During the late afternoon and evening hours, severe thunderstorms produced large hail and wind damage in eastern Colorado, and hail, tornadoes and flash flooding in northwestern Kansas.

Hail in DECATUR, KANSAS
From 22-MAY-07 17:35:00 to 22-MAY-07 17:35:00 (CST-6)
Location: NORCATUR
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

This report relayed via CoCoRaHS program.

Tornado in GRAHAM, KANSAS
From 22-MAY-07 18:10:00 to 22-MAY-07 18:16:00 (CST-6)
Location: HILL CITY
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

No known damage...over open fields.

Hail in GRAHAM, KANSAS
From 22-MAY-07 18:14:00 to 22-MAY-07 18:14:00 (CST-6)
Location: ST PETER
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Off duty NWS employee reports copious amounts of 2 inch hail.

Hail in GRAHAM, KANSAS
From 22-MAY-07 18:36:00 to 22-MAY-07 18:36:00 (CST-6)
Location: BOGUE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in GOVE, KANSAS
From 22-MAY-07 16:15:00 to 22-MAY-07 16:15:00 (CST-6)
Location: PARK
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Hail in SHERIDAN, KANSAS
From 22-MAY-07 16:20:00 to 22-MAY-07 16:20:00 (CST-6)
Location: TASCO
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in GOVE, KANSAS
From 22-MAY-07 16:22:00 to 22-MAY-07 16:22:00 (CST-6)
Location: QUINTER
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Hail in GRAHAM, KANSAS
From 22-MAY-07 17:10:00 to 22-MAY-07 17:10:00 (CST-6)
Location: ST PETER
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in SHERIDAN, KANSAS
From 22-MAY-07 17:15:00 to 22-MAY-07 17:15:00 (CST-6)
Location: TASCO
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in GRAHAM, KANSAS
From 22-MAY-07 17:20:00 to 22-MAY-07 17:20:00 (CST-6)
Location: ST PETER
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in GRAHAM, KANSAS
From 22-MAY-07 17:22:00 to 22-MAY-07 17:22:00 (CST-6)
Location: ST PETER
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Hail in DECATUR, KANSAS
From 22-MAY-07 17:27:00 to 22-MAY-07 17:27:00 (CST-6)
Location: NORCATUR
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in NORTON, KANSAS
From 22-MAY-07 17:27:00 to 22-MAY-07 17:27:00 (CST-6)
Location: NORTON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in GRAHAM, KANSAS
From 22-MAY-07 17:30:00 to 22-MAY-07 17:30:00 (CST-6)
Location: ST PETER
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Hail in GRAHAM, KANSAS
From 22-MAY-07 17:32:00 to 22-MAY-07 17:32:00 (CST-6)
Location: ST PETER
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Hail in GRAHAM, KANSAS
From 22-MAY-07 17:38:00 to 22-MAY-07 17:38:00 (CST-6)
Location: ST PETER
Magnitude: 2.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Flash Flood in GRAHAM, KANSAS
From 22-MAY-07 17:30:00 to 22-MAY-07 22:00:00 (CST-6)
Location: HILL CITY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Graham county Emergency Management reported several county roads flooded in the southern portion of the county.

Tornado in LOGAN, KANSAS
From 22-MAY-07 19:02:00 to 22-MAY-07 19:03:00 (CST-6)
Location: OAKLEY
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Emergency manager and law enforcement both confirmed a brief tornado about 5 miles west of Oakley.  Position estimated to be near Roads 380 and EE.  No known damage...over open fields.

Tornado in SHERIDAN, KANSAS
From 22-MAY-07 19:23:00 to 22-MAY-07 19:24:00 (CST-6)
Location: ANGELUS
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Brief tornado, report relayed by Sheridan county sheriff office. Time of original report adjusted slightly based on Doppler radar signature.  No known damage...over open fields.

Tornado in GRAHAM, KANSAS
From 22-MAY-07 17:48:00 to 22-MAY-07 17:54:00 (CST-6)
Location: HILL CITY
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

No known damage...over open fields.

Hail in LOGAN, KANSAS
From 22-MAY-07 18:44:00 to 22-MAY-07 18:44:00 (CST-6)
Location: WINONA
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in GRAHAM, KANSAS
From 22-MAY-07 18:50:00 to 22-MAY-07 18:50:00 (CST-6)
Location: HILL CITY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in THOMAS, KANSAS
From 22-MAY-07 18:51:00 to 22-MAY-07 18:51:00 (CST-6)
Location: COLBY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in LOGAN, KANSAS
From 22-MAY-07 19:09:00 to 22-MAY-07 19:09:00 (CST-6)
Location: OAKLEY
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LOGAN, KANSAS
From 22-MAY-07 19:15:00 to 22-MAY-07 19:15:00 (CST-6)
Location: WINONA
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in SHERIDAN, KANSAS
From 22-MAY-07 19:50:00 to 22-MAY-07 19:50:00 (CST-6)
Location: HOXIE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Hail in GOVE, KANSAS
From 22-MAY-07 16:12:00 to 22-MAY-07 16:12:00 (CST-6)
Location: PARK
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Hail in GOVE, KANSAS
From 22-MAY-07 16:17:00 to 22-MAY-07 16:17:00 (CST-6)
Location: PARK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Mile marker 102 on Interstate 70 about 3 SE Park.

Hail in GRAHAM, KANSAS
From 22-MAY-07 18:58:00 to 22-MAY-07 18:58:00 (CST-6)
Location: HILL CITY
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Thunderstorm Wind in LOGAN, KANSAS
From 22-MAY-07 19:31:00 to 22-MAY-07 19:31:00 (CST-6)
Location: OAKLEY
Magnitude: 56.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Newspaper

Newspaper reported tree limbs broken and antenna poles bent. Sizes unknown.

Hail in GOVE, KANSAS
From 22-MAY-07 16:12:00 to 22-MAY-07 16:22:00 (CST-6)
Location: QUINTER
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in GOVE, KANSAS
From 22-MAY-07 15:53:00 to 22-MAY-07 15:53:00 (CST-6)
Location: PARK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail occurred with estimated 50 mph wind.

Hail in GRAHAM, KANSAS
From 22-MAY-07 18:55:00 to 22-MAY-07 18:55:00 (CST-6)
Location: HILL CITY
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Tornado in WALLACE, KANSAS
From 22-MAY-07 16:49:00 to 22-MAY-07 16:53:00 (MST-7)
Location: WESKAN
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Tornado developed near Roads Q, 6 and dissipated near Roads S, 8.  No known damage...over open fields.