Alert archive / Alabama / Tornado Warnings in 2011
Tornado Warning 6, NWS Huntsville, AL
NWS Huntsville, AL issued this tornado warning at Feb 24, 2011, 11:23 PM CST for Marshall County, Morgan County, Alabama. It was in force for 37 min. 2 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
- Feb 24, 2011, 11:23 PM CST (05:23 UTC)
- Expired
- Feb 25, 2011, 12:00 AM CST
- In force
- 37 min
- Issued by
- NWS Huntsville, AL
- Area
- Storm-based polygon
Counties Marshall County, AL, Morgan County, AL
The radar
The Northeast Alabama radar (KHTX), 73 km from the middle of the area, began a volume at 05:25 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 |
|---|---|---|---|
| Feb 24, 11:50 PM CST | TSTM WND DMG | Arab, AL | TREE DOWN ON RESIDENCE IN ARAB. |
| Feb 25, 12:03 AM CST | TSTM WND DMG | 2 N Arab, AL | POWERLINES DOWN IN RUTH COMMUNITY NEAR ARAB. |
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 |
|---|---|---|---|
| Feb 24, 8:30 PM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 5.4 hours before the alert went out and 139 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
- 52 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 1096 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 162 m²/s²
- 0-3 km storm-relative helicity
- 199 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
247
WFUS54 KHUN 250523
TORHUN
ALC095-103-250600-
/O.NEW.KHUN.TO.W.0006.110225T0523Z-110225T0600Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1123 PM CST THU FEB 24 2011
THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHEASTERN MORGAN COUNTY IN NORTH CENTRAL ALABAMA...
WEST CENTRAL MARSHALL COUNTY IN NORTHEAST ALABAMA...
* UNTIL MIDNIGHT CST
* AT 1123 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR COLE
SPRINGS...OR ABOUT 9 MILES SOUTHEAST OF HARTSELLE...MOVING EAST AT
55 MPH.
* LOCATIONS NEAR THE PATH OF THIS TORNADO INCLUDE...
FLORETTE.
RYAN CROSSROADS.
EDDY.
UNION GROVE.
HEBRON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TORNADOES AT NIGHT ARE ESPECIALLY DANGEROUS. DO NOT WAIT UNTIL YOU
SEE OR HEAR THE TORNADO...IT MAY BE TOO LATE. TAKE COVER NOW.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CST FRIDAY MORNING FOR
NORTHERN ALABAMA AND CENTRAL TENNESSEE.
&&
LAT...LON 3431 8684 3445 8685 3448 8652 3448 8648
3447 8647 3448 8645 3449 8637 3430 8637
TIME...MOT...LOC 0523Z 265DEG 46KT 3435 8678
$$
SL2 follow-up statements
754
WWUS54 KHUN 250538
SVSHUN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1138 PM CST THU FEB 24 2011
ALC103-250547-
/O.CAN.KHUN.TO.W.0006.000000T0000Z-110225T0600Z/
MORGAN AL-
1138 PM CST THU FEB 24 2011
...THE TORNADO WARNING FOR SOUTHEASTERN MORGAN COUNTY IS CANCELED...
WEATHER SERVICE DOPPLER RADAR INDICATED THE THUNDERSTORM THAT
PROMPTED THE TORNADO WARNING HAD MOVED OUT OF THE COUNTY. THEREFORE
THE TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE.
HOWEVER...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR
LIMESTONE COUNTY UNTIL 1215 AM CST FOR DESTRUCTIVE WINDS IN EXCESS
OF 70 MPH.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CST FRIDAY MORNING FOR
NORTHERN ALABAMA AND CENTRAL TENNESSEE.
LAT...LON 3431 8658 3441 8658 3448 8656 3448 8650
3448 8648 3447 8647 3448 8645 3449 8637
3430 8637
TIME...MOT...LOC 0537Z 262DEG 47KT 3439 8655
$$
ALC095-250600-
/O.CON.KHUN.TO.W.0006.000000T0000Z-110225T0600Z/
MARSHALL AL-
1138 PM CST THU FEB 24 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST FOR WEST
CENTRAL MARSHALL COUNTY...
AT 1135 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR EDDY MOVING EAST
AT 55 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO UNION
GROVE AND HEBRON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TORNADOES AT NIGHT ARE ESPECIALLY DANGEROUS. DO NOT WAIT UNTIL YOU
SEE OR HEAR THE TORNADO...IT MAY BE TOO LATE. TAKE COVER NOW.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CST FRIDAY MORNING FOR
NORTHERN ALABAMA AND CENTRAL TENNESSEE.
&&
LAT...LON 3431 8658 3441 8658 3448 8656 3448 8650
3448 8648 3447 8647 3448 8645 3449 8637
3430 8637
TIME...MOT...LOC 0537Z 262DEG 47KT 3439 8655
$$
SL315
WWUS54 KHUN 250553
SVSHUN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1153 PM CST THU FEB 24 2011
ALC095-250602-
/O.EXP.KHUN.TO.W.0006.000000T0000Z-110225T0600Z/
MARSHALL AL-
1153 PM CST THU FEB 24 2011
...THE TORNADO WARNING FOR WEST CENTRAL MARSHALL COUNTY EXPIRES AT
MIDNIGHT CST...
WEATHER SERVICE DOPPLER RADAR INDICATED THE THUNDERSTORM THAT
PROMPTED THE TORNADO WARNING HAD WEAKENED AND WAS NO LONGER SEVERE.
THEREFORE THE TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE.
A SEPARATE TORNADO WARNING IS IN EFFECT UNTIL 1215 AM CST FOR NORTH
CENTRAL MARSHALL COUNTY.
STAY INDOORS UNTIL THE STORM HAS PASSED.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CST FRIDAY MORNING FOR
NORTHERN ALABAMA AND CENTRAL TENNESSEE.
LAT...LON 3431 8658 3441 8658 3448 8656 3448 8650
3448 8648 3447 8647 3448 8645 3449 8637
3430 8637
TIME...MOT...LOC 0552Z 262DEG 47KT 3442 8631
$$
SLThe office that day
Everything else NWS Huntsville, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 24, 9:09 PM CST | Special Weather Statement | HUN | Colbert | 51 min |
| Feb 24, 9:29 PM CST | Severe Thunderstorm Warning | HUN | Colbert, Franklin, Lauderdale | 46 min |
| Feb 24, 9:55 PM CST | Tornado Warning | HUN | Colbert, Franklin | 35 min |
| Feb 24, 10:10 PM CST | Severe Thunderstorm Warning | HUN | Colbert, Franklin, Lauderdale, Lawrence, Limestone | 35 min |
| Feb 24, 10:15 PM CST | Tornado Warning | HUN | Franklin | 30 min |
| Feb 24, 10:21 PM CST | Tornado Warning | HUN | Colbert, Lauderdale, Lawrence | 24 min |
| Feb 24, 10:40 PM CST | Severe Thunderstorm Warning | HUN | Lauderdale, Lawrence, Limestone, Madison, Morgan | 50 min |
| Feb 24, 10:44 PM CST | Tornado Warning | HUN | Lauderdale, Lawrence, Limestone | 31 min |
| Feb 24, 11:04 PM CST | Severe Thunderstorm Warning | HUN | Cullman | 41 min |
| Feb 24, 11:20 PM CST | Tornado Warning | HUN | Cullman | 25 min |
| Feb 24, 11:21 PM CST | Severe Thunderstorm Warning | HUN | Jackson, Limestone, Madison, Marshall, Morgan | 24 min |
| Feb 24, 11:40 PM CST | Severe Thunderstorm Warning | HUN | Cullman, Jackson, Madison, Marshall, Morgan | 35 min |
| Feb 24, 11:47 PM CST | Tornado Warning | HUN | Jackson, Madison, Marshall | 28 min |
| Feb 24, 11:56 PM CST | Tornado Warning | HUN | Jackson | 22 min |
| Feb 25, 12:09 AM CST | Severe Thunderstorm Warning | HUN | DeKalb, Jackson, Marshall | 36 min |
| Feb 25, 12:09 AM CST | Tornado Warning | HUN | DeKalb, Jackson, Marshall | 36 min |
| Feb 25, 12:14 AM CST | Tornado Warning | HUN | DeKalb, Jackson | 20 min |
Nearby
Tornado Warnings in Alabama, 2011Every tornado warning in 2011Tornadoes in 2011
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.