Alert archive / Tennessee / Flash Flood Watches in 2021

Flash Flood Watch 9, NWS Nashville, TN

September 18, 202138 counties in Tennessee

NWS Nashville, TN issued this flash flood watch at Sep 18, 2021, 2:24 AM CDT for 38 counties in Tennessee. It was in force for 65 hr.

The area

The counties it named.

The facts

Issued
Sep 18, 2021, 2:24 AM CDT (07:24 UTC)
Expired
Sep 20, 2021, 7:00 PM CDT
In force
65 hr
Issued by
NWS Nashville, TN
Flood severity
None
All 38 counties

Bedford County, TN, Cannon County, TN, Cheatham County, TN, Clay County, TN, Coffee County, TN, Cumberland County, TN, Davidson County, TN, DeKalb County, TN, Dickson County, TN, Fentress County, TN, Giles County, TN, Grundy County, TN, Hickman County, TN, Houston County, TN, Humphreys County, TN, Jackson County, TN, Lawrence County, TN, Lewis County, TN, Macon County, TN, Marshall County, TN, Maury County, TN, Montgomery County, TN, Overton County, TN, Perry County, TN, Pickett County, TN, Putnam County, TN, Robertson County, TN, Rutherford County, TN, Smith County, TN, Stewart County, TN, Sumner County, TN, Trousdale County, TN, Van Buren County, TN, Warren County, TN, Wayne County, TN, White County, TN, Williamson County, TN, Wilson County, TN

The radar

The Nashville radar (KOHX), 30 km from the middle of the area, began a volume at 07:28 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 7.4 hours before the alert went out and 20 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Nashville Metro, TN at 00:00Z on 2021-09-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 845 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 00:00Z on 2021-09-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
845 J/kg
Mixed-layer CIN
-74 J/kg
Mixed-layer LCL
742 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
25 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

749 
WGUS64 KOHX 180724
FFAOHX

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Nashville TN
224 AM CDT Sat Sep 18 2021

TNZ007-008-026>028-056>062-075-093>095-181215-
/O.NEW.KOHX.FF.A.0009.210918T0724Z-210920T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Robertson-Sumner-Cheatham-Davidson-Wilson-Perry-Hickman-Lewis-
Williamson-Maury-Marshall-Rutherford-Bedford-Wayne-Lawrence-Giles-
Including the cities of Goodlettsville, Lebanon, Pulaski, 
Springfield, Linden, Murfreesboro, Columbia, Brentwood, Nashville, 
Kingston Springs, Ashland City, Waynesboro, Franklin, La Vergne, 
Lewisburg, Lawrenceburg, Lobelville, Mount Juliet, Smyrna, Clifton, 
Hendersonville, Hohenwald, Centerville, Shelbyville, and Gallatin
224 AM CDT Sat Sep 18 2021

...FLASH FLOOD WATCH IN EFFECT THROUGH SUNDAY EVENING...

The National Weather Service in Nashville has issued a

* Flash Flood Watch for a portion of Middle Tennessee, including the 
  following areas, Bedford, Cheatham, Davidson, Giles, Hickman, 
  Lawrence, Lewis, Marshall, Maury, Perry, Robertson, Rutherford, 
  Sumner, Wayne, Williamson and Wilson.

* Through Sunday evening.

* Numerous showers and thunderstorms are expected to produce 
  moderate to heavy rain today, with a break in the rain tonight 
  before more rain falls on Sunday. Rainfall totals of 1 to 3 inches 
  are expected through Sunday, with locally higher amounts of 4 to 6 
  inches possible, which may lead to flash flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

Shamburger
7 follow-up statements
407 
WGUS64 KOHX 181633
FFAOHX

Flood Watch
National Weather Service Nashville TN
1133 AM CDT Sat Sep 18 2021

TNZ007-008-026>028-056>062-075-093>095-190300-
/O.CON.KOHX.FF.A.0009.000000T0000Z-210920T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Robertson-Sumner-Cheatham-Davidson-Wilson-Perry-Hickman-Lewis-
Williamson-Maury-Marshall-Rutherford-Bedford-Wayne-Lawrence-Giles-
Including the cities of Goodlettsville, Lebanon, Pulaski, 
Springfield, Linden, Murfreesboro, Columbia, Brentwood, Nashville, 
Kingston Springs, Ashland City, Waynesboro, Franklin, La Vergne, 
Lewisburg, Lawrenceburg, Lobelville, Mount Juliet, Smyrna, Clifton, 
Hendersonville, Hohenwald, Centerville, Shelbyville, and Gallatin
1133 AM CDT Sat Sep 18 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH SUNDAY EVENING...

The Flash Flood Watch continues for

* A portion of Middle Tennessee, including the following areas, 
  Bedford, Cheatham, Davidson, Giles, Hickman, Lawrence, Lewis, 
  Marshall, Maury, Perry, Robertson, Rutherford, Sumner, Wayne, 
  Williamson and Wilson.

* Through Sunday evening.

* Numerous showers and thunderstorms are expected to produce 
  moderate to heavy rain today, with a break in the rain tonight 
  before more rain falls on Sunday. Rainfall totals of 1 to 3 inches 
  are expected through Sunday, with locally higher amounts of 4 to 6 
  inches possible, which may lead to flash flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

21
410 
WGUS64 KOHX 190050
FFAOHX

Flood Watch
National Weather Service Nashville TN
750 PM CDT Sat Sep 18 2021

TNZ007-008-026>028-056>062-075-093>095-191000-
/O.CON.KOHX.FF.A.0009.000000T0000Z-210920T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Robertson-Sumner-Cheatham-Davidson-Wilson-Perry-Hickman-Lewis-
Williamson-Maury-Marshall-Rutherford-Bedford-Wayne-Lawrence-Giles-
Including the cities of Goodlettsville, Lebanon, Pulaski, 
Springfield, Linden, Murfreesboro, Columbia, Brentwood, Nashville, 
Kingston Springs, Ashland City, Waynesboro, Franklin, La Vergne, 
Lewisburg, Lawrenceburg, Lobelville, Mount Juliet, Smyrna, Clifton, 
Hendersonville, Hohenwald, Centerville, Shelbyville, and Gallatin
750 PM CDT Sat Sep 18 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH SUNDAY EVENING...

The Flash Flood Watch continues for

* A portion of Middle Tennessee, including the following areas, 
  Bedford, Cheatham, Davidson, Giles, Hickman, Lawrence, Lewis, 
  Marshall, Maury, Perry, Robertson, Rutherford, Sumner, Wayne, 
  Williamson and Wilson.

* Through Sunday evening.

* Even with a potential break in rainfall tonight, more rainfall is 
  expected to fall on Sunday. Rainfall totals of 1 to 3 inches are 
  expected through Sunday, with locally higher amounts of 4 to 6 
  inches possible, which may lead to flash flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

JB Wright
755 
WGUS64 KOHX 190713
FFAOHX

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Nashville TN
213 AM CDT Sun Sep 19 2021

TNZ005-006-009>011-023>025-029>034-063>066-077>080-192100-
/O.EXB.KOHX.FF.A.0009.000000T0000Z-210921T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Stewart-Montgomery-Macon-Clay-Pickett-Houston-Humphreys-Dickson-
Trousdale-Smith-Jackson-Putnam-Overton-Fentress-Cannon-De Kalb-White-
Cumberland-Coffee-Warren-Grundy-Van Buren-
Including the cities of Crossville, Carthage, McEwen, Clarksville, 
Coalmont, Altamont, Jamestown, Celina, Waverly, Tullahoma, Woodbury, 
McMinnville, Sparta, Dickson, Manchester, Cookeville, New 
Johnsonville, Livingston, Lafayette, Gainesboro, Hartsville, 
Allardt, Tennessee Ridge, Spencer, Dover, Byrdstown, Erin, South 
Carthage, Smithville, and Gordonsville
213 AM CDT Sun Sep 19 2021

...FLASH FLOOD WATCH IN EFFECT THROUGH MONDAY EVENING...

The National Weather Service in Nashville has expanded the

* Flash Flood Watch to include a portion of Middle Tennessee, 
  including the following areas, Cannon, Clay, Coffee, Cumberland, 
  De Kalb, Dickson, Fentress, Grundy, Houston, Humphreys, Jackson, 
  Macon, Montgomery, Overton, Pickett, Putnam, Smith, Stewart, 
  Trousdale, Van Buren, Warren and White.

* Through Monday evening.

* Numerous showers and thunderstorms with moderate to heavy rain are 
  expected again today, with a break in the rain tonight before more 
  rain falls on Monday. Additional rainfall amounts of 1 to 3 inches 
  with localized amounts of 4 to 6 inches are anticipated, which may 
  lead to flash flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

TNZ007-008-026>028-056>062-075-093>095-192100-
/O.EXT.KOHX.FF.A.0009.000000T0000Z-210921T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Robertson-Sumner-Cheatham-Davidson-Wilson-Perry-Hickman-Lewis-
Williamson-Maury-Marshall-Rutherford-Bedford-Wayne-Lawrence-Giles-
Including the cities of Goodlettsville, Lebanon, Pulaski, 
Springfield, Linden, Murfreesboro, Columbia, Brentwood, Nashville, 
Kingston Springs, Ashland City, Waynesboro, Franklin, La Vergne, 
Lewisburg, Lawrenceburg, Lobelville, Mount Juliet, Smyrna, Clifton, 
Hendersonville, Hohenwald, Centerville, Shelbyville, and Gallatin
213 AM CDT Sun Sep 19 2021

...FLASH FLOOD WATCH NOW IN EFFECT THROUGH MONDAY EVENING...

The Flash Flood Watch is now in effect for

* A portion of Middle Tennessee, including the following areas, 
  Bedford, Cheatham, Davidson, Giles, Hickman, Lawrence, Lewis, 
  Marshall, Maury, Perry, Robertson, Rutherford, Sumner, Wayne, 
  Williamson and Wilson.

* Through Monday evening.

* Numerous showers and thunderstorms with moderate to heavy rain are 
  expected again today, with a break in the rain tonight before more 
  rain falls on Monday. Additional rainfall amounts of 1 to 3 inches 
  with localized amounts of 4 to 6 inches are anticipated, which may 
  lead to flash flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

Shamburger
143 
WGUS64 KOHX 191906
FFAOHX

Flood Watch
National Weather Service Nashville TN
206 PM CDT Sun Sep 19 2021

TNZ005>011-023>034-056>066-075-077>080-093>095-200315-
/O.CON.KOHX.FF.A.0009.000000T0000Z-210921T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
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-
Including the cities of Goodlettsville, Crossville, Carthage, 
Smyrna, Lawrenceburg, McEwen, Clarksville, Pulaski, La Vergne, 
Coalmont, Altamont, Jamestown, Springfield, Linden, Waverly, 
Lewisburg, Columbia, Brentwood, Tullahoma, Woodbury, McMinnville, 
Nashville, Spencer, Kingston Springs, Ashland City, Dickson, 
Waynesboro, South Carthage, Sparta, Smithville, Murfreesboro, 
Cookeville, New Johnsonville, Livingston, Lafayette, Franklin, 
Gainesboro, Hartsville, Allardt, Tennessee Ridge, Centerville, 
Dover, Byrdstown, Lobelville, Mount Juliet, Manchester, Lebanon, 
Clifton, Celina, Hendersonville, Hohenwald, Gordonsville, 
Shelbyville, Erin, and Gallatin
206 PM CDT Sun Sep 19 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY EVENING...

The Flash Flood Watch continues for

* A portion of Middle Tennessee, including the following areas, 
  Bedford, Cannon, Cheatham, Clay, Coffee, Cumberland, Davidson, De 
  Kalb, Dickson, Fentress, Giles, Grundy, Hickman, Houston, 
  Humphreys, Jackson, Lawrence, Lewis, Macon, Marshall, Maury, 
  Montgomery, Overton, Perry, Pickett, Putnam, Robertson, 
  Rutherford, Smith, Stewart, Sumner, Trousdale, Van Buren, Warren, 
  Wayne, White, Williamson and Wilson.

* Through Monday evening.

* Numerous showers and thunderstorms with moderate to heavy rain are 
  expected again through late afternoon, with a break in the rain 
  tonight before more rain falls on Monday. Additional rainfall 
  amounts of 1 to 3 inches with localized amounts of 4 to 6 inches 
  are anticipated, which may lead to flash flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

21
348 
WGUS64 KOHX 200216
FFAOHX

Flood Watch
National Weather Service Nashville TN
916 PM CDT Sun Sep 19 2021

TNZ005>011-023>034-056>066-075-077>080-093>095-201030-
/O.CON.KOHX.FF.A.0009.000000T0000Z-210921T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
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-
Including the cities of Dover, Clarksville, Springfield, 
Hendersonville, Gallatin, Goodlettsville, Lafayette, Celina, 
Byrdstown, Erin, Tennessee Ridge, Waverly, New Johnsonville, 
McEwen, Dickson, Ashland City, Kingston Springs, Nashville, 
Lebanon, Mount Juliet, Hartsville, Carthage, South Carthage, 
Gordonsville, Gainesboro, Cookeville, Livingston, Jamestown, 
Allardt, Linden, Lobelville, Centerville, Hohenwald, Franklin, 
Brentwood, Columbia, Lewisburg, Murfreesboro, Smyrna, La Vergne, 
Woodbury, Smithville, Sparta, Crossville, Shelbyville, Tullahoma,
Manchester, McMinnville, Altamont, Coalmont, Spencer, Clifton, 
Waynesboro, Lawrenceburg, and Pulaski
916 PM CDT Sun Sep 19 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY EVENING...

The Flash Flood Watch continues for

* A portion of Middle Tennessee, including the following areas, 
  Bedford, Cannon, Cheatham, Clay, Coffee, Cumberland, Davidson, 
  De Kalb, Dickson, Fentress, Giles, Grundy, Hickman, Houston, 
  Humphreys, Jackson, Lawrence, Lewis, Macon, Marshall, Maury, 
  Montgomery, Overton, Perry, Pickett, Putnam, Robertson, 
  Rutherford, Smith, Stewart, Sumner, Trousdale, Van Buren, 
  Warren, Wayne, White, Williamson, and Wilson. 

* Through Monday evening

* Numerous showers and a few thunderstorms will begin redeveloping
  later tonight and will continue on Monday. Widespread amounts of
  one-half to one inch of additional rainfall are expect tonight
  and tomorrow, with locally higher amounts possible. When added
  to rain that has already fallen over the weekend, some
  additional flooding is possible as creeks and streams and rivers
  continue to rise.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

&&

$$
926 
WGUS64 KOHX 200744
FFAOHX

Flood Watch
National Weather Service Nashville TN
244 AM CDT Mon Sep 20 2021

TNZ005>011-023>034-056>066-075-077>080-093>095-210000-
/O.CON.KOHX.FF.A.0009.000000T0000Z-210921T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
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-
Including the cities of Goodlettsville, Crossville, Carthage, 
Smyrna, Lawrenceburg, McEwen, Clarksville, Pulaski, La Vergne, 
Coalmont, Altamont, Jamestown, Springfield, Linden, Waverly, 
Lewisburg, Columbia, Brentwood, Tullahoma, Woodbury, McMinnville, 
Nashville, Spencer, Kingston Springs, Ashland City, Dickson, 
Waynesboro, South Carthage, Sparta, Smithville, Murfreesboro, 
Cookeville, New Johnsonville, Livingston, Lafayette, Franklin, 
Gainesboro, Hartsville, Allardt, Tennessee Ridge, Centerville, 
Dover, Byrdstown, Lobelville, Mount Juliet, Manchester, Lebanon, 
Clifton, Celina, Hendersonville, Hohenwald, Gordonsville, 
Shelbyville, Erin, and Gallatin
244 AM CDT Mon Sep 20 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING...

The Flash Flood Watch continues for

* A portion of Middle Tennessee, including the following areas, 
  Bedford, Cannon, Cheatham, Clay, Coffee, Cumberland, Davidson, De 
  Kalb, Dickson, Fentress, Giles, Grundy, Hickman, Houston, 
  Humphreys, Jackson, Lawrence, Lewis, Macon, Marshall, Maury, 
  Montgomery, Overton, Perry, Pickett, Putnam, Robertson, 
  Rutherford, Smith, Stewart, Sumner, Trousdale, Van Buren, Warren, 
  Wayne, White, Williamson and Wilson.

* Through this evening.

* Another round of numerous showers and a few thunderstorms is 
  expected today before rainfall ends this evening. Additional 
  rainfall amounts up to 1 to 2 inches are possible, which may lead 
  to flash flooding of roads and low lying areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

Shamburger
746 
WGUS64 KOHX 201908
FFAOHX

Flood Watch
National Weather Service Nashville TN
208 PM CDT Mon Sep 20 2021

TNZ005>011-023>034-056>066-075-077>080-093>095-210000-
/O.CON.KOHX.FF.A.0009.000000T0000Z-210921T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
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-
Including the cities of Goodlettsville, Crossville, Carthage, 
Smyrna, Lawrenceburg, McEwen, Clarksville, Pulaski, La Vergne, 
Coalmont, Altamont, Jamestown, Springfield, Linden, Waverly, 
Lewisburg, Columbia, Brentwood, Tullahoma, Woodbury, McMinnville, 
Nashville, Spencer, Kingston Springs, Ashland City, Dickson, 
Waynesboro, South Carthage, Sparta, Smithville, Murfreesboro, 
Cookeville, New Johnsonville, Livingston, Lafayette, Franklin, 
Gainesboro, Hartsville, Allardt, Tennessee Ridge, Centerville, 
Dover, Byrdstown, Lobelville, Mount Juliet, Manchester, Lebanon, 
Clifton, Celina, Hendersonville, Hohenwald, Gordonsville, 
Shelbyville, Erin, and Gallatin
208 PM CDT Mon Sep 20 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

The Flash Flood Watch continues for

* A portion of Middle Tennessee, including the following areas, 
  Bedford, Cannon, Cheatham, Clay, Coffee, Cumberland, Davidson, De 
  Kalb, Dickson, Fentress, Giles, Grundy, Hickman, Houston, 
  Humphreys, Jackson, Lawrence, Lewis, Macon, Marshall, Maury, 
  Montgomery, Overton, Perry, Pickett, Putnam, Robertson, 
  Rutherford, Smith, Stewart, Sumner, Trousdale, Van Buren, Warren, 
  Wayne, White, Williamson and Wilson.

* Until 7 PM CDT this evening.

* Showers and a few thunderstorms area expected to diminish by this 
  evening, but heavy rainfall is still possible through the 
  afternoon hours. This heavy rain is falling over saturated grounds 
  and can quickly lead to flash flooding in the watch area. Be 
  especially cautious around flood prone areas, and along creeks and 
  streams.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

LaRosa

The office that day

Everything else NWS Nashville, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 17, 7:04 PM CDTAreal Flood AdvisoryOHXPerry, Wayne2 hr
Sep 17, 8:32 PM CDTAreal Flood AdvisoryOHXHickman58 min
Sep 18, 9:54 AM CDTAreal Flood AdvisoryOHXCheatham, Davidson, Dickson, Houston, Humphreys, Stewart and 1 more3 hr
Sep 18, 10:28 AM CDTAreal Flood AdvisoryOHXDavidson, Rutherford, Sumner, Williamson, Wilson3 hr
Sep 18, 10:49 AM CDTAreal Flood AdvisoryOHXJackson, Smith, Trousdale, Wilson3 hr
Sep 18, 11:21 AM CDTAreal Flood AdvisoryOHXJackson, Overton, Putnam3 hr
Sep 18, 1:29 PM CDTAreal Flood AdvisoryOHXBedford, Coffee3 hr
Sep 18, 3:25 PM CDTFlash Flood WarningOHXBedford, Coffee4 hr
Sep 18, 4:15 PM CDTAreal Flood AdvisoryOHXGiles2 hr
Sep 18, 4:32 PM CDTRiver Flood AdvisoryOHXBedford4 hr
Sep 18, 5:21 PM CDTFlash Flood WarningOHXGiles114 min

Nearby

Flash Flood Watches in Tennessee, 2021Every flash flood watch in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.