Alert archive / Alabama / Tornado Warnings in 2011
Tornado Warning 79, NWS Birmingham, AL
NWS Birmingham, AL issued this tornado warning at Apr 15, 2011, 7:03 PM CDT for 4 counties in Alabama. It was in force for 57 min. 3 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
- Apr 15, 2011, 7:03 PM CDT (00:03 UTC)
- Expired
- Apr 15, 2011, 8:00 PM CDT
- In force
- 57 min
- Issued by
- NWS Birmingham, AL
- Area
- Storm-based polygon
Counties Autauga County, AL, Chilton County, AL, Dallas County, AL, Perry County, AL
The radar
The Birmingham radar (KBMX), 53 km from the middle of the area, began a volume at 00:03 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 |
|---|---|---|---|
| Apr 15, 7:05 PM CDT | TSTM WND DMG | 4 Sw Plantersville, AL | TREES DOWN AND BLOCKING SR 22. |
| Apr 15, 7:05 PM CDT | TORNADO 1 | 6 Nnw Valley Grande, AL | AN EF-1 TORNADO BRIEFLY TOUCHED DOWN ALONG COUNTY ROAD 272 UPROOTING SEVERAL SOFT AND HARDWOOD TREES. SIGNIFICANT DAMAGE WAS SUSTAINED TO A MOBILE HOME FROM UPROOTED TREES. THE DAMAGE PATH LENGTH WAS 0.1 MILES AND THE MAX WIDTH WAS 100 YARDS WIDE. THE MAX ESTI |
| Apr 15, 7:05 PM CDT | TORNADO 1 | 6 Nnw Valley Grande, AL | AN EF-1 TORNADO BRIEFLY TOUCHED DOWN ALONG COUNTY ROAD 272 UPROOTING SEVERAL SOFT AND HARDWOOD TREES. SIGNIFICANT DAMAGE WAS SUSTAINED TO A MOBILE HOME FROM UPROOTED TREES. THE DAMAGE PATH LENGTH WAS 0.1 MILES AND THE MAX WIDTH WAS 75 YARDS WIDE. THE MAX ESTIM |
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 |
|---|---|---|---|
| Apr 15, 11:21 AM CDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 0.1 hours before the alert went out and 223 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
- 406 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 1138 m above ground
- 0-6 km bulk shear
- 68 kt
- 0-1 km storm-relative helicity
- 373 m²/s²
- 0-3 km storm-relative helicity
- 566 m²/s²
- Significant tornado parameter
- 1.3
- Supercell composite
- 11.3
The text
As transmitted, in the capitals the NWS used until 2016.
667 WFUS54 KBMX 160003 TORBMX ALC001-021-047-105-160100- /O.NEW.KBMX.TO.W.0079.110416T0003Z-110416T0100Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 703 PM CDT FRI APR 15 2011 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A * TORNADO WARNING FOR... NORTHERN AUTAUGA COUNTY IN CENTRAL ALABAMA... SOUTHERN CHILTON COUNTY IN CENTRAL ALABAMA... NORTHEASTERN DALLAS COUNTY IN SOUTH CENTRAL ALABAMA... EAST CENTRAL PERRY COUNTY IN CENTRAL ALABAMA... * UNTIL 800 PM CDT * AT 659 PM CDT...THE NATIONAL WEATHER SERVICE WAS TRACKING A CONFIRMED TORNADO 5 MILES SOUTHWEST OF PAUL M GRIST STATE PARK...OR 6 MILES NORTHWEST OF VALLEY GRANDE. DOPPLER RADAR SHOWED THIS TORNADO MOVING EAST NORTHEAST AT 35 MPH. * LOCATIONS IMPACTED INCLUDE... VALLEY GRANDE...CLANTON...PAUL M GRIST STATE PARK...PARNELL... PLECHER...VIDA JUNCTION...BILLINGSLEY...POOLES CROSSROADS...VERBENA AND BARRETT CREEK. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. && TO REPORT SEVERE WEATHER... CALL 1-800-856-0758. LAT...LON 3288 8657 3259 8642 3249 8708 3262 8713 TIME...MOT...LOC 0003Z 248DEG 28KT 3257 8703 $$ 03/08
3 follow-up statements
633 WWUS54 KBMX 160015 SVSBMX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 715 PM CDT FRI APR 15 2011 ALC105-160022- /O.CAN.KBMX.TO.W.0079.000000T0000Z-110416T0100Z/ PERRY AL- 715 PM CDT FRI APR 15 2011 ...THE TORNADO WARNING FOR EAST CENTRAL PERRY COUNTY IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA. REMEMBER...A TORNADO WARNING REMAINS IN EFFECT FOR MUCH OF THE COUNTY WITH ANOTHER SEVERE THUNDERSTORM TO THE SOUTHWEST. TO REPORT SEVERE WEATHER...CALL 1-800-856-0758. LAT...LON 3254 8697 3266 8704 3288 8657 3259 8642 TIME...MOT...LOC 0012Z 242DEG 45KT 3266 8691 $$ ALC001-021-047-160100- /O.CON.KBMX.TO.W.0079.000000T0000Z-110416T0100Z/ DALLAS AL-AUTAUGA AL-CHILTON AL- 715 PM CDT FRI APR 15 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHERN CHILTON... NORTHERN AUTAUGA AND NORTHEASTERN DALLAS COUNTIES UNTIL 800 PM CDT... AT 708 PM CDT...NATIONAL WEATHER SERVICE IS CONTINUING TO FOLLOW A CONFIRMED TORNADO. THIS TORNADO WAS LOCATED NEAR PAUL M GRIST STATE PARK...OR 8 MILES NORTH OF VALLEY GRANDE...MOVING NORTHEAST AT 50 MPH. LOCATIONS IMPACTED INCLUDE... CLANTON...PARNELL...PLECHER...VIDA JUNCTION...BILLINGSLEY...POOLES CROSSROADS...VERBENA...DAWSON MILL...ENTERPRISE AND NEW PROSPECT. THIS INCLUDES... INTERSTATE 65 EXIT NUMBERS 193 THROUGH 208... TO REPORT SEVERE WEATHER...CALL 1-800-856-0758. LAT...LON 3254 8697 3266 8704 3288 8657 3259 8642 TIME...MOT...LOC 0012Z 242DEG 45KT 3266 8691 $$ 03/08
504 WWUS54 KBMX 160028 SVSBMX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 728 PM CDT FRI APR 15 2011 ALC047-160037- /O.CAN.KBMX.TO.W.0079.000000T0000Z-110416T0100Z/ DALLAS AL- 728 PM CDT FRI APR 15 2011 ...THE TORNADO WARNING FOR NORTHEASTERN DALLAS COUNTY IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA. THE TORNADO WARNING FOR OTHER PARTS OF DALLAS COUNTY REMAIN IN EFFECT. TO REPORT SEVERE WEATHER...CALL 1-800-856-0758. LAT...LON 3264 8685 3274 8687 3288 8657 3259 8642 TIME...MOT...LOC 0027Z 243DEG 40KT 3271 8675 $$ ALC001-021-160100- /O.CON.KBMX.TO.W.0079.000000T0000Z-110416T0100Z/ AUTAUGA AL-CHILTON AL- 728 PM CDT FRI APR 15 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL CHILTON AND NORTHERN AUTAUGA COUNTIES UNTIL 800 PM CDT... AT 722 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR PLECHER...OR 14 MILES SOUTHWEST OF CLANTON... MOVING NORTHEAST AT 45 MPH. THIS STORM PRODUCED DAMAGE SOUTH OF PLANTERSVILLE AS IT MOVED THROUGH. LOCATIONS IMPACTED INCLUDE... CLANTON...POOLES CROSSROADS...VERBENA...ENTERPRISE...NEW PROSPECT AND COOPER. THIS INCLUDES... INTERSTATE 65 EXIT NUMBERS 193 THROUGH 208... PRECAUTIONARY/PREPAREDNESS ACTIONS... TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW. && TO REPORT SEVERE WEATHER...CALL 1-800-856-0758. LAT...LON 3264 8685 3274 8687 3288 8657 3259 8642 TIME...MOT...LOC 0027Z 243DEG 40KT 3271 8675 $$ 61
784 WWUS54 KBMX 160037 SVSBMX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 737 PM CDT FRI APR 15 2011 ALC001-021-160100- /O.CON.KBMX.TO.W.0079.000000T0000Z-110416T0100Z/ AUTAUGA AL-CHILTON AL- 737 PM CDT FRI APR 15 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL CHILTON AND NORTH CENTRAL AUTAUGA COUNTIES UNTIL 800 PM CDT... AT 736 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR POOLES CROSSROADS...OR 7 MILES SOUTH OF CLANTON...MOVING NORTHEAST AT 40 MPH. LOCATIONS IMPACTED INCLUDE... CLANTON...VERBENA...ENTERPRISE AND COOPER. THIS INCLUDES... INTERSTATE 65 EXIT NUMBERS 193 THROUGH 208... PRECAUTIONARY/PREPAREDNESS ACTIONS... HEAVY RAINFALL MAY OBSCURE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW. && TO REPORT SEVERE WEATHER...CALL 1-800-856-0758. LAT...LON 3268 8673 3279 8675 3288 8657 3266 8646 TIME...MOT...LOC 0037Z 245DEG 36KT 3274 8664 $$ 61
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 7:06 PM CDT | Tornado Warning | BMX | Lowndes, Montgomery | 39 min |
| Apr 15, 7:09 PM CDT | Tornado Warning | BMX | Dallas, Marengo, Perry | 66 min |
| Apr 15, 7:33 PM CDT | Areal Flood Advisory | BMX | Marengo | 3 hr |
| Apr 15, 7:41 PM CDT | Tornado Warning | BMX | Chilton, Coosa | 28 min |
| Apr 15, 8:10 PM CDT | Tornado Warning | BMX | Autauga, Chilton, Dallas, Perry | 50 min |
| Apr 15, 8:52 PM CDT | Tornado Warning | BMX | Autauga, Elmore | 38 min |
| Apr 15, 9:15 PM CDT | Tornado Warning | BMX | Autauga, Chilton, Coosa, Elmore | 30 min |
| Apr 15, 9:19 PM CDT | Tornado Warning | BMX | Autauga, Dallas, Lowndes | 41 min |
| Apr 15, 9:37 PM CDT | Tornado Warning | BMX | Coosa, Elmore, Tallapoosa | 38 min |
| Apr 15, 10:32 PM CDT | Severe Thunderstorm Warning | BMX | Autauga, Chilton, Coosa, Dallas, Elmore, Lowndes and 2 more | 28 min |
| Apr 15, 10:43 PM CDT | Severe Thunderstorm Warning | BMX | Calhoun, Clay, Cleburne, Coosa, Randolph, Talladega and 1 more | 32 min |
| Apr 15, 10:44 PM CDT | Tornado Warning | BMX | Autauga, Coosa, Elmore | 46 min |
| Apr 15, 11:20 PM CDT | Severe Thunderstorm Warning | BMX | Lowndes, Montgomery, Pike | 40 min |
| Apr 15, 11:21 PM CDT | Tornado Warning | BMX | Chambers, Coosa, Elmore, Tallapoosa | 54 min |
| Apr 15, 11:28 PM CDT | Severe Thunderstorm Warning | BMX | Chambers, Clay, Cleburne, Randolph, Tallapoosa | 47 min |
| Apr 15, 11:52 PM CDT | Severe Thunderstorm Warning | BMX | Bullock, Macon, Montgomery, Pike | 38 min |
| Apr 15, 11:53 PM CDT | Tornado Warning | BMX | Chambers, Randolph, Tallapoosa | 52 min |
| Apr 16, 12:14 AM CDT | Severe Thunderstorm Warning | BMX | Bullock, Montgomery, Pike | 46 min |
| Apr 16, 12:36 AM CDT | Flash Flood Warning | BMX | Chambers, Randolph, Tallapoosa | 3 hr |
| Apr 16, 12:41 AM CDT | Severe Thunderstorm Warning | BMX | Bullock, Lee, Macon, Russell | 34 min |
| Apr 16, 12:55 AM CDT | Severe Thunderstorm Warning | BMX | Bullock, Macon, Montgomery, Pike | 50 min |
| Apr 16, 1:26 AM CDT | Severe Thunderstorm Warning | BMX | Bullock, Lee, Macon, Russell | 49 min |
| Apr 16, 2:11 AM CDT | Severe Thunderstorm Warning | BMX | Lee, Russell | 19 min |
| Apr 16, 2:58 AM CDT | Special Weather Statement | BMX | Russell | 47 min |
| Apr 16, 4:13 AM CDT | Wind Advisory | BMX | Autauga, Barbour, Bibb, Blount, Bullock, Calhoun and 33 more | 15 hr |
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.