Severe thunderstorms developed during the afternoon and evening hours of May  10th, 2010, ahead of an approaching dry line and warm front.  This dynamic environment coupled with an unstable airmass led to the development of thunderstorms to the west and south of Wichita, Kansas with tornado producing supercells moving across portions of South Central Kansas. Two supercells in particular produced significant damage across portions of Kingman, Sedgwick and Cowley counties with some of the damage classified as EF-2 damage by survey teams.

Tornado in SUMNER, KANSAS
From 10-MAY-10 15:30:00 to 10-MAY-10 15:34:00 (CST-6)
Location: HUNNEWELL
Tornado F-scale: EF1
Property damage: 125.00K
Reported by: Emergency Manager

Two semi tractor trailers were blown off of the Kansas Turnpike right at the state line as the tornado crossed the interstate. The overturned semi's temporarily closed Interstate 35 for a short time as they blocked traffic in both directions.  The tornado also caused significant tree damage as it moved northeast into rural Sumner County, Kansas.

Tornado in KINGMAN, KANSAS
From 10-MAY-10 15:44:00 to 10-MAY-10 15:49:00 (CST-6)
Location: NORWICH
Tornado F-scale: EF1
Reported by: Law Enforcement

Tornado damage was limited to trees.

Tornado in SEDGWICK, KANSAS
From 10-MAY-10 15:58:00 to 10-MAY-10 16:07:00 (CST-6)
Location: GARDEN PLAIN
Tornado F-scale: EF1
Property damage: 50.00K
Reported by: Amateur Radio

Tornado mainly caused damage to trees, however, a few shingles were blown off of homes in and around the tornado path.

Tornado in ELK, KANSAS
From 10-MAY-10 16:28:00 to 10-MAY-10 16:30:00 (CST-6)
Location: GRENOLA
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The tornado briefly touched down in a pasture and caused no damage.

Hail in KINGMAN, KANSAS
From 10-MAY-10 14:32:00 to 10-MAY-10 14:32:00 (CST-6)
Location: NASHVILLE
Magnitude: 0.75 
Reported by: Trained Spotter

Thunderstorm Wind in WILSON, KANSAS
From 10-MAY-10 18:15:00 to 10-MAY-10 18:15:00 (CST-6)
Location: COYVILLE
Magnitude: 52.00 EG
Property damage: 10.00K
Reported by: Emergency Manager

Several outbuildings were damaged by strong downburst winds.

Thunderstorm Wind in NEOSHO, KANSAS
From 10-MAY-10 18:30:00 to 10-MAY-10 18:30:00 (CST-6)
Location: (CNU)JOHNSON ARPT CH
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Flood in SEDGWICK, KANSAS
From 10-MAY-10 16:12:00 to 10-MAY-10 17:12:00 (CST-6)
Location: GODDARD
Flood cause: Heavy Rain
Property damage: 0.10K
Crop damage: 0.10K
Reported by: Amateur Radio

Minor street flooding occurred around the lake.

Thunderstorm Wind in COWLEY, KANSAS
From 10-MAY-10 15:55:00 to 10-MAY-10 15:55:00 (CST-6)
Location: ARKANSAS CITY
Magnitude: 55.00 MG
Reported by: Emergency Manager

Funnel Cloud in SEDGWICK, KANSAS
From 10-MAY-10 16:16:00 to 10-MAY-10 16:16:00 (CST-6)
Location: (ICT)WICHITA ARPT
Reported by: Official NWS Observations

Observer at the airport reported seeing a funnel cloud near the airport.

Thunderstorm Wind in COWLEY, KANSAS
From 10-MAY-10 17:29:00 to 10-MAY-10 17:29:00 (CST-6)
Location: DEXTER
Magnitude: 55.00 MG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Some trees were knocked down by the gusts.

Hail in GREENWOOD, KANSAS
From 10-MAY-10 17:35:00 to 10-MAY-10 17:35:00 (CST-6)
Location: EUREKA
Magnitude: 1.00 
Reported by: Trained Spotter

The hail was accompanied by 65 to 70 mph wind gusts.

Thunderstorm Wind in GREENWOOD, KANSAS
From 10-MAY-10 17:35:00 to 10-MAY-10 17:35:00 (CST-6)
Location: EUREKA
Magnitude: 61.00 EG
Reported by: Trained Spotter

The strong winds were accompanied by one inch hail.

Thunderstorm Wind in WOODSON, KANSAS
From 10-MAY-10 18:26:00 to 10-MAY-10 18:26:00 (CST-6)
Location: YATES CENTER
Magnitude: 61.00 EG
Property damage: 5.00K
Reported by: Emergency Manager

Some minor property damage was reported with the strong winds.

Hail in WILSON, KANSAS
From 10-MAY-10 18:12:00 to 10-MAY-10 18:12:00 (CST-6)
Location: FREDONIA
Magnitude: 1.00 
Reported by: Trained Spotter

Trees were also knocked down from estimted 60 mph winds.

Thunderstorm Wind in WILSON, KANSAS
From 10-MAY-10 18:12:00 to 10-MAY-10 18:23:00 (CST-6)
Location: FREDONIA
Magnitude: 52.00 EG
Property damage: 15.00K
Reported by: Trained Spotter

Several trees were knocked down across town. A few powerlines were also knocked down.

Thunderstorm Wind in GREENWOOD, KANSAS
From 10-MAY-10 17:38:00 to 10-MAY-10 17:38:00 (CST-6)
Location: MADISON
Magnitude: 52.00 EG
Reported by: Trained Spotter

A trained spotter reported the gust.

Thunderstorm Wind in WILSON, KANSAS
From 10-MAY-10 18:15:00 to 10-MAY-10 18:15:00 (CST-6)
Location: FREDONIA
Magnitude: 52.00 EG
Property damage: 10.00K
Reported by: Emergency Manager

Several trees were reported knocked down across town, along with several powerlines.

Hail in BUTLER, KANSAS
From 10-MAY-10 17:09:00 to 10-MAY-10 17:09:00 (CST-6)
Location: POTWIN
Magnitude: 1.00 
Reported by: Law Enforcement

Wind gusts to 55 mph were also reported.

Hail in BUTLER, KANSAS
From 10-MAY-10 17:12:00 to 10-MAY-10 17:12:00 (CST-6)
Location: LEON
Magnitude: 1.25 
Reported by: Law Enforcement

Thunderstorm Wind in SEDGWICK, KANSAS
From 10-MAY-10 16:12:00 to 10-MAY-10 16:12:00 (CST-6)
Location: GODDARD
Magnitude: 52.00 EG
Reported by: Amateur Radio

Amatuer radio estimated a wind gust to 60 mph.

Hail in BUTLER, KANSAS
From 10-MAY-10 17:21:00 to 10-MAY-10 17:21:00 (CST-6)
Location: ROSALIA
Magnitude: 1.00 
Reported by: Trained Spotter

Thunderstorm Wind in BUTLER, KANSAS
From 10-MAY-10 17:21:00 to 10-MAY-10 17:21:00 (CST-6)
Location: EL DORADO
Magnitude: 61.00 EG
Reported by: Law Enforcement

Law enforcement estimated 70 mph winds in town.

Hail in GREENWOOD, KANSAS
From 10-MAY-10 17:27:00 to 10-MAY-10 17:27:00 (CST-6)
Location: REECE
Magnitude: 1.00 
Reported by: Trained Spotter

Thunderstorm Wind in GREENWOOD, KANSAS
From 10-MAY-10 17:38:00 to 10-MAY-10 17:38:00 (CST-6)
Location: EUREKA ARPT
Magnitude: 61.00 EG
Reported by: Trained Spotter

An inch of rain also fell in 15 minutes.

Thunderstorm Wind in CHAUTAUQUA, KANSAS
From 10-MAY-10 17:53:00 to 10-MAY-10 17:53:00 (CST-6)
Location: SEDAN
Magnitude: 70.00 EG
Property damage: 5.00K
Reported by: Amateur Radio

Some tree limbs were knocked down.

Thunderstorm Wind in WOODSON, KANSAS
From 10-MAY-10 18:04:00 to 10-MAY-10 18:04:00 (CST-6)
Location: YATES CENTER
Magnitude: 61.00 EG
Reported by: Emergency Manager

The strong winds were accompanied by dime size hail.

Hail in WOODSON, KANSAS
From 10-MAY-10 18:04:00 to 10-MAY-10 18:04:00 (CST-6)
Location: YATES CENTER
Magnitude: 0.88 
Reported by: Emergency Manager

The hail was accompanied by estimated 70 mph winds.

Hail in KINGMAN, KANSAS
From 10-MAY-10 15:20:00 to 10-MAY-10 15:20:00 (CST-6)
Location: SPIVEY
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in KINGMAN, KANSAS
From 10-MAY-10 15:25:00 to 10-MAY-10 15:25:00 (CST-6)
Location: SPIVEY
Magnitude: 1.00 
Reported by: Law Enforcement

Hail in KINGMAN, KANSAS
From 10-MAY-10 15:27:00 to 10-MAY-10 15:27:00 (CST-6)
Location: RAGO
Magnitude: 1.75 
Reported by: Law Enforcement

Hail in KINGMAN, KANSAS
From 10-MAY-10 15:45:00 to 10-MAY-10 15:45:00 (CST-6)
Location: MURDOCK
Magnitude: 1.75 
Reported by: Law Enforcement

Sixty mph winds were also reported along with the hail.

Thunderstorm Wind in KINGMAN, KANSAS
From 10-MAY-10 15:45:00 to 10-MAY-10 15:45:00 (CST-6)
Location: MURDOCK
Magnitude: 52.00 EG
Reported by: Law Enforcement

Golf Ball sized hail also accompanied the large hail.

Hail in SEDGWICK, KANSAS
From 10-MAY-10 16:26:00 to 10-MAY-10 16:26:00 (CST-6)
Location: DERBY
Magnitude: 0.88 
Reported by: Public

Hail in BARTON, KANSAS
From 10-MAY-10 16:07:00 to 10-MAY-10 16:07:00 (CST-6)
Location: GREAT BEND
Magnitude: 1.75 
Reported by: Law Enforcement

Hail in BUTLER, KANSAS
From 10-MAY-10 16:10:00 to 10-MAY-10 16:10:00 (CST-6)
Location: ANDOVER
Magnitude: 0.88 
Reported by: Emergency Manager

Hail in BUTLER, KANSAS
From 10-MAY-10 16:12:00 to 10-MAY-10 16:12:00 (CST-6)
Location: ANDOVER
Magnitude: 0.75 
Reported by: Trained Spotter

Hail in BUTLER, KANSAS
From 10-MAY-10 16:20:00 to 10-MAY-10 16:20:00 (CST-6)
Location: ANDOVER
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in SEDGWICK, KANSAS
From 10-MAY-10 16:46:00 to 10-MAY-10 16:46:00 (CST-6)
Location: HAYSVILLE
Magnitude: 1.00 
Reported by: Amateur Radio

Thunderstorm Wind in KINGMAN, KANSAS
From 10-MAY-10 16:05:00 to 10-MAY-10 16:05:00 (CST-6)
Location: MURDOCK
Magnitude: 52.00 EG
Property damage: 5.00K
Reported by: Law Enforcement

Trees were knocked down.

Hail in RICE, KANSAS
From 10-MAY-10 16:52:00 to 10-MAY-10 16:52:00 (CST-6)
Location: ALDEN
Magnitude: 0.88 
Reported by: Trained Spotter

Hail in BUTLER, KANSAS
From 10-MAY-10 17:05:00 to 10-MAY-10 17:05:00 (CST-6)
Location: AUGUSTA
Magnitude: 1.00 
Reported by: Law Enforcement

The hail was accompanied by 50 mph winds.

Hail in KINGMAN, KANSAS
From 10-MAY-10 14:30:00 to 10-MAY-10 14:30:00 (CST-6)
Location: NASHVILLE
Magnitude: 2.50 
Reported by: Trained Spotter

Thunderstorm Wind in COWLEY, KANSAS
From 10-MAY-10 15:55:00 to 10-MAY-10 15:55:00 (CST-6)
Location: WINFIELD
Magnitude: 52.00 EG
Reported by: Emergency Manager

The emergency manager estimated the wind gusts at the emergency operations center.

Hail in HARPER, KANSAS
From 10-MAY-10 14:48:00 to 10-MAY-10 14:48:00 (CST-6)
Location: BLUFF CITY
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in KINGMAN, KANSAS
From 10-MAY-10 14:49:00 to 10-MAY-10 14:49:00 (CST-6)
Location: PENALOSA
Magnitude: 1.00 
Reported by: Public

Hail in SUMNER, KANSAS
From 10-MAY-10 15:06:00 to 10-MAY-10 15:06:00 (CST-6)
Location: CALDWELL
Magnitude: 1.00 
Reported by: Emergency Manager

Hail in RUSSELL, KANSAS
From 10-MAY-10 16:00:00 to 10-MAY-10 16:00:00 (CST-6)
Location: MILBERGER
Magnitude: 1.00 
Reported by: Trained Spotter

Tornado in KINGMAN, KANSAS
From 10-MAY-10 15:12:00 to 10-MAY-10 15:15:00 (CST-6)
Location: ZENDA
Tornado F-scale: EF0
Reported by: Law Enforcement

The tornado cycled very rapidly from a rope state to the classic tornado shape.  The tornado moved over open country and caused no damage.

Thunderstorm Wind in KINGMAN, KANSAS
From 10-MAY-10 15:45:00 to 10-MAY-10 15:45:00 (CST-6)
Location: NORWICH
Magnitude: 87.00 EG
Reported by: Law Enforcement

Winds from the rear flank downdraft of a supercell were reported at 75 to 100 mph.

Thunderstorm Wind in KINGMAN, KANSAS
From 10-MAY-10 15:52:00 to 10-MAY-10 15:52:00 (CST-6)
Location: NORWICH
Magnitude: 52.00 EG
Property damage: 10.00K
Reported by: Law Enforcement

Tree were reported down along Kansas Highway 42.

Thunderstorm Wind in KINGMAN, KANSAS
From 10-MAY-10 15:47:00 to 10-MAY-10 15:47:00 (CST-6)
Location: NORWICH
Magnitude: 70.00 EG
Reported by: Trained Spotter

A trained spotter estimated 80 mph winds.

Hail in SEDGWICK, KANSAS
From 10-MAY-10 15:53:00 to 10-MAY-10 15:53:00 (CST-6)
Location: CHENEY
Magnitude: 1.00 
Reported by: Trained Spotter

Thunderstorm Wind in LABETTE, KANSAS
From 10-MAY-10 18:25:00 to 10-MAY-10 18:28:00 (CST-6)
Location: VALEDA
Magnitude: 61.00 EG
Property damage: 5.00K
Reported by: Newspaper

Trees were knocked down across town.  One tree, almost 2 feet in diameter, fell in the front yard of one home breaking the privacy fence and smashing the bird bath.  Glass windows were broken out of the steeple at the nearby church.

Thunderstorm Wind in BUTLER, KANSAS
From 10-MAY-10 17:21:00 to 10-MAY-10 17:21:00 (CST-6)
Location: DOUGLASS
Magnitude: 61.00 EG
Property damage: 10.00K
Reported by: Emergency Manager

Two to four inch diameter trees were reported down.

Hail in KINGMAN, KANSAS
From 10-MAY-10 15:42:00 to 10-MAY-10 15:42:00 (CST-6)
Location: KINGMAN MUNI ARPT
Magnitude: 1.75 
Reported by: Trained Spotter

Tornado in COWLEY, KANSAS
From 10-MAY-10 16:08:00 to 10-MAY-10 16:10:00 (CST-6)
Location: ARKANSAS CITY
Tornado F-scale: EF1
Property damage: 15.00K
Reported by: NWS Storm Survey

The tornado primarily caused damage to trees in the area, but also damaged 3 outbuildings at a farmstead. The primary residence at the farm was left untouched.  One roof of a mobile home sustained minor damage as well.

Thunderstorm Wind in SEDGWICK, KANSAS
From 10-MAY-10 15:52:00 to 10-MAY-10 15:52:00 (CST-6)
Location: CHENEY
Magnitude: 52.00 EG
Property damage: 5.00K
Reported by: Trained Spotter

A trained spotter reported 60 mph winds in Cheney. The strong winds also knocked down power lines, which kept some homes in the dark for two to three hours.

Tornado in KINGMAN, KANSAS
From 10-MAY-10 15:34:00 to 10-MAY-10 15:42:00 (CST-6)
Location: RAGO
Tornado F-scale: EF2
Property damage: 125.00K
Reported by: Trained Spotter

The tornado touched down and caused some damage to a barn and some trees limbs were partially torn off.  As the tornado continued to move to the northeast more significant damage occurred.  A house was damaged with the roof being torn off of a house with 2 exterior walls being blown out (EF2 damage). Two garages were also destroyed and a riding lawnmower was removed from the garage and moved 100 yards downstream. Three people took shelter from the tornado in the basement and were unharmed.

Hail in KINGMAN, KANSAS
From 10-MAY-10 15:23:00 to 10-MAY-10 15:23:00 (CST-6)
Location: KINGMAN
Magnitude: 1.75 
Reported by: Law Enforcement

Tornado in COWLEY, KANSAS
From 10-MAY-10 15:49:00 to 10-MAY-10 15:58:00 (CST-6)
Location: ARKANSAS CITY
Tornado F-scale: EF1
Property damage: 200.00K
Reported by: Trained Spotter

The tornado caused damage to a storage shed and peeled back several roofs.  One roof that was peeled back was to a bait shop, one wall was also partially collapsed.

Thunderstorm Wind in WOODSON, KANSAS
From 10-MAY-10 18:23:00 to 10-MAY-10 18:23:00 (CST-6)
Location: NEOSHO FALLS
Magnitude: 56.00 EG
Reported by: Emergency Manager

The emergency manager reported the gust.