Alert archive / Alabama / Tornado Warnings in 2011
Tornado Warning 86, NWS Mobile, AL
NWS Mobile, AL issued this tornado warning at Apr 27, 2011, 7:21 PM CDT for Choctaw County, Alabama. It was in force for 39 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 27, 2011, 7:21 PM CDT (00:21 UTC)
- Expired
- Apr 27, 2011, 8:00 PM CDT
- In force
- 39 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Emergency
- Tornado emergency
County Choctaw County, AL
The radar
The Birmingham radar (KBMX), 163 km from the middle of the area, began a volume at 00:22 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, 7:25 PM CDT | TORNADO | 5 N Lisman, AL | PEOPLE TRAPPED IN A MOBILE HOME IN THE MOLLIE COMMUNITY |
| Apr 27, 7:27 PM CDT | TORNADO | 1 Ese Cromwell, AL | EMA REPORTED A TORNADO ON THE GROUND BETWEEN CROMWELL AND YANTLEY. |
| Apr 27, 7:27 PM CDT | TORNADO | Yantley, AL | STATE POLICE REPORTED TREES AND POWER LINES DOWN ALONG WITH STRUCTURAL DAMAGE IN YANTLEY. |
| Apr 27, 7:33 PM CDT | TORNADO | 5 Nw Deas, AL | THREE MOBILE HOMES SEVERELY DAMAGE ON HWY 17. |
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, 1:42 PM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 0.4 hours before the alert went out and 163 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
- 3065 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 711 m above ground
- 0-6 km bulk shear
- 73 kt
- 0-1 km storm-relative helicity
- 448 m²/s²
- 0-3 km storm-relative helicity
- 480 m²/s²
- Significant tornado parameter
- 9.6
- Supercell composite
- 33.6
The text
As transmitted, in the capitals the NWS used until 2016.
010
WFUS54 KMOB 280021
TORMOB
ALC023-280100-
/O.NEW.KMOB.TO.W.0086.110428T0021Z-110428T0100Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
721 PM CDT WED APR 27 2011
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* TORNADO WARNING FOR...
NORTHERN CHOCTAW COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 800 PM CDT
* AT 721 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 12 MILES
NORTHWEST OF BUTLER...OR 6 MILES NORTHWEST OF LISMAN...MOVING EAST
AT 40 MPH.
* THE TORNADO WILL BE NEAR...
DEAS AROUND 740 PM CDT...
PENNINGTON AROUND 745 PM CDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION. THIS
STORM IS CAPABLE OF PRODUCING STRONG TO VIOLENT TORNADOES. IF YOU ARE
IN THE PATH OF THIS TORNADO...TAKE COVER IMMEDIATELY!
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT WEDNESDAY EVENING
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.
&&
LAT...LON 3232 8797 3231 8796 3230 8799 3228 8801
3220 8800 3217 8843 3221 8844 3228 8844
3231 8829 3232 8808
TIME...MOT...LOC 0021Z 259DEG 33KT 3224 8833
$$5 follow-up statements
408
WWUS54 KMOB 280029
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
729 PM CDT WED APR 27 2011
ALC023-280100-
/O.CON.KMOB.TO.W.0086.000000T0000Z-110428T0100Z/
CHOCTAW AL-
729 PM CDT WED APR 27 2011
...THIS IS A TORNADO EMERGENCY...
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR
NORTHEASTERN CHOCTAW COUNTY...
AT 728 PM CDT...COUNTY EMERGENCY MANAGEMENT REPORTED A TORNADO ON
THE GROUND BETWEEN CROMWELL AND YANTLEY. THIS TORNADO WAS NEAR
MOLLIE...OR ABOUT 11 MILES NORTH OF BUTLER...MOVING EAST AT 55 MPH.
THE TORNADO WILL BE NEAR...
INDIAN SPRINGS...PELHAM...DEAS AND ROBJOHN AROUND 735 PM CDT...
EDNA...OAKCHIA...NAHEOLA AND PENNINGTON AROUND 740 PM CDT...
THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION. IF
YOU ARE IN THE PATH OF THIS TORNADO...TAKE COVER IMMEDIATELY!
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT WEDNESDAY EVENING
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.
LAT...LON 3232 8797 3231 8796 3230 8799 3228 8801
3220 8800 3218 8829 3223 8832 3230 8832
3231 8829 3232 8808
TIME...MOT...LOC 0028Z 265DEG 48KT 3225 8822
$$738
WWUS54 KMOB 280038
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
738 PM CDT WED APR 27 2011
ALC023-280100-
/O.CON.KMOB.TO.W.0086.000000T0000Z-110428T0100Z/
CHOCTAW AL-
738 PM CDT WED APR 27 2011
...THIS IS A TORNADO EMERGENCY...
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR
NORTHEASTERN CHOCTAW COUNTY...
AT 727 PM CDT...CHOCTAW COUNTY EMERGENCY MANAGEMENT REPORTED A
TORNADO ON THE GROUND BETWEEN YANTLEY AND CROMWELL. AT 736
PM...DOPPLER WEATHER RADAR SHOWS THE TORNADO WAS NEAR JACHIN...OR
ABOUT 13 MILES NORTH OF BUTLER...MOVING EAST AT 35 MPH.
THE TORNADO WILL BE NEAR...
EDNA AROUND 745 PM CDT...
OAKCHIA...NAHEOLA AND TOMPKINSVILLE AROUND 750 PM CDT...
THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION. IF
YOU ARE IN THE PATH OF THIS TORNADO...TAKE COVER IMMEDIATELY!
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT WEDNESDAY EVENING
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.
LAT...LON 3223 8821 3225 8824 3231 8823 3231 8821
3232 8808 3232 8797 3231 8796 3230 8799
3228 8801 3220 8800
TIME...MOT...LOC 0036Z 257DEG 30KT 3228 8816
$$191
WWUS54 KMOB 280047
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
747 PM CDT WED APR 27 2011
ALC023-280100-
/O.CON.KMOB.TO.W.0086.000000T0000Z-110428T0100Z/
CHOCTAW AL-
747 PM CDT WED APR 27 2011
...THIS IS A TORNADO EMERGENCY...
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR
NORTHEASTERN CHOCTAW COUNTY...
AT 745 PM CDT...DOPPLER WEATHER RADAR SHOWED A TORNADO NEAR
EDNA...OR ABOUT 16 MILES NORTHEAST OF BUTLER...MOVING EAST AT 35 MPH.
THE TORNADO WILL BE NEAR...
OAKCHIA AROUND 750 PM CDT...
THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION. IF
YOU ARE IN THE PATH OF THIS TORNADO...TAKE COVER IMMEDIATELY!
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT WEDNESDAY EVENING
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.
LAT...LON 3232 8797 3231 8796 3230 8799 3228 8801
3220 8800 3218 8829 3223 8832 3230 8832
3231 8829 3232 8808
TIME...MOT...LOC 0045Z 256DEG 30KT 3230 8807
$$888
WWUS54 KMOB 280052
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
752 PM CDT WED APR 27 2011
ALC023-280100-
/O.CON.KMOB.TO.W.0086.000000T0000Z-110428T0100Z/
CHOCTAW AL-
752 PM CDT WED APR 27 2011
...THIS IS A TORNADO EMERGENCY...
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR EXTREME
NORTHEASTERN CHOCTAW COUNTY...
AT 751 PM CDT.... THIS TORNADO WAS NEAR OAKCHIA...OR ABOUT 14 MILES
WEST OF LINDEN...MOVING EAST AT 40 MPH.
THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION. IF
YOU ARE IN THE PATH OF THIS TORNADO...TAKE COVER IMMEDIATELY!
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT WEDNESDAY EVENING
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.
LAT...LON 3227 8801 3227 8809 3232 8808 3232 8797
3231 8796 3230 8799 3228 8801
TIME...MOT...LOC 0051Z 258DEG 34KT 3231 8799
$$883
WWUS54 KMOB 280059
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
759 PM CDT WED APR 27 2011
ALC023-280108-
/O.EXP.KMOB.TO.W.0086.000000T0000Z-110428T0100Z/
CHOCTAW AL-
759 PM CDT WED APR 27 2011
...THE TORNADO WARNING FOR EXTREME NORTHEASTERN CHOCTAW COUNTY WILL
EXPIRE AT 800 PM CDT...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT WEDNESDAY EVENING
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.
LAT...LON 3227 8801 3227 8809 3232 8808 3232 8797
3231 8796 3230 8799 3228 8801
TIME...MOT...LOC 0058Z 256DEG 30KT 3233 8795
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 8:00 PM CDT | Tornado Warning | MOB | Choctaw | 60 min |
| Apr 27, 9:42 PM CDT | Severe Thunderstorm Warning | MOB | Wilcox | 33 min |
| Apr 28, 1:02 AM CDT | Tornado Warning | MOB | Covington | 13 min |
| Apr 28, 3:27 AM CDT | Special Marine Warning | MOB | 48 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.