An upper level shortwave trough pushed south out of Canada into the northern plains during the morning hours sending a cold front south through the central plains during the afternoon hours.  Thunderstorms developed along and ahead of this front in east central Kansas during the late afternoon hours.  The strongest of these storms produced mainly quarter size to ping pong ball sized hail with a few reports of damaging outflow winds.

Thunderstorm Wind in JEFFERSON, KANSAS
From 02-JUL-08 20:31:00 to 02-JUL-08 20:31:00 (CST-6)
Location: VALLEY FALLS
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Live tree limbs around 4 inches in diameter broken off.  Spotter estimated the 70 mph wind speeds.

Thunderstorm Wind in FRANKLIN, KANSAS
From 02-JUL-08 17:58:00 to 02-JUL-08 17:58:00 (CST-6)
Location: PRINCETON
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DOUGLAS, KANSAS
From 02-JUL-08 18:00:00 to 02-JUL-08 18:00:00 (CST-6)
Location: LECOMPTON
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DOUGLAS, KANSAS
From 02-JUL-08 18:02:00 to 02-JUL-08 18:02:00 (CST-6)
Location: LAWRENCE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DOUGLAS, KANSAS
From 02-JUL-08 18:04:00 to 02-JUL-08 18:04:00 (CST-6)
Location: CLINTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in OSAGE, KANSAS
From 02-JUL-08 17:20:00 to 02-JUL-08 17:20:00 (CST-6)
Location: MELVERN
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LYON, KANSAS
From 02-JUL-08 17:25:00 to 02-JUL-08 17:25:00 (CST-6)
Location: READING
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ANDERSON, KANSAS
From 02-JUL-08 17:38:00 to 02-JUL-08 17:38:00 (CST-6)
Location: HARRIS
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in SHAWNEE, KANSAS
From 02-JUL-08 17:43:00 to 02-JUL-08 17:43:00 (CST-6)
Location: TOPEKA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several reports from trained spotters of one inch diameter hail.

Hail in SHAWNEE, KANSAS
From 02-JUL-08 17:49:00 to 02-JUL-08 17:49:00 (CST-6)
Location: TOPEKA
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in FRANKLIN, KANSAS
From 02-JUL-08 18:05:00 to 02-JUL-08 18:05:00 (CST-6)
Location: RICHMOND
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DOUGLAS, KANSAS
From 02-JUL-08 18:10:00 to 02-JUL-08 18:10:00 (CST-6)
Location: LAWRENCE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in FRANKLIN, KANSAS
From 02-JUL-08 17:58:00 to 02-JUL-08 17:58:00 (CST-6)
Location: PRINCETON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DOUGLAS, KANSAS
From 02-JUL-08 18:15:00 to 02-JUL-08 18:15:00 (CST-6)
Location: LAWRENCE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DOUGLAS, KANSAS
From 02-JUL-08 18:19:00 to 02-JUL-08 18:19:00 (CST-6)
Location: LAWRENCE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in LYON, KANSAS
From 02-JUL-08 16:05:00 to 02-JUL-08 16:05:00 (CST-6)
Location: EMPORIA
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Individual also reported 50 mph wind gusts.

Hail in LYON, KANSAS
From 02-JUL-08 16:15:00 to 02-JUL-08 16:15:00 (CST-6)
Location: EMPORIA
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in LYON, KANSAS
From 02-JUL-08 16:20:00 to 02-JUL-08 16:20:00 (CST-6)
Location: EMPORIA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A seven inch diameter live tree branch was broken off. The top of a live tree was also snapped off.

Hail in LYON, KANSAS
From 02-JUL-08 16:20:00 to 02-JUL-08 16:31:00 (CST-6)
Location: EMPORIA
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several spotters north of Emporia reported penny to nickel size hail.

Hail in OSAGE, KANSAS
From 02-JUL-08 16:50:00 to 02-JUL-08 16:50:00 (CST-6)
Location: ARVONIA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in COFFEY, KANSAS
From 02-JUL-08 16:55:00 to 02-JUL-08 16:55:00 (CST-6)
Location: LEBO
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in COFFEY, KANSAS
From 02-JUL-08 17:18:00 to 02-JUL-08 17:18:00 (CST-6)
Location: WAVERLY
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter