Alert archive / Wisconsin / Tornado Warnings in 2024

Tornado Warning 4, NWS Milwaukee, WI

February 8, 2024Dane County, Jefferson County, Rock County, Wisconsin

NWS Milwaukee, WI issued this tornado warning at Feb 8, 2024, 5:50 PM CST for Dane County, Jefferson County, Rock County, Wisconsin. It was in force for 40 min. 3 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
Feb 8, 2024, 5:50 PM CST (23:50 UTC)
Expired
Feb 8, 2024, 6:30 PM CST
In force
40 min
Issued by
NWS Milwaukee, WI
Area
Storm-based polygon
Tornado
Observed
Damage threat
Considerable
Hail
1.25 in

Counties Dane County, WI, Jefferson County, WI, Rock County, WI

The radar

The Milwaukee radar (KMKX), 37 km from the middle of the area, began a volume at 23:51 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
Feb 8, 6:00 PM CSTTSTM WND DMG5 Ene Evansville, WIReports of roof damage and large trees snapped.
Feb 8, 6:09 PM CSTHAIL 12 Sse Lake Ripley, WIDelayed report via social media.
Feb 8, 6:20 PM CSTTSTM WND DMG6 Sse Rockdale, WIlarge tree 1 to 2 feet diameter down at intersection of Loga Rd and St Hwy 106. Time estimated by radar.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 11.8 hours before the alert went out and 187 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 12:00Z on 2024-02-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2024-02-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 216 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1649 m above ground
0-6 km bulk shear
83 kt
0-1 km storm-relative helicity
216 m²/s²
0-3 km storm-relative helicity
610 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

707 
WFUS53 KMKX 082350
TORMKX
WIC025-055-105-090030-
/O.NEW.KMKX.TO.W.0004.240208T2350Z-240209T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Milwaukee/Sullivan WI
550 PM CST Thu Feb 8 2024

The National Weather Service in Milwaukee/Sullivan has issued a

* Tornado Warning for...
  Northern Rock County in south central Wisconsin...
  Southeastern Dane County in south central Wisconsin...
  Southwestern Jefferson County in southeastern Wisconsin...

* Until 630 PM CST.

* At 549 PM CST, a confirmed large and extremely dangerous tornado
  was located near Evansville, moving northeast at 45 mph.

  This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

  HAZARD...Damaging tornado.

  SOURCE...Weather spotters confirmed tornado.

  IMPACT...You are in a life-threatening situation. Flying debris 
           may be deadly to those caught without shelter. Mobile 
           homes will be destroyed. Considerable damage to homes, 
           businesses, and vehicles is likely and complete 
           destruction is possible.

* Locations impacted include...
  Whitewater, Stoughton, Fort Atkinson, Jefferson, Lake Mills,
  Milton, Edgerton, Evansville, Johnson Creek, Cambridge, Lake
  Ripley, Lake Koshkonong, Fulton, Albion, Hebron, Utica, Rockdale,
  Busseyville, Cooksville, and Indianford.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, 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 4272 8927 4287 8936 4305 8902 4309 8874
      4285 8868 4284 8877 4283 8878
TIME...MOT...LOC 2349Z 237DEG 37KT 4279 8922 

TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
MAX HAIL SIZE...1.25 IN

$$

WAGNER
1 follow-up statement
101 
WWUS53 KMKX 090014
SVSMKX

Severe Weather Statement
National Weather Service Milwaukee/Sullivan WI
614 PM CST Thu Feb 8 2024

WIC025-055-105-090030-
/O.CON.KMKX.TO.W.0004.000000T0000Z-240209T0030Z/
Rock WI-Dane WI-Jefferson WI-
614 PM CST Thu Feb 8 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CST FOR
NORTHEASTERN ROCK...SOUTHEASTERN DANE AND SOUTHWESTERN JEFFERSON
COUNTIES...

At 614 PM CST, a confirmed tornado was located near Lake Koshkonong,
or near Fort Atkinson, moving northeast at 45 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.

Locations impacted include...
Whitewater, Fort Atkinson, Jefferson, Edgerton, Lake Koshkonong, Lake
Ripley, Albion, Hebron, Rockdale, and Busseyville.

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 4283 8912 4290 8915 4300 8898 4307 8873
      4285 8868 4284 8877 4283 8878
TIME...MOT...LOC 0014Z 237DEG 37KT 4293 8892 

TORNADO...OBSERVED
MAX HAIL SIZE...1.00 IN

$$

WAGNER

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 8, 4:09 PM CSTSpecial Weather StatementMKXGreen, Iowa, Lafayette36 min
Feb 8, 4:14 PM CSTSevere Thunderstorm WarningMKXLafayette46 min
Feb 8, 4:50 PM CSTSevere Thunderstorm WarningMKXGreen, Lafayette40 min
Feb 8, 5:04 PM CSTTornado WarningMKXGreen26 min
Feb 8, 5:07 PM CSTTornado WarningMKXGreen, Lafayette23 min
Feb 8, 5:28 PM CSTSevere Thunderstorm WarningMKXDane, Green, Jefferson, Rock47 min
Feb 8, 5:31 PM CSTTornado WarningMKXDane, Green, Rock44 min
Feb 8, 5:42 PM CSTSpecial Weather StatementMKXColumbia48 min
Feb 8, 5:55 PM CSTSevere Thunderstorm WarningMKXGreen, Jefferson, Rock, Walworth50 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.