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EF0 tornado in San Juan County, New Mexico

Tornado September 10, 2013 · San Juan County, New Mexico

EF0
Rating
0.2 mi
Path length
10 yd
Path width
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 10 yards (0.01 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

Tropical funnel cloud touched ground for a couple minutes near Shiprock. Location and time determined from radar imagery and photos sent from print media and a NWS family relative. No damage reported.

The wider storm

A stationary upper level low pressure system that settled into the Great Basin around the 10th provided a steady stream of near record subtropical atmospheric moisture over New Mexico. At least 4 back-to-back upper level disturbances pushed north and east across the region and interacted with the monsoon moisture plume through the 14th to produce widespread historic rainfall amounts. Significant flooding impacted the state as rainfall amounts over this 5-day period averaged 3 to 6 inches and in some areas just over 10 inches. Several river gauges reported record to near record crests and in a couple cases gauges were completely destroyed. Emergency management reported disastrous impacts to residential, commercial, and transportation infrastructure. A total of 14 counties, 4 cities and towns, 5 pueblos, and the Navajo Nation were included in a statewide and Presidential disaster declaration. The New Mexico State EOC was staffed at Level 2 operations for several days. Damages from this widespread historic rainfall event for northern and central New Mexico likely exceeded 10 million dollars.

Began near Shiprock (36.8054, -108.6694).

Source: NOAA Storm Events Database, event 468658. Narratives are written by the National Weather Service forecast office that issued the report.

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