Storms developed ahead of a strong cold front during the afternoon and evening hours. Numerous reports of severe weather were received including large hail, damaging winds and tornadoes.

Thunderstorm Wind in MADISON, MISSOURI
From 30-APR-10 20:30:00 to 30-APR-10 20:35:00 (CST-6)
Location: SILVER MINE
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Thunderstorm winds blew down numerous large tree limbs, a few large trees and caused moderate damage to an outbuilding.  Part of the roof was blown off and two walls had siding blown off.

Thunderstorm Wind in ST. FRANCOIS, MISSOURI
From 30-APR-10 20:35:00 to 30-APR-10 20:36:00 (CST-6)
Location: KNOB LICK
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Thunderstorm winds blew down several large tree limbs in Knob Lick.

Thunderstorm Wind in CRAWFORD, MISSOURI
From 30-APR-10 17:54:00 to 30-APR-10 17:55:00 (CST-6)
Location: COOK STATION
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Thunderstorm winds blew down several large trees near Highway M about one and a half miles north northeast of Cook Station.

Tornado in IRON, MISSOURI
From 30-APR-10 20:05:00 to 30-APR-10 20:06:00 (CST-6)
Location: ANNAPOLIS
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A tornado briefly touched down on a ranch about 4 miles southwest of Annapolis.  Numerous large trees were twisted and blown down.  One of the trees fell onto a shed causing moderate damage.  No injuries were reported.

Flash Flood in CRAWFORD, MISSOURI
From 30-APR-10 21:00:00 to 30-APR-10 23:59:00 (CST-6)
Location: CUBA AIRSTRIP ARPT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Up to 2 inches of rain fell in a short amount of time on already saturated soils causing flash flooding.  Numerous roads were flooded and a small creek in Steelville rose out of its banks blocking access to a bridge in town.

Flash Flood in ST. LOUIS, MISSOURI
From 30-APR-10 22:38:00 to 30-APR-10 23:59:00 (CST-6)
Location: TWIN OAKS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Up to three inches of rain fell in a short amount of time onto already saturated soils causing flash flooding.  Numerous roads were flooded including the southbound lanes Highway 141 under the Interstate 44 overpass, as well as Lewis Road north of Interstate 44.

Hail in MONROE, MISSOURI
From 30-APR-10 15:20:00 to 30-APR-10 15:20:00 (CST-6)
Location: HOLLIDAY
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LEWIS, MISSOURI
From 30-APR-10 16:00:00 to 30-APR-10 16:00:00 (CST-6)
Location: LA GRANGE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Tornado in WASHINGTON, MISSOURI
From 30-APR-10 19:08:00 to 30-APR-10 19:09:00 (CST-6)
Location: RICHWOODS
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A tornado touched down in eastern Washington county about 4 miles northwest of Fletcher and travelled to the northeast.  It blew down several large trees before crossing into Jefferson county, about 3 miles northwest of Fletcher.

Tornado in CRAWFORD, MISSOURI
From 30-APR-10 17:50:00 to 30-APR-10 17:53:00 (CST-6)
Location: COOK STATION
Tornado F-scale: EF1
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A tornado touched down about 4 miles west of Cook Station and paralled/crossed Highway YY several times before lifting and dissipating about 3 miles west northwest of Cook Station.  Damage was observed at the Carr Cemetery and the High Adventure Game Ranch.  Damage consisted of snapped and uprooted trees and downed branches.  The worst damage was at the Carr Cemetery where a number of large healthy oak trees were snapped just above the base.

Tornado in JEFFERSON, MISSOURI
From 30-APR-10 19:09:00 to 30-APR-10 19:40:00 (CST-6)
Location: FLETCHER
Tornado F-scale: EF1
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

The tornado crossed into Jefferson county about 3 miles northwest of Fletcher.  The tornado travelled northeast crossing just north of Morse Mill on State Highway B.  The tornado continued northeast passing through Lake Tishomingo, finally lifting 1.5 miles southwest of Otto.  The tornado snapped and uprooted numerous trees and downed numerous tree limbs along the entire path.  There were several areas of more substantial damage.  On Brook Hollow Lane, 3 miles north northwest of Fletcher, a home was damaged with part of the roof removed and a wall of the garage destroyed.  Also, on Brook Hollow Lane, a manufactured home sustained roof, siding and window damage.  Another area of damage was along Highway B just north of the Big River.  An outbuilding of the Morse Mill Baptist Church had the overhead doors caved in, which caused the roof to be removed and parts of the exterior walls to fail.  The last area of significant damage was at Lake Tishomingo, especially along the north shore.  Several of the homes suffered damage to the roofs and porches.  Also, a number of homes were damaged when trees fell on them.  No injuries were reported.