Alert archive / Mississippi / Tornado Warnings in 2011

Tornado Warning 92, NWS Mobile, AL

September 3, 2011Mobile County, Alabama; George County, Greene County, Mississippi

NWS Mobile, AL issued this tornado warning at Sep 3, 2011, 2:14 PM CDT for Mobile County, Alabama; George County, Greene County, Mississippi. It was in force for 33 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
Sep 3, 2011, 2:14 PM CDT (19:14 UTC)
Expired
Sep 3, 2011, 2:47 PM CDT
In force
33 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

Counties Mobile County, AL, George County, MS, Greene County, MS

The radar

The Mobile radar (KMOB), 37 km from the middle of the area, began a volume at 19:15 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.

IssuedProductOfficeLasted
Sep 3, 9:41 AM CDTTornado WatchSPC12 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 7.2 hours before the alert went out and 130 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.

Skew-T log-pSkew-T log-p diagram, Slidell Radar S, LA at 12:00Z on 2011-09-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 850 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 12:00Z on 2011-09-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 286 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
850 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
477 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
286 m²/s²
0-3 km storm-relative helicity
260 m²/s²
Significant tornado parameter
1.0
Supercell composite
7.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

422 
WFUS54 KMOB 031914
TORMOB
ALC097-MSC039-041-032000-
/O.NEW.KMOB.TO.W.0092.110903T1914Z-110903T2000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
214 PM CDT SAT SEP 3 2011

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  GEORGE COUNTY IN SOUTHEAST MISSISSIPPI...
  SOUTH CENTRAL GREENE COUNTY IN SOUTHEAST MISSISSIPPI...
  WEST CENTRAL MOBILE COUNTY IN SOUTHWEST ALABAMA...

* UNTIL 300 PM CDT

* AT 214 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 16 MILES WEST OF
  PRICHARD...OR 6 MILES NORTHWEST OF TANNER WILLIAMS...MOVING
  NORTHWEST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  LUCEDALE...

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 MANUFACTURED 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 1000 PM CDT SATURDAY EVENING
FOR SOUTHWEST ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.

&&

LAT...LON 3109 8866 3077 8836 3073 8842 3073 8845
      3086 8878
TIME...MOT...LOC 1914Z 136DEG 29KT 3077 8842

$$
3 follow-up statements
709 
WWUS54 KMOB 031919
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
219 PM CDT SAT SEP 3 2011

ALC097-031930-
/O.CAN.KMOB.TO.W.0092.000000T0000Z-110903T2000Z/
MOBILE AL-
219 PM CDT SAT SEP 3 2011

...THE TORNADO WARNING FOR WEST CENTRAL MOBILE COUNTY IS CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT SATURDAY EVENING
FOR SOUTHWEST ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.

LAT...LON 3081 8842 3074 8842 3074 8846 3086 8878
      3109 8866
TIME...MOT...LOC 1920Z 133DEG 29KT 3080 8846

$$

MSC039-041-032000-
/O.CON.KMOB.TO.W.0092.000000T0000Z-110903T2000Z/
GREENE MS-GEORGE MS-
219 PM CDT SAT SEP 3 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM CDT FOR GEORGE
AND SOUTH CENTRAL GREENE COUNTIES...

AT 220 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR HOWELL...OR 14
MILES SOUTHEAST OF LUCEDALE...MOVING NORTHWEST AT 35 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
AGRICOLA...SHIPMAN...VAUGHN...WARD...EVANSTON...CENTRAL...CROSSROADS
AND BEXLEY

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 1000 PM CDT SATURDAY EVENING
FOR SOUTHWEST ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.

&&

LAT...LON 3081 8842 3074 8842 3074 8846 3086 8878
      3109 8866
TIME...MOT...LOC 1920Z 133DEG 29KT 3080 8846

$$
444 
WWUS54 KMOB 031928
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
228 PM CDT SAT SEP 3 2011

MSC039-041-032000-
/O.CON.KMOB.TO.W.0092.000000T0000Z-110903T2000Z/
GREENE MS-GEORGE MS-
228 PM CDT SAT SEP 3 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM CDT FOR CENTRAL
GEORGE AND SOUTH CENTRAL GREENE COUNTIES...

AT 229 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR AGRICOLA...OR 8
MILES SOUTHEAST OF LUCEDALE...MOVING NORTHWEST AT 40 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
EVANSTON...CENTRAL...CROSSROADS AND BEXLEY

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 1000 PM CDT SATURDAY EVENING
FOR SOUTHWEST ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.

&&

LAT...LON 3085 8849 3082 8850 3079 8853 3086 8878
      3109 8866
TIME...MOT...LOC 1929Z 124DEG 34KT 3085 8856

$$
233 
WWUS54 KMOB 031947
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
247 PM CDT SAT SEP 3 2011

MSC039-041-031957-
/O.CAN.KMOB.TO.W.0092.000000T0000Z-110903T2000Z/
GREENE MS-GEORGE MS-
247 PM CDT SAT SEP 3 2011

...THE TORNADO WARNING FOR CENTRAL GEORGE AND SOUTH CENTRAL GREENE
COUNTIES IS CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT SATURDAY EVENING
FOR SOUTHWEST ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.

LAT...LON 3085 8849 3082 8850 3079 8853 3086 8878
      3109 8866
TIME...MOT...LOC 1947Z 133DEG 29KT 3095 8865

$$

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 2, 10:37 PM CDTTropical Storm WarningMOB47 hr
Sep 3, 1:44 AM CDTSpecial Marine WarningMOB46 min
Sep 3, 2:13 AM CDTSpecial Marine WarningMOB47 min
Sep 3, 3:38 AM CDTSpecial Marine WarningMOB22 min
Sep 3, 4:00 AM CDTSpecial Marine WarningMOB30 min
Sep 3, 4:31 AM CDTSpecial Marine WarningMOB44 min
Sep 3, 9:15 AM CDTRiver Flood WarningMOBBaldwin24 hr
Sep 3, 9:16 AM CDTRiver Flood WarningMOBBaldwin24 hr
Sep 3, 9:19 AM CDTRiver Flood WarningMOBBaldwin24 hr
Sep 3, 10:59 AM CDTSpecial Marine WarningMOB46 min
Sep 3, 12:14 PM CDTSpecial Marine WarningMOB46 min
Sep 3, 12:53 PM CDTTornado WarningMOBMobile22 min
Sep 3, 1:00 PM CDTSpecial Marine WarningMOB21 min
Sep 3, 1:29 PM CDTSpecial Marine WarningMOB61 min
Sep 3, 1:50 PM CDTRiver Flood WarningMOBMobile31 hr
Sep 3, 2:00 PM CDTTornado WarningMOBMobile16 min
Sep 3, 2:19 PM CDTFlash Flood WarningMOBMobile4 hr
Sep 3, 4:10 PM CDTSpecial Marine WarningMOB15 min
Sep 3, 4:53 PM CDTFlash Flood WarningMOBMobile3 hr
Sep 3, 5:00 PM CDTSpecial Marine WarningMOB45 min
Sep 3, 5:33 PM CDTSpecial Marine WarningMOB42 min
Sep 3, 6:06 PM CDTSpecial Marine WarningMOB39 min
Sep 3, 6:09 PM CDTTornado WarningMOBMobile51 min
Sep 3, 9:26 AM CDTRiver Flood WarningMOBGeorge, Greene, Perry4 days
Sep 3, 3:19 PM CDTFlash Flood WarningMOBGeorge, Perry, Stone4 hr

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.