Severe storms developed during the afternoon and early evening hours of August 11th through August 13th.  Even with the isolated nature to the convection, the storms that developed produced damaging wind gusts over very small areas, as the oppressive heat that was over the area, made conditions favorable for pulse type convection and microburst type wind events.

Thunderstorm Wind in MARION, KANSAS
From 11-AUG-10 18:15:00 to 11-AUG-10 18:15:00 (CST-6)
Location: GOESSEL
Magnitude: 52.00 EG
Property damage: 0.40K
Reported by: Trained Spotter

A trained spotter reported tree branches blown down, and leaves and walnuts blown out of the trees.

Thunderstorm Wind in MARION, KANSAS
From 11-AUG-10 18:28:00 to 11-AUG-10 18:28:00 (CST-6)
Location: PEABODY
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: Law Enforcement

An officer reported a tree blown down.

Thunderstorm Wind in RUSSELL, KANSAS
From 12-AUG-10 18:18:00 to 12-AUG-10 18:18:00 (CST-6)
Location: RUSSELL
Magnitude: 56.00 MG
Reported by: Trained Spotter

A trained spotter reported the wind gust.

Thunderstorm Wind in RUSSELL, KANSAS
From 12-AUG-10 18:27:00 to 12-AUG-10 18:27:00 (CST-6)
Location: (RSL)RUSSELL MUNI AR
Magnitude: 52.00 MG
Reported by: ASOS

Thunderstorm Wind in RUSSELL, KANSAS
From 12-AUG-10 18:30:00 to 12-AUG-10 18:30:00 (CST-6)
Location: RUSSELL
Magnitude: 70.00 EG
Property damage: 12.00K
Reported by: Trained Spotter

A trained spotter estimated the winds, causing trees and power poles to be blown down.

Thunderstorm Wind in BARTON, KANSAS
From 12-AUG-10 19:59:00 to 12-AUG-10 19:59:00 (CST-6)
Location: STICKNEY
Magnitude: 56.00 EG
Reported by: Trained Spotter

A spotter reported his vehicle was nearly blown off the road into a ditch.

Thunderstorm Wind in RUSSELL, KANSAS
From 12-AUG-10 20:17:00 to 12-AUG-10 20:17:00 (CST-6)
Location: MILBERGER
Magnitude: 52.00 EG
Reported by: Trained Spotter

A trained spotter reported the gust.

Thunderstorm Wind in MCPHERSON, KANSAS
From 13-AUG-10 15:26:00 to 13-AUG-10 15:28:00 (CST-6)
Location: MC PHERSON ARPT
Magnitude: 61.00 EG
Property damage: 2.50K
Reported by: Trained Spotter

Trained spotters reported 65 to 70 mph winds. Tree limbs were reported down across the city.

Thunderstorm Wind in MCPHERSON, KANSAS
From 13-AUG-10 15:30:00 to 13-AUG-10 15:30:00 (CST-6)
Location: MC PHERSON ARPT
Magnitude: 70.00 MG
Reported by: COOP Observer

Thunderstorm Wind in MCPHERSON, KANSAS
From 13-AUG-10 15:40:00 to 13-AUG-10 15:40:00 (CST-6)
Location: MC PHERSON
Magnitude: 61.00 EG
Property damage: 12.00K
Reported by: Law Enforcement

Multiple power lines were reported down across town.

Thunderstorm Wind in MCPHERSON, KANSAS
From 13-AUG-10 15:45:00 to 13-AUG-10 15:45:00 (CST-6)
Location: GALVA
Magnitude: 70.00 EG
Reported by: Broadcast Media

Report courtesy of KSAL radio.

Thunderstorm Wind in MCPHERSON, KANSAS
From 13-AUG-10 15:49:00 to 13-AUG-10 15:50:00 (CST-6)
Location: MC PHERSON
Magnitude: 61.00 EG
Reported by: Trained Spotter

A trained spotter estimated the winds.  Dime sized hail was also reported.

Hail in MCPHERSON, KANSAS
From 13-AUG-10 15:49:00 to 13-AUG-10 15:49:00 (CST-6)
Location: MC PHERSON
Magnitude: 0.88 
Reported by: Trained Spotter

A trained spotter also reported winds to 70 mph.

Thunderstorm Wind in MCPHERSON, KANSAS
From 13-AUG-10 15:52:00 to 13-AUG-10 15:52:00 (CST-6)
Location: MC PHERSON
Magnitude: 56.00 MG
Property damage: 14.00K
Reported by: Public

Several power lines were down across town, along with several tree limbs 2 to 5 inches in diameter. One inch hail was also reported.

Thunderstorm Wind in MCPHERSON, KANSAS
From 13-AUG-10 16:02:00 to 13-AUG-10 16:02:00 (CST-6)
Location: GALVA
Magnitude: 52.00 EG
Reported by: Trained Spotter

A trained spotter reported the wind gust.

Hail in MCPHERSON, KANSAS
From 13-AUG-10 15:52:00 to 13-AUG-10 15:52:00 (CST-6)
Location: MC PHERSON
Magnitude: 1.00 
Reported by: Public

Along with the hail, 64 mph winds were reported.

Hail in MCPHERSON, KANSAS
From 13-AUG-10 16:09:00 to 13-AUG-10 16:09:00 (CST-6)
Location: ROXBURY
Magnitude: 0.88 
Reported by: Trained Spotter

Thunderstorm Wind in MARION, KANSAS
From 13-AUG-10 16:45:00 to 13-AUG-10 16:45:00 (CST-6)
Location: DURHAM
Magnitude: 61.00 EG
Property damage: 7.00K
Reported by: Storm Chaser

Large trees were blown down, blocking the road.

Thunderstorm Wind in MARION, KANSAS
From 13-AUG-10 18:28:00 to 13-AUG-10 18:28:00 (CST-6)
Location: MARION
Magnitude: 61.00 EG
Property damage: 10.00K
Reported by: Storm Chaser

Power poles and power lines were blown down.

Thunderstorm Wind in MARION, KANSAS
From 13-AUG-10 18:48:00 to 13-AUG-10 18:48:00 (CST-6)
Location: MARION
Magnitude: 61.00 EG
Property damage: 7.50K
Reported by: Law Enforcement

One fourth of a barns roof was blown off.

Thunderstorm Wind in MARION, KANSAS
From 13-AUG-10 16:56:00 to 13-AUG-10 16:56:00 (CST-6)
Location: DURHAM
Magnitude: 61.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Power lines were reported down.

Thunderstorm Wind in MARION, KANSAS
From 13-AUG-10 17:06:00 to 13-AUG-10 17:06:00 (CST-6)
Location: DURHAM
Magnitude: 61.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Storm Chaser

A thirty inch tree was broken off about eight feet above the ground.

Thunderstorm Wind in MARION, KANSAS
From 13-AUG-10 16:56:00 to 13-AUG-10 16:56:00 (CST-6)
Location: TAMPA
Magnitude: 61.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

County dispatch reported a shed was destroyed and power lines down.

Thunderstorm Wind in MARION, KANSAS
From 13-AUG-10 18:10:00 to 13-AUG-10 18:20:00 (CST-6)
Location: MARION RES
Magnitude: 70.00 EG
Property damage: 40.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Extensive damage occurred at the Cottonwoon Point campground at Marion Lake. Three recreational vehicles were flipped over trapping a family of five and injuring 10 people overall.  Most of the injuries were cuts and bruises, but one person had to be extricated from a camper and flown to a nearby hospital.  5 people that were taken to the hospital were treated and released.  Trees were also knocked down with a carport destroyed.

Thunderstorm Wind in MCPHERSON, KANSAS
From 13-AUG-10 16:45:00 to 13-AUG-10 16:47:00 (CST-6)
Location: ROXBURY
Magnitude: 61.00 EG
Property damage: 10.00K
Reported by: Trained Spotter

A trained spotter reported 24 inch diameter trees down at the Roxbury Cemetery. Multiple branches of 16 to 18 inches in diameter blocked Smoky Valley Road.  Some minor roof damage was reported as well.

Thunderstorm Wind in MARION, KANSAS
From 13-AUG-10 16:47:00 to 13-AUG-10 16:47:00 (CST-6)
Location: TAMPA
Magnitude: 61.00 EG
Property damage: 8.00K
Reported by: Trained Spotter

A trained spotter reports multiple reports of branches down with limbs up to 12 inches in diameter. A couple of metal buildings are partially fallen over and a transformer pole was down as well.

Thunderstorm Wind in MARION, KANSAS
From 11-AUG-10 18:12:00 to 11-AUG-10 18:12:00 (CST-6)
Location: PEABODY
Magnitude: 52.00 EG
Reported by: Public

Nickel size hail was reported with the 60 mph winds.