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EF0 tornado in Jefferson County, Missouri

Tornado December 31, 2010 · Jefferson County, Missouri

EF0

Rating

6.7 mi

Whole path

50 yd

Path width

Death

Injuries

$1.0M

Damage as recorded

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

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 50 yards (0.03 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF0 means. On the Enhanced Fujita scale, EF0 is light damage: shingles and siding peeled, gutters torn, branches broken, consistent with estimated gusts of 65–85 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 initially touched down at 11:48 AM approximately one mile east of Murphy, Missouri on W. Lakewood Drive in far northern Jefferson County. The damage path was 40 yards wide. The tornado's second touchdown occurred at the Jefferson, St. Louis County Line at Delmar Gardens on Arbor Terrace. Small trees and minor roof damage occurred at Delmar Gardens. The damage path was 50 yards wide and rated EF0. The tornado continued to the northeast into St. Louis 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 Murphy (38.4918, -90.4706).

Other tornadoes from the same storm system

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

EF2 Franklin County EF1 St. Louis County EF1 St. Louis (c) County EF1 Franklin County EF1 Crawford County EF1 Franklin County EF0 St. Charles County

Source: NOAA Storm Events Database, event 275089. Narratives are written by the National Weather Service forecast office that issued the report.

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