Alert archive / Mississippi / Tornado Warnings in 2011
Tornado Warning 72, NWS Mobile, AL
NWS Mobile, AL issued this tornado warning at Apr 15, 2011, 8:28 PM CDT for Greene County, Mississippi; Washington County, Alabama. It was in force for 47 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, 8:28 PM CDT (01:28 UTC)
- Expired
- Apr 15, 2011, 9:15 PM CDT
- In force
- 47 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Washington County, AL, Greene County, MS
The radar
The Mobile radar (KMOB), 62 km from the middle of the area, began a volume at 01:30 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.
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
Slidell Radar S, LA (KSIL), launched 00:00Z, 1.5 hours before the alert went out and 149 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
- 2774 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 697 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 267 m²/s²
- 0-3 km storm-relative helicity
- 318 m²/s²
- Significant tornado parameter
- 5.3
- Supercell composite
- 18.2
The text
As transmitted, in the capitals the NWS used until 2016.
804
WFUS54 KMOB 160128
TORMOB
ALC129-MSC041-160215-
/O.NEW.KMOB.TO.W.0072.110416T0128Z-110416T0215Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
828 PM CDT FRI APR 15 2011
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHERN GREENE COUNTY IN SOUTHEAST MISSISSIPPI...
THIS INCLUDES THE CITY OF LEAKESVILLE...
SOUTHWESTERN WASHINGTON COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 915 PM CDT
* AT 826 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 13 MILES WEST OF
LEAKESVILLE...OR NEAR MCLAIN...MOVING NORTHEAST AT 35 MPH.
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 AND SOUTHEAST
MISSISSIPPI.
&&
LAT...LON 3117 8882 3143 8830 3113 8833 3112 8843
3111 8844 3102 8881
TIME...MOT...LOC 0128Z 246DEG 29KT 3112 8876
$$1 follow-up statement
861
WWUS54 KMOB 160156
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
856 PM CDT FRI APR 15 2011
ALC129-MSC041-160215-
/O.CON.KMOB.TO.W.0072.000000T0000Z-110416T0215Z/
WASHINGTON AL-GREENE MS-
856 PM CDT FRI APR 15 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR SOUTHERN
GREENE AND SOUTHWESTERN WASHINGTON COUNTIES...
AT 853 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS
TORNADO WAS NEAR DUEITT...OR JUST NORTHEAST OF LEAKESVILLE...MOVING
NORTHEAST AT 35 MPH.
THE SAFEST PLACE TO BE DURING A TORNADO IS ON THE LOWEST FLOOR OF A
STURDY BUILDING...PREFERABLY IN AN INTERIOR HALLWAY OR A ROOM SUCH AS
A CLOSET OR BATHROOM. IF POSSIBLE...GET UNDER A WORKBENCH OR OTHER
PIECE OF STURDY FURNITURE. USE BLANKETS OR PILLOWS TO COVER YOUR BODY
AND ALWAYS STAY AWAY FROM WINDOWS.
IF YOU ARE IN MOBILE HOME...EVACUATE IT AND GET ON THE LOWEST FLOOR
OF A NEARBY STURDY BUILDING OR IN AN UNDERGROUND STORM SHELTER. IF NO
SUBSTANTIAL SHELTER IS AVAILABLE AND A TORNADO IS FAST APPROACHING...
SEEK SHELTER IN A CULVERT...OR LIE FLAT IN THE NEAREST DITCH OR OTHER
LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CDT SATURDAY MORNING
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.
LAT...LON 3117 8882 3143 8830 3113 8833 3112 8843
3111 8844 3102 8881
TIME...MOT...LOC 0156Z 246DEG 29KT 3122 8850
$$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 | Greene | 36 min |
| Apr 15, 7:24 PM CDT | Tornado Warning | MOB | Greene, Perry | 51 min |
| Apr 15, 7:53 PM CDT | Tornado Warning | MOB | Greene, Perry | 37 min |
| Apr 15, 8:36 PM CDT | Tornado Warning | MOB | Greene, Perry | 54 min |
| Apr 15, 8:42 PM CDT | Tornado Warning | MOB | George, Greene, Perry | 63 min |
| Apr 15, 9:15 PM CDT | Severe Thunderstorm Warning | MOB | George, Greene, Perry, Stone | 45 min |
| Apr 15, 9:18 PM CDT | Flash Flood Warning | MOB | Greene, Perry | 117 min |
| Apr 15, 9:59 PM CDT | Severe Thunderstorm Warning | MOB | George, Greene | 61 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, 8:50 PM CDT | Tornado Warning | MOB | Baldwin, Clarke, Escambia, Mobile, Monroe, Washington | 55 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, 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, 12:38 AM CDT | Tornado Warning | MOB | Covington | 52 min |
| Apr 16, 1:01 AM CDT | Severe Thunderstorm Warning | MOB | Covington | 33 min |
Nearby
Tornado Warnings in Mississippi, 2011Tornado 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; radar from the NEXRAD Level II archive.