On the afternoon of April 6th, 2010 a line of storms formed along a dry line  in central Kansas.  These storms produced large hail up to golfball sized and and damaging winds near 70 mph across the area. By 4:00 pm the line of storms moved into east central Kansas and affected Lawrence.  Severe winds ripped through the northern portions of town causing significant damage to some of the neighborhoods along and north of 6th Street.  The Lawrence Airport ASOS reported a wind gust of 68 mph at 4:39 pm.  No structures were reported as being damaged, however, many trees greater than 24 inches in diameter were snapped as a result of the strong winds.  After the winds left the area heavy rain affected Lawrence for a couple hours thereafter and caused minor street flooding.

Hail in JEFFERSON, KANSAS
From 06-APR-10 15:15:00 to 06-APR-10 15:15:00 (CST-6)
Location: PERRY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in OSAGE, KANSAS
From 06-APR-10 15:15:00 to 06-APR-10 15:15:00 (CST-6)
Location: OVERBROOK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in OSAGE, KANSAS
From 06-APR-10 15:29:00 to 06-APR-10 15:29:00 (CST-6)
Location: PETERTON
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DOUGLAS, KANSAS
From 06-APR-10 15:35:00 to 06-APR-10 15:35:00 (CST-6)
Location: LAWRENCE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DOUGLAS, KANSAS
From 06-APR-10 15:37:00 to 06-APR-10 15:37:00 (CST-6)
Location: MIDLAND
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in JEFFERSON, KANSAS
From 06-APR-10 15:23:00 to 06-APR-10 15:23:00 (CST-6)
Location: MC LOUTH
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Hail in DOUGLAS, KANSAS
From 06-APR-10 15:25:00 to 06-APR-10 15:25:00 (CST-6)
Location: CLINTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in OSAGE, KANSAS
From 06-APR-10 14:58:00 to 06-APR-10 14:58:00 (CST-6)
Location: PETERTON
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in OSAGE, KANSAS
From 06-APR-10 14:58:00 to 06-APR-10 14:58:00 (CST-6)
Location: LYNDON POMONA LK ARP
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Strong winds of 40 to 50 mph caused blowing hail.

Hail in OSAGE, KANSAS
From 06-APR-10 15:00:00 to 06-APR-10 15:00:00 (CST-6)
Location: BURLINGAME
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in OSAGE, KANSAS
From 06-APR-10 14:48:00 to 06-APR-10 14:48:00 (CST-6)
Location: BURLINGAME
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in OSAGE, KANSAS
From 06-APR-10 15:10:00 to 06-APR-10 15:10:00 (CST-6)
Location: OVERBROOK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Hail in OSAGE, KANSAS
From 06-APR-10 14:54:00 to 06-APR-10 14:54:00 (CST-6)
Location: PETERTON
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in OSAGE, KANSAS
From 06-APR-10 14:57:00 to 06-APR-10 14:57:00 (CST-6)
Location: OSAGE CITY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in OSAGE, KANSAS
From 06-APR-10 14:57:00 to 06-APR-10 14:57:00 (CST-6)
Location: OVERBROOK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LYON, KANSAS
From 06-APR-10 14:15:00 to 06-APR-10 14:15:00 (CST-6)
Location: ALLEN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LYON, KANSAS
From 06-APR-10 14:31:00 to 06-APR-10 14:31:00 (CST-6)
Location: PLYMOUTH
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LYON, KANSAS
From 06-APR-10 14:22:00 to 06-APR-10 14:22:00 (CST-6)
Location: ADMIRE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in DOUGLAS, KANSAS
From 06-APR-10 15:30:00 to 06-APR-10 15:40:00 (CST-6)
Location: LAWRENCE
Magnitude: 59.00 MG
Reported by: ASOS

An off duty NWS employee discovered widespread tree damage along a strong wind gust path through Lawrence.  Many trees were snapped, the largest of which was approximately 30 inches in diameter.  This tree was located in the parking lot of Lawrence Memorial Hospital.  The Lawrence ASOS, located on the far northeastern portion of town reported a 68 mph wind gust.

Hail in OSAGE, KANSAS
From 06-APR-10 14:44:00 to 06-APR-10 14:44:00 (CST-6)
Location: BURLINGAME
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Hail in COFFEY, KANSAS
From 06-APR-10 18:55:00 to 06-APR-10 18:55:00 (CST-6)
Location: OTTUMWA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in DOUGLAS, KANSAS
From 06-APR-10 15:30:00 to 06-APR-10 15:32:00 (CST-6)
Location: LAWRENCE
Magnitude: 52.00 EG
Crop damage: 0.00K
Reported by: Trained Spotter

A soccer goal was blown ten yards into the adjoining field. Time was estimated.

Hail in ANDERSON, KANSAS
From 06-APR-10 19:59:00 to 06-APR-10 19:59:00 (CST-6)
Location: COLONY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in JEFFERSON, KANSAS
From 06-APR-10 15:28:00 to 06-APR-10 15:28:00 (CST-6)
Location: MC LOUTH
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The emergency manager also estimated a 55 mph wind gust at the same location.

Hail in LYON, KANSAS
From 06-APR-10 14:09:00 to 06-APR-10 14:09:00 (CST-6)
Location: PLYMOUTH
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

The hail was reported at the junction of Road C and 240.

Thunderstorm Wind in LYON, KANSAS
From 06-APR-10 17:55:00 to 06-APR-10 17:57:00 (CST-6)
Location: OLPE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter near Olpe reported an estimated 60 mph wind gust.

Hail in LYON, KANSAS
From 06-APR-10 18:08:00 to 06-APR-10 18:08:00 (CST-6)
Location: OLPE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in JEFFERSON, KANSAS
From 06-APR-10 15:35:00 to 06-APR-10 15:37:00 (CST-6)
Location: MC LOUTH ARPT
Magnitude: 52.00 EG
Crop damage: 0.00K
Reported by: Trained Spotter

A 4 inch tree limb was snapped off of a tree. Time was estimated.

Hail in COFFEY, KANSAS
From 06-APR-10 18:48:00 to 06-APR-10 18:48:00 (CST-6)
Location: STRAWN
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in OSAGE, KANSAS
From 06-APR-10 15:18:00 to 06-APR-10 15:20:00 (CST-6)
Location: CARBONDALE
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

A 30 foot tall tree 13 inches in diameter was blown down across the road.

Hail in OSAGE, KANSAS
From 06-APR-10 16:04:00 to 06-APR-10 16:04:00 (CST-6)
Location: OSAGE CITY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in DOUGLAS, KANSAS
From 06-APR-10 15:37:00 to 06-APR-10 15:39:00 (CST-6)
Location: LAWRENCE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

An emergency manager near Lawrence reported an estimated 60 mph wind gust.

Thunderstorm Wind in DOUGLAS, KANSAS
From 06-APR-10 15:35:00 to 06-APR-10 15:37:00 (CST-6)
Location: LAWRENCE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported an estimated 60 mph wind gust near Lawrence.

Thunderstorm Wind in OSAGE, KANSAS
From 06-APR-10 14:44:00 to 06-APR-10 14:46:00 (CST-6)
Location: BURLINGAME
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

A storm chaser near Burlingame reported an estimated 60 mph wind gust.

Thunderstorm Wind in OSAGE, KANSAS
From 06-APR-10 14:58:00 to 06-APR-10 15:00:00 (CST-6)
Location: PETERTON
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter near Burlingame reported an estimated 70 mph wind gust.

Thunderstorm Wind in DOUGLAS, KANSAS
From 06-APR-10 15:39:00 to 06-APR-10 15:41:00 (CST-6)
Location: LAWRENCE
Magnitude: 59.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The Lawrence Municipal Airport ASOS machine reported a 68 mph wind gust.

Thunderstorm Wind in JEFFERSON, KANSAS
From 06-APR-10 15:15:00 to 06-APR-10 15:17:00 (CST-6)
Location: WILLIAMSTOWN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

An emergency manager near Perry reported an estimated 60 mph wind gust.

Thunderstorm Wind in JEFFERSON, KANSAS
From 06-APR-10 15:15:00 to 06-APR-10 15:17:00 (CST-6)
Location: PERRY
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

An emergency manager reported an estimated 60 mph wind gust near Perry.

Thunderstorm Wind in DOUGLAS, KANSAS
From 06-APR-10 15:32:00 to 06-APR-10 15:34:00 (CST-6)
Location: LAWRENCE
Magnitude: 56.00 EG
Crop damage: 0.00K
Reported by: NWS Employee

An off duty NWS employee reported a tree 9 inches in diameter snapped near 6th Street and Iowa Street in Lawrence.

Thunderstorm Wind in DOUGLAS, KANSAS
From 06-APR-10 15:32:00 to 06-APR-10 15:34:00 (CST-6)
Location: LAWRENCE
Magnitude: 52.00 EG
Crop damage: 0.00K
Reported by: Emergency Manager

This was a delayed report.  A power line was down at 6th Street and Maine Street as well as 25th Street and Iowa Street in lawrence.  A tree was down near 8th and Alabama.

Thunderstorm Wind in OSAGE, KANSAS
From 06-APR-10 15:25:00 to 06-APR-10 15:27:00 (CST-6)
Location: CARBONDALE
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

A 30 foot tall tree 13 inches in diameter was blown down across the road.

Hail in LYON, KANSAS
From 06-APR-10 17:55:00 to 06-APR-10 17:55:00 (CST-6)
Location: OLPE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter