During the early afternoon hours on Monday, August 26th, thunderstorms developed rapidlyalong a thunderstorm outflow boundary in Dundy and Hitchcock counties in SW Nebraska.  Thestorms quickly intensified to severe levels, with the first report of large hail occurring at 140 pmMDT in SE Dundy County. During the next 30 minutes, reports of softball-size hail (4"diameter), 87 mph winds and a tornado were received.  For the next six hours, a small cluster ofthunderstorms approximately two counties wide continued to produce violent weather acrosswestern Kansas as the storms moved south at speeds ranging from 5 mph on the eastern extent ofthe cluster, to 50 mph on the western extent.The western edge of the thunderstorms stretched to the Kansas-Colorado border, where thestrongest straight-line wind reports were received. A 91 mph wind gust was reported at the BirdCity airport in Cheyenne County, KS at 311 pm MDT, and a 96 mph gust from the north wasmeasured by the public 4 miles east of Kanorado in Sherman County, KS at 450 pm MDT. Otherwind reports over 70 mph were received from Kit Carson and Cheyenne counties in easternColorado, and also in Wallace county, KS.Further east, much slower storm movement resulted in flash flooding across Rawlins, Thomasand Logan counties in Kansas. The city of Colby closed roads for a few hours which were madetemporarily impassible due to high water and debris. Minor wind damage was also reported inColby. Both forks of Beaver Creek rose rapidly in Rawlins county Monday evening whererainfall over 6 inches fell in a several hour period. Flood warnings were issued Monday eveningand were continued through Tuesday with flooding reported in many areas of Atwood.Some highlights across the region include:Kanorado, Kansas (SW Sherman County):  Significant and widespread tree damage occurredthroughout town. A grain dryer broke loose from a grain elevator and toppled into an electricpole, which cut power to the town for three hours. Portions of roofs were removed from anabandoned school, and from a downtown business. Several people reported seeing a brief tornadoto the north of town as the storm approached, however, the damage pattern throughout townindicated a straight-line wind event in Kanorado.                    Sharon Springs, Kansas (Wallace County):  Significant damage occurred to 3 hangars at theairport, and approximately 10 power poles were blown down one-half mile north of the airport.All debris was blown to the southwest, with structural damage occurring on the east andnortheast sides of the buildings indicating an intense straight-line wind event. In town, numerouswindows were broken on the north sides of buildings, and mostly minor tree damage was noted. Baseball-size hail (2.75" diameter) was reported several miles east of Sharon Springs.Wallace, Kansas (Wallace County):  Fifteen railroad cars were blown over. The cars wereempty, with a posted weight of 31 tons each. Nearby, two large grain bins were heavily damagedand pushed over to the south. Widespread tree and limb damage occurred in town, and numerouswindows were broken.

Thunderstorm Wind in WALLACE, KANSAS
From 26-AUG-02 17:25:00 to 26-AUG-02 17:25:00 (MST)
Location: SHARON SPGS
Magnitude: 69 E
Property damage: 3K
Reported by: TRAINED SPOTTER

Roof damage. Power poles down.

Thunderstorm Wind in WALLACE, KANSAS
From 26-AUG-02 17:30:00 to 26-AUG-02 17:30:00 (MST)
Location: SHARON SPGS
Magnitude: 87 E
Property damage: 150K
Reported by: LAW ENFORCEMENT

Power poles down, 4 buildings at airport heavily damaged.

Thunderstorm Wind in GREELEY, KANSAS
From 26-AUG-02 18:00:00 to 26-AUG-02 18:00:00 (MST)
Location: TRIBUNE
Magnitude: 74 E
Property damage: 10K
Reported by: TRAINED SPOTTER

Two grain bins damaged, several trees uprooted.

Thunderstorm Wind in GREELEY, KANSAS
From 26-AUG-02 18:10:00 to 26-AUG-02 18:10:00 (MST)
Location: TRIBUNE
Magnitude: 65 E
Property damage: 5K
Reported by: TRAINED SPOTTER

Grain bins suffered minor damage, tree knocked over.

Thunderstorm Wind in GREELEY, KANSAS
From 26-AUG-02 18:15:00 to 26-AUG-02 18:15:00 (MST)
Location: TRIBUNE
Magnitude: 60 E
Reported by: TRAINED SPOTTER

Tree limbs down, several trees uprooted.

Thunderstorm Wind in CHEYENNE, KANSAS
From 26-AUG-02 15:30:00 to 26-AUG-02 15:30:00 (MST)
Location: WHEELER
Magnitude: 56 E
Reported by: TRAINED SPOTTER

Thunderstorm Wind in SHERMAN, KANSAS
From 26-AUG-02 15:40:00 to 26-AUG-02 15:40:00 (MST)
Location: GOODLAND
Magnitude: 61 E
Reported by: TRAINED SPOTTER

Thunderstorm Wind in SHERMAN, KANSAS
From 26-AUG-02 15:50:00 to 26-AUG-02 15:50:00 (MST)
Location: GOODLAND
Magnitude: 83 M
Reported by: GENERAL PUBLIC

Thunderstorm Wind in THOMAS, KANSAS
From 26-AUG-02 16:20:00 to 26-AUG-02 16:20:00 (MST)
Location: COLBY
Magnitude: 52 E
Reported by: TRAINED SPOTTER

Thunderstorm Wind in THOMAS, KANSAS
From 26-AUG-02 16:30:00 to 26-AUG-02 16:30:00 (MST)
Location: COLBY
Magnitude: 69 E
Reported by: TRAINED SPOTTER

Hail in SHERMAN, KANSAS
From 26-AUG-02 16:30:00 to 26-AUG-02 16:30:00 (MST)
Location: GOODLAND
Magnitude: 0.88 
Reported by: NWS EMPLOYEE(OFF DUTY)

Thunderstorm Wind in SHERMAN, KANSAS
From 26-AUG-02 16:30:00 to 26-AUG-02 16:30:00 (MST)
Location: GOODLAND
Magnitude: 61 E
Reported by: NWS EMPLOYEE(OFF DUTY)

Thunderstorm Wind in THOMAS, KANSAS
From 26-AUG-02 16:34:00 to 26-AUG-02 16:34:00 (MST)
Location: LEVANT
Magnitude: 52 E
Reported by: TRAINED SPOTTER

Hail in WALLACE, KANSAS
From 26-AUG-02 16:40:00 to 26-AUG-02 16:40:00 (MST)
Location: WESKAN
Magnitude: 1.75 
Reported by: TRAINED SPOTTER

Thunderstorm Wind in WALLACE, KANSAS
From 26-AUG-02 16:40:00 to 26-AUG-02 16:40:00 (MST)
Location: WESKAN
Magnitude: 61 E
Reported by: TRAINED SPOTTER

Hail in WALLACE, KANSAS
From 26-AUG-02 16:47:00 to 26-AUG-02 16:47:00 (MST)
Location: SHARON SPGS
Magnitude: 2.75 
Reported by: GENERAL PUBLIC

Thunderstorm Wind in WALLACE, KANSAS
From 26-AUG-02 16:47:00 to 26-AUG-02 16:47:00 (MST)
Location: SHARON SPGS
Magnitude: 52 E
Reported by: GENERAL PUBLIC

Hail in WALLACE, KANSAS
From 26-AUG-02 16:50:00 to 26-AUG-02 16:50:00 (MST)
Location: SHARON SPGS
Magnitude: 1.00 
Reported by: GENERAL PUBLIC

Thunderstorm Wind in WALLACE, KANSAS
From 26-AUG-02 17:00:00 to 26-AUG-02 17:00:00 (MST)
Location: SHARON SPGS
Magnitude: 65 E
Property damage: .5K
Reported by: LAW ENFORCEMENT

Numerous windows broken in town.

Hail in GREELEY, KANSAS
From 26-AUG-02 17:07:00 to 26-AUG-02 17:07:00 (MST)
Location: TRIBUNE
Magnitude: 0.75 
Reported by: TRAINED SPOTTER

Thunderstorm Wind in THOMAS, KANSAS
From 26-AUG-02 17:08:00 to 26-AUG-02 17:08:00 (MST)
Location: LEVANT
Magnitude: 58 M
Reported by: TRAINED SPOTTER

Thunderstorm Wind in THOMAS, KANSAS
From 26-AUG-02 17:10:00 to 26-AUG-02 17:10:00 (MST)
Location: MINGO
Magnitude: 52 E
Reported by: TRAINED SPOTTER

Thunderstorm Wind in LOGAN, KANSAS
From 26-AUG-02 17:15:00 to 26-AUG-02 17:15:00 (MST)
Location: OAKLEY
Magnitude: 52 E
Reported by: EMERGENCY MANAGER

Thunderstorm Wind in LOGAN, KANSAS
From 26-AUG-02 17:25:00 to 26-AUG-02 17:25:00 (MST)
Location: OAKLEY
Magnitude: 52 E
Reported by: TRAINED SPOTTER

Flash Flood in WALLACE, KANSAS
From 26-AUG-02 17:00:00 to 26-AUG-02 19:00:00 (MST)
Location: SHARON SPGS
Reported by: LAW ENFORCEMENT

Numerous roads underwater.

Hail in WALLACE, KANSAS
From 26-AUG-02 16:50:00 to 26-AUG-02 16:50:00 (MST)
Location: SHARON SPGS
Magnitude: 1.25 
Reported by: TRAINED SPOTTER

Thunderstorm Wind in WALLACE, KANSAS
From 26-AUG-02 16:50:00 to 26-AUG-02 16:50:00 (MST)
Location: SHARON SPGS
Magnitude: 65 E
Reported by: TRAINED SPOTTER

5-inch tree limbs down.

Hail in WALLACE, KANSAS
From 26-AUG-02 16:55:00 to 26-AUG-02 16:55:00 (MST)
Location: WALLACE
Magnitude: 1.75 
Reported by: TRAINED SPOTTER

Hail in GREELEY, KANSAS
From 26-AUG-02 16:57:00 to 26-AUG-02 16:57:00 (MST)
Location: TRIBUNE
Magnitude: 1.75 
Reported by: TRAINED SPOTTER

Flood in RAWLINS, KANSAS
From 26-AUG-02 17:00:00 to 27-AUG-02 17:00:00 (MST)
Reported by: EMERGENCY MANAGER

Both forks of Beaver Creek out of their banks at Atwood. Bridges washed out.

Thunderstorm Wind in WALLACE, KANSAS
From 26-AUG-02 17:00:00 to 26-AUG-02 17:00:00 (MST)
Location: WALLACE
Magnitude: 87 E
Property damage: 100K
Reported by: LAW ENFORCEMENT

Fifteen empty rail cars overturned. Power lines down, grain bins overturned, significant damage to mobile home.

Hail in WALLACE, KANSAS
From 26-AUG-02 17:00:00 to 26-AUG-02 17:00:00 (MST)
Location: SHARON SPGS
Magnitude: 1.00 
Reported by: TRAINED SPOTTER

Thunderstorm Wind in SHERMAN, KANSAS
From 26-AUG-02 15:50:00 to 26-AUG-02 15:50:00 (MST)
Location: KANORADO
Magnitude: 83 E
Property damage: 70K
Reported by: GENERAL PUBLIC

Damage to grain elevator, trees down, power poles down, roof damage to store and abandoned school.

Thunderstorm Wind in RAWLINS, KANSAS
From 26-AUG-02 14:50:00 to 26-AUG-02 14:50:00 (MST)
Location: ATWOOD
Magnitude: 69 E
Property damage: 10K
Reported by: TRAINED SPOTTER

Power lines down. Semi overturned.

Hail in RAWLINS, KANSAS
From 26-AUG-02 14:52:00 to 26-AUG-02 14:52:00 (MST)
Location: ATWOOD
Magnitude: 1.00 
Reported by: TRAINED SPOTTER

Flash Flood in RAWLINS, KANSAS
From 26-AUG-02 15:25:00 to 26-AUG-02 18:25:00 (MST)
Location: ATWOOD
Reported by: LAW ENFORCEMENT

Beaver Creek out of its banks.

Hail in SHERMAN, KANSAS
From 26-AUG-02 15:50:00 to 26-AUG-02 15:50:00 (MST)
Location: RULETON
Magnitude: 1.75 
Reported by: TRAINED SPOTTER

Thunderstorm Wind in SHERMAN, KANSAS
From 26-AUG-02 16:00:00 to 26-AUG-02 16:00:00 (MST)
Location: GOODLAND
Magnitude: 69 E
Property damage: 2.1K
Reported by: GENERAL PUBLIC

Car windows broken on Interstate-70.

Hail in SHERMAN, KANSAS
From 26-AUG-02 16:10:00 to 26-AUG-02 16:10:00 (MST)
Location: RULETON
Magnitude: 0.75 
Reported by: TRAINED SPOTTER

Thunderstorm Wind in SHERMAN, KANSAS
From 26-AUG-02 16:10:00 to 26-AUG-02 16:10:00 (MST)
Location: KANORADO
Magnitude: 69 E
Property damage: 5K
Reported by: GENERAL PUBLIC

Garage damaged, shed destroyed.

Hail in SHERMAN, KANSAS
From 26-AUG-02 16:15:00 to 26-AUG-02 16:15:00 (MST)
Location: GOODLAND
Magnitude: 1.75 
Reported by: GENERAL PUBLIC

Hail in RAWLINS, KANSAS
From 26-AUG-02 13:15:00 to 26-AUG-02 13:15:00 (MST)
Location: ACHILLES
Magnitude: 1.00 
Reported by: TRAINED SPOTTER

Thunderstorm Wind in CHEYENNE, KANSAS
From 26-AUG-02 14:11:00 to 26-AUG-02 14:11:00 (MST)
Location: BIRD CITY ARPT
Magnitude: 79 M
Property damage: 3K
Reported by: TRAINED SPOTTER

Damage to airport garage. Many tree limbs down.

Thunderstorm Wind in CHEYENNE, KANSAS
From 26-AUG-02 14:29:00 to 26-AUG-02 14:29:00 (MST)
Location: ST FRANCIS
Magnitude: 52 E
Reported by: TRAINED SPOTTER

Tornado in CHEYENNE, KANSAS
From 26-AUG-02 14:35:00 to 26-AUG-02 14:35:00 (MST)
Location: WHEELER
Tornado F-scale: F0
Reported by: AMATEUR RADIO

Brief touchdown. No known damage.

Thunderstorm Wind in CHEYENNE, KANSAS
From 26-AUG-02 14:39:00 to 26-AUG-02 14:39:00 (MST)
Location: ST FRANCIS
Magnitude: 62 M
Reported by: GENERAL PUBLIC

Flash Flood in CHEYENNE, KANSAS
From 26-AUG-02 14:40:00 to 26-AUG-02 17:40:00 (MST)
Location: BIRD CITY
Reported by: EMERGENCY MANAGER

Timber Creek rising over highway 161.

Hail in CHEYENNE, KANSAS
From 26-AUG-02 14:45:00 to 26-AUG-02 14:45:00 (MST)
Location: ST FRANCIS
Magnitude: 0.75 
Reported by: TRAINED SPOTTER