Alert archive / Wisconsin / Tornado Warnings in 2024

Tornado Warning 21, NWS La Crosse, WI

August 5, 2024Grant County, Richland County, Wisconsin

NWS La Crosse, WI issued this tornado warning at Aug 5, 2024, 11:15 PM CDT for Grant County, Richland County, Wisconsin. It was in force for 45 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
Aug 5, 2024, 11:15 PM CDT (04:15 UTC)
Expired
Aug 6, 2024, 12:00 AM CDT
In force
45 min
Issued by
NWS La Crosse, WI
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Grant County, WI, Richland County, WI

The radar

The La Crosse radar (KARX), 89 km from the middle of the area, began a volume at 04:17 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

TimeReportWhereRemark
Aug 5, 11:30 PM CDTTSTM WND GST 604 Wnw Blue River, 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.

IssuedProductOfficeLasted
Aug 5, 5:24 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 4.3 hours before the alert went out and 166 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-pSkew-T log-p diagram, Davenport, at 00:00Z on 2024-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 449 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 00:00Z on 2024-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
449 J/kg
Mixed-layer CIN
-170 J/kg
Mixed-layer LCL
1780 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
153 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.0

Open this sounding in Storm Lab

The text

As transmitted.

160 
WFUS53 KARX 060415
TORARX
WIC043-103-060500-
/O.NEW.KARX.TO.W.0021.240806T0415Z-240806T0500Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service La Crosse WI
1115 PM CDT Mon Aug 5 2024

The National Weather Service in La Crosse has issued a

* Tornado Warning for...
  Northeastern Grant County in southwestern Wisconsin...
  Southwestern Richland County in southwestern Wisconsin...

* Until midnight CDT.

* At 1115 PM CDT, severe thunderstorms capable of producing both
  tornadoes and extensive straight line wind damage were located
  along a line extending from 8 miles north of Boscobel to 6 miles
  northeast of Prairie Du Chien, moving southeast at 35 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...
  Boscobel around 1120 PM CDT.
  Muscoda around 1130 PM CDT.
  Fennimore around 1140 PM CDT.

Other locations impacted by these tornadic storms include Westport,
Preston, Arthur, Highway 61 And County T, Montfort, Eagle Cave, and
Werley.

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!

This line 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 4306 9092 4309 9083 4311 9080 4312 9074
      4317 9069 4317 9067 4329 9067 4321 9031
      4320 9043 4274 9043
TIME...MOT...LOC 0415Z 300DEG 31KT 4326 9064 4311 9105 

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

$$

Skow
4 follow-up statements
056 
WWUS53 KARX 060429
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
1129 PM CDT Mon Aug 5 2024

WIC043-103-060500-
/O.CON.KARX.TO.W.0021.000000T0000Z-240806T0500Z/
Grant WI-Richland WI-
1129 PM CDT Mon Aug 5 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR
NORTHEASTERN GRANT AND SOUTHWESTERN RICHLAND COUNTIES...

At 1129 PM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located along a
line extending from near Muscoda to 10 miles east of Prairie Du
Chien, moving southeast at 30 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...
  Boscobel and Muscoda around 1135 PM CDT.
  Fennimore around 1145 PM CDT.

Other locations impacted by these tornadic storms include Westport,
Preston, Highway 61 And County T, Montfort, Eagle Cave, Werley, and
Livingston.

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!

This line 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 4306 9092 4309 9083 4311 9080 4312 9074
      4317 9069 4317 9067 4329 9067 4321 9031
      4320 9043 4286 9043
TIME...MOT...LOC 0429Z 295DEG 28KT 4321 9052 4306 9093 

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

$$

Skow
952 
WWUS53 KARX 060436
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
1136 PM CDT Mon Aug 5 2024

WIC043-103-060500-
/O.CON.KARX.TO.W.0021.000000T0000Z-240806T0500Z/
Grant WI-Richland WI-
1136 PM CDT Mon Aug 5 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR
NORTHEASTERN GRANT AND SOUTHWESTERN RICHLAND COUNTIES...

At 1136 PM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located along a
line extending from near Muscoda to 8 miles northwest of Fennimore,
moving southeast 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...
  Fennimore around 1140 PM CDT.

Other locations impacted by these tornadic storms include Westport,
Preston, Highway 61 And County T, Montfort, Livingston, Eagle
Corners, and Orion.

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!

This line 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 4307 9087 4309 9083 4311 9080 4312 9074
      4317 9069 4317 9067 4321 9067 4323 9040
      4321 9031 4320 9043 4286 9043
TIME...MOT...LOC 0436Z 294DEG 34KT 4321 9035 4304 9079 

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

$$

Skow
668 
WWUS53 KARX 060446
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
1146 PM CDT Mon Aug 5 2024

WIC103-060456-
/O.CAN.KARX.TO.W.0021.000000T0000Z-240806T0500Z/
Richland WI-
1146 PM CDT Mon Aug 5 2024

...THE TORNADO WARNING FOR SOUTHWESTERN RICHLAND 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 midnight CDT for southwestern
Wisconsin.

&&

LAT...LON 4304 9081 4314 9070 4315 9043 4286 9043
TIME...MOT...LOC 0446Z 292DEG 33KT 4301 9063 

$$

WIC043-060500-
/O.CON.KARX.TO.W.0021.000000T0000Z-240806T0500Z/
Grant WI-
1146 PM CDT Mon Aug 5 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR
NORTHEASTERN GRANT COUNTY...

At 1146 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Fennimore, or 11 miles north of Lancaster, moving
east 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 dangerous storm will be near...
  Fennimore around 1150 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Preston, Highway 61 And County T, Montfort, Livingston, Red Oak
Ridge, County Roads K And T, and Centerville.

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 4304 9081 4314 9070 4315 9043 4286 9043
TIME...MOT...LOC 0446Z 292DEG 33KT 4301 9063 

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

$$

Skow
301 
WWUS53 KARX 060453
SVSARX

Severe Weather Statement
National Weather Service La Crosse WI
1153 PM CDT Mon Aug 5 2024

WIC043-060502-
/O.EXP.KARX.TO.W.0021.000000T0000Z-240806T0500Z/
Grant WI-
1153 PM CDT Mon Aug 5 2024

...THE TORNADO WARNING FOR NORTHEASTERN GRANT COUNTY WILL EXPIRE AT
MIDNIGHT 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.

A Tornado Watch remains in effect until midnight CDT for southwestern
Wisconsin.

&&

LAT...LON 4304 9081 4314 9070 4315 9043 4286 9043
TIME...MOT...LOC 0452Z 300DEG 31KT 4299 9058 

$$

Skow

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 5, 8:39 PM CDTSevere Thunderstorm WarningARXBuffalo51 min
Aug 5, 11:02 PM CDTTornado WarningARXCrawford43 min

Nearby

Tornado Warnings in Wisconsin, 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.