 4417 9171
$$
SkowThe office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 20, 7:13 PM CDT | Severe Thunderstorm Warning | ARX | Dodge, Olmsted | 62 min |
| May 20, 7:31 PM CDT | Severe Thunderstorm Warning | ARX | Dodge, Mower | 44 min |
| May 20, 7:53 PM CDT | Areal Flood Advisory | ARX | Dodge, Olmsted | 2 hr |
| May 20, 9:51 PM CDT | Areal Flood Advisory | ARX | Mower | 2 hr |
| May 20, 10:10 PM CDT | Special Weather Statement | ARX | Mower | 35 min |
| May 20, 10:17 PM CDT | Severe Thunderstorm Warning | ARX | Mower | 41 min |
| May 21, 1:31 AM CDT | Flood Watch | ARX | Dodge, Fillmore, Houston, Mower, Olmsted, Wabasha and 1 more | 19 hr |
| May 21, 11:42 AM CDT | Special Weather Statement | ARX | Dodge, Fillmore, Mower, Olmsted, Wabasha | 48 min |
| May 21, 12:30 PM CDT | Special Weather Statement | ARX | Fillmore, Houston, Olmsted, Wabasha, Winona | 45 min |
| May 21, 5:03 PM CDT | Severe Thunderstorm Warning | ARX | Mower | 57 min |
| May 21, 5:08 PM CDT | Severe Thunderstorm Warning | ARX | Dodge | 52 min |
| May 21, 5:24 PM CDT | Severe Thunderstorm Warning | ARX | Fillmore, Olmsted | 66 min |
| May 21, 5:51 PM CDT | Severe Thunderstorm Warning | ARX | Fillmore, Houston, Wabasha, Winona | 39 min |
| May 21, 6:16 PM CDT | Tornado Warning | ARX | Wabasha, Winona | 16 min |
| May 21, 6:28 PM CDT | Severe Thunderstorm Warning | ARX | Fillmore, Houston, Winona | 62 min |
| May 21, 6:49 PM CDT | Flash Flood Warning | ARX | Houston | 3 hr |
Nearby
Tornado Warnings in Minnesota, 2024Every tornado warning in 2024Tornadoes in 2024
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.