A band of thunderstorms dropped southeast from middle Tennessee into southern middle Tennessee just before Midnight. Strong winds along the gust front knocked down several trees in Fayetteville in Lincoln County, and a couple of trees in Sewanee in Franklin 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 HUN wrote it up.
A band of thunderstorms dropped southeast from middle Tennessee into southern middle Tennessee just before Midnight. Strong winds along the gust front knocked down several trees in Fayetteville in Lincoln County, and a couple of trees in Sewanee in Franklin 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 Huntsville, AL wrote its last area forecast discussion before the first event at Jul 31, 6:33 PM CST, 4 hours 25 minutes earlier.
Area Forecast Discussion National Weather Service Huntsville AL 733 PM CDT Sat Jul 31 2021 .NEAR TERM...(Tonight) Issued at 733 PM CDT Sat Jul 31 2021 Isolated showers and thunderstorms have dissipated all but for one shower that moved southeast through Huntsville in the past hour. The Heat Advisory has expired as of 00Z, but very muggy conditions continue with dew points in the middle to upper 70s. A veil of high clouds courtesy of anvil debris is covering most of the area. So, the evening should be fairly quiet now with loss of heating. However, deep convection along a cold front from southern MO east to along the KY/TN state line is thriving on MUCAPES of 4000-5000 J/kg and decent convergence and increasing effective bulk shear values. Some of the CAMS have been dropping the zone of convective development southward late tonight, possibly clipping our northern counties. We will keep our low PoPs in for these areas and will evaluate the 00Z guidance as it rolls in. .SHORT TERM...(Sunday through Monday) Issued at 244 PM CDT Sat Jul 31 2021 An upper ridge will amplify along the west coast on Sunday, with troughing over much of the eastern CONUS expected to amplify as well. Meanwhile, another axis of convergence will stall east to west across our area during the day. The combination of surface convergence and forcing aloft will allow for another round of showers and thunderstorms to develop on Sunday. Storm organization will be limited, given weaker deep layer sheer and an inversion aloft, however gusty winds and locally heavy rainfall will be possible with this activity. Thunderstorms will diminish in coverage Sunday evening as the convergence axis/weak front moves to our south, leaving northerly flow at the surface. The axis of the trough will remain over the area through Monday, keeping northwest flow aloft and at the surface. This will bring a drier and slightly cooler airmass, giving us a reprieve of the hot and humid conditions we've experienced the last couple of days. In fact, expect a seasonably cool night on Monday, with dewpoints falling into the upper 50s to lower 60s and lows in the lower 60s. .LONG TERM...(Monday night through Friday) Issued at 244 PM CDT Sat Jul 31 2021 The TN Valley will remain under the influence of an amplified trough that will remain anchored over the eastern CONUS through much of the extended period. Persistent northwesterly flow will keep a mostly dry pattern over the area as PW values remain below our seasonal norm (~1.5 inch). Weak shortwaves rotating around the base of this trough may allow for isolated thunderstorms to develop during the afternoons on Wednesday through Friday, however the limited moisture will keep the coverage fairly low. Otherwise, expect seasonal temps with highs in the mid to upper 80s and overnight lows in the 60s. && .AVIATION...(For the 00Z TAFS through 00Z Sunday evening) Issued at 539 PM CDT Sat Jul 31 2021 VFR conditions are expected overall, but there is a low probability of additional SHRA or TSRA overnight into early Sunday morning as a cold front approaches. Patchy BR/FG is possible late tonight, but have left out of the terminals due to less rainfall coverage today. Northwest winds will develop behind a cold front passage on Sunday. && .HUN WATCHES/WARNINGS/ADVISORIES... AL...NONE. TN...NONE. && NEAR TERM...17 SHORT TERM...73 LONG TERM...73 AVIATION...17 For more information please visit our website at weather.gov/huntsville.
Hazardous Weather Outlook National Weather Service Huntsville AL 856 PM CDT Sat Jul 31 2021 ALZ001>010-016-TNZ076-096-097-011100- Lauderdale-Colbert-Franklin AL-Lawrence-Limestone-Madison-Morgan- Marshall-Jackson-DeKalb-Cullman-Moore-Lincoln-Franklin TN- 856 PM CDT Sat Jul 31 2021 This Hazardous Weather Outlook is for north Alabama and portions of southern middle Tennessee. .DAY ONE...Tonight... A few thunderstorms will drop southeast into the area late tonight. Some of the storms could be strong, and may be capable of gusty winds, frequent lightning and locally heavy rainfall. .DAYS TWO THROUGH SEVEN...Sunday through Friday... There is a chance of for thunderstorms on Sunday, with lesser chances on Monday. Isolated to widely scattered thunderstorms will be possible across mainly the eastern portion of the outlook area each day from Tuesday through Friday. .SPOTTER CALL TO ACTION STATEMENT... Activation of storm spotters and emergency management personnel is not anticipated at this time.
The Northeast Alabama radar (KHTX), 51 km away, was scanning. The volume nearest the first event began at 04:58 UTC.
3 thunderstorm wind. Local standard time, as filed.
Several trees were knocked down in the city of Fayetteville, including one onto a truck. Time estimated by radar.
Power lines were knocked down along Flintville School Road. Time estimated by radar.
A couple of trees were knocked down along Roarks Cove Road. Time estimated by radar.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Tennessee in 2021Every state in 2021This day in weather historyWarnings in Tennessee, July 2021
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: 978838, 978836, 978837.