Alert archive / Alabama / Tornado Warnings in 2011
Tornado Warning 4, NWS Huntsville, AL
NWS Huntsville, AL issued this tornado warning at Feb 24, 2011, 10:44 PM CST for Lauderdale County, Lawrence County, Limestone County, Alabama. It was in force for 31 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, 10:44 PM CST (04:44 UTC)
- Expired
- Feb 24, 2011, 11:15 PM CST
- In force
- 31 min
- Issued by
- NWS Huntsville, AL
- Area
- Storm-based polygon
Counties Lauderdale County, AL, Lawrence County, AL, Limestone County, AL
The radar
The Northeast Alabama radar (KHTX), 80 km from the middle of the area, began a volume at 04:48 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, 10:59 PM CST | TSTM WND DMG | 5 Ese Rogersville, AL | MULTIPLE TREES DOWN NEAR HWY 72. |
| Feb 24, 10:59 PM CST | HAIL 0.5 | 5 Ese Rogersville, AL | DIME SIZED HAIL REPORTED NEAR HWY 72. |
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
Nashville Metro, TN (KBNA), launched 00:00Z, 4.7 hours before the alert went out and 148 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
- 17 J/kg
- Mixed-layer CIN
- -79 J/kg
- Mixed-layer LCL
- 793 m above ground
- 0-6 km bulk shear
- 74 kt
- 0-1 km storm-relative helicity
- 538 m²/s²
- 0-3 km storm-relative helicity
- 629 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
014
WFUS54 KHUN 250444
TORHUN
ALC077-079-083-250515-
/O.NEW.KHUN.TO.W.0004.110225T0444Z-110225T0515Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1044 PM CST THU FEB 24 2011
THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A
* TORNADO WARNING FOR...
LIMESTONE COUNTY IN NORTH CENTRAL ALABAMA...
SOUTHEASTERN LAUDERDALE COUNTY IN NORTHWEST ALABAMA...
NORTHEASTERN LAWRENCE COUNTY IN NORTHWEST ALABAMA...
* UNTIL 1115 PM CST
* AT 1044 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR NORTH
COURTLAND...MOVING EAST AT 60 MPH.
* LOCATIONS NEAR THE PATH OF THIS TORNADO INCLUDE...
COXEY.
RIPLEY.
ATHENS.
ELKMONT.
HOLLAND GIN.
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 3482 8678 3478 8679 3477 8679 3461 8736
3485 8743 3500 8684 3500 8683
TIME...MOT...LOC 0444Z 248DEG 53KT 3474 8728
$$
SL2 follow-up statements
684
WWUS54 KHUN 250457
SVSHUN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1057 PM CST THU FEB 24 2011
ALC077-079-250505-
/O.CAN.KHUN.TO.W.0004.000000T0000Z-110225T0515Z/
LAUDERDALE AL-LAWRENCE AL-
1057 PM CST THU FEB 24 2011
...THE TORNADO WARNING FOR NORTHEASTERN LAWRENCE AND SOUTHEASTERN
LAUDERDALE COUNTIES IS CANCELED...
WEATHER SERVICE DOPPLER RADAR INDICATED THE THUNDERSTORM THAT
PROMPTED THE TORNADO WARNING HAS MOVED OUT OF LAWRENCE AND
SOUTHEASTERN LAUDERDALE COUNTY. THEREFORE THE TORNADO WARNING HAS
BEEN ALLOWED TO EXPIRE.
A SEPARATE SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR
LAWRENCE AND WESTERN LAUDERDALE COUNTIES FOR DAMAGING WINDS IN
EXCESS OF 70 MPH WINDS UNTIL 1130 PM CST.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CST FRIDAY MORNING FOR
NORTHERN ALABAMA AND CENTRAL TENNESSEE.
LAT...LON 3500 8683 3483 8678 3477 8679 3468 8709
3469 8710 3474 8716 3483 8722 3485 8721
3490 8721
TIME...MOT...LOC 0455Z 249DEG 49KT 3478 8712
$$
ALC083-250515-
/O.CON.KHUN.TO.W.0004.000000T0000Z-110225T0515Z/
LIMESTONE AL-
1057 PM CST THU FEB 24 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM CST FOR
LIMESTONE COUNTY...
AT 1053 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR RIPLEY...OR ABOUT
11 MILES WEST OF ATHENS...MOVING EAST AT 55 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
CAIRO...CARTWRIGHT...TANNER...ELKMONT...FRENCH MILL...HOLLAND GIN...
CAPSHAW...BETHEL AND ARDMORE.
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 3500 8683 3483 8678 3477 8679 3468 8709
3469 8710 3474 8716 3483 8722 3485 8721
3490 8721
TIME...MOT...LOC 0455Z 249DEG 49KT 3478 8712
$$
SL358
WWUS54 KHUN 250512
SVSHUN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1112 PM CST THU FEB 24 2011
ALC083-250520-
/O.EXP.KHUN.TO.W.0004.000000T0000Z-110225T0515Z/
LIMESTONE AL-
1112 PM CST THU FEB 24 2011
...THE TORNADO WARNING FOR LIMESTONE COUNTY EXPIRES AT 1115 PM CST...
WEATHER SERVICE DOPPLER RADAR INDICATED THE THUNDERSTORM THAT
PROMPTED THE TORNADO WARNING HAD WEAKENED. THEREFORE THE TORNADO
WARNING HAS BEEN ALLOWED TO EXPIRE.
HOWEVER...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR
LIMESTONE COUNTY UNTIL 1130 PM CST FOR DESTRUCTIVE WINDS IN EXCESS
OF 70 MPH.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CST FRIDAY MORNING FOR
NORTHERN ALABAMA AND CENTRAL TENNESSEE.
LAT...LON 3500 8683 3483 8678 3477 8679 3468 8709
3469 8710 3474 8716 3483 8722 3485 8721
3490 8721
TIME...MOT...LOC 0510Z 249DEG 49KT 3485 8688
$$
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, 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, 11:23 PM CST | Tornado Warning | HUN | Marshall, Morgan | 37 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.