On the morning of Monday, August 10 a cluster of thunderstorms formed in central Kansas which organized into a bow echo around 11:00 am and produced strong winds at the surface. The hardest hit region was Dickinson and Morris counties. Numerous reports of structural damage and snapped trees were received from a widespread area, with the cities of Enterprise, White City, and Council Grove reporting roofs blown off of structures and large diameter trees snapped.  As the bow moved toward the east it produced significant tree and structural damage in the cities of Admire and Allen in Lyon County.  The storm left behind a swath of damage 20 miles wide that went from Saline County to the Kansas/Missouri border.  The storm moved out of Kansas and into Missouri around 4:30 pm.

Thunderstorm Wind in COFFEY, KANSAS
From 10-AUG-09 12:18:00 to 10-AUG-09 13:28:00 (CST-6)
Location: STRAWN
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The southern edge of the storm moved through Osage county and produced minor damage to various structures and trees. Ultimately no property damage was reported during the storm. Radar was used to estimate the path of the storm through the area.

Thunderstorm Wind in FRANKLIN, KANSAS
From 10-AUG-09 12:46:00 to 10-AUG-09 13:39:00 (CST-6)
Location: WILLIAMSBURG
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The northern end of the storm moved through Franklin county and caused only minor tree damage. Power was knocked out in the city of Princeton as a result of the storm.

Thunderstorm Wind in ANDERSON, KANSAS
From 10-AUG-09 12:46:00 to 10-AUG-09 13:50:00 (CST-6)
Location: AMIOT
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Some minor damage occurred as a result of the storm in Anderson county. The only damage that was reported out of Anderson County was a barn that was blown off of its foundation. The condition of the barn prior to the storm is not known. Numerous trees were also blown down and power was lost near the city of Garnett.

Thunderstorm Wind in LYON, KANSAS
From 10-AUG-09 11:45:00 to 10-AUG-09 12:44:00 (CST-6)
Location: BUSHONG
Magnitude: 56.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The wind event continued through Lyon county and did damage to some out buildings near the city of Allen. The city of Allen and Admire also reported many large trees and tree limbs snapped as a result of the wind. The swath of damage was around 20 miles wide, with the mid line drawn through the center of the damage path.

Thunderstorm Wind in OTTAWA, KANSAS
From 10-AUG-09 10:10:00 to 10-AUG-09 10:46:00 (CST-6)
Location: TESCOTT
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The first report from this storm as it entered Ottawa county was received at 1010 am CST from law enforcement officers. The strongest part of the storm passed to the south of Ottawa County; however; the northern extent of the bow echo feature moved through the southern half of the county. Aside from trees being reported down across the southern part of the County, namely in Tescott, damage was mostly negligible. The county reported no cost in damages from the storm as it moved through.

Thunderstorm Wind in GEARY, KANSAS
From 10-AUG-09 10:46:00 to 10-AUG-09 11:27:00 (CST-6)
Location: ALIDA
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported an estimated 70 mph winds out of Geary county. The path that the storm took through the county was determined by radar and damage to cities just south of the Geary/Morris county lines.  No damage was reported out of Geary county.

Thunderstorm Wind in OSAGE, KANSAS
From 10-AUG-09 12:23:00 to 10-AUG-09 13:20:00 (CST-6)
Location: BARCLAY
Magnitude: 70.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The main part of the wind event continued through Osage county where multiple reports of downed trees and tree limbs were received by the NWS.  Radar was primarily used to determine the path of the wind, but Local Storm Reports were very instrumental in determining the times and severity of the damage. According to the local Emergency Manager, no significant damage was caused by the storm.

Thunderstorm Wind in DICKINSON, KANSAS
From 10-AUG-09 10:40:00 to 10-AUG-09 11:27:00 (CST-6)
Location: SOLOMON
Magnitude: 78.00 EG
Crop damage: 0.00K
Reported by: NWS Storm Survey

National Weather Service Personnel conducted a storm survey of Dickinson County following the storm's passage through the area. The strongest part of the storm passed through the county during the late morning. The first damage report from the county came into the office at 1040 CST. As the storm moved through the county it produced a wide swath of damage approximately 10 miles wide. Numerous powerlines were snapped from the strong winds. For the immediate few hours after the storm passed through Dickinson county every north-south thoroughfare was blocked by the downed power lines. Spotters who had fairly extensive damage done to their property estimated the winds at 90 to 100 mph. Several outbuildings were completely destroyed by the wind. Several houses sustained minor damage to the exterior from high winds and small hail.

Thunderstorm Wind in MORRIS, KANSAS
From 10-AUG-09 11:02:00 to 10-AUG-09 12:25:00 (CST-6)
Location: LATIMER
Magnitude: 70.00 MG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

The measured wind gust of 80 mph came out of White City. The main structure of the storm moved through Morris county, producing 80 to 90 mph winds. Some structures in White City suffered major damage as a result of the wind storm. Most of these structures were pre-fabricated homes, garages, and a mobile home, which was not tied down. Windows were also broken out of permanent structures from wind and hail being thrown against the sides of the the structures. The major damage swath was about 20 miles wide with the storm track from this event being the mid line of the storm's damage path. In Council Grove, reports were received of 36 to 48 inch trees being snapped by the strong winds.  Quarter sized hail was also reported at this location.