Alert archive / Mississippi / Tornado Warnings in 2011
Tornado Warning 73, NWS Mobile, AL
NWS Mobile, AL issued this tornado warning at Apr 15, 2011, 8:36 PM CDT for Greene County, Perry County, Mississippi. It was in force for 54 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, 8:36 PM CDT (01:36 UTC)
- Expired
- Apr 15, 2011, 9:30 PM CDT
- In force
- 54 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Greene County, MS, Perry County, MS
The radar
The Mobile radar (KMOB), 70 km from the middle of the area, began a volume at 01:39 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, 1.6 hours before the alert went out and 135 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.
538
WFUS54 KMOB 160136
TORMOB
MSC041-111-160230-
/O.NEW.KMOB.TO.W.0073.110416T0136Z-110416T0230Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
836 PM CDT FRI APR 15 2011
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* TORNADO WARNING FOR...
GREENE COUNTY IN SOUTHEAST MISSISSIPPI...
THIS INCLUDES THE CITY OF LEAKESVILLE...
CENTRAL PERRY COUNTY IN SOUTHEAST MISSISSIPPI...
* UNTIL 930 PM CDT
* AT 835 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 18 MILES
NORTHEAST OF WIGGINS...OR 7 MILES SOUTHWEST OF BEAUMONT...MOVING
EAST AT 35 MPH. THIS IS YET ANOTHER THUNDERSTORM CAPABLE OF
PRODUCING A TORNADO.
* THE TORNADO WILL BE NEAR...
BEAUMONT AROUND 845 PM CDT...
MCLAIN AROUND 850 PM CDT...
LEAKESVILLE AROUND 920 PM CDT...
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 3134 8853 3112 8844 3103 8869 3099 8892
3102 8904 3113 8905
TIME...MOT...LOC 0136Z 249DEG 31KT 3109 8897
$$1 follow-up statement
249
WWUS54 KMOB 160220
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
920 PM CDT FRI APR 15 2011
MSC041-111-160230-
/O.CON.KMOB.TO.W.0073.000000T0000Z-110416T0230Z/
PERRY MS-GREENE MS-
920 PM CDT FRI APR 15 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM CDT FOR SOUTHERN
GREENE AND EAST CENTRAL PERRY COUNTIES...
AT 917 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS
TORNADO WAS NEAR OAK GROVE...OR ABOUT 16 MILES NORTHEAST OF
WIGGINS...MOVING EAST AT 50 MPH.
THE TORNADO WILL BE NEAR...
PROGRESS...MCLAIN AND LITTLE CREEK AROUND 925 PM CDT...
ROYCE...LEAF AND NEELY AROUND 930 PM CDT...
THE SAFEST PLACE TO BE DURING A TORNADO IS ON THE LOWEST FLOOR OF A
STURDY BUILDING...PREFERABLY IN AN INTERIOR HALLWAY OR A ROOM SUCH AS
A CLOSET OR BATHROOM. IF POSSIBLE...GET UNDER A WORKBENCH OR OTHER
PIECE OF STURDY FURNITURE. USE BLANKETS OR PILLOWS TO COVER YOUR BODY
AND ALWAYS STAY AWAY FROM WINDOWS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CDT SATURDAY MORNING
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.
LAT...LON 3111 8899 3127 8850 3112 8844 3103 8869
3099 8892 3101 8901
TIME...MOT...LOC 0220Z 264DEG 45KT 3104 8892
$$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, 8:28 PM CDT | Tornado Warning | MOB | Greene | 47 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 |
Nearby
Tornado Warnings in Mississippi, 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.