Alert archive / Wisconsin / Tornado Warnings in 2022

Tornado Warning 9, NWS La Crosse, WI

May 9, 2022Buffalo County, Trempealeau County, Wisconsin

NWS La Crosse, WI issued this tornado warning at May 9, 2022, 8:32 PM CDT for Buffalo County, Trempealeau County, Wisconsin. It was in force for 32 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 9, 2022, 8:32 PM CDT (01:32 UTC)
Expired: May 9, 2022, 9:04 PM CDT
In force: 32 min
Issued by: NWS La Crosse, WI
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Buffalo County, WI, Trempealeau County, WI

The radar

The La Crosse radar (KARX), 78 km from the middle of the area, began a volume at 01:37 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 9, 8:50 PM CDT	TSTM WND GST 50	Strum, WI

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 9, 2:50 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 1.5 hours before the alert went out and 181 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 923 J/kg
Mixed-layer CIN: -42 J/kg
Mixed-layer LCL: 1801 m above ground
0-6 km bulk shear: 67 kt
0-1 km storm-relative helicity: -82 m²/s²
0-3 km storm-relative helicity: 66 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.5

Open this sounding in Storm Lab

The text

As transmitted.

101 
WFUS53 KARX 100132
TORARX
WIC011-121-100215-
/O.NEW.KARX.TO.W.0009.220510T0132Z-220510T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service La Crosse WI
832 PM CDT Mon May 9 2022

The National Weather Service in La Crosse has issued a

* Tornado Warning for...
  Northeastern Buffalo County in west central Wisconsin...
  Northern Trempealeau County in west central Wisconsin...

* Until 915 PM CDT.

* At 832 PM CDT, severe thunderstorms capable of producing both
  tornadoes and extensive straight line wind damage were located 9
  miles southeast of Mondovi, moving northeast at 40 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...
  Strum around 845 PM CDT.
  Osseo around 900 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Gilmanton, The Borst Valley Area, Eleva, Pleasantville, Chimney Rock,
Highway 53 And County E and Walek Knob.

This includes Interstate 94 between mile markers 88 and 91.
 
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.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. 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 4456 9116 4442 9117 4434 9163 4450 9172
      4460 9149 4460 9117
TIME...MOT...LOC 0132Z 245DEG 35KT 4447 9155 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Skow

3 follow-up statements

343 
WWUS53 KARX 100140
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
840 PM CDT Mon May 9 2022

WIC011-100149-
/O.CAN.KARX.TO.W.0009.000000T0000Z-220510T0215Z/
Buffalo WI-
840 PM CDT Mon May 9 2022

...THE TORNADO WARNING FOR NORTHEASTERN BUFFALO COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 1000 PM CDT for west central
Wisconsin.

LAT...LON 4456 9116 4442 9117 4436 9153 4455 9153
      4460 9149 4460 9117
TIME...MOT...LOC 0139Z 243DEG 41KT 4445 9143 

$$

WIC121-100215-
/O.CON.KARX.TO.W.0009.000000T0000Z-220510T0215Z/
Trempealeau WI-
840 PM CDT Mon May 9 2022

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR NORTHERN
TREMPEALEAU COUNTY...

At 839 PM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located near
Independence, or 8 miles northwest of Whitehall, moving northeast 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...
  Strum around 845 PM CDT.
  Osseo around 855 PM CDT.

Other locations impacted by this tornadic thunderstorm include The
Borst Valley Area, Eleva, Pleasantville, Chimney Rock, Highway 53 And
County E, Walek Knob and Elk Creek.

This includes Interstate 94 between mile markers 88 and 91.
 
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.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. 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 4456 9116 4442 9117 4436 9153 4455 9153
      4460 9149 4460 9117
TIME...MOT...LOC 0139Z 243DEG 41KT 4445 9143 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Skow

121 
WWUS53 KARX 100153
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
853 PM CDT Mon May 9 2022

WIC121-100215-
/O.CON.KARX.TO.W.0009.000000T0000Z-220510T0215Z/
Trempealeau WI-
853 PM CDT Mon May 9 2022

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR
NORTHEASTERN TREMPEALEAU COUNTY...

At 853 PM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located near
Osseo, or 10 miles north of Whitehall, moving northeast at 40 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 tornadic thunderstorm will remain over mainly rural areas of
northeastern Trempealeau County, including the following locations...
Highway 53 And County E, Pigeon Falls and Pleasantville.

This includes Interstate 94 between mile markers 88 and 91.
 
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.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. 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 4456 9116 4442 9117 4439 9133 4450 9134
      4454 9142 4460 9141 4460 9117
TIME...MOT...LOC 0153Z 245DEG 35KT 4451 9125 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Skow

335 
WWUS53 KARX 100204
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
904 PM CDT Mon May 9 2022

WIC121-100214-
/O.CAN.KARX.TO.W.0009.000000T0000Z-220510T0215Z/
Trempealeau WI-
904 PM CDT Mon May 9 2022

...THE TORNADO WARNING FOR NORTHEASTERN TREMPEALEAU COUNTY IS
CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.  However gusty winds are
still possible with this thunderstorm.

A Tornado Watch remains in effect until 1000 PM CDT for west central
Wisconsin.

LAT...LON 4456 9116 4442 9117 4439 9133 4450 9134
      4454 9142 4460 9141 4460 9117
TIME...MOT...LOC 0201Z 245DEG 35KT 4456 9111 

$$

Skow

The office that day

Everything else NWS La Crosse, WI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 9, 7:13 PM CDT	Severe Thunderstorm Warning	ARX	Buffalo	47 min
May 9, 7:34 PM CDT	Severe Thunderstorm Warning	ARX	Buffalo	56 min
May 9, 7:59 PM CDT	Tornado Warning	ARX	Buffalo	46 min
May 9, 8:18 PM CDT	Severe Thunderstorm Warning	ARX	Buffalo, Clark, Jackson, Trempealeau	57 min
May 9, 8:29 PM CDT	Severe Thunderstorm Warning	ARX	Buffalo, Trempealeau	61 min
May 9, 9:15 PM CDT	Severe Thunderstorm Warning	ARX	Clark, Jackson, La Crosse, Monroe, Trempealeau	45 min
May 9, 9:39 PM CDT	Special Weather Statement	ARX	Crawford, Vernon	66 min
May 9, 10:01 PM CDT	Special Weather Statement	ARX	Jackson, La Crosse, Monroe	29 min
May 9, 10:31 PM CDT	Special Weather Statement	ARX	Monroe	29 min
May 9, 10:44 PM CDT	Severe Thunderstorm Warning	ARX	Richland, Vernon	46 min
May 9, 10:50 PM CDT	Special Weather Statement	ARX	Crawford	55 min
May 9, 11:01 PM CDT	Special Weather Statement	ARX	Juneau	44 min
May 9, 11:28 PM CDT	Severe Thunderstorm Warning	ARX	Adams	21 min
May 9, 11:39 PM CDT	Special Weather Statement	ARX	Grant, Richland	36 min
May 9, 11:52 PM CDT	Special Weather Statement	ARX	Adams	23 min

Nearby

Tornado Warnings in Wisconsin, 2022 Every tornado warning in 2022 Tornadoes 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.