Alert archive / Tennessee / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 86, NWS Huntsville, AL
NWS Huntsville, AL issued this severe thunderstorm warning at Oct 6, 2021, 4:54 PM CDT for Jackson County, Madison County, Alabama; Franklin County, Lincoln County, Moore County, Tennessee. It was in force for 36 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Oct 6, 2021, 4:54 PM CDT (21:54 UTC)
- Expired
- Oct 6, 2021, 5:30 PM CDT
- In force
- 36 min
- Issued by
- NWS Huntsville, AL
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Jackson County, AL, Madison County, AL, Franklin County, TN, Lincoln County, TN, Moore County, TN
The radar
The Northeast Alabama radar (KHTX), 19 km from the middle of the area, began a volume at 21:57 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 6, 4:55 PM CDT | TSTM WND DMG | 8 Wnw Skyline, AL | TREES DOWN ON CR-3 ON PUTMAN MOUNTAIN NEAR PRINCETON, AL. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Oct 6, 2:53 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 9.9 hours before the alert went out and 129 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1243 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- -65 m²/s²
- 0-3 km storm-relative helicity
- -2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted.
420
WUUS54 KHUN 062154
SVRHUN
ALC071-089-TNC051-103-127-062230-
/O.NEW.KHUN.SV.W.0086.211006T2154Z-211006T2230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Huntsville AL
454 PM CDT Wed Oct 6 2021
The National Weather Service in Huntsville Alabama has issued a
* Severe Thunderstorm Warning for...
Northwestern Jackson County in northeastern Alabama...
Northeastern Madison County in north central Alabama...
Southeastern Moore County in Middle Tennessee...
Southeastern Lincoln County in Middle Tennessee...
Southwestern Franklin County in Middle Tennessee...
* Until 530 PM CDT.
* At 454 PM CDT, a severe thunderstorm was located 8 miles south of
Huntland, or 15 miles northeast of Moores Mill, moving north at 30
mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Huntland, Tims Ford Lake, Lexie Crossroads, Plevna, Harmony, Elora,
Estillfork, Hurdlow, Maxwell and Marble Hill.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1000 PM CDT for north central
and northeastern Alabama...and Middle Tennessee.
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3487 8612 3483 8635 3519 8655 3524 8622
TIME...MOT...LOC 2154Z 162DEG 27KT 3493 8627
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
302 follow-up statements
805
WWUS54 KHUN 062216
SVSHUN
Severe Weather Statement
National Weather Service Huntsville AL
516 PM CDT Wed Oct 6 2021
ALC071-089-062226-
/O.CAN.KHUN.SV.W.0086.000000T0000Z-211006T2230Z/
Jackson AL-Madison AL-
516 PM CDT Wed Oct 6 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN JACKSON AND
NORTHEASTERN MADISON COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1000 PM CDT for north central
and northeastern Alabama...and Middle Tennessee.
LAT...LON 3499 8615 3499 8644 3519 8655 3524 8622
TIME...MOT...LOC 2216Z 162DEG 27KT 3509 8633
$$
TNC051-103-127-062230-
/O.CON.KHUN.SV.W.0086.000000T0000Z-211006T2230Z/
Moore TN-Lincoln TN-Franklin TN-
516 PM CDT Wed Oct 6 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR SOUTHEASTERN MOORE...SOUTHEASTERN LINCOLN AND SOUTHWESTERN
FRANKLIN COUNTIES...
At 516 PM CDT, a severe thunderstorm was located near Huntland, or 13
miles south of Lynchburg, moving north at 30 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Huntland, Tims Ford Lake, Lexie Crossroads, Harmony, Elora, Hurdlow,
Maxwell, Marble Hill, Smithland and Beans Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1000 PM CDT for north central
and northeastern Alabama...and Middle Tennessee.
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3499 8615 3499 8644 3519 8655 3524 8622
TIME...MOT...LOC 2216Z 162DEG 27KT 3509 8633
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
30917
WWUS54 KHUN 062227
SVSHUN
Severe Weather Statement
National Weather Service Huntsville AL
527 PM CDT Wed Oct 6 2021
TNC051-103-127-062237-
/O.EXP.KHUN.SV.W.0086.000000T0000Z-211006T2230Z/
Moore TN-Lincoln TN-Franklin TN-
527 PM CDT Wed Oct 6 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MOORE...
SOUTHEASTERN LINCOLN AND SOUTHWESTERN FRANKLIN COUNTIES WILL EXPIRE
AT 530 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However heavy rain
is still possible with this thunderstorm.
A Tornado Watch remains in effect until 1000 PM CDT for north central
and northeastern Alabama...and Middle Tennessee.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Huntsville Alabama.
LAT...LON 3499 8615 3499 8644 3519 8655 3524 8622
TIME...MOT...LOC 2227Z 162DEG 27KT 3516 8636
$$
30The office that day
Everything else NWS Huntsville, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 5, 9:56 PM CDT | Areal Flood Warning | HUN | Colbert, Lauderdale, Lawrence | 6 hr |
| Oct 5, 10:35 PM CDT | Special Weather Statement | HUN | Franklin | 55 min |
| Oct 6, 6:14 AM CDT | River Flood Warning | HUN | Lawrence | 40 hr |
| Oct 6, 7:41 AM CDT | Special Weather Statement | HUN | Marshall | 49 min |
| Oct 6, 2:11 PM CDT | Special Weather Statement | HUN | Cullman | 49 min |
| Oct 6, 3:55 PM CDT | Severe Thunderstorm Warning | HUN | Cullman, Madison, Marshall, Morgan | 50 min |
| Oct 6, 4:07 PM CDT | Special Weather Statement | HUN | Jackson | 38 min |
| Oct 6, 4:35 PM CDT | Special Weather Statement | HUN | Cullman | 25 min |
| Oct 6, 4:37 PM CDT | River Flood Warning | HUN | Jackson, Madison, Marshall | 71 hr |
| Oct 6, 4:45 PM CDT | Special Weather Statement | HUN | Madison, Marshall | 45 min |
| Oct 6, 5:14 PM CDT | Flash Flood Warning | HUN | Madison, Marshall | 8 hr |
| Oct 6, 6:12 PM CDT | Special Weather Statement | HUN | Colbert | 33 min |
| Oct 6, 6:25 PM CDT | Severe Thunderstorm Warning | HUN | Colbert, Lauderdale | 35 min |
| Oct 6, 6:54 PM CDT | Flash Flood Warning | HUN | Jackson | 6 hr |
| Oct 6, 6:58 PM CDT | Severe Thunderstorm Warning | HUN | Colbert, Lauderdale | 16 min |
| Oct 6, 5:45 PM CDT | Special Weather Statement | HUN | Lincoln | 45 min |
| Oct 6, 6:13 PM CDT | Special Weather Statement | HUN | Franklin | 47 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 2021Severe Thunderstorm Warnings in Alabama, 2021Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.