Alert archive / Alabama / Tornado Warnings in 2021
Tornado Warning 11, NWS Huntsville, AL
NWS Huntsville, AL issued this tornado warning at Dec 6, 2021, 9:16 AM CST for Morgan County, Alabama. It was in force for 14 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, 9:16 AM CST (15:16 UTC)
- Expired
- Dec 6, 2021, 9:30 AM CST
- In force
- 14 min
- Issued by
- NWS Huntsville, AL
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
County Morgan County, AL
The radar
The Northeast Alabama radar (KHTX), 88 km from the middle of the area, began a volume at 15:16 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, 3.3 hours before the alert went out and 132 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.
338
WFUS54 KHUN 061516
TORHUN
ALC103-061530-
/O.NEW.KHUN.TO.W.0011.211206T1516Z-211206T1530Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Huntsville AL
916 AM CST Mon Dec 6 2021
The National Weather Service in Huntsville Alabama has issued a
* Tornado Warning for...
Southeastern Morgan County in north central Alabama...
* Until 930 AM CST.
* At 916 AM CST, a severe thunderstorm capable of producing a tornado
was located over Falkville, or near Hartselle, moving east at 30
mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This tornadic thunderstorm will remain over mainly rural areas of
southeastern Morgan County, including the following locations...
Ryan Crossroads, Eva, Florette and Cole Springs.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3435 8694 3444 8692 3442 8657 3439 8658
3431 8663 3431 8675
TIME...MOT...LOC 1516Z 280DEG 26KT 3438 8689
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
KTW1 follow-up statement
351
WWUS54 KHUN 061524
SVSHUN
Severe Weather Statement
National Weather Service Huntsville AL
924 AM CST Mon Dec 6 2021
ALC103-061530-
/O.CON.KHUN.TO.W.0011.000000T0000Z-211206T1530Z/
Morgan AL-
924 AM CST Mon Dec 6 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 AM CST FOR
SOUTHEASTERN MORGAN COUNTY...
At 924 AM CST, a severe thunderstorm capable of producing a tornado
was located near Falkville, or 8 miles southeast of Hartselle, moving
east at 30 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Falkville, Eva, Ryan Crossroads, Cole Springs and Florette.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3436 8690 3441 8690 3442 8657 3439 8658
3431 8663 3431 8675
TIME...MOT...LOC 1524Z 280DEG 26KT 3437 8682
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
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, 7:05 AM CST | Severe Thunderstorm Warning | HUN | Franklin, Lawrence | 40 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, 9:34 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
Tornado Warnings in Alabama, 2021Every tornado warning in 2021Tornadoes 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.