Alert archive / Alabama / Tornado Warnings in 2010

Tornado Warning 36, NWS Mobile, AL

November 30, 2010Washington County, Alabama; Greene County, Mississippi

NWS Mobile, AL issued this tornado warning at Nov 30, 2010, 5:24 AM CST for Washington County, Alabama; Greene County, Mississippi. It was in force for 36 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
Nov 30, 2010, 5:24 AM CST (11:24 UTC)
Expired
Nov 30, 2010, 6:00 AM CST
In force
36 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

Counties Washington County, AL, Greene County, MS

The radar

The Mobile radar (KMOB), 71 km from the middle of the area, began a volume at 11:25 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
Nov 30, 3:49 AM CSTTornado WatchSPC8 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 11.4 hours before the alert went out and 167 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 00:00Z on 2010-11-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1093 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 00:00Z on 2010-11-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 212 square meters per square second.1939587897Sfc1 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
1093 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
545 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
212 m²/s²
0-3 km storm-relative helicity
236 m²/s²
Significant tornado parameter
1.3
Supercell composite
5.2

Open this sounding in Storm Lab

The text

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

209 
WFUS54 KMOB 301124
TORMOB
ALC129-MSC041-301200-
/O.NEW.KMOB.TO.W.0036.101130T1124Z-101130T1200Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
524 AM CST TUE NOV 30 2010

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN GREENE COUNTY IN SOUTHEAST MISSISSIPPI...
  THIS INCLUDES THE CITY OF LEAKESVILLE...
  SOUTHWESTERN WASHINGTON COUNTY IN SOUTHWEST ALABAMA...

* UNTIL 600 AM CST

* AT 521 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES
  SOUTHWEST OF LEAKESVILLE...OR 12 MILES EAST OF MCLAIN...MOVING
  NORTHEAST AT 40 MPH.

* THE TORNADO WILL BE NEAR...
  LEAKESVILLE AROUND 530 AM CST...

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 1100 AM CST TUESDAY MORNING
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.

&&

LAT...LON 3149 8838 3134 8818 3101 8856 3112 8871
TIME...MOT...LOC 1124Z 221DEG 36KT 3111 8859

$$
2 follow-up statements
071 
WWUS54 KMOB 301141
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
541 AM CST TUE NOV 30 2010

ALC129-MSC041-301200-
/O.CON.KMOB.TO.W.0036.000000T0000Z-101130T1200Z/
WASHINGTON AL-GREENE MS-
541 AM CST TUE NOV 30 2010

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 AM CST FOR EAST
CENTRAL GREENE AND SOUTHWESTERN WASHINGTON COUNTIES...

AT 539 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
TORNADO WAS NEAR ROUNSAVILLE...OR ABOUT 7 MILES NORTHEAST OF
LEAKESVILLE...MOVING NORTHEAST AT 40 MPH.

THE TORNADO WILL BE NEAR...
  ESCATAWPA...FOUR POINT...FRUITDALE AND VINEGAR BEND AROUND 550 AM
  CST...
  YELLOW PINE AROUND 555 AM CST...
  TIBBIE AROUND 600 AM CST...

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 1100 AM CST TUESDAY MORNING
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.

LAT...LON 3116 8846 3124 8855 3149 8838 3134 8818
TIME...MOT...LOC 1141Z 221DEG 36KT 3124 8846

$$
043 
WWUS54 KMOB 301153
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
553 AM CST TUE NOV 30 2010

MSC041-301202-
/O.CAN.KMOB.TO.W.0036.000000T0000Z-101130T1200Z/
GREENE MS-
553 AM CST TUE NOV 30 2010

...THE TORNADO WARNING FOR EAST CENTRAL GREENE COUNTY IS CANCELLED...

AT 549 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT THE STORM THAT PROMPTED THE WARNING HAS MOVED NORTHEAST OUT OF 
GREENE COUNTY...THUS THE TORNADO WARNING HAS BEEN CANCELLED FOR 
GREENE COUNTY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 AM CST TUESDAY MORNING
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.

LAT...LON 3124 8841 3132 8844 3147 8835 3134 8818
TIME...MOT...LOC 1152Z 221DEG 36KT 3132 8837

$$

ALC129-301200-
/O.CON.KMOB.TO.W.0036.000000T0000Z-101130T1200Z/
WASHINGTON AL-
553 AM CST TUE NOV 30 2010

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 AM CST FOR WEST
CENTRAL WASHINGTON COUNTY...

AT 549 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
TORNADO WAS NEAR ESCATAWPA...OR ABOUT 14 MILES NORTHEAST OF
LEAKESVILLE...MOVING NORTHEAST AT 40 MPH.

THE TORNADO WILL BE NEAR...
  TIBBIE AROUND 600 AM CST...

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 1100 AM CST TUESDAY MORNING
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.

LAT...LON 3124 8841 3132 8844 3147 8835 3134 8818
TIME...MOT...LOC 1152Z 221DEG 36KT 3132 8837

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 30, 4:03 AM CSTTornado WarningMOBClarke, Washington42 min
Nov 30, 4:40 AM CSTTornado WarningMOBClarke24 min
Nov 30, 5:27 AM CSTTornado WarningMOBWashington24 min
Nov 30, 6:00 AM CSTTornado WarningMOBWashington30 min
Nov 30, 6:04 AM CSTSevere Thunderstorm WarningMOBClarke, Washington26 min
Nov 30, 6:24 AM CSTTornado WarningMOBClarke, Washington36 min
Nov 30, 6:29 AM CSTSevere Thunderstorm WarningMOBClarke, Wilcox31 min
Nov 30, 6:53 AM CSTTornado WarningMOBClarke, Wilcox37 min
Nov 30, 7:28 AM CSTSevere Thunderstorm WarningMOBWilcox32 min
Nov 30, 7:30 AM CSTTornado WarningMOBClarke, Washington30 min
Nov 30, 7:35 AM CSTSevere Thunderstorm WarningMOBWashington40 min
Nov 30, 7:57 AM CSTTornado WarningMOBClarke, Wilcox33 min
Nov 30, 9:10 AM CSTTornado WarningMOBWilcox13 min
Nov 30, 9:46 AM CSTSpecial Marine WarningMOB89 min
Nov 30, 10:59 AM CSTSevere Thunderstorm WarningMOBCovington18 min
Nov 30, 11:53 AM CSTSpecial Marine WarningMOB112 min
Nov 30, 11:54 AM CSTSevere Thunderstorm WarningMOBCovington22 min
Nov 30, 1:01 PM CSTSmall Craft AdvisoryMOB20 hr
Nov 30, 1:03 PM CSTSpecial Marine WarningMOB117 min
Nov 30, 1:25 PM CSTSpecial Marine WarningMOB95 min

Nearby

Tornado Warnings in Alabama, 2010Tornado Warnings in Mississippi, 2010Every tornado warning in 2010Tornadoes in 2010

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.