Tennessee, 2022

Flash Flood and Damaging Winds in Tennessee, July 12, 2022

July 12, 2022 · NWS MRX · 8 events in 7 counties and zones

A large thunderstorm complex tracked southeast from Kentucky and Middle Tennessee into East Tennessee during the late afternoon and evening hours. Wind damage was reported across the northern Cumberland Plateau and the central Tennessee Valley.

Where it happened

Every event with a place to put it. 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
$250,000
Crop damage
None recorded
Events
8

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 large thunderstorm complex tracked southeast from Kentucky and Middle Tennessee into East Tennessee during the late afternoon and evening hours. Wind damage was reported across the northern Cumberland Plateau and the central Tennessee Valley. Flash flooding near Pittman Center and in the Greenbriar area of the National Park.

What forecasters said that day

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 Jul 12, 2:26 PM EST, 3 hours 4 minutes earlier.

Area forecast discussion, Jul 12, 2:26 PM EST, 3 hours 4 minutes before
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Hazardous weather outlook, Jul 12, 2:26 PM EST, 3 hours 4 minutes before
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The radar

The Knoxville radar (KMRX), 80 km away, was scanning. The volume nearest the first event began at 22:29 UTC.

Open the radar archive at this moment

Event by event

7 thunderstorm wind, 1 flash flood. Local standard time, as filed.

Thunderstorm Wind, Campbell

When
July 12, 5:30 PM EST
Where
Campbell County, 0.69 mi N of Oswego
Measured
52 kt (60 mph) estimated gust
Reported by
911 Call Center
Coordinates
36.580, -84.130

Multiple trees were reported down across roads near Jellico and La Follette.

Thunderstorm Wind, Claiborne

When
July 12, 5:55 PM EST
Where
Claiborne County, 0.55 mi E of Harrogate
Measured
52 kt (60 mph) estimated gust
Reported by
911 Call Center
Coordinates
36.580, -83.640

Several trees were blown down over roadways.

Thunderstorm Wind, Union

When
July 12, 6:40 PM EST
Where
Union County, 0.89 mi SW of Sharps Chapel
Measured
52 kt (60 mph) estimated gust
Reported by
911 Call Center
Coordinates
36.340, -83.810

Numerous trees were blown down.

Thunderstorm Wind, Anderson

When
July 12, 6:55 PM EST
Where
Anderson County, 2.35 mi SSW of Seeber Flats
Measured
52 kt (60 mph) estimated gust
Reported by
State Official
Coordinates
36.140, -84.240

A tree was blown over onto a house.

Thunderstorm Wind, Union

When
July 12, 6:55 PM EST
Where
Union County, New Loyston
Measured
52 kt (60 mph) estimated gust
Reported by
911 Call Center
Coordinates
36.230, -83.920

Several trees were blown down.

Thunderstorm Wind, Knox

When
July 12, 7:40 PM EST
Where
Knox County, 0.56 mi W of Coster
Measured
52 kt (60 mph) estimated gust
Reported by
911 Call Center
Coordinates
35.980, -83.940

Several trees and power lines were blown down.

Thunderstorm Wind, Blount

When
July 12, 8:03 PM EST
Where
Blount County, 1.38 mi N of Eagleton Vlg
Measured
52 kt (60 mph) estimated gust
Reported by
911 Call Center
Coordinates
35.800, -83.930

Numerous trees were blown down and blocking roads around Alcoa and Eagleton Village.

Flash Flood, Sevier

When
July 12, 10:00 PM EST to 11:30 PM EST
Where
Sevier County, 2 mi WSW of Pittman Center to 2 mi N of Emerts Cove
Cause
Heavy Rain
Property damage
$250,000
Reported by
Law Enforcement
Coordinates
35.759, -83.433

Flash flooding in Greenbriar Campground with multiple people stranded. About 20 parked vehicles washed downstream. Downstream from the Campground, Emerts Cove Road flooded, with bridges inundated and dwellings taking water. Evacuations took place along Pittman Center Road. Upstream from the Campground, significant damage occurred to Greenbriar Road in the National Park.

What these are

Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
Flash Flood
Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.

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

The same day elsewhere

More

Every storm in Tennessee in 2022Every state in 2022This day in weather historyWarnings in Tennessee, July 2022

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 2026-09-24. Each event’s entry at NCEI: 1047443, 1047444, 1047445, 1047446, 1047447, 1047449, 1047450, 1049085.