Alert archive / Alabama / Tornado Warnings in 2011
Tornado Warning 84, NWS Mobile, AL
NWS Mobile, AL issued this tornado warning at Apr 16, 2011, 12:38 AM CDT for Covington County, Alabama. It was in force for 52 min. 4 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 16, 2011, 12:38 AM CDT (05:38 UTC)
- Expired
- Apr 16, 2011, 1:30 AM CDT
- In force
- 52 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
County Covington County, AL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 16, 12:48 AM CDT | HAIL 1 | Andalusia, AL | ONE INCH HAIL REPORTED ON LINDSEY BRIDGE RD. IN ANDALUSIA. |
| Apr 16, 1:10 AM CDT | TSTM WND DMG | Andalusia, AL | NUMEROUS TREES DOWN IN ANDALUSIA...KIWANIS BLDG DAMAGED ON S. END OF TOWN. |
| Apr 16, 1:10 AM CDT | TORNADO | Andalusia, AL | EMERGENCY MANAGER REPORTS 1/2 MILE WIDE PATH OF DAMAGE NEAR THE BYPASS ON THE SOUTH END OF ANDALUSIA. |
| Apr 16, 1:20 AM CDT | HAIL 0.88 | 4 E Opp, AL | NICKEL SIZED HAIL REPORTED 4 MILES EAST OF OPP...BY HAM OPERATOR. |
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, 7:48 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 5.6 hours before the alert went out and 221 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1577 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 78 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
473
WFUS54 KMOB 160538
TORMOB
ALC039-160630-
/O.NEW.KMOB.TO.W.0084.110416T0538Z-110416T0630Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1238 AM CDT SAT APR 16 2011
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* TORNADO WARNING FOR...
CENTRAL COVINGTON COUNTY IN SOUTH CENTRAL ALABAMA...
THIS INCLUDES THE CITIES OF...OPP...ANDALUSIA...
* UNTIL 130 AM CDT
* AT 1235 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES
SOUTHWEST OF ANDALUSIA...OR NEAR CAROLINA...MOVING EAST AT 40 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
LIBERTYVILLE...HEATH...SANFORD...HORN HILL...BABBIE AND ONYCHA
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CDT SATURDAY MORNING
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA.
&&
LAT...LON 3116 8659 3132 8663 3145 8622 3145 8619
3130 8618 3119 8619
TIME...MOT...LOC 0538Z 260DEG 35KT 3126 8653
$$2 follow-up statements
309
WWUS54 KMOB 160550
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1250 AM CDT SAT APR 16 2011
ALC039-160630-
/O.CON.KMOB.TO.W.0084.000000T0000Z-110416T0630Z/
COVINGTON AL-
1250 AM CDT SAT APR 16 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 130 AM CDT FOR CENTRAL
COVINGTON COUNTY...
AT 1245 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS
TORNADO WAS NEAR ANDALUSIA...MOVING EAST AT 40 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
SANFORD...STRAUGHN...HARMONY...ANTIOCH...HORN HILL...WIGGINS...
BABBIE...ONYCHA...EODA...OPP...BEULAH...BLAIRS...ESTOTHEL...COUNTY
LINE AND FRIENDSHIP
THE SAFEST PLACE TO BE DURING A TORNADO IS ON THE LOWEST FLOOR OF A
STURDY BUILDING...PREFERABLY IN AN INTERIOR HALLWAY OR A ROOM SUCH AS
A CLOSET OR BATHROOM. IF POSSIBLE...GET UNDER A WORKBENCH OR OTHER
PIECE OF STURDY FURNITURE. USE BLANKETS OR PILLOWS TO COVER YOUR BODY
AND ALWAYS STAY AWAY FROM WINDOWS.
IF YOU ARE IN MOBILE HOME...EVACUATE IT AND GET ON THE LOWEST FLOOR
OF A NEARBY STURDY BUILDING OR IN AN UNDERGROUND STORM SHELTER. IF NO
SUBSTANTIAL SHELTER IS AVAILABLE AND A TORNADO IS FAST APPROACHING...
SEEK SHELTER IN A CULVERT...OR LIE FLAT IN THE NEAREST DITCH OR OTHER
LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CDT SATURDAY MORNING
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA.
LAT...LON 3122 8649 3135 8653 3145 8622 3145 8619
3140 8619 3127 8618 3122 8619
TIME...MOT...LOC 0550Z 255DEG 35KT 3131 8641
$$312
WWUS54 KMOB 160627
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
127 AM CDT SAT APR 16 2011
ALC039-160636-
/O.EXP.KMOB.TO.W.0084.000000T0000Z-110416T0630Z/
COVINGTON AL-
127 AM CDT SAT APR 16 2011
...THE TORNADO WARNING FOR CENTRAL COVINGTON COUNTY WILL EXPIRE AT
130 AM CDT...
A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
COVINGTON COUNTY UNTIL 145 AM CDT.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CDT SATURDAY MORNING
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA.
LAT...LON 3122 8649 3135 8653 3145 8622 3145 8619
3140 8619 3127 8618 3122 8619
TIME...MOT...LOC 0626Z 255DEG 35KT 3140 8601
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 7:14 PM CDT | Tornado Warning | MOB | Washington | 36 min |
| Apr 15, 7:24 PM CDT | Tornado Warning | MOB | Mobile, Washington | 51 min |
| Apr 15, 7:36 PM CDT | Severe Thunderstorm Warning | MOB | Wilcox | 39 min |
| Apr 15, 7:39 PM CDT | Tornado Warning | MOB | Clarke, Monroe, Wilcox | 29 min |
| Apr 15, 7:54 PM CDT | Tornado Warning | MOB | Clarke, Monroe, Wilcox | 51 min |
| Apr 15, 8:11 PM CDT | Tornado Warning | MOB | Washington | 49 min |
| Apr 15, 8:28 PM CDT | Tornado Warning | MOB | Washington | 47 min |
| Apr 15, 8:50 PM CDT | Tornado Warning | MOB | Baldwin, Clarke, Escambia, Mobile, Monroe, Washington | 55 min |
| Apr 15, 9:15 PM CDT | Severe Thunderstorm Warning | MOB | Clarke, Mobile, Washington | 45 min |
| Apr 15, 9:18 PM CDT | Flash Flood Warning | MOB | Washington | 117 min |
| Apr 15, 9:38 PM CDT | Tornado Warning | MOB | Conecuh, Monroe | 52 min |
| Apr 15, 9:41 PM CDT | Tornado Warning | MOB | Clarke, Washington | 49 min |
| Apr 15, 9:59 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Clarke, Mobile, Monroe, Washington | 61 min |
| Apr 15, 10:05 PM CDT | Tornado Warning | MOB | Baldwin, Clarke, Mobile, Monroe, Washington | 55 min |
| Apr 15, 10:24 PM CDT | Tornado Warning | MOB | Butler, Clarke, Conecuh, Monroe, Wilcox | 51 min |
| Apr 15, 10:32 PM CDT | Tornado Warning | MOB | Baldwin, Mobile | 33 min |
| Apr 15, 10:56 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Conecuh, Escambia, Mobile, Monroe | 64 min |
| Apr 15, 10:59 PM CDT | Tornado Warning | MOB | Baldwin, Conecuh, Escambia, Monroe | 61 min |
| Apr 15, 11:10 PM CDT | Tornado Warning | MOB | Butler, Crenshaw | 16 min |
| Apr 15, 11:33 PM CDT | Severe Thunderstorm Warning | MOB | Butler, Crenshaw | 42 min |
| Apr 15, 11:45 PM CDT | Tornado Warning | MOB | Conecuh, Covington, Escambia | 60 min |
| Apr 16, 12:00 AM CDT | Severe Thunderstorm Warning | MOB | Butler, Conecuh, Covington, Crenshaw | 60 min |
| Apr 16, 12:11 AM CDT | Severe Thunderstorm Warning | MOB | Crenshaw | 32 min |
| Apr 16, 1:01 AM CDT | Severe Thunderstorm Warning | MOB | Covington | 33 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.