Alert archive / Mississippi / Tornado Warnings in 2005

Tornado Warning 49, NWS New Orleans, LA

April 11, 2005Pearl River County, Mississippi

NWS New Orleans, LA issued this tornado warning at Apr 11, 2005, 8:00 PM CDT for Pearl River County, Mississippi. It was in force for 45 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: Apr 11, 2005, 8:00 PM CDT (01:00 UTC)
Expired: Apr 11, 2005, 8:45 PM CDT
In force: 45 min
Issued by: NWS New Orleans, LA
Area: Counties, with a storm outline in the text

County Pearl River County, MS

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 11, 6:35 PM CDT	Tornado Watch	SPC	4 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 1.0 hours before the alert went out and 52 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: 619 J/kg
Mixed-layer CIN: -68 J/kg
Mixed-layer LCL: 502 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 192 m²/s²
0-3 km storm-relative helicity: 292 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 10.3

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KLIX 120100
TORLIX
MSC109-120145-
/O.NEW.KLIX.TO.W.0049.050412T0100Z-050412T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
800 PM CDT MON APR 11 2005

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
  PEARL RIVER COUNTY IN SOUTHERN MISSISSIPPI

* UNTIL 845 PM CDT

* AT 754 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 21 MILES
  SOUTHWEST OF CROSSROADS...OR ABOUT 10 MILES NORTH OF COVINGTON...
  MOVING EAST AT 40 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  CROSSROADS BY 820 PM CDT
  MCNEIL BY 830 PM CDT

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

SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR
HALLWAY OR ROOM SUCH AS A CLOSET. 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 3067 8954 3061 8981 3065 8979 3067 8984
      3071 8984 3075 8981 3078 8982 3081 8981
      3087 8962

$$

1 follow-up statement

000 
WWUS54 KLIX 120129
SVSLIX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
827 PM CDT MON APR 11 2005

MSC109-120145-
/O.CON.KLIX.TO.W.0049.000000T0000Z-050412T0145Z/
PEARL RIVER MS-
827 PM CDT MON APR 11 2005

...A TORNADO WARNING CONTINUES UNTIL 845 PM CDT FOR PEARL RIVER
COUNTY...

AT 825 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A LINE OF THUNDERSTORMS CAPABLE OF PRODUCING TORNADOES.  
THIS LINE OF SEVERE THUNDERSTORMS WAS LOCATED EXTENDED FROM 5 MILES 
WEST OF POPLARVILLE TO 7 MILES SOUTH OF CROSSROADS MOVING EAST AT 35 
MPH.

TORNADO PRODUCING STORMS WILL BE NEAR...
  MCNEIL BY 840 PM CDT
  POPLARVILLE BY 845 PM CDT

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

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
STURDY 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 3068 8948 3061 8981 3065 8979 3067 8984
      3071 8984 3075 8981 3078 8982 3081 8981
      3090 8951

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 11, 7:13 PM CDT	Severe Thunderstorm Warning	LIX	Walthall	32 min
Apr 11, 8:44 PM CDT	Tornado Warning	LIX	Pearl River	46 min
Apr 11, 10:18 PM CDT	Severe Thunderstorm Warning	LIX	Hancock, Harrison	42 min

Nearby

Tornado Warnings in Mississippi, 2005 Every tornado warning in 2005 Tornadoes in 2005

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.