Scattered showers and thunderstorms developed across southwestern Middle Tennessee during the afternoon hours on August 22. One storm became severe across northern Giles County.
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.
Scattered showers and thunderstorms developed across southwestern Middle Tennessee during the afternoon hours on August 22. One storm became severe across northern Giles County.
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 22, 1:59 PM CST, 41 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NASHVILLE TN 259 PM CDT SAT AUG 22 2015 .DISCUSSION... UPPER LOW SPINNING OVER ARKANSAS EVIDENT IN WATER VAPOR IS RESPONSIBLE FOR THE SCATTERED SHOWERS AND STORMS FROM MO SEWD TO AL. THE LINE OF SCATTERED ACTIVITY MARKS A MOISTURE BOUNDARY...BUT THAT/S RUNNING INTO RELATIVELY DRIER AIR ACROSS MIDDLE AND ERN TN. THINK THE CURRENT ACTIVITY WILL CONTINUE TO PUSH TOWARD NRN MIDDLE TN AND WILL WEAKEN AFTER SUNSET RUNNING INTO THIS DRIER AIR AND AS THE UPPER LOW PUSHES EAST OVERNIGHT. HAVE HIGHER POPS OVER THE SRN HALF OF MIDDLE TN CLOSER TO THE HIGHER MOISTURE...WITH JUST SLIGHT CHC POPS AFTER MIDNIGHT. BY SUNDAY MORNING...A STRONGER UPPER LOW AND ASSOCIATED TROUGH WILL MOVE ACROSS THE GREAT LAKES DRAGGING ITS COLD FRONT ACROSS THE TN VALLEY LATE SUNDAY INTO EARLY MONDAY MORNING. WITH MOST OF THE ENERGY FOCUSED WELL NORTH...JUST KEPT LOWER CHC POPS ACROSS THE AREA WITH THE BEST CHC OCCURRING SUNDAY AFTERNOON OVER WRN MIDDLE TN. UNIMPRESSED WITH THE DYNAMICS BUT SOME INSTABILITY IN PLACE MAY LEAD TO A FEW STRONGER STORMS WITH GUSTY WINDS. DESPITE MORE CLOUD COVER AND POTENTIAL FOR STORMS...SHOULD STILL REACH HIGHS IN THE MID-UPPER 80S SUNDAY AFTERNOON. THEREAFTER...THE COLD FRONT WILL USHER IN A COOLER AND DRIER HIGH PRESSURE AND NW FLOW PATTERN FOR THE ENTIRE WORK WEEK. HIGHS IN THE LOW 80S AND LOWS IN THE 50S WILL FEEL OUTSTANDING FOR LATE AUGUST. WE SHOULD SEE WARMER TEMPS AT OR ABOVE CLIMO BY NEXT WEEKEND WITH A SLIGHTLY MORE SOUTHERLY FLOW AS SFC HIGH PRESSURE SLIDES EASTWARD. && .PRELIMINARY POINT TEMPS/POPS... NASHVILLE 68 88 67 83 / 30 30 30 0 CLARKSVILLE 67 86 62 80 / 30 30 30 0 CROSSVILLE 66 82 66 78 / 30 30 30 10 COLUMBIA 67 88 67 83 / 40 30 20 0 LAWRENCEBURG 68 87 68 82 / 40 40 20 0 WAVERLY 67 86 64 81 / 40 40 30 0 && .OHX WATCHES/WARNINGS/ADVISORIES... NONE. && AL
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NASHVILLE TN 535 AM CDT SAT AUG 22 2015 TNZ005>011-023>034-056>066-075-077>080-093>095-231030- STEWART-MONTGOMERY-ROBERTSON-SUMNER-MACON-CLAY-PICKETT-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- 535 AM CDT SAT AUG 22 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF MIDDLE TENNESSEE. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. 19
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
323 PM CDT SAT AUG 22 2015
TNZ060-061-095-222100-
MARSHALL TN-GILES TN-MAURY TN-
323 PM CDT SAT AUG 22 2015
...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN GILES...SOUTHERN
MAURY AND WEST CENTRAL MARSHALL COUNTIES UNTIL 400 PM CDT...
AT 322 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 8
MILES SOUTH OF MOUNT PLEASANT...OR 14 MILES SOUTHWEST OF COLUMBIA...
MOVING EAST AT 30 MPH.
WINDS IN EXCESS OF 30 MPH WILL BE POSSIBLE WITH THIS STORM.
LOCATIONS IMPACTED INCLUDE...
COLUMBIA...MOUNT PLEASANT...CORNERSVILLE...LYNNVILLE...I-65 EAST OF
COLUMBIA AND CULLEOKA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
&&
LAT...LON 3539 8722 3543 8721 3544 8723 3543 8723
3544 8729 3546 8729 3547 8728 3550 8728
3550 8727 3551 8728 3565 8687 3537 8682
3532 8721
TIME...MOT...LOC 2022Z 255DEG 27KT 3544 8717
21SPECIAL WEATHER STATEMENT...UPDATED
NATIONAL WEATHER SERVICE
NASHVILLE TN 323 PM CDT SAT AUG 22 2015
TNZ060-061-095-222100-
MARSHALL TN-GILES TN-MAURY TN-
323 PM CDT SAT AUG 22 2015
...SIGNIFICANT WEATHER ADVISORY CONTINUES FOR NORTHWESTERN
GILES...SOUTHERN MAURY AND WEST CENTRAL MARSHALL COUNTIES UNTIL 400
PM CDT...
AT 322 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 8
MILES SOUTH OF MOUNT PLEASANT...OR 14 MILES SOUTHWEST OF COLUMBIA...
MOVING EAST AT 30 MPH.
ONE HALF INCH HAIL AND WINDS IN EXCESS OF 30 MPH WILL BE POSSIBLE
WITH THIS STORM.
LOCATIONS IMPACTED INCLUDE...
COLUMBIA...MOUNT PLEASANT...CORNERSVILLE...LYNNVILLE...I-65 EAST OF
COLUMBIA AND CULLEOKA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
&&
LAT...LON 3539 8722 3543 8721 3544 8723 3543 8723
3544 8729 3546 8729 3547 8728 3550 8728
3550 8727 3551 8728 3565 8687 3537 8682
3532 8721
TIME...MOT...LOC 2022Z 255DEG 27KT 3544 8717
21The Northeast Alabama radar (KHTX), 99 km away, was scanning. The volume nearest the first event began at 20:39 UTC.
1 thunderstorm wind. Local standard time, as filed.
Trees were blown down on Yokely Road and Happy Hill Road in Lynnville.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Tennessee in 2015Every state in 2015This day in weather historyWarnings in Tennessee, August 2015
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: 596599.