Deep moisture and a relatively strong upper level disturbance trailing behind a strong frontal system brought a period of snowfall to the Southern Appalachian region. Much of the effective snowfall occurred in the higher terrain as orographic lift strengthened in the northwest flow behind the surface frontal system.
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The episode as NWS MRX wrote it up.
Deep moisture and a relatively strong upper level disturbance trailing behind a strong frontal system brought a period of snowfall to the Southern Appalachian region. Much of the effective snowfall occurred in the higher terrain as orographic lift strengthened in the northwest flow behind the surface frontal system.
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 Dec 1, 6:32 PM EST, 8 hours 28 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
1 heavy snow. Local standard time, as filed.
Snowfall accumulated to a depth of 4.5 inches at Mount LeConte and 4 inches at Newfound Gap.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Tennessee in 2019Every state in 2019This day in weather historyWarnings in Tennessee, December 2019
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 2026-09-30. Each event’s entry at NCEI: 859410.