Alert archive / Mississippi / Tornado Warnings in 2012

Tornado Warning 76, NWS New Orleans, LA

September 30, 2012Wilkinson County, Mississippi; West Feliciana Parish, Louisiana

NWS New Orleans, LA issued this tornado warning at Sep 30, 2012, 1:51 PM CDT for Wilkinson County, Mississippi; West Feliciana Parish, Louisiana. It was in force for 24 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Sep 30, 2012, 1:51 PM CDT (18:51 UTC)
Expired
Sep 30, 2012, 2:15 PM CDT
In force
24 min
Issued by
NWS New Orleans, LA
Area
Storm-based polygon

Counties West Feliciana Parish, LA, Wilkinson County, MS

What was reported inside it

TimeReportWhereRemark
Sep 30, 2:03 PM CDTTSTM WND DMG3 Ese Woodville, MSSEVERAL SMALL PINE TREES UPROOTED AND SNAPPED IN THE JUDY DAHL RD. AREA NORTH OF HIGHWAY 24. SOME TREES WERE CLEARED FROM THE ROADS IN THAT AREA.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 6.9 hours before the alert went out and 164 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, Jackson, MS at 12:00Z on 2012-09-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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, Jackson, MS at 12:00Z on 2012-09-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 127 square meters per square second.193958Sfc1 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
617 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
127 m²/s²
0-3 km storm-relative helicity
288 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

949 
WFUS54 KLIX 301851
TORLIX
LAC125-MSC157-301915-
/O.NEW.KLIX.TO.W.0076.120930T1851Z-120930T1915Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
151 PM CDT SUN SEP 30 2012

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTH CENTRAL WEST FELICIANA PARISH IN SOUTHEAST LOUISIANA...
  EASTERN WILKINSON COUNTY IN SOUTHERN MISSISSIPPI...

* UNTIL 215 PM CDT

* AT 149 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
  WOODVILLE...OR 16 MILES NORTHWEST OF JACKSON...MOVING NORTHEAST AT
  30 MPH.

* THE SEVERE THUNDERSTORM WILL OTHERWISE REMAIN OVER MAINLY RURAL
  AREAS OF THE INDICATED COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS UNDER A WORKBENCH OR OTHER
PIECE OF STURDY FURNITURE. 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.

PLEASE FOLLOW OUR OFFICE ON BOTH FACEBOOK AND TWITTER FOR MORE
INFORMATION ON SEVERE WEATHER AND TO RELAY WEATHER REPORTS AND
PHOTOS.

&&

LAT...LON 3125 9106 3115 9106 3091 9132 3103 9148
      3136 9118 3135 9116
TIME...MOT...LOC 1851Z 221DEG 26KT 3105 9133

$$
2 follow-up statements
645 
WWUS54 KLIX 301858
SVSLIX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
158 PM CDT SUN SEP 30 2012

LAC125-301908-
/O.CAN.KLIX.TO.W.0076.000000T0000Z-120930T1915Z/
WEST FELICIANA LA-
158 PM CDT SUN SEP 30 2012

...THE TORNADO WARNING FOR NORTHEASTERN WEST FELICIANA PARISH IS
CANCELLED...

LAT...LON 3125 9106 3116 9110 3101 9129 3103 9145
      3136 9118 3135 9116
TIME...MOT...LOC 1858Z 215DEG 23KT 3107 9132

$$

MSC157-301915-
/O.CON.KLIX.TO.W.0076.000000T0000Z-120930T1915Z/
WILKINSON MS-
158 PM CDT SUN SEP 30 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 PM CDT FOR EASTERN
WILKINSON COUNTY...

AT 154 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS 
STORM WAS LOCATED 5 MILES SOUTHWEST OF WOODVILLE...OR 17 MILES 
NORTHWEST OF JACKSON...MOVING NORTHEAST AT 25 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  WOODVILLE BY 205 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS UNDER A WORKBENCH OR OTHER
PIECE OF STURDY FURNITURE. 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.

PLEASE FOLLOW OUR OFFICE ON BOTH FACEBOOK AND TWITTER FOR MORE
INFORMATION ON SEVERE WEATHER AND TO RELAY WEATHER REPORTS AND
PHOTOS.

&&

LAT...LON 3125 9106 3116 9110 3101 9129 3103 9145
      3136 9118 3135 9116
TIME...MOT...LOC 1858Z 215DEG 23KT 3107 9132

$$
736 
WWUS54 KLIX 301917
SVSLIX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
217 PM CDT SUN SEP 30 2012

MSC157-301924-
/O.EXP.KLIX.TO.W.0076.000000T0000Z-120930T1915Z/
WILKINSON MS-
217 PM CDT SUN SEP 30 2012

...THE TORNADO WARNING FOR EASTERN WILKINSON COUNTY EXPIRED AT 215 
PM CDT...

AT 214 PM CDT...THE THUNDERSTORM ROTATION THAT PROMPTED THE TORNADO 
WARNING HAD WEAKENED BELOW SEVERE LIMITS.

LAT...LON 3125 9106 3116 9110 3101 9129 3103 9145
      3136 9118 3135 9116
TIME...MOT...LOC 1914Z 215DEG 23KT 3115 9125

$$

22/TD

The office that day

Everything else NWS New Orleans, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 30, 12:17 AM CDTRiver Flood WarningLIXPike, Walthall56 hr
Sep 30, 12:17 AM CDTRiver Flood WarningLIXPearl River43 hr
Sep 30, 12:17 AM CDTRiver Flood WarningLIXPearl River67 hr
Sep 30, 10:32 AM CDTAreal Flood AdvisoryLIXJackson118 min
Sep 30, 2:48 PM CDTTornado WarningLIXHancock, Pearl River27 min
Sep 30, 3:15 PM CDTTornado WarningLIXHancock, Pearl River30 min
Sep 30, 3:26 PM CDTTornado WarningLIXHancock, Harrison22 min
Sep 30, 5:37 PM CDTTornado WarningLIXHancock, Harrison38 min
Sep 29, 7:54 PM CDTAreal Flood AdvisoryLIXSaint Tammany, Washington3 hr
Sep 29, 10:19 PM CDTRiver Flood WarningLIXSaint Tammany45 hr
Sep 29, 11:56 PM CDTRiver Flood WarningLIXSaint Tammany19 hr
Sep 30, 4:18 AM CDTSpecial Marine WarningLIX57 min
Sep 30, 4:36 AM CDTRiver Flood WarningLIXSaint Tammany29 hr
Sep 30, 5:28 AM CDTSpecial Marine WarningLIX92 min
Sep 30, 8:35 AM CDTSpecial Marine WarningLIX55 min
Sep 30, 8:55 AM CDTRiver Flood WarningLIXSaint Tammany4 days
Sep 30, 1:20 PM CDTSpecial Marine WarningLIX55 min
Sep 30, 1:47 PM CDTSpecial Marine WarningLIX28 min
Sep 30, 3:15 PM CDTSpecial Marine WarningLIX60 min
Sep 30, 5:03 PM CDTSpecial Marine WarningLIX57 min
Sep 30, 6:00 PM CDTSpecial Marine WarningLIX45 min
Sep 30, 6:45 PM CDTSpecial Marine WarningLIX60 min
Sep 30, 6:52 PM CDTSpecial Marine WarningLIX38 min

Nearby

Tornado Warnings in Mississippi, 2012Tornado Warnings in Louisiana, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.