Alert archive / Wisconsin / Tornado Warnings in 2024

Tornado Warning 41, NWS Milwaukee, WI

June 22, 2024Columbia County, Dane County, Wisconsin

NWS Milwaukee, WI issued this tornado warning at Jun 22, 2024, 6:30 PM CDT for Columbia County, Dane County, Wisconsin. It was in force for 30 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 22, 2024, 6:30 PM CDT (23:30 UTC)
Expired
Jun 22, 2024, 7:00 PM CDT
In force
30 min
Issued by
NWS Milwaukee, WI
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Columbia County, WI, Dane County, WI

The radar

The Milwaukee radar (KMKX), 70 km from the middle of the area, began a volume at 23:31 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
Jun 22, 6:54 PM CDTHAIL 1.751 N Sun Prairie, 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
Jun 22, 3:13 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 11.5 hours before the alert went out and 167 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, Green Bay/Straub, WI at 12:00Z on 2024-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5 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, Green Bay/Straub, WI at 12:00Z on 2024-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 235 square meters per square second.19395878Sfc1 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
5 J/kg
Mixed-layer CIN
-192 J/kg
Mixed-layer LCL
466 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
235 m²/s²
0-3 km storm-relative helicity
202 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

Open this sounding in Storm Lab

The text

As transmitted.

576 
WFUS53 KMKX 222330
TORMKX
WIC021-025-230000-
/O.NEW.KMKX.TO.W.0041.240622T2330Z-240623T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Milwaukee/Sullivan WI
630 PM CDT Sat Jun 22 2024

The National Weather Service in Milwaukee/Sullivan has issued a

* Tornado Warning for...
  Southeastern Columbia County in south central Wisconsin...
  Northeastern Dane County in south central Wisconsin...

* Until 700 PM CDT.

* At 629 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Deforest, or near Windsor, moving east 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.

* Locations impacted include...
  Sun Prairie, Windsor, Deforest, Morrisonville, Token Creek, and
  East Bristol.

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 4321 8946 4330 8947 4340 8909 4317 8912
TIME...MOT...LOC 2329Z 268DEG 29KT 4327 8940 

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

$$

DDV
1 follow-up statement
025 
WWUS53 KMKX 222346
SVSMKX

Severe Weather Statement
National Weather Service Milwaukee/Sullivan WI
646 PM CDT Sat Jun 22 2024

WIC021-025-230000-
/O.CON.KMKX.TO.W.0041.000000T0000Z-240623T0000Z/
Columbia WI-Dane WI-
646 PM CDT Sat Jun 22 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR
SOUTHEASTERN COLUMBIA AND NORTHEASTERN DANE COUNTIES...

At 646 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Sun Prairie, moving east at 35 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.

Locations impacted include...
Sun Prairie, Windsor, Deforest, Token Creek, and East Bristol.

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 4320 8936 4331 8932 4336 8910 4317 8912
TIME...MOT...LOC 2346Z 268DEG 29KT 4327 8921 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

DDV

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 9:21 AM CDTRiver Flood WatchMKXSauk71 hr
Jun 22, 9:22 AM CDTRiver Flood WatchMKXGreen, Rock26 hr
Jun 22, 9:22 AM CDTRiver Flood WatchMKXColumbia5 days
Jun 22, 4:11 PM CDTRiver Flood WatchMKXJefferson21 days
Jun 22, 5:31 PM CDTSpecial Weather StatementMKXSauk44 min
Jun 22, 5:39 PM CDTSevere Thunderstorm WarningMKXLafayette51 min
Jun 22, 5:44 PM CDTTornado Warning Tornado observedMKXLafayette46 min
Jun 22, 5:51 PM CDTSevere Thunderstorm WarningMKXColumbia, Dane, Iowa, Sauk39 min
Jun 22, 5:55 PM CDTTornado WarningMKXDane, Iowa, Sauk35 min
Jun 22, 6:04 PM CDTFlash Flood WarningMKXSauk3 hr
Jun 22, 6:12 PM CDTSevere Thunderstorm WarningMKXColumbia, Dane48 min
Jun 22, 6:17 PM CDTSevere Thunderstorm WarningMKXIowa, Sauk43 min
Jun 22, 6:22 PM CDTSevere Thunderstorm WarningMKXDane, Green, Lafayette38 min
Jun 22, 6:31 PM CDTFlash Flood WarningMKXColumbia, Dane, Sauk3 hr
Jun 22, 6:33 PM CDTTornado WarningMKXGreen, Lafayette42 min
Jun 22, 6:47 PM CDTSevere Thunderstorm WarningMKXColumbia, Dane, Dodge, Jefferson43 min
Jun 22, 6:53 PM CDTSevere Thunderstorm WarningMKXDane, Green, Iowa, Jefferson, Lafayette, Rock52 min
Jun 22, 6:56 PM CDTSevere Thunderstorm WarningMKXGreen, Rock49 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.