Isolated severe thunderstorms developed across Middle Tennessee during the late morning through afternoon hours on Thursday, August 12th, resulting in thunderstorm wind damage across five counties.
Every event with a place to put it. Tap one for its entry below.
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.
Isolated severe thunderstorms developed across Middle Tennessee during the late morning through afternoon hours on Thursday, August 12th, resulting in thunderstorm wind damage across five counties.
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 Aug 12, 4:42 AM CST, 6 hours 33 minutes earlier.
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE NASHVILLE TN 542 AM CDT THU AUG 12 2010 .UPDATE...FOR 12Z AVIATION DISCUSSION. && .AVIATION...12Z AVIATION DISCUSSION. UNCERTAINTIES...TIMING DEVELOPMENT/AREAL COVERAGE/IMPACTS ISO SHWRS/TSTMS... POTENTIAL BR/HZ BNA/CSV AOA 13/02Z-13/12Z. DESPITE STRONG UPPER LEVEL RIDGING THRU 13/12Z...ISO SHWRS/TSTMS POSSIBLE PER DIURNAL HEATING/ORAGRAPHIC EFFECTS/LOW LEVEL MOISTURE PREVALENCE. BEST DEVELOPMENT TIME FRAME WILL BE 12/17Z-13/02Z. ADDRESSED ISO SHWRS/TSTMS POTENTIAL WITH CB REMARK. BR/HZ DEVELOPMENT AT TAF SITES STILL HAS NOT OCCURRED THIS MORNING. UNLESS SHWRS /TSTMS DEVELOP IN VICINITY/OVER TAF SITES OR AIR FLOW BECOMES VERY STAGNANT ACROSS TAF SITES...NOT EXPECTING BR/HZ DEVELOPMENT 13/02Z-13/12Z ALSO. && .PREV DISCUSSION.../ISSUED 259 AM CDT THU AUG 12 2010/ DISCUSSION... WILL CONTINUE HEAT ADVISORY FOR TODAY ACROSS THE WESTERN TWO THIRDS OF THE MID STATE. NASHVILLE CURRENTLY IN A LONG RUN OF 25 CONSECUTIVE DAYS OF 90 DEGREES AND ABOVE THAT STARTED ON JULY 18TH AND WE HAVE A GOOD CHANCE OF BREAKING THE ALL-TIME RECORD STRING OF 34 DAYS SET BACK IN JULY AND AUGUST OF 2007. RELENTLESS UPPER RIDGE THATS BEEN RESPONSIBLE FOR THE HOT WEATHER WILL REMAIN SPRAWLED ACROSS THE SOUTHERN U.S. INTO THE FIRST PART OF THE WEEKEND. THIS WILL LIMIT RAIN CHANCES FOR MID STATE WITH SCATTERED STORMS ABOUT THE ONLY POSSIBILITY NEXT TWO OR THREE DAYS. UPPER RIDGE FINALLY BEGINS RETROGRADING INTO THE SOUTHWEST FIRST OF NEXT WEEK ALLOWING AN UPPER TROUGH TO CARVE OUT OVER UPPER MIDWEST AND NORTHEASTERN U.S. BY SUNDAY TEMPS WILL BACK DOWN A LITTLE AS A FRONTAL SYSTEM APPROACHES BRINGING INCREASED RAIN CHANCES BUT HEAT INDICIES WILL STILL BE IN THE 100 TO 105 RANGE ON SUNDAY. FRONTAL SYSTEM STALLS ACROSS THE AREA ON MONDAY AND TUESDAY. TEMPS MONDAY AND TUESDAY COOL A DEGREE OR TWO. UPPER TROUGH REMAINS ACROSS THE AREA MUCH OF NEXT WEEK. NOT SURE HOW FAR SOUTH IT WILL GET BUT THERE WILL BE A CANADIAN AIR MASS POISED OVER THE HIGH PLAINS ON WEDNESDAY. ALSO...WILL NEED TO WATCH THE GULF NEXT WEEK AS ANOTHER SYSTEM WILL BE FORMING NEAR THE COAST EARLY IN THE WORK WEEK. && .OHX WATCHES/WARNINGS/ADVISORIES... HEAT ADVISORY UNTIL 7 PM CDT FRIDAY FOR TNZ005>010-022>031- 056>064-075-077-093>095. && 31
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NASHVILLE TN 500 AM CDT THU AUG 12 2010 TNZ005>010-022>031-056>064-075-077-093>095-131000- STEWART-MONTGOMERY-ROBERTSON-SUMNER-MACON-CLAY-BENTON-HOUSTON- HUMPHREYS-DICKSON-CHEATHAM-DAVIDSON-WILSON-TROUSDALE-SMITH- JACKSON-PERRY-HICKMAN-LEWIS-WILLIAMSON-MAURY-MARSHALL-RUTHERFORD- CANNON-DE KALB-BEDFORD-COFFEE-WAYNE-LAWRENCE-GILES- 500 AM CDT THU AUG 12 2010 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT FRIDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR MIDDLE TENNESSEE. .DAY ONE...TODAY AND TONIGHT A HEAT ADVISORY IS IN EFFECT FOR AREAS WEST OF THE CUMBERLAND PLATEAU REGION...GENERALLY ALONG AND WEST OF A CELINA...TO SMITHVILLE...TO MANCHESTER LINE. AFTERNOON HIGH TEMPERATURES WILL CONTINUE TO BE MAINLY IN THE UPPER 90S ACROSS THIS AREA...WITH HEAT INDEX VALUES DURING THE AFTERNOON HOURS RANGING FROM 103 TO 107. MORE INFORMATION IS AVAILABLE ON THE INTERNET AT WEATHER.GOV OR BY LISTENING TO NOAA WEATHER RADIO. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY THE HEAT WAVE WILL CONTINUE AS A HEAT ADVISORY IS IN EFFECT FOR AREAS WEST OF THE CUMBERLAND PLATEAU THROUGH FRIDAY EVENING. LOCATIONS GENERALLY ALONG AND WEST OF A CELINA...TO SMITHVILLE ...TO MANCHESTER LINE WILL CONTINUE TO EXPERIENCE THESE ADVISORY CONDITIONS...AS AFTERNOON HIGH TEMPERATURES WILL BE MAINLY IN THE UPPER 90S AGAIN OF FRIDAY ACROSS THIS AREA...WITH HEAT INDEX VALUES DURING THE AFTERNOON HOURS RANGING FROM 103 TO 108. THERE IS THE POSSIBILITY THAT THIS ADVISORY MAYBE EXTENDED FOR ALL OR PORTIONS OF THE ABOVE MENTIONED AREA THROUGH THE WEEKEND. SOME RELIEF FROM THE HEAT IS EXPECTED NEXT WEEK...BUT TEMPERATURES WILL CONTINUE TO REMAIN ABOVE NORMAL. MORE INFORMATION IS AVAILABLE ON THE INTERNET AT WEATHER.GOV OR BY LISTENING TO NOAA WEATHER RADIO. TNZ011-032>034-065-066-078>080-131000- PICKETT-PUTNAM-OVERTON-FENTRESS-WHITE-CUMBERLAND-WARREN-GRUNDY- VAN BUREN- 500 AM CDT THU AUG 12 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR MIDDLE TENNESSEE. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. 31
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NASHVILLE TN 1215 PM CDT THU AUG 12 2010 TNZ077-079-121730- COFFEE-GRUNDY- 1215 PM CDT THU AUG 12 2010 ...SIGNIFICANT WEATHER ADVISORY FOR COFFEE AND GRUNDY COUNTIES... AT 1212 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR MANCHESTER...MOVING SOUTH AT 5 MPH. SMALL HAIL...AND WINDS 30 TO 40 MPH ARE EXPECTED WITH THIS STORM. 04
The Northeast Alabama radar (KHTX), 60 km away, was scanning. The volume nearest the first event began at 17:13 UTC.
4 thunderstorm wind. Local standard time, as filed.
Spotter reported several broken tree limbs, trash cans blown down along a few streets, along with one tree uprooted.
Numerous trees were blown down and minor roof damage occurred in Pleasant View.
Numerous trees were reported down in Belle Meade and the adjacent surrounding areas.
Numerous trees and power lines were reported downed along Bakerville Road.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Tennessee in 2010Every state in 2010This day in weather historyWarnings in Tennessee, August 2010
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: 256621, 256627, 256624, 256628.