A strong cold front moved southward through the region triggering showers and thunderstorms.  Some of the storms produced severe weather and flash flooding.

Thunderstorm Wind in JEFFERSON, MISSOURI
From 05-AUG-08 17:30:00 to 05-AUG-08 17:30:00 (CST-6)
Location: OAKVALE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ST. LOUIS, MISSOURI
From 05-AUG-08 18:46:00 to 05-AUG-08 18:46:00 (CST-6)
Location: MEHLVILLE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MARION, MISSOURI
From 05-AUG-08 13:32:00 to 05-AUG-08 13:32:00 (CST-6)
Location: PALMYRA
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MARION, MISSOURI
From 05-AUG-08 13:40:00 to 05-AUG-08 13:40:00 (CST-6)
Location: PALMYRA
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in MARION, MISSOURI
From 05-AUG-08 14:12:00 to 05-AUG-08 14:12:00 (CST-6)
Location: HANNIBAL MUNI ARPT
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LINCOLN, MISSOURI
From 05-AUG-08 16:10:00 to 05-AUG-08 16:10:00 (CST-6)
Location: WHITESIDE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in LINCOLN, MISSOURI
From 05-AUG-08 16:20:00 to 05-AUG-08 16:20:00 (CST-6)
Location: ELSBERRY
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in LINCOLN, MISSOURI
From 05-AUG-08 16:20:00 to 05-AUG-08 16:20:00 (CST-6)
Location: ELSBERRY
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in WASHINGTON, MISSOURI
From 05-AUG-08 16:43:00 to 05-AUG-08 16:43:00 (CST-6)
Location: POTOSI
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in WASHINGTON, MISSOURI
From 05-AUG-08 16:50:00 to 05-AUG-08 16:50:00 (CST-6)
Location: OLD MINES
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in WASHINGTON, MISSOURI
From 05-AUG-08 16:50:00 to 05-AUG-08 16:50:00 (CST-6)
Location: OLD MINES
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in STE. GENEVIEVE, MISSOURI
From 05-AUG-08 17:10:00 to 05-AUG-08 17:10:00 (CST-6)
Location: NEW OFFENBURG
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Flash Flood in PIKE, MISSOURI
From 05-AUG-08 19:00:00 to 05-AUG-08 21:30:00 (CST-6)
Location: SPENCERBURG
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Very heavy rain fell in a short amount of time on already saturated soils causing flash flooding.  Highway E east of Spencerburg was closed due to water flowing over the road.

Thunderstorm Wind in STE. GENEVIEVE, MISSOURI
From 05-AUG-08 17:45:00 to 05-AUG-08 17:45:00 (CST-6)
Location: BLOOMSDALE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds blew down several trees, tree limbs and power lines.

Thunderstorm Wind in WASHINGTON, MISSOURI
From 05-AUG-08 19:35:00 to 05-AUG-08 19:35:00 (CST-6)
Location: BARYTIES
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in FRANKLIN, MISSOURI
From 05-AUG-08 18:45:00 to 05-AUG-08 18:45:00 (CST-6)
Location: BEAUFORT
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in LINCOLN, MISSOURI
From 05-AUG-08 16:50:00 to 05-AUG-08 16:50:00 (CST-6)
Location: WINFIELD
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm winds blew a roof covering off the top of Winfield Elementary School, but the winds did not cause any damage to the roof or the rest of the building.