Alert archive / Wisconsin / Tornado Warnings in 2022

Tornado Warning 3, NWS Milwaukee, WI

April 30, 2022Rock County, Walworth County, Wisconsin

NWS Milwaukee, WI issued this tornado warning at Apr 30, 2022, 6:00 PM CDT for Rock County, Walworth 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: Apr 30, 2022, 6:00 PM CDT (23:00 UTC)
Expired: Apr 30, 2022, 6:30 PM CDT
In force: 30 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), 43 km from the middle of the area, began a volume at 23:01 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

Time	Report	Where	Remark
Apr 30, 6:10 PM CDT	FUNNEL CLOUD	Sharon, WI	BROADCAST MEDIA SHARED PHOTO OF A FUNNEL CLOUD TAKEN AROUND THE VILLAGE OF SHARON FROM THE PUBLIC VIA SOCIAL MEDIA. TIMING WAS ESTIMATED BASED ON RADAR.

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.

Issued	Product	Office	Lasted
Apr 30, 1:46 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 11.0 hours before the alert went out and 186 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 746 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 366 m²/s²
0-3 km storm-relative helicity: 301 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

798 
WFUS53 KMKX 302300
TORMKX
WIC105-127-302345-
/O.NEW.KMKX.TO.W.0003.220430T2300Z-220430T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Milwaukee/Sullivan WI
600 PM CDT Sat Apr 30 2022

The National Weather Service in Milwaukee/Sullivan has issued a

* Tornado Warning for...
  Walworth County in southeastern Wisconsin...
  Southeastern Rock County in south central Wisconsin...

* Until 645 PM CDT.
    
* At 600 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Sharon, or 7 miles north of Poplar Grove, moving
  northeast at 55 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, Lake Geneva, Williams Bay, Walworth,
  Fontana-On-Geneva Lake, Sharon, Darien, Como, Richmond,
  Springfield, Abells Corners, Tibbets, Allens Grove, Millard and
  Delavan Lake.

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 4250 8889 4284 8870 4264 8831 4249 8851
TIME...MOT...LOC 2300Z 206DEG 47KT 4248 8879 

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

$$

CMILLER

2 follow-up statements

045 
WWUS53 KMKX 302322
SVSMKX

Severe Weather Statement
National Weather Service Milwaukee/Sullivan WI
622 PM CDT Sat Apr 30 2022

WIC105-302331-
/O.CAN.KMKX.TO.W.0003.000000T0000Z-220430T2345Z/
Rock WI-
622 PM CDT Sat Apr 30 2022

...THE TORNADO WARNING FOR SOUTHEASTERN ROCK 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 800 PM CDT for south central
and southeastern Wisconsin.

LAT...LON 4250 8878 4270 8878 4284 8870 4264 8831
      4249 8851
TIME...MOT...LOC 2321Z 206DEG 47KT 4274 8862 

$$

WIC127-302345-
/O.CON.KMKX.TO.W.0003.000000T0000Z-220430T2345Z/
Walworth WI-
622 PM CDT Sat Apr 30 2022

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR WALWORTH
COUNTY...
    
At 621 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Elkhorn, moving northeast at 55 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, Lake Geneva, Williams Bay, Walworth,
Fontana-On-Geneva Lake, Sharon, Darien, Como, Richmond, Springfield,
Abells Corners, Tibbets, Allens Grove, Millard and Delavan Lake.

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 4250 8878 4270 8878 4284 8870 4264 8831
      4249 8851
TIME...MOT...LOC 2321Z 206DEG 47KT 4274 8862 

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

$$

CMILLER

649 
WWUS53 KMKX 302330
SVSMKX

Severe Weather Statement
National Weather Service Milwaukee/Sullivan WI
630 PM CDT Sat Apr 30 2022

WIC127-302340-
/O.CAN.KMKX.TO.W.0003.000000T0000Z-220430T2345Z/
Walworth WI-
630 PM CDT Sat Apr 30 2022

...THE TORNADO WARNING FOR WALWORTH COUNTY IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.  However gusty winds are
still possible with this thunderstorm.

A Tornado Watch remains in effect until 800 PM CDT for south central
and southeastern Wisconsin.

LAT...LON 4250 8878 4270 8878 4284 8870 4264 8831
      4249 8851
TIME...MOT...LOC 2328Z 206DEG 47KT 4285 8855 

$$

CMILLER

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 30, 3:34 PM CDT	Tornado Warning	MKX	Lafayette	26 min
Apr 30, 3:41 PM CDT	Tornado Warning	MKX	Lafayette	34 min
Apr 30, 3:51 PM CDT	Special Weather Statement	MKX	Iowa	39 min
Apr 30, 4:07 PM CDT	Special Weather Statement	MKX	Lafayette	38 min
Apr 30, 4:27 PM CDT	Severe Thunderstorm Warning	MKX	Iowa	33 min
Apr 30, 5:06 PM CDT	Special Weather Statement	MKX	Green	24 min
Apr 30, 5:41 PM CDT	Special Weather Statement	MKX	Iowa	34 min
Apr 30, 6:13 PM CDT	Special Weather Statement	MKX	Sauk	47 min
Apr 30, 6:29 PM CDT	Special Weather Statement	MKX	Walworth	31 min
Apr 30, 6:45 PM CDT	Special Weather Statement	MKX	Walworth	45 min

Nearby

Tornado Warnings in Wisconsin, 2022 Every tornado warning in 2022 Tornadoes in 2022

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.