A line of showers and thunderstorms moved across Middle Tennessee from the late evening hours on April 18 into the early morning hours on April 19. Gusty south winds ahead of the line of storms produced some isolated wind damage.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. 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.
A line of showers and thunderstorms moved across Middle Tennessee from the late evening hours on April 18 into the early morning hours on April 19. Gusty south winds ahead of the line of storms produced some isolated wind damage. As the line intensified somewhat along and east of the I-65 corridor, several more reports of wind damage were received.
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 Apr 18, 7:59 PM CST, 1 hour 1 minute earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NASHVILLE TN 859 PM CDT THU APR 18 2013 .MESOSCALE UPDATE...A COLD FRONT WAS OVER WEST TN WITH WIDESPREAD SHOWERS AND SOME EMBEDDED THUNDERSTORMS ALONG AND AHEAD OF IT. INDIVIDUAL CELLS WERE ZIPPING ALONG NEAR 50 MPH...BUT THE OVERALL EASTWARD PROGRESS OF THE LINE WAS RATHER SLUGGISH. THE EVENING UPPER AIR DATA FROM HERE IN NASHVILLE SHOWS MOSTLY UNFAVORABLE CONDITIONS FOR SIGNIFICANT SEVERE WX. SHEAR WAS DECENT...BUT OTHER FACTORS INCLUDING CAPPING AND VERY LOW CAPE WERE QUITE UNFAVORABLE. SPC HAS APPROPRIATELY SCALED DOWN THE SLIGHT RISK AREA TO INCLUDE JUST OUR SOUTHWEST COUNTIES. STILL...WITH LIFT AND INCREASING MOISTURE CONVERGENCE AHEAD OF THE APPROACHING FRONT AND STRENGTHENING MID LEVEL WINDS...A FEW SMALL BOW SEGMENTS COULD BRING SOME STRONG WIND GUSTS TO THE SURFACE. RADAR WILL PROBABLY SHOW NUMEROUS NON PRODUCTIVE SMALL CIRCULATIONS OR BOWS THROUGH THIS EVENING...AND WE WILL HAVE TO KEEP AN EYE ON THEM. OTHERWISE...THE AREA OF RAIN AND EMBEDDED STORMS WILL DRAG ACROSS THE AREA THROUGH THE NIGHT WITH AN INCH OR 2 OF RAIN. SOME LOCALIZED BRIEF FLOODING MAY OCCUR WITH THE HEAVIEST DOWNPOURS. 13 && .PREV DISCUSSION... /ISSUED 644 PM CDT THU APR 18 2013/ UPDATE...FOR 00Z AVIATION FORECASTS. AVIATION...VFR CONDITIONS ARE EXPECTED DURING THE FIRST PART OF THE FORECAST PERIOD, PRIOR TO THE ARRIVAL OF A LINE OF CONVECTION CURRENTLY OVER WESTERN TENNESSEE. CONDITIONS SHOULD DETERIORATE FROM THE WEST AFTER 03Z, WITH CONDITIONS BECOMING MVFR AT CKV BY 03Z- 06Z, 04Z-07Z AT BNA, AND 09Z-12Z AT CSV. BRIEF PERIODS OF IFR ARE ALSO EXPECTED AS THE LINE OF SHRA AND TSRA MOVES ACROSS EACH TERMINAL. SURFACE WINDS WILL REMAIN SOUTHERLY AND GUSTY AS THE CONVECTION APPROACHES TONIGHT, THEN BECOME WESTERLY AND GUSTY FOLLOWING FRONTAL PASSAGE. STRONG SHEAR AND TURBULENCE CAN BE EXPECTED INVOF THUNDERSTORMS. && .OHX WATCHES/WARNINGS/ADVISORIES... WIND ADVISORY UNTIL 1 AM CDT FRIDAY FOR TNZ005>011-022>034- 056>066-075-077>080-093>095. &&
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE NASHVILLE TN 503 PM CDT THU APR 18 2013 TNZ005>011-022>034-056>066-075-077>080-093>095-191000- 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- 503 PM CDT THU APR 18 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR MIDDLE TENNESSEE. ...WIND ADVISORY IN EFFECT THROUGH 1 AM CDT FRIDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR MIDDLE TENNESSEE. .DAY ONE...THIS AFTERNOON AND TONIGHT THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS EVENING AND TONIGHT ACROSS MIDDLE TENNESSEE. A LINE OF SHOWERS AND POTENTIALLY SEVERE THUNDERSTORMS WILL DEVELOP ALONG A COLD FRONT AND MOVE ACROSS MIDDLE TENNESSEE THIS EVENING THROUGH TONIGHT. THIS LINE OF STORMS IS EXPECTED TO REACH THE TENNESSEE RIVER BY MID-EVENING...THE I-65 CORRIDOR AROUND MIDNIGHT...AND EXIT EAST OF THE MID STATE BY SUNRISE FRIDAY MORNING. GUSTY SOUTH WINDS OF 15 TO 30 MPH WITH OCCASIONAL GUSTS UP TO 40 MPH WILL CONTINUE THROUGH THE EVENING HOURS TONIGHT...THUS A WIND ADVISORY WILL CONTINUE FOR ALL OF MIDDLE TENNESSEE THROUGH THE EVENING HOURS. SOME STORMS WITHIN THE LINE MAY BE SEVERE WITH DAMAGING WINDS. ISOLATED TORNADOES CANNOT BE RULED OUT. THE GREATEST POTENTIAL FOR SEVERE WEATHER WILL WEST OF INTERSTATE 65. HEAVY RAINFALL OF 1 TO 2 INCHES IS EXPECTED AREA WIDE WITH LOCALIZED TOTALS UP TO 3 INCHES...WHICH MAY CAUSE LOCALIZED FLOODING. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY PATCHY FROST IS POSSIBLE SATURDAY MORNING AS LOW TEMPERATURES FALL INTO THE MID TO UPPER 30S. .SPOTTER INFORMATION STATEMENT... REPORTS FROM TRAINED WEATHER SPOTTERS WILL BE NEEDED THROUGH TONIGHT. SPOTTER THUNDERSTORM REPORTING CRITERIA... TORNADO FUNNEL CLOUD FLOODING HAIL >= 1/2 INCH WINDS > 50 MPH (MEASURED) STRUCTURAL DAMAGE TREES OR POWER LINES DOWN 31/13
The Northeast Alabama radar (KHTX), 62 km away, was scanning. The volume nearest the first event began at 05:37 UTC.
5 thunderstorm wind, 1 strong wind. Local standard time, as filed.
Coffee County 911 reported trees blown down on Wiseman Road in Tullahoma due to strong gradient winds ahead of a line of thunderstorms.
A tree was blown down at Brook Hollow Road and Georgetown Drive.
A tree was blown down across a road and several street signs were also blown down in Spring Hill.
A tree was blown down on Asbury Road in Manchester.
A few trees were blown down on Highway 108 in Gruetli-Laager.
A tree was blown down on Buck Mountain Road. Power was also out in the area.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Tennessee in 2013Every state in 2013This day in weather historyWarnings in Tennessee, April 2013
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: 440052, 440047, 440048, 440049, 440050, 440051.