A strong upper level disturbance moved southeast across the Tennessee Valley and Southern Appalachians generating light to moderate snowfall over the region. The event transitioned into a northwest flow snowfall across the higher terrain areas.
Every event with a place to put it; 4 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS MRX wrote it up.
A strong upper level disturbance moved southeast across the Tennessee Valley and Southern Appalachians generating light to moderate snowfall over the region. The event transitioned into a northwest flow snowfall across the higher terrain areas.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Morristown, TN wrote its last area forecast discussion before the first event at Jan 7, 2:52 AM EST, 2 hours 8 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
4 heavy snow. Local standard time, as filed.
A snow depth of 4 inches was estimated at Mountain City.
A snow depth of 6 inches was measured 17 miles west of Tazewell.
A snow depth of 5.6 inches was measured three miles west of Rutledge.
A snow depth of 4 inches was measured on mile west northwest of Bristol.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Tennessee in 2011Every state in 2011This day in weather historyWarnings in Tennessee, January 2011
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 268940, 268964, 268956, 268958.