Another mid-level shortwave trough translated quickly eastward across the southern Plains. This feature contributed to a severe weather outbreak in the Lower Ohio Valley.  A zone of enhanced low-level warm advection near an intensifying low-level jet provided support for rather long-lived supercells. The storms were prolific hail producers, and rotating wall clouds and funnel clouds were observed.

Hail in HICKMAN, KENTUCKY
From 26-APR-11 16:50:00 to 26-APR-11 16:50:00 (CST-6)
Location: CLINTON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in MARSHALL, KENTUCKY
From 26-APR-11 17:41:00 to 26-APR-11 17:41:00 (CST-6)
Location: BENTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

This hailstorm continued northeast across Benton toward the Draffenville area.

Hail in MUHLENBERG, KENTUCKY
From 26-APR-11 16:32:00 to 26-APR-11 16:32:00 (CST-6)
Location: BREMEN
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Flash Flood in CALDWELL, KENTUCKY
From 26-APR-11 23:35:00 to 27-APR-11 04:00:00 (CST-6)
Location: LAKEVIEW
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Newspaper

The drainage system of the city of Princeton was overwhelmed by torrential rain. Sections of up to 25 streets were shut down. Residents in some of the hardest-hit areas evacuated. A few homes and businesses were affected.

Funnel Cloud in TRIGG, KENTUCKY
From 26-APR-11 16:05:00 to 26-APR-11 16:05:00 (CST-6)
Location: CADIZ
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Funnel Cloud in MUHLENBERG, KENTUCKY
From 26-APR-11 16:32:00 to 26-APR-11 16:32:00 (CST-6)
Location: BREMEN
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CALDWELL, KENTUCKY
From 26-APR-11 19:35:00 to 26-APR-11 19:35:00 (CST-6)
Location: PRINCETON
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in HOPKINS, KENTUCKY
From 26-APR-11 20:10:00 to 26-APR-11 20:10:00 (CST-6)
Location: MADISONVILLE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Quarter size hail was observed in Madisonville. Golf-ball size hail was reported at exit 40 on the Pennyrile Parkway. This was the same storm that produced golf-ball size hail in the Dawson Springs and St. Charles areas earlier.

Hail in MCLEAN, KENTUCKY
From 26-APR-11 20:57:00 to 26-APR-11 20:57:00 (CST-6)
Location: LIVERMORE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

This large hail was from the same storm that struck the Sacramento area earlier.

Hail in MCLEAN, KENTUCKY
From 26-APR-11 20:35:00 to 26-APR-11 20:35:00 (CST-6)
Location: SACRAMENTO
Magnitude: 1.75 
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Public

Golf-ball size hail broke windshields and heavily dented vehicles. This was the same storm that produced golf-ball size hail in the Madisonville area earlier.

Tornado in CALDWELL, KENTUCKY
From 26-APR-11 19:06:00 to 26-APR-11 19:06:00 (CST-6)
Location: COBB
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Tree limbs were blown down by this very short, weak tornado. The tornado was witnessed by a trained spotter. Peak winds were estimated near 65 mph.

Tornado in HOPKINS, KENTUCKY
From 26-APR-11 20:00:00 to 26-APR-11 20:00:00 (CST-6)
Location: MORTONS GAP
Tornado F-scale: EF0
Property damage: 2.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Tree limbs were blown down, along with small signs. This very brief tornado, which was witnessed by trained spotters, contained estimated winds of 70 mph.

Hail in GRAVES, KENTUCKY
From 26-APR-11 14:28:00 to 26-APR-11 14:28:00 (CST-6)
Location: LYNNVILLE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in MARSHALL, KENTUCKY
From 26-APR-11 14:45:00 to 26-APR-11 14:45:00 (CST-6)
Location: BENTON
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CALDWELL, KENTUCKY
From 26-APR-11 15:16:00 to 26-APR-11 15:16:00 (CST-6)
Location: LAKEVIEW
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

This golf-ball size hail occurred at mile-marker 14 on the West Kentucky Parkway.

Hail in GRAVES, KENTUCKY
From 26-APR-11 17:42:00 to 26-APR-11 17:42:00 (CST-6)
Location: PRYORSBURG
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MARSHALL, KENTUCKY
From 26-APR-11 17:48:00 to 26-APR-11 17:53:00 (CST-6)
Location: DRAFFENVILLE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

This golf-ball size hail came from the same storm that struck the Benton area. The hail swath proceeded northeast toward Gilbertsville.

Hail in GRAVES, KENTUCKY
From 26-APR-11 18:10:00 to 26-APR-11 18:10:00 (CST-6)
Location: WINGO
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MARSHALL, KENTUCKY
From 26-APR-11 18:31:00 to 26-APR-11 18:36:00 (CST-6)
Location: LITTLE CYPRESS
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail nearly the size of golf balls occurred with a severe thunderstorm in the northwest part of the county.

Hail in MARSHALL, KENTUCKY
From 26-APR-11 18:37:00 to 26-APR-11 18:39:00 (CST-6)
Location: BENTON
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail up to the size of golf balls occurred with this severe storm, which earlier produced large hail in the southwest and west central part of the county. The largest hail was just south of the Benton city limits.

Hail in MARSHALL, KENTUCKY
From 26-APR-11 18:44:00 to 26-APR-11 18:44:00 (CST-6)
Location: FAIRDEALING
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The large hail was associated with the same storm that tracked near and just south of Benton.

Hail in LIVINGSTON, KENTUCKY
From 26-APR-11 18:50:00 to 26-APR-11 18:50:00 (CST-6)
Location: SMITHLAND
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Golf-ball size hail fell on U.S. Highway 60 between Smithland and Ledbetter. This was the same storm that produced large hail in northwest Marshall County.

Hail in HOPKINS, KENTUCKY
From 26-APR-11 19:33:00 to 26-APR-11 19:48:00 (CST-6)
Location: DAWSON SPGS ARPT
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Golf-ball size hail was observed from the Dawson Springs area to the St. Charles area.

Hail in CALLOWAY, KENTUCKY
From 26-APR-11 15:06:00 to 26-APR-11 15:06:00 (CST-6)
Location: MURRAY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in GRAVES, KENTUCKY
From 26-APR-11 18:10:00 to 26-APR-11 18:10:00 (CST-6)
Location: MAYFIELD
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in MARSHALL, KENTUCKY
From 26-APR-11 18:05:00 to 26-APR-11 18:07:00 (CST-6)
Location: TATUMSVILLE
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail slightly larger than golf balls came from this storm, which had already tracked northeast across the Benton and Draffenville areas.

Hail in MARSHALL, KENTUCKY
From 26-APR-11 18:22:00 to 26-APR-11 18:25:00 (CST-6)
Location: ELVA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter-size hail occurred at several locations in the west central and southwest part of Marshall County. This large hail continued east-northeast toward the Benton area.

Hail in DAVIESS, KENTUCKY
From 26-APR-11 21:14:00 to 26-APR-11 21:14:00 (CST-6)
Location: UTICA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Funnel Cloud in HOPKINS, KENTUCKY
From 26-APR-11 15:58:00 to 26-APR-11 15:58:00 (CST-6)
Location: NEBO
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in WEBSTER, KENTUCKY
From 26-APR-11 15:47:00 to 26-APR-11 15:47:00 (CST-6)
Location: PROVIDENCE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in TRIGG, KENTUCKY
From 26-APR-11 15:58:00 to 26-APR-11 15:58:00 (CST-6)
Location: CADIZ
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in DAVIESS, KENTUCKY
From 26-APR-11 16:00:00 to 26-APR-11 16:00:00 (CST-6)
Location: WEST LOUISVILLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in BALLARD, KENTUCKY
From 26-APR-11 16:46:00 to 26-APR-11 16:46:00 (CST-6)
Location: BARLOW
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager