EF1 tornado in St. John the Baptist Parish, Louisiana

Tornado December 28, 2015 · St. John the Baptist Parish, Louisiana

EF1

Rating

0.6 mi

Path length

150 yd

Path width

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 150 yards (0.09 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF1 means. On the Enhanced Fujita scale, EF1 is moderate damage: roofs badly stripped, mobile homes pushed off foundations or overturned, windows broken, consistent with estimated gusts of 86–110 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

A NWS storm survey confirmed an EF-1 tornado with winds estimated at 100 mph. The tornado began around 320 am near Dupont Construction Road and US Highway 61. The tornado continued northeastward across Highway 61, Several wooden power poles along Highway 61 were snapped, and roof and fence damage occurred at the corner of Lee Drive and Jefferson Street. The tornado continued northeast into a wooded area behind the subdivision before lifting.

The wider storm

Low pressure moving from Texas to the middle Mississippi River Valley was instrumental in developing a squall line of thunderstorms that moved across southeast Louisiana and southern Mississippi in the early morning hours of the 28th. Several tornadoes were reported as well as wind damage.

Began near Montegut (30.0775, -90.5378).

Other tornadoes from the same storm system

1 more tornado the National Weather Service filed under this storm episode.

EF1 Livingston Parish

Source: NOAA Storm Events Database, event 607506. Narratives are written by the National Weather Service forecast office that issued the report.

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