A thunderstorm complex moved south across the forecast area during the morning hours of July 18th.  There were numerous reports of damaging winds and some large hail.

Thunderstorm Wind in LEWIS, MISSOURI
From 18-JUL-10 05:10:00 to 18-JUL-10 05:10:00 (CST-6)
Location: DEER RIDGE
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in MONROE, MISSOURI
From 18-JUL-10 05:35:00 to 18-JUL-10 05:35:00 (CST-6)
Location: MONROE CITY
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in BOONE, MISSOURI
From 18-JUL-10 05:35:00 to 18-JUL-10 05:35:00 (CST-6)
Location: STURGEON
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in PIKE, MISSOURI
From 18-JUL-10 06:25:00 to 18-JUL-10 06:25:00 (CST-6)
Location: LOUISIANA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds blew down a large tree and numerous tree limbs in town.

Hail in CALLAWAY, MISSOURI
From 18-JUL-10 07:05:00 to 18-JUL-10 07:05:00 (CST-6)
Location: NEW BLOOMFIELD
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in FRANKLIN, MISSOURI
From 18-JUL-10 07:20:00 to 18-JUL-10 07:20:00 (CST-6)
Location: NEW HAVEN
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in FRANKLIN, MISSOURI
From 18-JUL-10 07:30:00 to 18-JUL-10 07:30:00 (CST-6)
Location: WASHINGTON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm winds blew down numerous large tree limbs around town.  One large tree limb fell onto power lines and knocking them down.

Hail in MONITEAU, MISSOURI
From 18-JUL-10 07:15:00 to 18-JUL-10 07:15:00 (CST-6)
Location: CLARKSBURG
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in ST. FRANCOIS, MISSOURI
From 18-JUL-10 09:30:00 to 18-JUL-10 09:30:00 (CST-6)
Location: LIBERTYVILLE
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in MADISON, MISSOURI
From 18-JUL-10 09:50:00 to 18-JUL-10 09:50:00 (CST-6)
Location: STRINGTOWN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous small tree limbs were blown down as well as a few large tree limbs.

Thunderstorm Wind in MONITEAU, MISSOURI
From 18-JUL-10 07:05:00 to 18-JUL-10 07:05:00 (CST-6)
Location: JAMESTOWN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Thunderstorm winds snapped two power poles on Schoenthal Road just north of intersection with Highway 87.

Thunderstorm Wind in KNOX, MISSOURI
From 18-JUL-10 04:55:00 to 18-JUL-10 04:55:00 (CST-6)
Location: COLONY
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

A large barn was destroyed by thunderstorm winds.

Thunderstorm Wind in COLE, MISSOURI
From 18-JUL-10 07:25:00 to 18-JUL-10 07:25:00 (CST-6)
Location: RUSSELLVILLE
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in GASCONADE, MISSOURI
From 18-JUL-10 08:05:00 to 18-JUL-10 08:05:00 (CST-6)
Location: OWENSVILLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds blew down numerous large tree limbs around town.

Hail in STE. GENEVIEVE, MISSOURI
From 18-JUL-10 09:12:00 to 18-JUL-10 09:12:00 (CST-6)
Location: ZELL
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in ST. CHARLES, MISSOURI
From 18-JUL-10 07:20:00 to 18-JUL-10 07:20:00 (CST-6)
Location: ST CHARLES
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in LEWIS, MISSOURI
From 18-JUL-10 05:20:00 to 18-JUL-10 05:20:00 (CST-6)
Location: LEWISTOWN
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds blew off part of the roof of a building.  The debris was scattered for over a quarter of a mile to the east.  Four other buildings on the property sustained minor roof or wall damage. Also, some of the metal roof was wrapped around a power pole nearby.