Figure 1: Reflectivity and Velocity Image at 6:28 p.m.  The image is annotated to show the location of the microburst which had winds estimated between 50 and 60 kts from the WSR-88D located in Weldon Spring, Missouri.
Figure 2: A tractor trailer was blown over onto a car on Interstate 70. Photo courtesy of Fox 2 in St. Louis.
Figure 3: Severe winds caused parts of roofs, shingles and siding to be torn from houses in the Stone Meadows Subdivision .  Photo courtesy of KMOV 4 in St. Louis.
Figure 4: Severe winds caused parts of roofs, shingles, and siding to be torn from houses in the Stone Meadows Subdivision. Photo courtesy of KMOV 4 in St. Louis.
Figure 5: A car dealership suffers sign damage.  Photo courtesy of Fox 2 in St. Louis.
Figure 6: A car dealership suffers sign damage.  Photo courtesy of Fox 2 in St. Louis.
Figure 7: N/A
Figure 8: N/A

NWS
St. Louis, Missouri

Severe Thunderstorm Microburst
Wentzville, Missouri
August 10th, 2010

A severe thunderstorm produced a microburst that caused significant but localized wind damage near Wentzville, Missouri during the early evening hours of Tuesday, August 10th. Damage included trees, power lines, light poles, shingles, siding, and signs. The most dramatic pictures after the storm were taken on Interstate 70, eastbound near Highway A, where a tractor trailer was blown on top of a car. One person was injured and taken to the hospital.

Click here to see the storm reports for this event (.pdf file).

Below is a radar image near the time of the microburst and a few photos of the damage that occurred near Wentzville, Missouri.  Damage photos are courtesy of Fox 2 and KMOV 4 in St. Louis, Missouri.
Radar
Damage
Damage
Damage
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Damage
 
 

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