Alert archive / Alabama / Tornado Warnings in 2012
Tornado Warning 3, NWS Huntsville, AL
NWS Huntsville, AL issued this tornado warning at Jan 23, 2012, 2:11 AM CST for Jackson County, Madison County, Marshall County, Alabama. It was in force for 34 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
- Jan 23, 2012, 2:11 AM CST (08:11 UTC)
- Expired
- Jan 23, 2012, 2:45 AM CST
- In force
- 34 min
- Issued by
- NWS Huntsville, AL
- Area
- Storm-based polygon
Counties Jackson County, AL, Madison County, AL, Marshall County, AL
The radar
The Northeast Alabama radar (KHTX), 57 km from the middle of the area, began a volume at 08:14 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 22, 10:59 PM CST | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 8.2 hours before the alert went out and 149 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
- 223 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 453 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 267 m²/s²
- 0-3 km storm-relative helicity
- 298 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.2
The text
As transmitted, in the capitals the NWS used until 2016.
995
WFUS54 KHUN 230811
TORHUN
ALC071-089-095-230845-
/O.NEW.KHUN.TO.W.0003.120123T0811Z-120123T0845Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
211 AM CST MON JAN 23 2012
THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A
* TORNADO WARNING FOR...
EXTREME SOUTHEASTERN MADISON COUNTY IN NORTH CENTRAL ALABAMA...
SOUTHWESTERN JACKSON COUNTY IN NORTHEAST ALABAMA...
NORTHERN MARSHALL COUNTY IN NORTHEAST ALABAMA...
* UNTIL 245 AM CST
* AT 211 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR UNION
GROVE...OR ABOUT 8 MILES NORTH OF ARAB...MOVING NORTHEAST AT 50
MPH.
* LOCATIONS NEAR THE PATH OF THIS TORNADO INCLUDE...
HEBRON.
GRANT.
LANGSTON.
SECTION.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 AM CST MONDAY MORNING FOR
NORTHERN ALABAMA AND CENTRAL TENNESSEE.
&&
LAT...LON 3432 8654 3439 8658 3452 8656 3474 8602
3454 8591
TIME...MOT...LOC 0811Z 245DEG 44KT 3444 8649
$$
BCC2 follow-up statements
137
WWUS54 KHUN 230823
SVSHUN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
223 AM CST MON JAN 23 2012
ALC071-089-095-230845-
/O.CON.KHUN.TO.W.0003.000000T0000Z-120123T0845Z/
JACKSON AL-MADISON AL-MARSHALL AL-
223 AM CST MON JAN 23 2012
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 AM CST FOR NORTHERN
MARSHALL...SOUTHEASTERN MADISON AND SOUTHWESTERN JACKSON COUNTIES...
AT 223 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR HEBRON...OR ABOUT
9 MILES NORTHWEST OF GUNTERSVILLE...MOVING NORTHEAST AT 55 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
COLUMBUS CITY...GRANT...WOODVILLE...LANGSTON...LARKINSVILLE...
SCOTTSBORO AND SECTION.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 AM CST MONDAY MORNING FOR
NORTHERN ALABAMA AND CENTRAL TENNESSEE.
&&
LAT...LON 3454 8592 3439 8640 3454 8650 3474 8602
3454 8591
TIME...MOT...LOC 0823Z 247DEG 48KT 3450 8631
$$
BCC880
WWUS54 KHUN 230845
SVSHUN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
245 AM CST MON JAN 23 2012
ALC071-089-095-230853-
/O.EXP.KHUN.TO.W.0003.000000T0000Z-120123T0845Z/
JACKSON AL-MADISON AL-MARSHALL AL-
245 AM CST MON JAN 23 2012
...THE TORNADO WARNING FOR NORTHERN MARSHALL...SOUTHEASTERN MADISON
AND SOUTHWESTERN JACKSON COUNTIES EXPIRES AT 245 AM CST...
HOWEVER...A SEVERE THUNDERSTORM WARNING HAS BEEN ISSUED FOR
SOUTHEASTERN JACKSON COUNTY UNTIL 330 AM.
WEATHER SERVICE DOPPLER RADAR INDICATES THE THUNDERSTORM THAT
PROMPTED THE TORNADO WARNING HAS WEAKENED AND IS NO LONGER SEVERE.
THEREFORE THE TORNADO WARNING IS BEING ALLOWED TO EXPIRE.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 AM CST MONDAY MORNING FOR
NORTHERN ALABAMA AND CENTRAL TENNESSEE.
LAT...LON 3454 8592 3439 8640 3454 8650 3474 8602
3454 8591
TIME...MOT...LOC 0843Z 247DEG 48KT 3459 8601
$$
BCCThe office that day
Everything else NWS Huntsville, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 22, 11:38 PM CST | Special Weather Statement | HUN | Colbert, Franklin, Lauderdale | 37 min |
| Jan 22, 11:49 PM CST | Severe Thunderstorm Warning | HUN | Colbert, Franklin, Lauderdale | 41 min |
| Jan 23, 12:03 AM CST | Tornado Warning | HUN | Colbert, Franklin, Lauderdale | 27 min |
| Jan 23, 12:09 AM CST | Severe Thunderstorm Warning | HUN | Colbert, Franklin | 26 min |
| Jan 23, 12:28 AM CST | Tornado Warning | HUN | Lauderdale | 21 min |
| Jan 23, 12:53 AM CST | Special Weather Statement | HUN | Lawrence, Limestone | 37 min |
| Jan 23, 1:21 AM CST | Special Weather Statement | HUN | Limestone, Madison, Morgan | 39 min |
| Jan 23, 1:33 AM CST | Severe Thunderstorm Warning | HUN | Franklin | 27 min |
| Jan 23, 1:35 AM CST | Flash Flood Warning | HUN | Colbert, Lauderdale, Lawrence | 3 hr |
| Jan 23, 1:50 AM CST | Flash Flood Warning | HUN | Colbert, Franklin, Lawrence | 3 hr |
| Jan 23, 1:59 AM CST | Severe Thunderstorm Warning | HUN | Franklin, Lawrence | 31 min |
| Jan 23, 2:03 AM CST | Severe Thunderstorm Warning | HUN | Madison, Marshall, Morgan | 27 min |
| Jan 23, 2:22 AM CST | Flash Flood Warning | HUN | Limestone, Madison, Morgan | 3 hr |
| Jan 23, 2:30 AM CST | Special Weather Statement | HUN | Madison | 30 min |
| Jan 23, 2:42 AM CST | Severe Thunderstorm Warning | HUN | DeKalb, Jackson | 48 min |
| Jan 23, 3:01 AM CST | Special Weather Statement | HUN | Madison | 44 min |
| Jan 23, 3:09 AM CST | Flash Flood Warning | HUN | Cullman, Morgan | 3 hr |
| Jan 23, 3:22 AM CST | Special Weather Statement | HUN | Morgan | 23 min |
| Jan 23, 4:02 AM CST | Special Weather Statement | HUN | Cullman | 28 min |
| Jan 23, 4:33 AM CST | Special Weather Statement | HUN | Marshall | 42 min |
| Jan 23, 4:56 AM CST | Flash Flood Warning | HUN | Jackson, Madison, Marshall | 3 hr |
| Jan 23, 5:12 AM CST | Special Weather Statement | HUN | DeKalb | 48 min |
| Jan 23, 5:25 AM CST | Areal Flood Warning | HUN | Madison | 6 hr |
| Jan 23, 7:39 AM CST | River Flood Warning | HUN | Madison | 28 hr |
| Jan 23, 7:54 AM CST | Areal Flood Warning | HUN | Jackson | 2 hr |
| Jan 23, 8:23 AM CST | River Flood Warning | HUN | Jackson, Madison, Marshall | 5 days |
| Jan 23, 8:49 AM CST | Areal Flood Warning | HUN | Marshall | 3 hr |
| Jan 23, 9:36 AM CST | River Flood Warning | HUN | Lawrence | 43 hr |
| Jan 23, 10:00 AM CST | Areal Flood Warning | HUN | Jackson | 2 hr |
| Jan 23, 11:31 AM CST | Areal Flood Warning | HUN | Madison | 9 hr |
| Jan 23, 1:22 PM CST | Areal Flood Warning | HUN | Lawrence | 20 hr |
Nearby
Tornado Warnings in Alabama, 2012Every tornado warning in 2012Tornadoes in 2012
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.