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EF2 tornado in Franklin County, Missouri

Tornado December 31, 2010 · Franklin County, Missouri

EF2
Rating
12.2 mi
Whole path
370 yd
Path width

NOAA records this tornado county by county. Its path ran through Franklin County → Jefferson County; the totals above are for the whole tornado.

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 370 yards (0.21 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF2 means. On the Enhanced Fujita scale, EF2 is considerable damage: roofs torn off well-built houses, mobile homes destroyed, large trees snapped or uprooted, consistent with estimated gusts of 111–135 mph. The rating comes from a survey of the worst damage after the storm, not from a wind measurement, so it says as much about what the tornado hit as about how strong it was.

What the National Weather Service wrote

The tornado touched down around three quarters of a mile southwest of Bruns Bridge on Mill Hill Road and four tenths of a mile east of the northern end of Ely Road, within the Meramec River valley. The tornado moved rapidly northeast at 50 mph crossing the Meramec River six times while producing extensive tree damage along its entire path to Robertsville. Large sections of trees were completely leveled within wooded areas in rural southeast Franklin County. Over two dozen structures were also damaged along the path to the southwest of Robertsville, including one house that was totally destroyed at the intersection of Eagle Ridge Road and Woods Creek Road, and another building on south Oak Drive. In Robertsville, seven homes were damaged on Hayfield Drive in the Hayfield Estates subdivision, with two sustaining significant damage. The tornado then hit the Shiloh Baptist Church causing severe damage to its west facing wall, and leveling the old church sanctuary just north of the church. The tornado then destroyed a building at the intersection of Route O and Route N as it exited town. The tornado weakened some as it moved northeast of Robertsville moving across the southeast portion of the Robertsville State Park and crossing Highway N just south of Mueller Road, about six tenths of a mile north of Catawissa. The tornado then continued northeast, crossing Solidarity Drive, which is on the Franklin/Jefferson county line, into Jefferson County.

The wider storm

Severe thunderstorms developed ahead of a strong cold front, triggering numerous showers and thunderstorms. A number of tornadoes were reported as well as damaging winds and large hail.

Began near Moselle (38.3399, -90.8899).

Other tornadoes from the same storm system

7 more tornadoes the National Weather Service filed under this storm episode.

Source: NOAA Storm Events Database, event 272949. Narratives are written by the National Weather Service forecast office that issued the report.

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