Alert archive / Alabama / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 196, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Apr 27, 2011, 6:49 AM CDT for 7 counties in Alabama. It was in force for 56 min. 11 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 27, 2011, 6:49 AM CDT (11:49 UTC)
- Expired
- Apr 27, 2011, 7:45 AM CDT
- In force
- 56 min
- Issued by
- NWS Birmingham, AL
- Area
- Storm-based polygon
Counties Calhoun County, AL, Cherokee County, AL, Clay County, AL, Cleburne County, AL, Etowah County, AL, Randolph County, AL, Talladega County, AL
The radar
The Northeast Alabama radar (KHTX), 115 km from the middle of the area, began a volume at 11:49 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 27, 6:50 AM CDT | TSTM WND DMG | Hokes Bluff, AL | NUMEROUS TREES DOWN AROUND THE AREA. |
| Apr 27, 6:55 AM CDT | TSTM WND DMG | 6 Nw Piedmont, AL | *** 1 INJ *** HOME DAMAGED ON CR 6 IN THE GNATVILLE COMMUNITY. |
| Apr 27, 6:55 AM CDT | TSTM WND DMG | 6 Nw Piedmont, AL | HOME DAMAGED ON CR 6 IN THE GNATVILLE COMMUNITY. |
| Apr 27, 6:58 AM CDT | TSTM WND DMG | 5 Ese Slackland, AL | TREE ON HOUSE ON COUNTY ROAD 5. |
| Apr 27, 7:00 AM CDT | TSTM WND DMG | Ashland, AL | NUMEROUS TREES AND POWERLINES DOWN IN AND AROUND ASHLAND. TREE ON HOUSE IN THE SHIREYS MILL COMMUNITY IN ASHLAND. |
| Apr 27, 7:02 AM CDT | TSTM WND DMG | 3 Nnw Centre, AL | TREES DOWN IN TEH TATES CHAPEL COMMUNITY. |
| Apr 27, 7:05 AM CDT | TSTM WND DMG | 3 Ne Hokes Bluff, AL | SOME STRUCTURE DAMAGE REPORTED IN BALLPLAY. ONE PERSON TRAPPED. |
| Apr 27, 7:05 AM CDT | TSTM WND DMG | Centre, AL | A LARGE TREE FELL ON A HOME ALONG HIGHWAY 411 NORTH. ONE PERSON WAS TRAPPED. NUMEROUS TREES DOWN AROUND THE AREA. |
| Apr 27, 7:05 AM CDT | TSTM WND DMG | Centre, AL | A LARGE TREE FELL ON A HOME ALONG HIGHWAY 411 NORTH. ON PERSON WAS TRAPPED. |
| Apr 27, 7:05 AM CDT | TSTM WND DMG | Ellisville, AL | TREES DOWN BLOCKING HWY 9. |
| Apr 27, 7:06 AM CDT | TSTM WND DMG | 5 Ese Centre, AL | SIGNIFICANT STRUCTURAL DAMAGE TO NEW BETHEL CHURCH ON HWY 411N. |
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 27, 2:26 AM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 11.8 hours before the alert went out and 127 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
- 528 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 1385 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 134 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.3
The text
As transmitted, in the capitals the NWS used until 2016.
634
WUUS54 KBMX 271149
SVRBMX
ALC015-019-027-029-055-111-121-271245-
/O.NEW.KBMX.SV.W.0196.110427T1149Z-110427T1245Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
649 AM CDT WED APR 27 2011
THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN CALHOUN COUNTY IN EAST CENTRAL ALABAMA...
CHEROKEE COUNTY IN NORTHEAST ALABAMA...
CLAY COUNTY IN EAST CENTRAL ALABAMA...
CLEBURNE COUNTY IN EAST CENTRAL ALABAMA...
EASTERN ETOWAH COUNTY IN NORTHEAST ALABAMA...
RANDOLPH COUNTY IN EAST CENTRAL ALABAMA...
EAST CENTRAL TALLADEGA COUNTY IN EAST CENTRAL ALABAMA...
* UNTIL 745 AM CDT
* AT 644 AM CDT...THE NATIONAL WEATHER SERVICE INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN
EXCESS OF 80 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM ANDERSON TO BLUE MOUNTAIN TO 9 MILES EAST OF WOODSTOCK...AND
MOVING EAST AT 50 MPH.
* LOCATIONS IMPACTED INCLUDE...
JACKSONVILLE...ASHLAND...LINEVILLE...HEFLIN...CENTRE...PIEDMONT...
CEDAR BLUFF AND WEDOWEE.
THIS INCLUDES...
INTERSTATE 20 EXIT NUMBERS 185 THROUGH 210...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
YOUR HOME OR BUSINESS.
&&
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM CDT WEDNESDAY MORNING
FOR NORTHERN ALABAMA.
TO REPORT SEVERE WEATHER...
CALL 1-800-856-0758.
LAT...LON 3316 8524 3314 8607 3370 8583 3418 8601
3416 8584 3424 8584 3426 8578 3438 8562
3450 8556 3452 8552
TIME...MOT...LOC 1149Z 276DEG 45KT 3408 8587 3369 8575
3322 8593
$$2 follow-up statements
368
WWUS54 KBMX 271211
SVSBMX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
711 AM CDT WED APR 27 2011
ALC055-121-271221-
/O.CAN.KBMX.SV.W.0196.000000T0000Z-110427T1245Z/
TALLADEGA AL-ETOWAH AL-
711 AM CDT WED APR 27 2011
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN ETOWAH AND EAST
CENTRAL TALLADEGA COUNTIES IS CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF
THESE COUNTIES.
TO REPORT SEVERE WEATHER...CALL 1-800-856-0758.
LAT...LON 3316 8524 3315 8594 3371 8563 3410 8573
3416 8578 3424 8577 3427 8569 3438 8562
3450 8556 3452 8552
TIME...MOT...LOC 1211Z 276DEG 45KT 3424 8549 3368 8540
3317 8569
$$
ALC015-019-027-029-111-271245-
/O.CON.KBMX.SV.W.0196.000000T0000Z-110427T1245Z/
CLAY AL-RANDOLPH AL-CLEBURNE AL-CALHOUN AL-CHEROKEE AL-
711 AM CDT WED APR 27 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CHEROKEE...
EASTERN CALHOUN...CLEBURNE...RANDOLPH AND EASTERN CLAY COUNTIES UNTIL
745 AM CDT...
AT 710 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS
IN EXCESS OF 70 MPH. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM GAYLESVILLE TO EDWARDSVILLE TO 7 MILES NORTH OF
GOLDVILLE...MOVING EAST AT 50 MPH.
LOCATIONS IMPACTED INCLUDE...
WEDOWEE...MUSCADINE...MARS HILLS...MORRISON CROSS ROADS...MALONE...
CORINTH...RANBURNE...CRYSTAL LAKE...R.L. HARRIS DAM AND I 20
WELCOME CENTER.
THIS INCLUDES...
INTERSTATE 20 EXIT NUMBERS 199 THROUGH 210...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.
&&
TO REPORT SEVERE WEATHER...CALL 1-800-856-0758.
LAT...LON 3316 8524 3315 8594 3371 8563 3410 8573
3416 8578 3424 8577 3427 8569 3438 8562
3450 8556 3452 8552
TIME...MOT...LOC 1211Z 276DEG 45KT 3424 8549 3368 8540
3317 8569
$$796
WWUS54 KBMX 271225
SVSBMX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
725 AM CDT WED APR 27 2011
ALC015-019-271235-
/O.CAN.KBMX.SV.W.0196.000000T0000Z-110427T1245Z/
CALHOUN AL-CHEROKEE AL-
725 AM CDT WED APR 27 2011
...THE SEVERE THUNDERSTORM WARNING FOR CHEROKEE AND EASTERN CALHOUN
COUNTIES IS CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF
THESE COUNTIES.
TO REPORT SEVERE WEATHER...CALL 1-800-856-0758.
LAT...LON 3316 8524 3315 8575 3369 8549 3369 8535
TIME...MOT...LOC 1225Z 276DEG 45KT 3366 8524 3366 8519
3315 8548
$$
ALC027-029-111-271245-
/O.CON.KBMX.SV.W.0196.000000T0000Z-110427T1245Z/
CLAY AL-RANDOLPH AL-CLEBURNE AL-
725 AM CDT WED APR 27 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
CLEBURNE...RANDOLPH AND EAST CENTRAL CLAY COUNTIES UNTIL 745 AM
CDT...
AT 823 AM EDT/723 AM CDT/...NATIONAL WEATHER SERVICE DOPPLER RADAR
INDICATED A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG
A LINE EXTENDING FROM 6 MILES EAST OF ABERNATHY TO 6 MILES SOUTH OF
TALLAPOOSA TO CORINTH...MOVING EAST AT 50 MPH.
LOCATIONS IMPACTED INCLUDE...
CRYSTAL LAKE...NAPOLEON...ROCK STAND AND BIG SPRINGS.
THIS INCLUDES...
INTERSTATE 20 EXIT NUMBERS 205 THROUGH 210...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.
&&
TO REPORT SEVERE WEATHER...CALL 1-800-856-0758.
LAT...LON 3316 8524 3315 8575 3369 8549 3369 8535
TIME...MOT...LOC 1225Z 276DEG 45KT 3366 8524 3366 8519
3315 8548
$$The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 3:37 AM CDT | Tornado Warning | BMX | Lamar, Pickens | 38 min |
| Apr 27, 3:45 AM CDT | Severe Thunderstorm Warning | BMX | Lamar, Marion | 45 min |
| Apr 27, 3:59 AM CDT | Severe Thunderstorm Warning | BMX | Greene, Lamar, Pickens, Sumter | 46 min |
| Apr 27, 4:13 AM CDT | Tornado Warning | BMX | Pickens | 32 min |
| Apr 27, 4:14 AM CDT | Tornado Warning | BMX | Greene, Pickens, Sumter | 31 min |
| Apr 27, 4:19 AM CDT | Severe Thunderstorm Warning | BMX | Lamar, Marion | 41 min |
| Apr 27, 4:26 AM CDT | Tornado Warning | BMX | Marion | 34 min |
| Apr 27, 4:28 AM CDT | Severe Thunderstorm Warning | BMX | Greene, Marengo, Sumter | 47 min |
| Apr 27, 4:33 AM CDT | Tornado Warning | BMX | Fayette, Pickens, Tuscaloosa | 27 min |
| Apr 27, 4:40 AM CDT | Severe Thunderstorm Warning | BMX | Fayette, Greene, Hale, Lamar, Pickens, Tuscaloosa | 50 min |
| Apr 27, 4:44 AM CDT | Tornado Warning | BMX | Pickens, Tuscaloosa | 31 min |
| Apr 27, 5:07 AM CDT | Tornado Warning | BMX | Fayette, Walker | 38 min |
| Apr 27, 5:11 AM CDT | Severe Thunderstorm Warning | BMX | Bibb, Blount, Fayette, Hale, Jefferson, Shelby and 2 more | 49 min |
| Apr 27, 5:14 AM CDT | Tornado Warning | BMX | Jefferson, Tuscaloosa, Walker | 31 min |
| Apr 27, 5:29 AM CDT | Tornado Warning | BMX | Bibb, Jefferson, Shelby, Tuscaloosa | 31 min |
| Apr 27, 5:44 AM CDT | Severe Thunderstorm Warning | BMX | Bibb, Chilton, Dallas, Perry, Shelby | 46 min |
| Apr 27, 5:52 AM CDT | Severe Thunderstorm Warning | BMX | Blount, Chilton, Etowah, Jefferson, St. Clair, Shelby and 1 more | 53 min |
| Apr 27, 6:02 AM CDT | Special Weather Statement | BMX | Autauga, Chilton, Dallas | 43 min |
| Apr 27, 6:21 AM CDT | Severe Thunderstorm Warning | BMX | Blount, Calhoun, Cherokee, Clay, Cleburne, Coosa and 3 more | 39 min |
| Apr 27, 8:05 AM CDT | Severe Thunderstorm Warning | BMX | Lamar, Marion | 25 min |
| Apr 27, 8:20 AM CDT | Severe Thunderstorm Warning | BMX | Marion | 25 min |
| Apr 27, 10:04 AM CDT | Severe Thunderstorm Warning | BMX | Lamar, Marion | 41 min |
| Apr 27, 10:42 AM CDT | Special Weather Statement | BMX | Lamar, Marion, Winston | 48 min |
| Apr 27, 10:51 AM CDT | Areal Flood Advisory | BMX | Marion | 54 min |
| Apr 27, 12:08 PM CDT | Areal Flood Advisory | BMX | Marion, Winston | 112 min |
| Apr 27, 2:09 PM CDT | Tornado Warning | BMX | Walker, Winston | 31 min |
| Apr 27, 2:17 PM CDT | Areal Flood Advisory | BMX | Marion, Winston | 118 min |
| Apr 27, 2:51 PM CDT | River Flood Warning | BMX | Greene, Hale, Marengo, Sumter | 19 hr |
| Apr 27, 2:51 PM CDT | River Flood Warning | BMX | Greene, Hale, Marengo, Sumter | 6 hr |
| Apr 27, 2:59 PM CDT | Tornado Warning | BMX | Lamar, Marion | 46 min |
| Apr 27, 3:15 PM CDT | Tornado Warning | BMX | Pickens, Tuscaloosa | 60 min |
| Apr 27, 3:21 PM CDT | Tornado Warning | BMX | Lamar, Marion | 54 min |
| Apr 27, 3:38 PM CDT | Tornado Warning | BMX | Greene, Hale, Pickens, Sumter, Tuscaloosa | 67 min |
| Apr 27, 3:56 PM CDT | Tornado Warning | BMX | Marion | 34 min |
| Apr 27, 3:57 PM CDT | Flash Flood Warning | BMX | Marion, Winston | 3 hr |
| Apr 27, 4:00 PM CDT | Tornado Warning | BMX | Fayette, Pickens, Tuscaloosa, Walker | 60 min |
| Apr 27, 4:31 PM CDT | Tornado Warning | BMX | Pickens, Tuscaloosa | 20 min |
| Apr 27, 4:44 PM CDT | Tornado Warning | BMX | Fayette, Lamar, Marion | 61 min |
| Apr 27, 4:47 PM CDT | Tornado Warning | BMX | Greene, Pickens, Tuscaloosa | 58 min |
| Apr 27, 4:50 PM CDT | Tornado Warning | BMX | Greene, Hale, Sumter | 55 min |
| Apr 27, 4:55 PM CDT | Tornado Warning | BMX | Blount, Jefferson, Walker | 65 min |
| Apr 27, 5:22 PM CDT | Tornado Warning | BMX | Fayette, Lamar | 68 min |
| Apr 27, 5:28 PM CDT | Tornado Warning | BMX | Marion, Winston | 30 min |
| Apr 27, 5:31 PM CDT | Tornado Warning | BMX | Jefferson, Shelby, Tuscaloosa | 59 min |
| Apr 27, 5:38 PM CDT | Tornado Warning | BMX | Bibb, Greene, Hale, Perry, Tuscaloosa | 67 min |
| Apr 27, 5:39 PM CDT | Tornado Warning | BMX | Blount | 21 min |
| Apr 27, 6:06 PM CDT | Tornado Warning | BMX | Greene, Marengo, Sumter | 16 min |
| Apr 27, 6:14 PM CDT | Tornado Warning | BMX | Fayette, Marion, Walker, Winston | 61 min |
| Apr 27, 6:17 PM CDT | Areal Flood Advisory | BMX | Jefferson | 118 min |
| Apr 27, 6:18 PM CDT | Tornado Warning | BMX | Blount, Jefferson, St. Clair | 57 min |
| Apr 27, 6:20 PM CDT | Tornado Warning | BMX | Bibb, Chilton, Greene, Hale, Perry | 55 min |
| Apr 27, 6:33 PM CDT | Areal Flood Warning | BMX | Marion, Winston | 3 hr |
| Apr 27, 6:35 PM CDT | Severe Thunderstorm Warning | BMX | Fayette, Lamar, Marion, Walker, Winston | 40 min |
| Apr 27, 6:39 PM CDT | Flash Flood Warning | BMX | Blount, Jefferson, St. Clair | 3 hr |
| Apr 27, 6:39 PM CDT | Tornado Warning | BMX | Bibb, Chilton, Shelby, Talladega | 66 min |
| Apr 27, 6:49 PM CDT | Tornado Warning | BMX | Blount, Calhoun, Etowah, St. Clair | 56 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 2011Every severe thunderstorm warning 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.