Tennessee, 2011

Heavy Snow in Tennessee, January 9 to 10, 2011

January 9 to 10, 2011 · NWS MRX · 17 events in 7 counties and zones

A low pressure system developed over the Western Gulf of Mexico coast near Louisiana and moved east along the Gulf coast on its way into Northern Florida. An inverted trough of lower pressure extended north into the Tennessee Valley and Southern Appalachians enhancing lift of the moist air mass in place across the Southeastern United States.

Where it happened

Every event with a place to put it; 17 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
17

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.

What happened

The episode as NWS MRX wrote it up.

A low pressure system developed over the Western Gulf of Mexico coast near Louisiana and moved east along the Gulf coast on its way into Northern Florida. An inverted trough of lower pressure extended north into the Tennessee Valley and Southern Appalachians enhancing lift of the moist air mass in place across the Southeastern United States. Significant snowfall accumulation occurred across Southeast Tennessee and Southwest North Carolina and the Smoky Mountains.

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

17 heavy snow. Local standard time, as filed.

Heavy Snow, Marion

When
January 9, 10:00 PM EST to January 10, 9:00 AM EST
Where
Marion forecast zone
Reported by
Public
Coordinates
35.129, -85.622 (the zone’s center; the record gives no point)

Snow accumulated to a depth of 7.5 inches eight miles east of Monteagle.

Heavy Snow, Hamilton

When
January 10, 12:00 AM EST to 7:30 AM EST
Where
Hamilton forecast zone
Reported by
Public
Coordinates
35.181, -85.165 (the zone’s center; the record gives no point)

Snowfall accumulated to a depth of 7 inches three miles north northeast of Red Bank.

Heavy Snow, Hamilton

When
January 10, 12:00 AM EST to 8:00 AM EST
Where
Hamilton forecast zone
Reported by
Public
Coordinates
35.181, -85.165 (the zone’s center; the record gives no point)

Snowfall accumulated to a depth of 6 inches six miles north northeast of Ooltewah.

Heavy Snow, Bradley

When
January 10, 12:30 AM EST to 5:40 AM EST
Where
Bradley forecast zone
Reported by
Trained Spotter
Coordinates
35.154, -84.860 (the zone’s center; the record gives no point)

Snowfall accumulated to a depth of 6 inches at Charleston.

Heavy Snow, Bradley

When
January 10, 12:30 AM EST to 7:00 AM EST
Where
Bradley forecast zone
Reported by
Law Enforcement
Coordinates
35.154, -84.860 (the zone’s center; the record gives no point)

Snowfall accumulated to a depth of 8.5 inches at Cleveland.

Heavy Snow, Bradley

When
January 10, 12:30 AM EST to 7:40 AM EST
Where
Bradley forecast zone
Reported by
Trained Spotter
Coordinates
35.154, -84.860 (the zone’s center; the record gives no point)

Snowfall accumulated to a depth of 10 inches five miles north of Cleveland.

Heavy Snow, Bradley

When
January 10, 12:30 AM EST to 8:15 AM EST
Where
Bradley forecast zone
Reported by
Trained Spotter
Coordinates
35.154, -84.860 (the zone’s center; the record gives no point)

Snowfall accumulated to a depth of 7 inches at Cleveland.

Heavy Snow, Bradley

When
January 10, 12:30 AM EST to 7:15 AM EST
Where
Bradley forecast zone
Reported by
Trained Spotter
Coordinates
35.154, -84.860 (the zone’s center; the record gives no point)

Snow accumulated to a depth of 8 inches at McDonald.

Heavy Snow, Northwest Blount

When
January 10, 12:45 AM EST to 7:15 AM EST
Where
Northwest Blount forecast zone
Reported by
Trained Spotter
Coordinates
35.687, -83.925 (the zone’s center; the record gives no point)

Snowfall accumulated to a depth of 5 inches at Maryville.

Heavy Snow, Northwest Monroe

When
January 10, 1:00 AM EST to 8:20 AM EST
Where
Northwest Monroe forecast zone
Reported by
Trained Spotter
Coordinates
35.443, -84.253 (the zone’s center; the record gives no point)

Snowfall accumulated to a depth of 8.5 inches at Madisonville.

Heavy Snow, Northwest Blount

When
January 10, 1:00 AM EST to 5:30 AM EST
Where
Northwest Blount forecast zone
Reported by
Public
Coordinates
35.687, -83.925 (the zone’s center; the record gives no point)

Snowfall accumulated to a depth of 4.5 inches at Maryville.

Heavy Snow, Roane

When
January 10, 2:00 AM EST to 8:00 AM EST
Where
Roane forecast zone
Reported by
Public
Coordinates
35.848, -84.523 (the zone’s center; the record gives no point)

Snowfall accumulated to a depth of 4.5 inches four miles southwest of Harriman.

Heavy Snow, Roane

When
January 10, 2:00 AM EST to 8:15 AM EST
Where
Roane forecast zone
Reported by
Trained Spotter
Coordinates
35.848, -84.523 (the zone’s center; the record gives no point)

Snowfall accumulated to a depth of 6 inches at Rockwood.

Heavy Snow, McMinn

When
January 10, 2:00 AM EST to 8:20 AM EST
Where
McMinn forecast zone
Reported by
Trained Spotter
Coordinates
35.425, -84.617 (the zone’s center; the record gives no point)

Snowfall accumulated to a depth of 7 inches at Etowah.

Heavy Snow, McMinn

When
January 10, 2:00 AM EST to 8:20 AM EST
Where
McMinn forecast zone
Reported by
Trained Spotter
Coordinates
35.425, -84.617 (the zone’s center; the record gives no point)

Snowfall accumulated to a depth of 6 inches at Athens.

Heavy Snow, Northwest Blount

When
January 10, 3:00 AM EST to 8:00 AM EST
Where
Northwest Blount forecast zone
Reported by
Public
Coordinates
35.687, -83.925 (the zone’s center; the record gives no point)

Snowfall accumulated to a depth of 3.8 inches three miles northwest of Friendsville.

Heavy Snow, Northwest Blount

When
January 10, 3:00 AM EST to 8:00 AM EST
Where
Northwest Blount forecast zone
Reported by
Public
Coordinates
35.687, -83.925 (the zone’s center; the record gives no point)

Snowfall accumulated to a depth of 5.5 inches two miles east southeast of Friendsville.

What these are

Heavy Snow
Snowfall reaching the local warning threshold without the other hazards of a winter storm.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Tennessee in 2011Every state in 2011This day in weather historyWarnings in Tennessee, January 2011

Sources

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: 269682, 269683, 269684, 269676, 269677, 269678, 269679, 269680, 269685, 269670, 269675, 269688, 269689, 269690, 269691, 269686, 269687.