Alert archive / Alabama / Tornado Warnings in 2021
Tornado Warning 14, NWS Huntsville, AL
NWS Huntsville, AL issued this tornado warning at Dec 29, 2021, 8:18 PM CST for DeKalb County, Jackson County, Alabama. It was in force for 27 min. 4 reports 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
- Dec 29, 2021, 8:18 PM CST (02:18 UTC)
- Expired
- Dec 29, 2021, 8:45 PM CST
- In force
- 27 min
- Issued by
- NWS Huntsville, AL
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
Counties DeKalb County, AL, Jackson County, AL
The radar
The Northeast Alabama radar (KHTX), 59 km from the middle of the area, began a volume at 02:17 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 |
|---|---|---|---|
| Dec 29, 8:21 PM CST | TSTM WND DMG | 1 Sw Powell, AL | REPORTED ROOF DAMAGE TO THE SAND MOUNTAIN LARGE ANIMAL CLINIC. REPORT RELAYED VIA SOCIAL MEDIA AND TIME ESTIMATED BASED ON RADAR. |
| Dec 29, 8:21 PM CST | TORNADO | 3 Wsw Powell, AL | STORM DAMAGE SURVEY CONDUCTED BY NWS METEOROLOGISTS AND DEKALB COUNTY EM/SO CONFIRMED AN EF-1 TORNADO. PLEASE CONSULT PNSHUN FOR ADDITIONAL INFORMATION. |
| Dec 29, 8:34 PM CST | TSTM WND DMG | 1 Se Powell, AL | POWER LINES DOWN AT INTERSECTION OF AL 35 AND KIRK ROAD. |
| Dec 29, 8:51 PM CST | TSTM WND DMG | Powell, AL | DEBRIS ON CR 47 BETWEEN POWELL AND SYLVANIA. |
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 |
|---|---|---|---|
| Dec 29, 3:53 PM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 2.3 hours before the alert went out and 167 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
- 251 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 790 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 228 m²/s²
- 0-3 km storm-relative helicity
- 240 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 3.0
The text
As transmitted.
457
WFUS54 KHUN 300218
TORHUN
ALC049-071-300245-
/O.NEW.KHUN.TO.W.0014.211230T0218Z-211230T0245Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Huntsville AL
818 PM CST Wed Dec 29 2021
The National Weather Service in Huntsville Alabama has issued a
* Tornado Warning for...
Southeastern Jackson County in northeastern Alabama...
Northern DeKalb County in northeastern Alabama...
* Until 845 PM CST.
* At 818 PM CST, a severe thunderstorm capable of producing a tornado
was located near Powell, or near Rainsville, moving east at 55 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 dangerous storm will be near...
Sylvania around 830 PM CST.
Fort Payne and Henagar around 835 PM CST.
Ider around 840 PM CST.
Other locations impacted by this tornadic thunderstorm include
Dutton, Mentone, Rosalie, Sulpher Springs, Valley Head, Hammondville
and Desoto State Park.
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.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 3451 8553 3450 8555 3450 8556 3449 8556
3447 8560 3447 8602 3459 8604 3480 8557
3453 8551
TIME...MOT...LOC 0218Z 252DEG 46KT 3453 8595
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
252 follow-up statements
508
WWUS54 KHUN 300229
SVSHUN
Severe Weather Statement
National Weather Service Huntsville AL
829 PM CST Wed Dec 29 2021
ALC071-300238-
/O.CAN.KHUN.TO.W.0014.000000T0000Z-211230T0245Z/
Jackson AL-
829 PM CST Wed Dec 29 2021
...THE TORNADO WARNING FOR SOUTHEASTERN JACKSON COUNTY IS
CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1000 PM CST for northeastern
Alabama.
LAT...LON 3447 8560 3447 8589 3455 8590 3463 8578
3471 8572 3480 8557 3453 8551
TIME...MOT...LOC 0228Z 271DEG 38KT 3451 8582
$$
ALC049-300245-
/O.CON.KHUN.TO.W.0014.000000T0000Z-211230T0245Z/
DeKalb AL-
829 PM CST Wed Dec 29 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM CST FOR
NORTHEASTERN DEKALB COUNTY...
At 828 PM CST, a confirmed tornado was located over Rainsville,
moving east at 45 mph.
HAZARD...Damaging tornado.
SOURCE...Radar confirmed tornado.
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 tornado will be near...
Fort Payne around 840 PM CST.
Other locations impacted by this tornadic thunderstorm include
Sulpher Springs, Valley Head, Hammondville, Mentone and Desoto State
Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. 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.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 3447 8560 3447 8589 3455 8590 3463 8578
3471 8572 3480 8557 3453 8551
TIME...MOT...LOC 0228Z 271DEG 38KT 3451 8582
TORNADO...OBSERVED
MAX HAIL SIZE...0.00 IN
$$
25743
WWUS54 KHUN 300238
SVSHUN
Severe Weather Statement
National Weather Service Huntsville AL
838 PM CST Wed Dec 29 2021
ALC049-300247-
/O.EXP.KHUN.TO.W.0014.000000T0000Z-211230T0245Z/
DeKalb AL-
838 PM CST Wed Dec 29 2021
...THE TORNADO WARNING FOR NORTHEASTERN DEKALB COUNTY WILL EXPIRE AT
845 PM CST...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.
A Tornado Watch remains in effect until 1000 PM CST for northeastern
Alabama.
LAT...LON 3447 8560 3447 8589 3455 8590 3463 8578
3471 8572 3480 8557 3453 8551
TIME...MOT...LOC 0237Z 252DEG 46KT 3451 8584
$$
25The office that day
Everything else NWS Huntsville, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 29, 6:28 PM CST | Special Weather Statement | HUN | Lawrence | 32 min |
| Dec 29, 6:36 PM CST | Special Weather Statement | HUN | Madison | 39 min |
| Dec 29, 6:57 PM CST | Special Weather Statement | HUN | Morgan | 48 min |
| Dec 29, 7:04 PM CST | River Flood Warning | HUN | Jackson, Madison, Marshall | 6 days |
| Dec 29, 7:10 PM CST | Special Weather Statement | HUN | Jackson | 50 min |
| Dec 29, 7:35 PM CST | Severe Thunderstorm Warning | HUN | Cullman | 40 min |
| Dec 29, 7:58 PM CST | Special Weather Statement | HUN | Marshall | 32 min |
| Dec 29, 8:15 PM CST | Special Weather Statement | HUN | DeKalb | 30 min |
| Dec 29, 9:53 PM CST | Areal Flood Warning | HUN | Madison | 112 min |
| Dec 30, 2:10 AM CST | Areal Flood Warning | HUN | Madison | 6 hr |
| Dec 30, 5:50 AM CST | River Flood Warning | HUN | Madison | 16 hr |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.