Alert archive / Wisconsin / Tornado Warnings in 2022

Tornado Warning 2, NWS Milwaukee, WI

April 30, 2022Lafayette County, Wisconsin

NWS Milwaukee, WI issued this tornado warning at Apr 30, 2022, 3:41 PM CDT for Lafayette County, Wisconsin. It was in force for 34 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 30, 2022, 3:41 PM CDT (20:41 UTC)
Expired: Apr 30, 2022, 4:15 PM CDT
In force: 34 min
Issued by: NWS Milwaukee, WI
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

County Lafayette County, WI

The radar

The Quad Cities radar (KDVN), 109 km from the middle of the area, began a volume at 20:41 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.

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, 8.7 hours before the alert went out and 107 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.

242 
WFUS53 KMKX 302041
TORMKX
WIC065-302115-
/O.NEW.KMKX.TO.W.0002.220430T2041Z-220430T2115Z/

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

The National Weather Service in Milwaukee/Sullivan has issued a

* Tornado Warning for...
  Southwestern Lafayette County in south central Wisconsin...

* Until 415 PM CDT.
    
* At 341 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Council Hill, or near Galena, moving north 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...
  Shullsburg, New Diggings and Lead Mine. 

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 4251 9038 4266 9032 4263 9008 4251 9021
TIME...MOT...LOC 2041Z 201DEG 31KT 4244 9035 

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

$$

CMILLER

1 follow-up statement

225 
WWUS53 KMKX 302110
SVSMKX

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

WIC065-302120-
/O.EXP.KMKX.TO.W.0002.000000T0000Z-220430T2115Z/
Lafayette WI-
410 PM CDT Sat Apr 30 2022

...THE TORNADO WARNING FOR SOUTHWESTERN LAFAYETTE COUNTY WILL EXPIRE
AT 415 PM CDT...
                
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.  However small hail
is still possible with this thunderstorm.

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

LAT...LON 4251 9038 4266 9032 4263 9008 4251 9021
TIME...MOT...LOC 2110Z 201DEG 31KT 4266 9024 

$$

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, 3:51 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, 6:00 PM CDT	Tornado Warning	MKX	Rock, Walworth	30 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.