Alert archive / Wisconsin / Tornado Warnings in 2024
Tornado Warning 7, NWS Milwaukee, WI
NWS Milwaukee, WI issued this tornado warning at Mar 4, 2024, 4:04 PM CST for Rock County, Walworth County, Wisconsin. It was in force for 41 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
- Mar 4, 2024, 4:04 PM CST (22:04 UTC)
- Expired
- Mar 4, 2024, 4:45 PM CST
- In force
- 41 min
- Issued by
- NWS Milwaukee, WI
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Rock County, WI, Walworth County, WI
The radar
The Milwaukee radar (KMKX), 24 km from the middle of the area, began a volume at 22:05 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 nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.1 hours before the alert went out and 196 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2595 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 113 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
751
WFUS53 KMKX 042204
TORMKX
WIC105-127-042245-
/O.NEW.KMKX.TO.W.0007.240304T2204Z-240304T2245Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Milwaukee/Sullivan WI
404 PM CST Mon Mar 4 2024
The National Weather Service in Milwaukee/Sullivan has issued a
* Tornado Warning for...
Northern Walworth County in southeastern Wisconsin...
East central Rock County in south central Wisconsin...
* Until 445 PM CST.
* At 404 PM CST, a severe thunderstorm capable of producing a tornado
was located near Delavan, 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.
* Locations impacted include...
Elkhorn, Delavan, East Troy, Potter Lake, Richmond, La Grange,
Johnstown Center, Abells Corners, Tibbets, Troy Center, and
Millard.
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 4269 8885 4284 8865 4284 8832 4283 8831
4275 8831 4260 8875
TIME...MOT...LOC 2204Z 231DEG 35KT 4271 8869
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
PATTERSON3 follow-up statements
347
WWUS53 KMKX 042217
SVSMKX
Severe Weather Statement
National Weather Service Milwaukee/Sullivan WI
417 PM CST Mon Mar 4 2024
WIC105-042227-
/O.CAN.KMKX.TO.W.0007.000000T0000Z-240304T2245Z/
Rock WI-
417 PM CST Mon Mar 4 2024
...THE TORNADO WARNING FOR EAST CENTRAL ROCK COUNTY IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
LAT...LON 4267 8878 4271 8878 4284 8865 4284 8832
4283 8831 4275 8831 4271 8842 4263 8867
4262 8871
TIME...MOT...LOC 2217Z 231DEG 35KT 4279 8855
$$
WIC127-042245-
/O.CON.KMKX.TO.W.0007.000000T0000Z-240304T2245Z/
Walworth WI-
417 PM CST Mon Mar 4 2024
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM CST FOR NORTHERN
WALWORTH COUNTY...
At 417 PM CST, a severe thunderstorm capable of producing a tornado
was located near Palmyra, or 8 miles west of East Troy, 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.
Locations impacted include...
Elkhorn, Delavan, East Troy, Potter Lake, Richmond, La Grange, Abells
Corners, Tibbets, Troy Center, and Millard.
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 4267 8878 4271 8878 4284 8865 4284 8832
4283 8831 4275 8831 4271 8842 4263 8867
4262 8871
TIME...MOT...LOC 2217Z 231DEG 35KT 4279 8855
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
PATTERSON728
WWUS53 KMKX 042227
SVSMKX
Severe Weather Statement
National Weather Service Milwaukee/Sullivan WI
427 PM CST Mon Mar 4 2024
WIC127-042245-
/O.CON.KMKX.TO.W.0007.000000T0000Z-240304T2245Z/
Walworth WI-
427 PM CST Mon Mar 4 2024
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM CST FOR NORTHERN
WALWORTH COUNTY...
At 427 PM CST, a severe thunderstorm capable of producing a tornado
was located near East Troy, moving northeast at 40 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Elkhorn, East Troy, Potter Lake, La Grange, Abells Corners, Tibbets,
Troy Center, and Millard.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4276 8873 4284 8865 4284 8832 4283 8831
4275 8831 4271 8842 4265 8861
TIME...MOT...LOC 2227Z 231DEG 35KT 4285 8844
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
PATTERSON919
WWUS53 KMKX 042244
SVSMKX
Severe Weather Statement
National Weather Service Milwaukee/Sullivan WI
444 PM CST Mon Mar 4 2024
WIC127-042253-
/O.EXP.KMKX.TO.W.0007.000000T0000Z-240304T2245Z/
Walworth WI-
444 PM CST Mon Mar 4 2024
...THE TORNADO WARNING FOR NORTHERN WALWORTH COUNTY WILL EXPIRE AT
445 PM CST...
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.
LAT...LON 4276 8873 4284 8865 4284 8832 4283 8831
4275 8831 4271 8842 4265 8861
TIME...MOT...LOC 2243Z 231DEG 35KT 4293 8830
$$
PATTERSONThe office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 4, 3:20 AM CST | Small Craft Advisory | MKX | 48 hr | |
| Mar 4, 2:38 PM CST | Severe Thunderstorm Warning | MKX | Green, Rock | 67 min |
| Mar 4, 3:10 PM CST | Tornado Warning | MKX | Rock | 35 min |
| Mar 4, 3:37 PM CST | Severe Thunderstorm Warning | MKX | Rock, Walworth | 53 min |
| Mar 4, 4:22 PM CST | Areal Flood Advisory | MKX | Rock, Walworth | 3 hr |
| Mar 4, 4:30 PM CST | Severe Thunderstorm Warning | MKX | Racine, Walworth, Waukesha | 45 min |
| Mar 4, 4:38 PM CST | Severe Thunderstorm Warning | MKX | Walworth | 37 min |
| Mar 4, 5:33 PM CST | Special Weather Statement | MKX | Kenosha, Milwaukee, Racine | 42 min |
| Mar 4, 5:46 PM CST | Special Marine Warning | MKX | 44 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.