Several slow-moving supercells developed in extreme eastern Colorado and moved across Greeley, Wichita, Logan and Gove counties, producing five tornadoes and flash flooding.

Hail in LOGAN, KANSAS
From 25-MAY-10 17:52:00 to 25-MAY-10 17:52:00 (CST-6)
Location: MC ALLASTER
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in LOGAN, KANSAS
From 25-MAY-10 18:18:00 to 25-MAY-10 18:18:00 (CST-6)
Location: RUSSELL SPGS
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in WICHITA, KANSAS
From 25-MAY-10 18:39:00 to 25-MAY-10 18:39:00 (CST-6)
Location: ST THERESA
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LOGAN, KANSAS
From 25-MAY-10 18:42:00 to 25-MAY-10 18:42:00 (CST-6)
Location: ELKADER
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Flash Flood in LOGAN, KANSAS
From 25-MAY-10 18:43:00 to 25-MAY-10 21:43:00 (CST-6)
Location: RUSSELL SPGS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Report relayed via VORTEX 2 field project.

Tornado in GOVE, KANSAS
From 25-MAY-10 19:44:00 to 25-MAY-10 20:04:00 (CST-6)
Location: GOVE
Tornado F-scale: EF1
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A center pivot was overturned near Road K and Road 64.

Thunderstorm Wind in GOVE, KANSAS
From 25-MAY-10 19:25:00 to 25-MAY-10 19:25:00 (CST-6)
Location: GOVE
Magnitude: 78.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A quonset building lost its roof in thunderstorm outflow.  This outflow appears to be associated with a strong rear flank downdraft on the south end of a tornado-producing supercell.

Thunderstorm Wind in GOVE, KANSAS
From 25-MAY-10 19:35:00 to 25-MAY-10 19:35:00 (CST-6)
Location: GOVE
Magnitude: 78.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Newspaper

Farm business received damage to several grain bins from the rear flank downdraft of a supercell just south of a large tornado. Time of report is estimated from Doppler radar.

Hail in GOVE, KANSAS
From 25-MAY-10 20:00:00 to 25-MAY-10 20:10:00 (CST-6)
Location: QUINTER
Magnitude: 2.00 
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Newspaper

Newspaper reported extensive damage to a home as a result of hail and strong winds associated with a tornado-producing supercell.

Heavy Rain in GOVE, KANSAS
From 25-MAY-10 20:00:00 to 25-MAY-10 20:00:00 (CST-6)
Location: QUINTER
Property damage: 9.00K
Crop damage: 0.00K
Reported by: Newspaper

Twelve calves were drown when they apparently fell into fast running water from heavy rainfall.

Hail in WICHITA, KANSAS
From 25-MAY-10 18:59:00 to 25-MAY-10 18:59:00 (CST-6)
Location: ST THERESA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Report relayed via Vortex 2 field project.

Hail in LOGAN, KANSAS
From 25-MAY-10 19:01:00 to 25-MAY-10 19:05:00 (CST-6)
Location: ELKADER
Magnitude: 2.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in WICHITA, KANSAS
From 25-MAY-10 19:12:00 to 25-MAY-10 19:12:00 (CST-6)
Location: MARIENTHAL
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Flash Flood in GOVE, KANSAS
From 25-MAY-10 20:20:00 to 25-MAY-10 23:20:00 (CST-6)
Location: GOVE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Tornado in GOVE, KANSAS
From 25-MAY-10 19:14:00 to 25-MAY-10 19:20:00 (CST-6)
Location: GOVE
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Tornado was described as large and becoming rain wrapped.

Hail in GREELEY, KANSAS
From 25-MAY-10 14:36:00 to 25-MAY-10 14:36:00 (MST-7)
Location: HORACE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in GREELEY, KANSAS
From 25-MAY-10 15:18:00 to 25-MAY-10 15:18:00 (MST-7)
Location: HORACE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in GREELEY, KANSAS
From 25-MAY-10 14:50:00 to 25-MAY-10 14:50:00 (MST-7)
Location: HORACE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Time estimated from Doppler radar.

Hail in GREELEY, KANSAS
From 25-MAY-10 16:30:00 to 25-MAY-10 16:30:00 (MST-7)
Location: HORACE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Flash Flood in GREELEY, KANSAS
From 25-MAY-10 16:55:00 to 25-MAY-10 19:55:00 (MST-7)
Location: HORACE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Wallace county sheriff's office reported water running over county roads.  At 530 pm MDT, rainfall of 2.75 inches was measured near this location.

Hail in GREELEY, KANSAS
From 25-MAY-10 17:02:00 to 25-MAY-10 17:02:00 (MST-7)
Location: HORACE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Report was relayed via Vortex 2 field project.

Hail in GREELEY, KANSAS
From 25-MAY-10 17:14:00 to 25-MAY-10 17:14:00 (MST-7)
Location: HORACE
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Report was relayed via Vortex 2 field project.

Tornado in GREELEY, KANSAS
From 25-MAY-10 16:17:00 to 25-MAY-10 16:20:00 (MST-7)
Location: HORACE
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Brief duration tornado viewed both from southern Wallace county and from northwest of Tribune.

Tornado in GREELEY, KANSAS
From 25-MAY-10 16:49:00 to 25-MAY-10 16:51:00 (MST-7)
Location: HORACE
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Brief tornado viewed northwest of Tribune.

Tornado in GOVE, KANSAS
From 25-MAY-10 19:06:00 to 25-MAY-10 19:07:00 (CST-6)
Location: GOVE
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Brief tornado dissipated after about a minute.

Tornado in GOVE, KANSAS
From 25-MAY-10 19:26:00 to 25-MAY-10 19:39:00 (CST-6)
Location: GOVE
Tornado F-scale: EF1
Property damage: 22.50K
Crop damage: 0.00K
Reported by: Public

The tornado was described as very large.  Approximately 15 power poles were damaged on Road L associated with this tornado.