An upper level disturbance passed across the area during peak daytime heating.  The unstable air, the upper disturbance, and a dew point boundary contributed to the development of thunderstorms that produced large hail and a funnel cloud in east central Wisconsin.  Quite a bit of quarter to walnut size hail fell in and near Appleton, and there was even some golf ball to nearly tennis ball size hail.

Hail in OUTAGAMIE, WISCONSIN
From 17-JUN-13 14:30:00 to 17-JUN-13 14:30:00 (CST-6)
Location: KIMBERLY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorms produced quarter size hail as they moved through the Kimberly area.

Hail in WAUPACA, WISCONSIN
From 17-JUN-13 15:16:00 to 17-JUN-13 15:16:00 (CST-6)
Location: NORTHPORT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorms produced hail up to quarter size between Royalton and Northport.

Hail in OUTAGAMIE, WISCONSIN
From 17-JUN-13 15:53:00 to 17-JUN-13 15:53:00 (CST-6)
Location: APPLETON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorms produced penny size hail at College Avenue and Lynndale Drive in Appleton.

Hail in OUTAGAMIE, WISCONSIN
From 17-JUN-13 16:03:00 to 17-JUN-13 16:03:00 (CST-6)
Location: APPLETON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorms produced quarter size hail at College Avenue and Matthias Street in Appleton.

Hail in CALUMET, WISCONSIN
From 17-JUN-13 16:12:00 to 17-JUN-13 16:12:00 (CST-6)
Location: HIGH CLIFF JCT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorms produced quarter size hail northeast of Sherwood.

Hail in OUTAGAMIE, WISCONSIN
From 17-JUN-13 14:21:00 to 17-JUN-13 14:21:00 (CST-6)
Location: GREENVILLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorms produced quarter size hail around the Town of Grand Chute.

Hail in OUTAGAMIE, WISCONSIN
From 17-JUN-13 14:25:00 to 17-JUN-13 14:25:00 (CST-6)
Location: APPLETON
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorms produced walnut size hail in Appleton.

Hail in OUTAGAMIE, WISCONSIN
From 17-JUN-13 16:00:00 to 17-JUN-13 16:00:00 (CST-6)
Location: APPLETON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorms produced quarter size hail at Wisconsin Avenue and Mason Street in Appleton.

Hail in OUTAGAMIE, WISCONSIN
From 17-JUN-13 14:23:00 to 17-JUN-13 14:23:00 (CST-6)
Location: APPLETON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Thunderstorms produced quarter size hail in Appleton.

Funnel Cloud in OUTAGAMIE, WISCONSIN
From 17-JUN-13 14:15:00 to 17-JUN-13 14:15:00 (CST-6)
Location: KIMBERLY
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A funnel cloud was spotted over Kimberly by a former NWS employee.

Hail in OUTAGAMIE, WISCONSIN
From 17-JUN-13 16:01:00 to 17-JUN-13 16:01:00 (CST-6)
Location: APPLETON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Unknown

Penny size hail fell in Appleton.

Hail in SHAWANO, WISCONSIN
From 17-JUN-13 13:18:00 to 17-JUN-13 13:18:00 (CST-6)
Location: MATTOON
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A thunderstorm produced half dollar size hail as it passed southwest of Mattoon.

Hail in OUTAGAMIE, WISCONSIN
From 17-JUN-13 13:56:00 to 17-JUN-13 13:56:00 (CST-6)
Location: NEW LONDON
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A thunderstorm produced golf ball size hail as it passed between New London and Shiocton.

Hail in OUTAGAMIE, WISCONSIN
From 17-JUN-13 13:57:00 to 17-JUN-13 13:57:00 (CST-6)
Location: HORTONVILLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

A thunderstorm dropped quarter size hail as it passed between Stephensville and Hortonville.

Hail in OUTAGAMIE, WISCONSIN
From 17-JUN-13 14:20:00 to 17-JUN-13 14:20:00 (CST-6)
Location: APPLETON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A thunderstorm produced quarter size hail at the Fox River Mall in the Town of Grand Chute.

Hail in OUTAGAMIE, WISCONSIN
From 17-JUN-13 14:24:00 to 17-JUN-13 14:24:00 (CST-6)
Location: APPLETON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorms produced quarter size hail in Appleton.

Hail in OUTAGAMIE, WISCONSIN
From 17-JUN-13 14:25:00 to 17-JUN-13 14:25:00 (CST-6)
Location: KIMBERLY
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorms produced half dollar size hail west of Little Chute.

Hail in OUTAGAMIE, WISCONSIN
From 17-JUN-13 14:26:00 to 17-JUN-13 14:26:00 (CST-6)
Location: APPLETON
Magnitude: 2.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorms produced hail that was slightly smaller than tennis ball size as they passed through Appleton.  The time of this event is estimated based on radar data.

Hail in OUTAGAMIE, WISCONSIN
From 17-JUN-13 14:03:00 to 17-JUN-13 14:03:00 (CST-6)
Location: STEPHENSVILLE
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

A thunderstorm produced lime size hail as it passed near Stephensville.

Hail in OUTAGAMIE, WISCONSIN
From 17-JUN-13 14:31:00 to 17-JUN-13 14:31:00 (CST-6)
Location: APPLETON
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorms produced walnut size hail at Appleton Medical Central and near the intersection of Wisconsin Avenue and Mason Street.