Alert archive / Alabama / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 91, NWS Huntsville, AL
NWS Huntsville, AL issued this severe thunderstorm warning at Dec 6, 2021, 7:05 AM CST for Franklin County, Lawrence County, Alabama. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Dec 6, 2021, 7:05 AM CST (13:05 UTC)
- Expired
- Dec 6, 2021, 7:45 AM CST
- In force
- 40 min
- Issued by
- NWS Huntsville, AL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Franklin County, AL, Lawrence County, AL
The radar
The Columbus AFB radar (KGWX), 102 km from the middle of the area, began a volume at 13:04 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
Birmingham, AL (KBMX), launched 12:00Z, 1.1 hours before the alert went out and 165 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
- 219 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 484 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 223 m²/s²
- 0-3 km storm-relative helicity
- 204 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.3
The text
As transmitted.
409
WUUS54 KHUN 061305
SVRHUN
ALC059-079-061345-
/O.NEW.KHUN.SV.W.0091.211206T1305Z-211206T1345Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Huntsville AL
705 AM CST Mon Dec 6 2021
The National Weather Service in Huntsville Alabama has issued a
* Severe Thunderstorm Warning for...
Eastern Franklin County in northwestern Alabama...
Lawrence County in northwestern Alabama...
* Until 745 AM CST.
* At 705 AM CST, a severe thunderstorm was located near Phil
Campbell, or 7 miles southwest of Russellville, moving east at 45
mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Russellville, Moulton, Trinity, Phil Campbell, Belgreen, Hillsboro,
Mt Hope, Chalybeate Springs, Speake and Tharptown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3449 8791 3457 8767 3457 8752 3458 8751
3459 8751 3470 8712 3460 8710 3435 8711
3431 8792
TIME...MOT...LOC 1305Z 260DEG 38KT 3441 8779
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
KTW3 follow-up statements
444
WWUS54 KHUN 061314
SVSHUN
Severe Weather Statement
National Weather Service Huntsville AL
714 AM CST Mon Dec 6 2021
ALC059-079-061345-
/O.CON.KHUN.SV.W.0091.000000T0000Z-211206T1345Z/
Franklin AL-Lawrence AL-
714 AM CST Mon Dec 6 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 AM CST
FOR EASTERN FRANKLIN AND LAWRENCE COUNTIES...
At 714 AM CST, a severe thunderstorm was located near Phil Campbell,
or near Russellville, moving east at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Russellville, Moulton, Trinity, Phil Campbell, Hillsboro, Mt Hope,
Chalybeate Springs, Speake, Tharptown and Ne Smith.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3455 8771 3457 8767 3457 8752 3458 8751
3459 8751 3470 8712 3460 8710 3435 8711
3432 8787
TIME...MOT...LOC 1314Z 260DEG 38KT 3443 8767
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
KTW845
WWUS54 KHUN 061322
SVSHUN
Severe Weather Statement
National Weather Service Huntsville AL
722 AM CST Mon Dec 6 2021
ALC059-079-061345-
/O.CON.KHUN.SV.W.0091.000000T0000Z-211206T1345Z/
Franklin AL-Lawrence AL-
722 AM CST Mon Dec 6 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 AM CST
FOR SOUTHEASTERN FRANKLIN AND SOUTHERN LAWRENCE COUNTIES...
At 722 AM CST, a severe thunderstorm was located 10 miles southeast
of Russellville, moving east at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Moulton, Trinity, Newburg, Mt Hope, Chalybeate Springs, Speake,
Caddo, Wren, Landersville and Bankhead National Forest.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3450 8766 3451 8760 3452 8755 3454 8746
3455 8737 3459 8715 3460 8710 3435 8711
3433 8766
TIME...MOT...LOC 1322Z 260DEG 38KT 3445 8756
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
KTW761
WWUS54 KHUN 061336
SVSHUN
Severe Weather Statement
National Weather Service Huntsville AL
736 AM CST Mon Dec 6 2021
ALC059-079-061346-
/O.EXP.KHUN.SV.W.0091.000000T0000Z-211206T1345Z/
Franklin AL-Lawrence AL-
736 AM CST Mon Dec 6 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN FRANKLIN AND
SOUTHERN LAWRENCE COUNTIES WILL EXPIRE AT 745 AM CST...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However gusty
winds are still possible with this thunderstorm.
LAT...LON 3450 8766 3451 8760 3452 8755 3454 8746
3455 8737 3459 8715 3460 8710 3435 8711
3433 8766
TIME...MOT...LOC 1336Z 260DEG 38KT 3447 8741
$$
KTWThe office that day
Everything else NWS Huntsville, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 6, 6:01 AM CST | Severe Thunderstorm Warning | HUN | Colbert, Franklin | 29 min |
| Dec 6, 6:31 AM CST | Special Weather Statement | HUN | Colbert, Franklin, Lawrence | 29 min |
| Dec 6, 6:59 AM CST | Special Weather Statement | HUN | Franklin, Lawrence | 31 min |
| Dec 6, 7:02 AM CST | Severe Thunderstorm Warning | HUN | Colbert, Lauderdale, Limestone, Madison | 28 min |
| Dec 6, 8:07 AM CST | Special Weather Statement | HUN | Madison | 23 min |
| Dec 6, 8:34 AM CST | Special Weather Statement | HUN | Madison | 41 min |
| Dec 6, 8:50 AM CST | Special Weather Statement | HUN | Cullman, Morgan | 40 min |
| Dec 6, 9:06 AM CST | Severe Thunderstorm Warning | HUN | Cullman, Morgan | 24 min |
| Dec 6, 9:11 AM CST | Special Weather Statement | HUN | Madison | 34 min |
| Dec 6, 9:16 AM CST | Tornado Warning | HUN | Morgan | 14 min |
| Dec 6, 9:34 AM CST | Severe Thunderstorm Warning | HUN | Cullman, Marshall, Morgan | 26 min |
| Dec 6, 9:57 AM CST | Tornado Warning | HUN | Cullman, Marshall | 18 min |
Nearby
Severe 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.