Alert archive / Mississippi / Tornado Warnings in 2011

Tornado Warning 4, NWS Mobile, AL

March 9, 2011Wayne County, Mississippi

NWS Mobile, AL issued this tornado warning at Mar 9, 2011, 5:01 AM CST for Wayne County, Mississippi. It was in force for 44 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: Mar 9, 2011, 5:01 AM CST (11:01 UTC)
Expired: Mar 9, 2011, 5:45 AM CST
In force: 44 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon

County Wayne County, MS

The radar

The Mobile radar (KMOB), 126 km from the middle of the area, began a volume at 11:05 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
Mar 9, 2:39 AM CST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 11.0 hours before the alert went out and 146 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 600 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 542 m²/s²
0-3 km storm-relative helicity: 664 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

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

904 
WFUS54 KMOB 091101
TORMOB
MSC153-091145-
/O.NEW.KMOB.TO.W.0004.110309T1101Z-110309T1145Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
501 AM CST WED MAR 9 2011

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  WAYNE COUNTY IN SOUTHEAST MISSISSIPPI...
  THIS INCLUDES THE CITY OF WAYNESBORO...

* UNTIL 545 AM CST

* AT 500 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 13 MILES
  SOUTHEAST OF LAUREL...OR 15 MILES SOUTH OF SANDERSVILLE...MOVING
  NORTHEAST AT 45 MPH.

* THE TORNADO WILL BE NEAR...
  WAYNESBORO AROUND 525 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 800 AM CST WEDNESDAY MORNING
FOR SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI.

&&

LAT...LON 3172 8893 3184 8875 3185 8863 3189 8850
      3189 8847 3174 8847 3158 8859 3150 8893
TIME...MOT...LOC 1102Z 235DEG 39KT 3160 8895

$$

4 follow-up statements

839 
WWUS54 KMOB 091113
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
513 AM CST WED MAR 9 2011

MSC153-091145-
/O.CON.KMOB.TO.W.0004.000000T0000Z-110309T1145Z/
WAYNE MS-
513 AM CST WED MAR 9 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 AM CST FOR NORTHERN
WAYNE COUNTY...

AT 509 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
TORNADO WAS NEAR WHISTLER...OR ABOUT 12 MILES WEST OF WAYNESBORO...
MOVING NORTHEAST AT 60 MPH.

THE TORNADO WILL BE NEAR...
  WHISTLER AROUND 517 AM CST...
  BOICE AND HIWANNEE AROUND 520 AM CST...
  GRETNA AROUND 525 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.

HEAVY RAINFALL MAY BE OBSCURING THIS TORNADO. TAKE COVER NOW! IF YOU
WAIT TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE
PLACE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM CST WEDNESDAY MORNING
FOR SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI.

LAT...LON 3158 8892 3168 8890 3184 8875 3185 8863
      3189 8850 3189 8847 3174 8847 3158 8859
TIME...MOT...LOC 1112Z 232DEG 68KT 3169 8879

$$

910 
WWUS54 KMOB 091121
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
521 AM CST WED MAR 9 2011

MSC153-091145-
/O.CON.KMOB.TO.W.0004.000000T0000Z-110309T1145Z/
WAYNE MS-
521 AM CST WED MAR 9 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 AM CST FOR
NORTHEASTERN WAYNE COUNTY...

AT 518 AM CST.... THIS TORNADO WAS NEAR WOODWARDS...OR ABOUT NEAR 
WAYNESBORO...MOVING NORTHEAST AT 60 MPH.

THE TORNADO WILL BE NEAR...
  GRETNA AROUND 530 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.

HEAVY RAINFALL MAY BE OBSCURING THIS TORNADO. TAKE COVER NOW! IF YOU
WAIT TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE
PLACE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM CST WEDNESDAY MORNING
FOR SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI.

LAT...LON 3163 8856 3164 8877 3170 8879 3179 8873
      3185 8863 3189 8850 3189 8847 3174 8847
TIME...MOT...LOC 1121Z 249DEG 53KT 3170 8866

$$

052 
WWUS54 KMOB 091127
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
527 AM CST WED MAR 9 2011

MSC153-091145-
/O.CON.KMOB.TO.W.0004.000000T0000Z-110309T1145Z/
WAYNE MS-
527 AM CST WED MAR 9 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 AM CST FOR
NORTHEASTERN WAYNE COUNTY...

AT 523 AM CST.... THIS TORNADO WAS NEAR WOODWARDS...OR ABOUT NEAR
WAYNESBORO...MOVING NORTHEAST AT 55 MPH.

THE TORNADO WILL BE NEAR...
  GRETNA AROUND 535 AM CST...

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.

HEAVY RAINFALL MAY BE OBSCURING THIS TORNADO. TAKE COVER NOW! IF YOU
WAIT TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE
PLACE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM CST WEDNESDAY MORNING
FOR SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI.

LAT...LON 3167 8853 3166 8869 3172 8874 3178 8869
      3184 8861 3189 8850 3189 8847 3174 8847
TIME...MOT...LOC 1126Z 246DEG 48KT 3173 8860

$$

807 
WWUS54 KMOB 091143
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
543 AM CST WED MAR 9 2011

MSC153-091152-
/O.EXP.KMOB.TO.W.0004.000000T0000Z-110309T1145Z/
WAYNE MS-
543 AM CST WED MAR 9 2011

...THE TORNADO WARNING FOR NORTHEASTERN WAYNE COUNTY WILL EXPIRE AT
545 AM CST...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM CST WEDNESDAY MORNING
FOR SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI.

LAT...LON 3167 8853 3166 8869 3172 8874 3178 8869
      3184 8861 3189 8850 3189 8847 3174 8847
TIME...MOT...LOC 1142Z 180DEG 0KT 3171 8864

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 8, 7:01 PM CST	Severe Thunderstorm Warning	MOB	Greene, Perry	44 min
Mar 8, 7:47 PM CST	Severe Thunderstorm Warning	MOB	Greene, Perry, Wayne	43 min
Mar 8, 8:23 PM CST	Severe Thunderstorm Warning	MOB	Greene, Wayne	37 min
Mar 8, 9:32 PM CST	River Flood Warning	MOB	George, Greene, Perry	9 days
Mar 8, 9:32 PM CST	River Flood Warning	MOB	George, Greene, Jackson	10 days
Mar 9, 5:07 AM CST	Flash Flood Warning	MOB	Wayne	6 hr
Mar 9, 5:51 AM CST	Flash Flood Warning	MOB	Greene, Perry, Wayne	6 hr
Mar 9, 6:00 AM CST	Tornado Warning	MOB	Greene, Perry	45 min
Mar 9, 6:04 AM CST	Tornado Warning	MOB	Perry, Stone	41 min
Mar 9, 6:37 AM CST	Tornado Warning	MOB	Greene	17 min
Mar 9, 6:38 AM CST	Tornado Warning	MOB	George, Greene, Perry, Stone	37 min
Mar 9, 6:41 AM CST	Severe Thunderstorm Warning	MOB	George, Stone	49 min
Mar 9, 7:08 AM CST	Severe Thunderstorm Warning	MOB	George, Greene	52 min
Mar 9, 7:26 AM CST	Flash Flood Warning	MOB	George, Greene, Perry, Stone	6 hr
Mar 9, 11:00 AM CST	Areal Flood Warning	MOB	Wayne	5 hr
Mar 9, 11:30 AM CST	River Flood Warning	MOB	Greene, Wayne	47 hr
Mar 9, 11:30 AM CST	River Flood Warning	MOB	Perry	6 days
Mar 9, 12:00 PM CST	Areal Flood Warning	MOB	Greene, Perry, Wayne	4 hr

Nearby

Tornado Warnings in Mississippi, 2011 Every tornado warning in 2011 Tornadoes 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.