A weak upper level trough and associated moisture was lifted in a pattern that favored snowfall on northwest favored slopes as the prevailing northwesterly flow lifted the moist air over the mountains of Southwest Virginia and Northeast Tennessee.
Every event with a place to put it; 1 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 weak upper level trough and associated moisture was lifted in a pattern that favored snowfall on northwest favored slopes as the prevailing northwesterly flow lifted the moist air over the mountains of Southwest Virginia and Northeast Tennessee.
The national radar mosaic for the moment the first event began.
1 heavy snow. Local standard time, as filed.
Three inches of snow was measured at Roan Mountain State Park.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Tennessee in 2018Every state in 2018This day in weather historyWarnings in Tennessee, December 2018
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: 792843.