Alert archive / Alabama / Tornado Warnings in 2011
Tornado Warning 87, NWS Birmingham, AL
NWS Birmingham, AL issued this tornado warning at Apr 15, 2011, 9:37 PM CDT for Coosa County, Elmore County, Tallapoosa County, Alabama. It was in force for 38 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
- Apr 15, 2011, 9:37 PM CDT (02:37 UTC)
- Expired
- Apr 15, 2011, 10:15 PM CDT
- In force
- 38 min
- Issued by
- NWS Birmingham, AL
- Area
- Storm-based polygon
Counties Coosa County, AL, Elmore County, AL, Tallapoosa County, AL
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, 7:48 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 2.6 hours before the alert went out and 151 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.
189 WFUS54 KBMX 160237 TORBMX ALC037-051-123-160315- /O.NEW.KBMX.TO.W.0087.110416T0237Z-110416T0315Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 937 PM CDT FRI APR 15 2011 THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A * TORNADO WARNING FOR... SOUTHEASTERN COOSA COUNTY IN EAST CENTRAL ALABAMA... NORTHERN ELMORE COUNTY IN EAST CENTRAL ALABAMA... TALLAPOOSA COUNTY IN EAST CENTRAL ALABAMA... * UNTIL 1015 PM CDT * AT 935 PM CDT...THE NATIONAL WEATHER SERVICE INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR SPEED...OR 7 MILES WEST OF EQUALITY...AND MOVING NORTHEAST AT 40 MPH. * LOCATIONS IMPACTED INCLUDE... EQUALITY...KELLYTON...ALEXANDER CITY...DADEVILLE...NIXBURG... COTTAGE GROVE...HIGHWAY 9 AND HIGHWAY 22...MARTIN LAKE AT KOWALIGA...WIND CREEK STATE PARK AND STILL WATERS RESORT. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING. TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW. && TO REPORT SEVERE WEATHER... CALL 1-800-856-0758. LAT...LON 3310 8590 3276 8567 3266 8628 3279 8634 TIME...MOT...LOC 0237Z 241DEG 34KT 3276 8620 $$
3 follow-up statements
827 WWUS54 KBMX 160247 SVSBMX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 947 PM CDT FRI APR 15 2011 ALC037-051-123-160315- /O.CON.KBMX.TO.W.0087.000000T0000Z-110416T0315Z/ ELMORE AL-COOSA AL-TALLAPOOSA AL- 947 PM CDT FRI APR 15 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN TALLAPOOSA... SOUTHEASTERN COOSA AND NORTHEASTERN ELMORE COUNTIES UNTIL 1015 PM CDT... AT 944 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR EQUALITY...MOVING NORTHEAST AT 40 MPH. LOCATIONS IMPACTED INCLUDE... KELLYTON...ALEXANDER CITY...DADEVILLE...HIGHWAY 9 AND HIGHWAY 22... MARTIN LAKE AT KOWALIGA...WIND CREEK STATE PARK...STILL WATERS RESORT...JACKSONS' GAP...JACKSONS GAP AND HILLABEE CREEK. PRECAUTIONARY/PREPAREDNESS ACTIONS... TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW. && TO REPORT SEVERE WEATHER...CALL 1-800-856-0758. LAT...LON 3270 8612 3285 8623 3310 8590 3276 8567 TIME...MOT...LOC 0247Z 241DEG 34KT 3281 8610 $$
992 WWUS54 KBMX 160300 SVSBMX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 1000 PM CDT FRI APR 15 2011 ALC051-160310- /O.CAN.KBMX.TO.W.0087.000000T0000Z-110416T0315Z/ ELMORE AL- 1000 PM CDT FRI APR 15 2011 ...THE TORNADO WARNING FOR NORTHEASTERN ELMORE COUNTY IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE COUNTY. TO REPORT SEVERE WEATHER...CALL 1-800-856-0758. LAT...LON 3278 8598 3291 8607 3310 8590 3281 8570 TIME...MOT...LOC 0300Z 241DEG 34KT 3285 8597 $$ ALC037-123-160315- /O.CON.KBMX.TO.W.0087.000000T0000Z-110416T0315Z/ COOSA AL-TALLAPOOSA AL- 1000 PM CDT FRI APR 15 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN TALLAPOOSA AND EAST CENTRAL COOSA COUNTIES UNTIL 1015 PM CDT... AT 958 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR WIND CREEK STATE PARK...OR 7 MILES SOUTHWEST OF ALEXANDER CITY...MOVING NORTHEAST AT 40 MPH. LOCATIONS IMPACTED INCLUDE... ALEXANDER CITY...DADEVILLE...WIND CREEK STATE PARK...JACKSONS' GAP...JACKSONS GAP...HILLABEE CREEK...DARE PARK AND HACKNEYVILLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW. && TO REPORT SEVERE WEATHER...CALL 1-800-856-0758. LAT...LON 3278 8598 3291 8607 3310 8590 3281 8570 TIME...MOT...LOC 0300Z 241DEG 34KT 3285 8597 $$
980 WWUS54 KBMX 160309 SVSBMX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 1009 PM CDT FRI APR 15 2011 ALC037-123-160319- /O.EXP.KBMX.TO.W.0087.000000T0000Z-110416T0315Z/ COOSA AL-TALLAPOOSA AL- 1009 PM CDT FRI APR 15 2011 ...THE TORNADO WARNING FOR NORTHERN TALLAPOOSA AND EAST CENTRAL COOSA COUNTIES WILL EXPIRE AT 1015 PM CDT... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO WATCH REMAINS IN EFFECT UNTIL 3 AM. TO REPORT SEVERE WEATHER...CALL 1-800-856-0758. LAT...LON 3278 8598 3291 8607 3310 8590 3281 8570 TIME...MOT...LOC 0309Z 241DEG 34KT 3294 8588 $$
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 7:03 PM CDT | Tornado Warning | BMX | Autauga, Chilton, Dallas, Perry | 57 min |
| 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, 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; the sounding from the Mesonet's radiosonde archive.