Alert archive / Wisconsin / Tornado Warnings in 2024

Tornado Warning 9, NWS Milwaukee, WI

April 16, 20244 counties in Wisconsin

NWS Milwaukee, WI issued this tornado warning at Apr 16, 2024, 7:50 PM CDT for 4 counties in Wisconsin. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 16, 2024, 7:50 PM CDT (00:50 UTC)
Expired
Apr 16, 2024, 8:30 PM CDT
In force
40 min
Issued by
NWS Milwaukee, WI
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Dane County, WI, Green County, WI, Iowa County, WI, Lafayette County, WI

The radar

The Milwaukee radar (KMKX), 107 km from the middle of the area, began a volume at 00:51 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 16, 5:52 PM CDTTornado WatchSPC4 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 0.8 hours before the alert went out and 238 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 00:00Z on 2024-04-17Temperature 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, Green Bay/Straub, WI at 00:00Z on 2024-04-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 483 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2196 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
483 m²/s²
0-3 km storm-relative helicity
748 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

931 
WFUS53 KMKX 170050
TORMKX
WIC025-045-049-065-170130-
/O.NEW.KMKX.TO.W.0009.240417T0050Z-240417T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Milwaukee/Sullivan WI
750 PM CDT Tue Apr 16 2024

The National Weather Service in Milwaukee/Sullivan has issued a

* Tornado Warning for...
  Northeastern Lafayette County in south central Wisconsin...
  Northwestern Green County in south central Wisconsin...
  Southeastern Iowa County in south central Wisconsin...
  Southwestern Dane County in south central Wisconsin...

* Until 830 PM CDT.

* At 750 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Argyle, or 12 miles east of Darlington, moving
  northeast at 25 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...
  New Glarus, Argyle, Blanchardville, and Woodford.

Other landmarks included are the following Location York Memorial
Church.
 
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 4261 8988 4275 8997 4297 8987 4280 8956
TIME...MOT...LOC 0050Z 224DEG 21KT 4274 8989 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

CMILLER
2 follow-up statements
469 
WWUS53 KMKX 170116
SVSMKX

Severe Weather Statement
National Weather Service Milwaukee/Sullivan WI
816 PM CDT Tue Apr 16 2024

WIC049-065-170124-
/O.CAN.KMKX.TO.W.0009.000000T0000Z-240417T0130Z/
Lafayette WI-Iowa WI-
816 PM CDT Tue Apr 16 2024

...THE TORNADO WARNING FOR NORTHEASTERN LAFAYETTE AND SOUTHEASTERN
IOWA COUNTIES 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 south central
Wisconsin.

LAT...LON 4279 8984 4295 8984 4280 8956 4264 8983
TIME...MOT...LOC 0114Z 270DEG 21KT 4283 8975 

$$

WIC025-045-170130-
/O.CON.KMKX.TO.W.0009.000000T0000Z-240417T0130Z/
Green WI-Dane WI-
816 PM CDT Tue Apr 16 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR
NORTHWESTERN GREEN AND SOUTHWESTERN DANE COUNTIES...

At 814 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Blanchardville, or 12 miles south of Mount Horeb,
moving northeast at 25 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...
New Glarus.

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 4279 8984 4295 8984 4280 8956 4264 8983
TIME...MOT...LOC 0114Z 270DEG 21KT 4283 8975 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

SHEPPARD
462 
WWUS53 KMKX 170122
SVSMKX

Severe Weather Statement
National Weather Service Milwaukee/Sullivan WI
822 PM CDT Tue Apr 16 2024

WIC025-045-170131-
/O.EXP.KMKX.TO.W.0009.000000T0000Z-240417T0130Z/
Green WI-Dane WI-
822 PM CDT Tue Apr 16 2024

...THE TORNADO WARNING FOR NORTHWESTERN GREEN AND SOUTHWESTERN DANE
COUNTIES WILL EXPIRE AT 830 PM CDT...

The tornado threat has diminished and the Tornado Warning has been 
cancelled. However, damaging winds remain likely and a Severe 
Thunderstorm Warning remains in effect for the area.

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

LAT...LON 4279 8984 4295 8984 4280 8956 4264 8983
TIME...MOT...LOC 0121Z 270DEG 21KT 4285 8972 

$$

SHEPPARD

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 16, 7:23 PM CDTSevere Thunderstorm WarningMKXLafayette52 min
Apr 16, 7:28 PM CDTTornado WarningMKXLafayette32 min
Apr 16, 7:47 PM CDTSevere Thunderstorm WarningMKXDane, Green, Iowa58 min
Apr 16, 8:02 PM CDTSevere Thunderstorm WarningMKXGreen, Rock43 min
Apr 16, 8:13 PM CDTSevere Thunderstorm WarningMKXDane47 min
Apr 16, 8:39 PM CDTTornado WarningMKXDane, Green, Rock15 min
Apr 16, 8:42 PM CDTSevere Thunderstorm WarningMKXDane, Green, Jefferson, Rock48 min
Apr 16, 9:00 PM CDTSpecial Weather StatementMKXDodge, Fond du Lac, Green Lake, Ozaukee, Sheboygan, Washington45 min
Apr 16, 9:25 PM CDTSevere Thunderstorm WarningMKXRock, Walworth45 min
Apr 16, 9:34 PM CDTSpecial Weather StatementMKXDodge, Fond du Lac, Jefferson41 min
Apr 17, 7:23 AM CDTSmall Craft AdvisoryMKX18 hr

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.