A severe thunderstorm that developed during the afternoon hours on Sunday, September 4th across Fentress County caused thunderstorm wind damage. A severe thunderstorm that also developed during the evening hours later that day in Houston County produced heavy rainfall leading to flash flooding.
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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 OHX wrote it up.
A severe thunderstorm that developed during the afternoon hours on Sunday, September 4th across Fentress County caused thunderstorm wind damage. A severe thunderstorm that also developed during the evening hours later that day in Houston County produced heavy rainfall leading to flash flooding.
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 Nashville, TN wrote its last area forecast discussion before the first event at Sep 4, 11:30 AM CST, 1 hour 56 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NASHVILLE TN 1230 PM CDT SUN SEP 4 2011 .UPDATE...FOR AVIATION. && .AVIATION...18Z TAFS. TWO FEATURES...APPROACHING FRONT FROM NORTHWEST AND THE REMNANTS OF TROPICAL STORM LEE...WILL BRING DETERIORATING CONDITIONS WITH WIDESPREAD SHOWERS AND EMBEDDED TSRA THIS PERIOD. RADAR INDICATING SCT TSRA DEVELOPING IN THE NEAR TERM. SOME WILL PRODUCE BRIEF DOWNPOURS AND GUSTY WINDS. RAIN WILL BECOME MORE WIDESPREAD TONG HT...HEAVY AT TIMES DUE TO TROPICAL MOISTURE. LATE NIGHT INTO MONDAY VARIABLE MVFR AND IFR CONDITIONS. 13 && .PREV DISCUSSION... /ISSUED 946 AM CDT SUN SEP 4 2011/ UPDATE... TS LEE WL MV SLOWLY NORTH OVR S LA TDAY. TROPICAL MOISTURE WL CONTINUE TO STREAM NORTH WITH A FEW BREAKS IN THE OVERCAST THIS MORNING. HIGHS IN THE LWR-MID 80S. DESTAB/LIFT COMBINE FOR LKLY POPS THIS AFTN. FCST ON TRACK. 04 PREV DISCUSSION... /ISSUED 327 AM CDT SUN SEP 4 2011/ DISCUSSION... ANALYSIS SHOWING TS LEE STILL LURKING DOWN ALONG THE LA GULF COAST... WITH AN UPSTREAM COLD FRONT NOW NEAR ORD-STL LINE. ADDITIONALLY... WEAK SFC/LL TROUGH AXIS HAS DEVELOPED JUST NORTHWEST OF THE CWA DOWN INTO TS LEE WHICH IS HELPING TO FIRE WESTWARD MOVING CONVECTION NOW EXITING. TS LEE AND APPROACHING COLD FRONT REMAIN THE BIG PLAYERS...ESPECIALLY IN THE SHORT TERM. COLD FRONT WILL CONTINUE ITS SOUTHEAST TRACK TODAY MOVING THROUGH AND JUST EAST OF THE CWA BEFORE STALLING THIS EVENING. AHEAD...GOOD DEEP MOISTURE ADVECTION AND FAVORABLE VERTICAL MOTION CRANKING UP BY 18Z. THIS IS EXPECTED TO SET OFF NUMEROUS SHOWERS THIS AFTERNOON...WHICH WILL BECOME A WIDESPREAD RAIN TONIGHT THROUGH MONDAY NIGHT AS DEEP MOISTURE CONTINUES TO FEED NORTH FROM TROPICAL SYSTEM IN VICINITY OF LL BOUNDARY. THIS WILL BE ESPECIALLY TROUBLESOME FOR THE EXTREME SOUTH AND EAST WHERE A DEEP MOISTURE AXIS WILL STAY THROUGH TUE MORNING AS REMNANTS OF TS LEE LIFTS INTO CENTRAL AL. RAINFALL AMOUNTS OF 3 TO 4 INCHES...LOCALLY HIGHER MAY OCCUR THERE...WHICH COULD CAUSE FLASH AND/OR RIVER FLOODING. HAVE ISSUED FLOOD WATCH THOSE AREA GOING INTO EFFECT TONIGHT AT MIDNIGHT WHEN FFG VALUES WILL BE APPROACHED. AFFECTS OF THE ML/UL REMNANTS OF TS LEE WILL THEN BE FELT ALL THE WAY INTO THE FIRST PART OF THE WEEKEND...BUT TO A LESSER EXTENT. ML/UL TROUGH AXIS PUSHING COLD FRONT WILL EVENTUALLY SWING ON BY NORTH SIDE...LEAVING REMNANTS CUTOFF. ML/UL CUTOFF LOWS WILL THEN WOBBLE AROUND THE REGION FOR THAT LONG PERIOD. DEEP MOISTURE WILL BECOME MORE LIMITED WITH EACH PASSING DAY AND ULTIMATELY...PRESENCE OF LOWS WILL TRANSLATE INTO A COOL PERIOD WITH ISO/SCT SHOWERS. LATEST RUNS ALREADY HINTING AT ANOTHER WAVE IN THE GULF NEXT WEEKEND. 07 && .OHX WATCHES/WARNINGS/ADVISORIES... FLASH FLOOD WATCH FROM MIDNIGHT CDT TONIGHT THROUGH TUESDAY MORNING FOR TNZ011-032>034-061-063>066-075-077>080-093>095. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NASHVILLE TN 544 AM CDT SUN SEP 4 2011 TNZ005>011-022>034-056>066-075-077>080-093>095-051030- STEWART-MONTGOMERY-ROBERTSON-SUMNER-MACON-CLAY-PICKETT-BENTON- HOUSTON-HUMPHREYS-DICKSON-CHEATHAM-DAVIDSON-WILSON-TROUSDALE- SMITH-JACKSON-PUTNAM-OVERTON-FENTRESS-PERRY-HICKMAN-LEWIS- WILLIAMSON-MAURY-MARSHALL-RUTHERFORD-CANNON-DE KALB-WHITE- CUMBERLAND-BEDFORD-COFFEE-WARREN-GRUNDY-VAN BUREN-WAYNE-LAWRENCE- GILES- 544 AM CDT SUN SEP 4 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR MIDDLE TENNESSEE. .DAY ONE...TODAY AND TONIGHT THE REMNANTS OF TROPICAL STORM LEE AND A PASSING COLD FRONT WILL BRING FIRST SCATTERED SHOWERS AND THUNDERSTORMS TO THE AREA TODAY... EVENTUALLY BECOMING WIDESPREAD RAIN TONIGHT. RAINFALL AMOUNTS MAY REACH 1 TO 2 INCHES BY EARLY MONDAY...WITH MOST FALLING IN THE SOUTH. THERE IS A THREAT OF FLOODING ACROSS THE EXTREME SOUTH AND EAST OVERNIGHT. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY... WIDESPREAD...SOMETIMES HEAVY...RAINS WILL CONTINUE MONDAY INTO TUESDAY. LOCATIONS ACROSS THE SOUTH AND EAST COULD SEE 3 TO 5 INCHES TOTAL BY TUESDAY MORNING...WITH 1 TO 3 ACROSS THE NORTHWEST. AGAIN THE SOUTH AND EAST HAS THE GREATEST THREAT OF FLOODING...BOTH FLASH AND RIVER FLOODING. ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE WEDNESDAY THROUGH SATURDAY AS WELL BUT POTENTIAL FOR FLOODING WILL BE MUCH LOWER. .SPOTTER CALL TO ACTION STATEMENT... SPOTTERS AND LOCAL EMERGENCY MANAGEMENT OFFICIALS ARE ENCOURAGED TO REPORT HEAVY RAINFALL AMOUNTS TO THE NATIONAL WEATHER SERVICE IN NASHVILLE. 07
The Knoxville radar (KMRX), 135 km away, was scanning. The volume nearest the first event began at 19:26 UTC.
1 thunderstorm wind, 1 flash flood. Local standard time, as filed.
Two trees were downed along State Highway 52.
Water went over the road at the intersection of State Highway 49 and Mobley Lane.
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, September 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: 332630, 332629.