Scattered showers and thunderstorms developed across Middle Tennessee in the afternoon hours on September 28th, leading to some isolated wind damage.
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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.
Scattered showers and thunderstorms developed across Middle Tennessee in the afternoon hours on September 28th, leading to some isolated wind damage.
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 28, 1:41 PM CST, 1 hour 19 minutes earlier.
Area Forecast Discussion National Weather Service Nashville TN 241 PM CDT Mon Sep 28 2020 .DISCUSSION... Latest sfc analysis places the cold front just to the west of the Cumberland Plateau. Radar imagery showing the best forcing just to the west of the boundary with no lightning indicated. The shower activity will continue to move slowly eastward. The front will actually slow down later this evening. Will include a pre evening period for the upcoming zones. Showers will likely hang on across the Plateau overnight, though coverage will decrease. Moving on, upper level system will dig southeastward over the next 24 hours. This will allow for a low chance of light shower activity on Tuesday. Look for skies to clear Tuesday night as the short wave axis shifts east and nva moves in. Wednesday looking very nice under mostly sunny skies. For the near term temps, falling temps this evening and tonight with lows upper 40s to lower 50s by morning. 60s for highs on Tuesday. Warmer on Wednesday with highs in the 70s under plentiful sunshine and lower humidity. In the ext fcst, a generally dry frontal passage is expected on Thursday with cooler air to follow. Conditions look dry with a disturbance free broad upper trough prevailing. Next chance of shower activity will be Sunday into Monday as a stronger shortwave moves through. For the ext temps, turning cooler behind that Thursday fropa. After the 70s for highs on Thursday, max temps will hold in the 60s to near 70 for the remainder of the extended. The sfc high will reach its closest proximity on Saturday morning. At that time, low temps will dip down into the lower to mid 40s, maybe even a few upper 30s Plateau. Hello October! && .AVIATION... 18Z TAF DISCUSSION. Fropa will bring SHRA, gusty northwest winds and MVFR cigs/vis to BNA/MQY/CKV this afternoon before rain ends by this evening, with improvement back to VFR and winds decreasing to 5 knots or less. CSV will see VFR conditions and gusty south winds for a couple more hours before fropa arrives with SHRA, strong northwest winds and IFR conditions. CSV will improve back to VFR this evening but go back down to MVFR cigs/vis overnight. && .PRELIMINARY POINT TEMPS/POPS... Nashville 52 67 48 75 54 / 20 20 0 10 10 Clarksville 48 67 47 75 50 / 0 20 0 0 0 Crossville 51 64 43 68 51 / 80 30 10 10 10 Columbia 50 67 47 75 53 / 20 20 0 0 10 Lawrenceburg 50 67 47 74 53 / 30 20 0 10 10 Waverly 49 67 46 75 51 / 10 20 0 0 0 && .OHX WATCHES/WARNINGS/ADVISORIES... NONE. && DISCUSSION......21 AVIATION........Shamburger
Hazardous Weather Outlook National Weather Service Nashville TN 455 AM CDT Mon Sep 28 2020 TNZ005>011-023>034-056>066-075-077>080-093>095-291000- 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- 455 AM CDT Mon Sep 28 2020 This Hazardous Weather Outlook is for Middle Tennessee. .DAY ONE...Today and tonight. Mostly showers with a few thunderstorms expected today. One or two of these storms could produce wind gusts up to 40 mph east of I-65 between noon and 5 pm this afternoon. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. 27
The Northeast Alabama radar (KHTX), 47 km away, was scanning. The volume nearest the first event began at 21:01 UTC.
1 thunderstorm wind. Local standard time, as filed.
Trees down on power lines and across Highway 50 at Clouse Hill Road.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Tennessee in 2020Every state in 2020This day in weather historyWarnings in Tennessee, September 2020
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: 921816.