Alert archive / Mississippi / Tornado Warnings in 2012

Tornado Warning 55, NWS Memphis, TN

September 2, 2012Itawamba County, Monroe County, Mississippi

NWS Memphis, TN issued this tornado warning at Sep 2, 2012, 7:01 PM CDT for Itawamba County, Monroe 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
Sep 2, 2012, 7:01 PM CDT (00:01 UTC)
Expired
Sep 2, 2012, 7:45 PM CDT
In force
44 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon

Counties Itawamba County, MS, Monroe County, MS

The radar

The Columbus AFB radar (KGWX), 32 km from the middle of the area, began a volume at 00:05 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.

IssuedProductOfficeLasted
Sep 2, 3:42 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 0.0 hours before the alert went out and 170 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, Little Rock, AR at 00:00Z on 2012-09-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2460 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 00:00Z on 2012-09-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 80 square meters per square second.1939Sfc1 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
2460 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
1418 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
80 m²/s²
0-3 km storm-relative helicity
169 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.2

Open this sounding in Storm Lab

The text

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

028 
WFUS54 KMEG 030001
TORMEG
MSC057-095-030045-
/O.NEW.KMEG.TO.W.0055.120903T0001Z-120903T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
701 PM CDT SUN SEP 2 2012

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN ITAWAMBA COUNTY IN NORTHEAST MISSISSIPPI...
  EXTREME NORTHEASTERN MONROE COUNTY IN NORTHEAST MISSISSIPPI...

* UNTIL 745 PM CDT

* AT 702 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM PRODUCING A TORNADO NEAR FULTON...MOVING
  SOUTHEAST AT 20 MPH.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO FULTON...
  NEW SALEM AND TREMONT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

.IN ADDITION TO THE TORNADO...THIS STORM WILL PRODUCE DESTRUCTIVE 
STRAIGHT LINE WINDS.

.THE SAFEST PLACE TO BE DURING A TORNADO IS IN A STORM SHELTER. IF NO
STORM SHELTER 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.

&&

LAT...LON 3425 8818 3405 8820 3404 8821 3404 8822
      3419 8855 3436 8846 3427 8817
TIME...MOT...LOC 0002Z 295DEG 16KT 3423 8839

$$
3 follow-up statements
718 
WWUS54 KMEG 030012
SVSMEG

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
712 PM CDT SUN SEP 2 2012

MSC057-095-030045-
/O.CON.KMEG.TO.W.0055.000000T0000Z-120903T0045Z/
MONROE MS-ITAWAMBA MS-
712 PM CDT SUN SEP 2 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR SOUTHERN
ITAWAMBA AND EXTREME NORTHEASTERN MONROE COUNTIES...

AT 712 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR TILDEN...OR NEAR
FULTON...MOVING SOUTHEAST AT 15 MPH.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO FULTON...NEW
SALEM...TREMONT...JACINTO...TILDEN...ABNEY...CARDSVILLE...TURON...
CADAMY AND CLAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
DESTRUCTIVE STRAIGHT LINE WINDS.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A STORM SHELTER. IF NO
STORM SHELTER 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 ALSO REMAINS IN EFFECT FOR THE ALERT AREA.

&&

LAT...LON 3420 8850 3430 8847 3434 8839 3427 8817
      3425 8818 3405 8820 3404 8821 3404 8822
TIME...MOT...LOC 0012Z 295DEG 15KT 3421 8835

$$
570 
WWUS54 KMEG 030026
SVSMEG

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
726 PM CDT SUN SEP 2 2012

MSC057-095-030045-
/O.CON.KMEG.TO.W.0055.000000T0000Z-120903T0045Z/
MONROE MS-ITAWAMBA MS-
726 PM CDT SUN SEP 2 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR
SOUTHEASTERN ITAWAMBA AND EXTREME NORTHEASTERN MONROE COUNTIES...

AT 726 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR CADAMY...OR 8
MILES SOUTHEAST OF FULTON...MOVING SOUTHEAST AT 20 MPH.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO NEW SALEM...
TREMONT...JACINTO...TILDEN...CARDSVILLE...TURON...CADAMY AND CLAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
DESTRUCTIVE STRAIGHT LINE WINDS.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A STORM SHELTER. IF NO
STORM SHELTER 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 ALSO REMAINS IN EFFECT FOR THE ALERT AREA.

&&

LAT...LON 3416 8843 3425 8840 3432 8835 3427 8817
      3425 8818 3405 8820 3404 8821 3404 8822
TIME...MOT...LOC 0026Z 293DEG 18KT 3419 8827

$$
111 
WWUS54 KMEG 030044
SVSMEG

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
744 PM CDT SUN SEP 2 2012

MSC057-095-030054-
/O.EXP.KMEG.TO.W.0055.000000T0000Z-120903T0045Z/
MONROE MS-ITAWAMBA MS-
744 PM CDT SUN SEP 2 2012

...THE TORNADO WARNING FOR SOUTHEASTERN ITAWAMBA AND EXTREME
NORTHEASTERN MONROE COUNTIES WILL EXPIRE AT 745 PM CDT...

AT 744 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA.
THEREFORE...THE TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE.

LAT...LON 3416 8843 3425 8840 3432 8835 3427 8817
      3425 8818 3405 8820 3404 8821 3404 8822
TIME...MOT...LOC 0044Z 293DEG 18KT 3415 8817

$$

The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 2, 7:10 PM CDTFlash Flood WarningMEGItawamba, Lee3 hr
Sep 2, 7:30 PM CDTSpecial Weather StatementMEGTippah45 min
Sep 2, 7:33 PM CDTSpecial Weather StatementMEGItawamba27 min
Sep 2, 7:33 PM CDTSevere Thunderstorm WarningMEGBenton, Marshall42 min
Sep 2, 7:37 PM CDTSevere Thunderstorm WarningMEGDeSoto, Marshall53 min
Sep 2, 7:51 PM CDTTornado WarningMEGDeSoto, Marshall, Tate24 min
Sep 2, 7:54 PM CDTTornado WarningMEGItawamba, Monroe51 min
Sep 2, 7:55 PM CDTFlash Flood WarningMEGDeSoto, Marshall3 hr
Sep 2, 8:08 PM CDTTornado WarningMEGLee, Prentiss, Tippah, Union37 min
Sep 2, 8:34 PM CDTSevere Thunderstorm WarningMEGItawamba, Lee, Pontotoc, Prentiss, Tippah, Union26 min
Sep 2, 8:36 PM CDTSevere Thunderstorm WarningMEGMarshall39 min
Sep 2, 8:49 PM CDTSpecial Weather StatementMEGPontotoc, Union41 min
Sep 2, 8:56 PM CDTSevere Thunderstorm WarningMEGChickasaw, Itawamba, Lee, Monroe, Pontotoc, Prentiss and 1 more49 min
Sep 2, 9:06 PM CDTSevere Thunderstorm WarningMEGLee, Pontotoc, Union39 min
Sep 2, 9:23 PM CDTFlash Flood WarningMEGBenton, Lafayette, Lee, Marshall, Pontotoc, Tippah and 1 more3 hr
Sep 2, 9:24 PM CDTFlash Flood WarningMEGItawamba, Lee, Prentiss, Tishomingo2 hr
Sep 2, 9:28 PM CDTSevere Thunderstorm WarningMEGChickasaw, Itawamba, Lee, Monroe, Pontotoc, Union47 min
Sep 2, 9:38 PM CDTSpecial Weather StatementMEGItawamba52 min
Sep 2, 9:47 PM CDTSpecial Weather StatementMEGLafayette43 min
Sep 2, 10:08 PM CDTAreal Flood AdvisoryMEGLafayette, Marshall, Tate97 min
Sep 2, 10:08 PM CDTSpecial Weather StatementMEGChickasaw, Monroe, Pontotoc52 min
Sep 2, 10:27 PM CDTSpecial Weather StatementMEGLafayette, Pontotoc48 min
Sep 2, 10:43 PM CDTFlash Flood WarningMEGCalhoun, Chickasaw, Lafayette, Lee, Panola, Pontotoc and 1 more4 hr
Sep 2, 11:09 PM CDTSpecial Weather StatementMEGLafayette51 min
Sep 2, 11:53 PM CDTSpecial Weather StatementMEGLafayette, Panola52 min
Sep 3, 12:40 AM CDTSpecial Weather StatementMEGCalhoun, Yalobusha50 min

Nearby

Tornado Warnings in Mississippi, 2012Every tornado warning in 2012Tornadoes in 2012

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.