A cold front tracked through the region during the afternoon hours triggering scattered thunderstorms. A few of the storms produced damaging thunderstorm winds and hail as large as quarters.
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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 cold front tracked through the region during the afternoon hours triggering scattered thunderstorms. A few of the storms produced damaging thunderstorm winds and hail as large as quarters.
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 Aug 14, 12:19 PM EST, 21 minutes earlier.
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE MORRISTOWN TN 119 PM EDT SUN AUG 14 2011 .AVIATION... SCATTERED SHOWERS AND THUNDERSTORMS MAY AFFECT THE TAF SITES IN THE NEXT FEW HOURS...WITH TYS AND TRI BEING THE MOST LIKELY LOCATIONS. WILL MENTION VCTS AT ALL SITES WITH A TEMPO FOR TS WITH MVFR CONDITIONS AT TYS AND TRI. AFTER A PERIOD OF SCATTERED CLOUDS IN THE EVENING...EXPECT MVFR CEILINGS TO RETURN OVERNIGHT AT TRI AND TYS AS A COLD FRONT PUSHES THROUGH THE AREA. MVFR CEILINGS AND NW WINDS AROUND 10 KTS WILL CONTINUE BEHIND THE FRONT THROUGH MOST OF MONDAY MORNING...BEFORE SOME CLEARING BEGINS BY NOON. && .MRX WATCHES/WARNINGS/ADVISORIES... NC...NONE. TN...NONE. VA...NONE. && DGS
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MORRISTOWN TN 344 AM EDT SUN AUG 14 2011 NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002- 005-006-008-150900- CHEROKEE-CLAY-SCOTT TN-CAMPBELL-CLAIBORNE-HANCOCK-HAWKINS- SULLIVAN-JOHNSON-MORGAN-ANDERSON-UNION-GRAINGER-HAMBLEN- NORTHWEST COCKE-COCKE SMOKY MOUNTAINS-NORTHWEST GREENE- SOUTHEAST GREENE-WASHINGTON TN-UNICOI-NORTHWEST CARTER- SOUTHEAST CARTER-ROANE-LOUDON-KNOX-JEFFERSON-NW BLOUNT- BLOUNT SMOKY MOUNTAINS-NORTH SEVIER-SEVIER SMOKY MOUNTAINS- SEQUATCHIE-BLEDSOE-RHEA-MEIGS-MCMINN-NORTHWEST MONROE- SOUTHEAST MONROE-MARION-HAMILTON-BRADLEY-WEST POLK-EAST POLK-LEE- WISE-SCOTT-RUSSELL-WASHINGTON- 344 AM EDT SUN AUG 14 2011 /244 AM CDT SUN AUG 14 2011/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST NORTH CAROLINA...EAST TENNESSEE AND SOUTHWEST VIRGINIA. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MORRISTOWN TN 104 PM EDT SUN AUG 14 2011 TNZ036>038-069-141745- ANDERSON TN-GRAINGER TN-KNOX TN-UNION TN- 104 PM EDT SUN AUG 14 2011 ...SIGNIFICANT WEATHER ADVISORY FOR KNOX...EXTREME WESTERN GRAINGER...EXTREME EASTERN ANDERSON AND UNION COUNTIES UNTIL 145 PM EDT... AT 102 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 10 MILES SOUTHWEST OF MAYNARDVILLE...MOVING SOUTHEAST AT 15 MPH. SMALL HAIL AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM. LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...PAULETTE...HALLS... MALONEYVILLE...MASCOT AND BLAINE. IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A STURDY BUILDING. DGS
The Knoxville radar (KMRX), 134 km away, was scanning. The volume nearest the first event began at 17:38 UTC.
1 thunderstorm wind, 1 hail. Local standard time, as filed.
Law enforcement personnel reported a few trees downed by thunderstorm wind in Athens and Englewood.
A trained spotter reported thunderstorms produced quarter-size hail at Kodak.
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, August 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: 339678, 339679.