Alert archive / Tennessee / Flash Flood Watches in 2021
Flash Flood Watch 10, NWS Nashville, TN
NWS Nashville, TN issued this flash flood watch at Oct 6, 2021, 3:06 AM CDT for 10 counties in Tennessee. It was in force for 28 hr.
The area
The counties it named.
The facts
- Issued
- Oct 6, 2021, 3:06 AM CDT (08:06 UTC)
- Expired
- Oct 7, 2021, 7:00 AM CDT
- In force
- 28 hr
- Issued by
- NWS Nashville, TN
- Flood severity
- None
Counties Bedford County, TN, Coffee County, TN, Cumberland County, TN, Giles County, TN, Grundy County, TN, Lawrence County, TN, Marshall County, TN, Van Buren County, TN, Warren County, TN, Wayne County, TN
The radar
The Northeast Alabama radar (KHTX), 66 km from the middle of the area, began a volume at 08:09 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, 8.1 hours before the alert went out and 75 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.
- Mixed-layer CAPE
- 334 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 725 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 113 m²/s²
- 0-3 km storm-relative helicity
- 131 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.0
The text
As transmitted.
956 WGUS64 KOHX 060806 FFAOHX URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Nashville TN 306 AM CDT Wed Oct 6 2021 TNZ061-066-075-077>080-093>095-062015- /O.NEW.KOHX.FF.A.0010.211006T0806Z-211007T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Marshall-Cumberland-Bedford-Coffee-Warren-Grundy-Van Buren-Wayne- Lawrence-Giles- Including the cities of Crossville, Tullahoma, McMinnville, Clifton, Pulaski, Coalmont, Manchester, Waynesboro, Altamont, Lewisburg, Shelbyville, Spencer, and Lawrenceburg 306 AM CDT Wed Oct 6 2021 ...FLASH FLOOD WATCH IN EFFECT THROUGH THURSDAY MORNING... The National Weather Service in Nashville has issued a * Flash Flood Watch for a portion of Middle Tennessee, including the following areas, Bedford, Coffee, Cumberland, Giles, Grundy, Lawrence, Marshall, Van Buren, Warren and Wayne. * Through Thursday morning. * Several rounds of showers and thunderstorms are expected to occur through Thursday morning. Storm total rainfall amounts between 1 to 3 inches, with locally higher amounts, will be possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ JB Wright
2 follow-up statements
859 WGUS64 KOHX 061918 FFAOHX Flood Watch National Weather Service Nashville TN 218 PM CDT Wed Oct 6 2021 TNZ061-066-075-077>080-093>095-070330- /O.CON.KOHX.FF.A.0010.000000T0000Z-211007T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Marshall-Cumberland-Bedford-Coffee-Warren-Grundy-Van Buren-Wayne- Lawrence-Giles- Including the cities of Crossville, Tullahoma, McMinnville, Clifton, Pulaski, Coalmont, Manchester, Waynesboro, Altamont, Lewisburg, Shelbyville, Spencer, and Lawrenceburg 218 PM CDT Wed Oct 6 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THURSDAY MORNING... The Flash Flood Watch continues for * A portion of Middle Tennessee, including the following areas, Bedford, Coffee, Cumberland, Giles, Grundy, Lawrence, Marshall, Van Buren, Warren and Wayne. * Through Thursday morning. * Another round of showers and thunderstorms is expected to occur tonight. Additional storm total rainfall amounts of up to 1 to 2 inches, will be possible. The heaviest amounts across the watch area are most likely to occur to the east of interstate 65. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ 21
258 WGUS64 KOHX 070325 FFAOHX Flood Watch National Weather Service Nashville TN 1025 PM CDT Wed Oct 6 2021 TNZ061-066-075-077>080-093>095-071200- /O.CON.KOHX.FF.A.0010.000000T0000Z-211007T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Marshall-Cumberland-Bedford-Coffee-Warren-Grundy-Van Buren-Wayne- Lawrence-Giles- Including the cities of Crossville, Tullahoma, McMinnville, Clifton, Pulaski, Coalmont, Manchester, Waynesboro, Altamont, Lewisburg, Shelbyville, Spencer, and Lawrenceburg 1025 PM CDT Wed Oct 6 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 7 AM CDT THURSDAY... The Flash Flood Watch continues for * A portion of Middle Tennessee, including the following areas, Bedford, Coffee, Cumberland, Giles, Grundy, Lawrence, Marshall, Van Buren, Warren and Wayne. * Until 7 AM CDT Thursday. * Numerous showers and thunderstorms continue across the area this evening but will gradually diminish overnight. Radar estimates 1 to over 6 inches of rain has fallen across the watch area today. Any additional rainfall overnight could cause more flooding. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ Shamburger
The office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 5, 7:11 PM CDT | Special Weather Statement | OHX | Lewis | 34 min |
| Oct 5, 7:34 PM CDT | Areal Flood Advisory | OHX | Lawrence, Lewis | 96 min |
| Oct 5, 9:08 PM CDT | Flash Flood Warning | OHX | Lawrence, Lewis, Wayne | 3 hr |
| Oct 6, 12:11 AM CDT | River Flood Advisory | OHX | Lawrence | 20 hr |
| Oct 6, 1:14 AM CDT | Areal Flood Advisory | OHX | Giles, Hickman, Maury | 2 hr |
| Oct 6, 2:30 AM CDT | Flash Flood Warning | OHX | Hickman, Maury | 2 hr |
| Oct 6, 2:48 AM CDT | Areal Flood Advisory | OHX | Dickson, Hickman | 2 hr |
| Oct 6, 3:31 AM CDT | Flash Flood Warning | OHX | Dickson | 119 min |
| Oct 6, 3:48 AM CDT | Areal Flood Advisory | OHX | Dickson, Montgomery | 2 hr |
| Oct 6, 10:48 AM CDT | Special Weather Statement | OHX | Van Buren | 27 min |
| Oct 6, 11:43 AM CDT | Special Weather Statement | OHX | White | 32 min |
| Oct 6, 11:59 AM CDT | Severe Thunderstorm Warning | OHX | Cumberland, Putnam, Van Buren, White | 46 min |
| Oct 6, 2:49 PM CDT | Areal Flood Advisory | OHX | Cumberland, Overton, Putnam, Van Buren, White | 4 hr |
| Oct 6, 3:41 PM CDT | Special Weather Statement | OHX | Fentress | 34 min |
| Oct 6, 3:46 PM CDT | Special Weather Statement | OHX | Van Buren | 29 min |
| Oct 6, 3:56 PM CDT | Flash Flood Warning | OHX | Van Buren | 6 hr |
| Oct 6, 4:14 PM CDT | Special Weather Statement | OHX | Fentress | 31 min |
| Oct 6, 4:22 PM CDT | Areal Flood Advisory | OHX | Fentress | 113 min |
| Oct 6, 4:45 PM CDT | Special Weather Statement | OHX | Pickett | 30 min |
| Oct 6, 5:01 PM CDT | Special Weather Statement | OHX | Rutherford | 29 min |
| Oct 6, 5:05 PM CDT | Severe Thunderstorm Warning | OHX | Bedford, Rutherford | 25 min |
| Oct 6, 5:09 PM CDT | Tornado Warning | OHX | Cumberland | 36 min |
| Oct 6, 5:29 PM CDT | Special Weather Statement | OHX | Rutherford | 31 min |
| Oct 6, 5:35 PM CDT | Areal Flood Advisory | OHX | Fentress, Pickett | 115 min |
| Oct 6, 5:44 PM CDT | Tornado Warning | OHX | Cumberland | 31 min |
| Oct 6, 6:14 PM CDT | Special Weather Statement | OHX | Cumberland | 31 min |
| Oct 6, 6:20 PM CDT | Tornado Warning | OHX | Cumberland, Fentress | 25 min |
| Oct 6, 6:43 PM CDT | Special Weather Statement | OHX | Fentress | 32 min |
| Oct 6, 6:47 PM CDT | Special Weather Statement | OHX | Hickman | 28 min |
| Oct 6, 6:53 PM CDT | Tornado Warning | OHX | Fentress | 37 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.