Multiple rounds of thunderstorms moved across western Wisconsin during the afternoon and evening of May 31st. These storms developed in a complex surface pattern across the Upper Midwest as a pre-frontal surface trough, dry line and cold front all passed through the area. The storms primarily produced large hail, although a funnel cloud was sighted near Merrillan (Jackson County). The largest hail reported was half dollar sized near Independence (Trempealeau County).

Funnel Cloud in JACKSON, WISCONSIN
From 31-MAY-13 19:44:00 to 31-MAY-13 19:44:00 (CST-6)
Location: MERRILLAN
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

A funnel cloud was spotted northwest of Merrillan.

Hail in BUFFALO, WISCONSIN
From 31-MAY-13 15:06:00 to 31-MAY-13 15:06:00 (CST-6)
Location: FOUNTAIN CITY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Quarter sized hail fell north of Fountain City.

Hail in BUFFALO, WISCONSIN
From 31-MAY-13 15:01:00 to 31-MAY-13 15:01:00 (CST-6)
Location: FOUNTAIN CITY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in TREMPEALEAU, WISCONSIN
From 31-MAY-13 15:09:00 to 31-MAY-13 15:09:00 (CST-6)
Location: ELEVA
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Nickel sized hail and a 55 mph wind gust occurred just outside of Eleva.

Hail in TREMPEALEAU, WISCONSIN
From 31-MAY-13 15:30:00 to 31-MAY-13 15:30:00 (CST-6)
Location: ARCADIA ARPT
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Half dollar sized hail fell south of Independence.

Hail in TREMPEALEAU, WISCONSIN
From 31-MAY-13 15:31:00 to 31-MAY-13 15:31:00 (CST-6)
Location: INDEPENDENCE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Other Federal Agency

Quarter sized hail fell in Independence.

Hail in TREMPEALEAU, WISCONSIN
From 31-MAY-13 15:36:00 to 31-MAY-13 15:36:00 (CST-6)
Location: ELK CREEK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter sized hail fell northeast of Independence.

Hail in TREMPEALEAU, WISCONSIN
From 31-MAY-13 15:28:00 to 31-MAY-13 15:28:00 (CST-6)
Location: STRUM
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in TAYLOR, WISCONSIN
From 31-MAY-13 16:29:00 to 31-MAY-13 16:29:00 (CST-6)
Location: PERKINSTOWN
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in TAYLOR, WISCONSIN
From 31-MAY-13 16:31:00 to 31-MAY-13 16:31:00 (CST-6)
Location: PERKINSTOWN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Quarter sized hail fell east of Perkinstown.

Hail in BUFFALO, WISCONSIN
From 31-MAY-13 18:29:00 to 31-MAY-13 18:29:00 (CST-6)
Location: WAUMANDEE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Hail in TREMPEALEAU, WISCONSIN
From 31-MAY-13 18:38:00 to 31-MAY-13 18:38:00 (CST-6)
Location: ARCADIA ARPT
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Hail in TREMPEALEAU, WISCONSIN
From 31-MAY-13 19:11:00 to 31-MAY-13 19:11:00 (CST-6)
Location: PIGEON FALLS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Quarter sized hail fell in Pigeon Falls.

Hail in TREMPEALEAU, WISCONSIN
From 31-MAY-13 18:54:00 to 31-MAY-13 18:54:00 (CST-6)
Location: WHITEHALL
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement