Alert archive / Mississippi / Tornado Warnings in 2011

Tornado Warning 66, NWS New Orleans, LA

May 26, 2011Pearl River County, Mississippi; Saint Tammany Parish, Louisiana

NWS New Orleans, LA issued this tornado warning at May 26, 2011, 4:59 PM CDT for Pearl River County, Mississippi; Saint Tammany Parish, Louisiana. It was in force for 15 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: May 26, 2011, 4:59 PM CDT (21:59 UTC)
Expired: May 26, 2011, 5:14 PM CDT
In force: 15 min
Issued by: NWS New Orleans, LA
Area: Storm-based polygon

Counties Saint Tammany Parish, LA, Pearl River County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 10.0 hours before the alert went out and 36 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: 3259 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 464 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 130 m²/s²
0-3 km storm-relative helicity: 133 m²/s²
Significant tornado parameter: 2.0
Supercell composite: 12.8

Open this sounding in Storm Lab

The text

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

849 
WFUS54 KLIX 262159
TORLIX
LAC103-MSC109-262230-
/O.NEW.KLIX.TO.W.0066.110526T2159Z-110526T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
459 PM CDT THU MAY 26 2011

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL ST. TAMMANY PARISH IN SOUTHEAST LOUISIANA...
  SOUTHWESTERN PEARL RIVER COUNTY IN SOUTHERN MISSISSIPPI...
  THIS INCLUDES THE CITY OF PICAYUNE...

* UNTIL 530 PM CDT

* AT 456 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR BUSH...OR
  13 MILES SOUTH OF BOGALUSA...MOVING EAST AT 30 MPH.

* THE TORNADO WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF THE
  INDICATED COUNTY AND PARISH.

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.

&&

LAT...LON 3061 8954 3042 8974 3054 9002 3066 8994
TIME...MOT...LOC 2159Z 292DEG 25KT 3059 8988

$$

1 follow-up statement

227 
WWUS54 KLIX 262214
SVSLIX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
514 PM CDT THU MAY 26 2011

LAC103-MSC109-262223-
/O.CAN.KLIX.TO.W.0066.000000T0000Z-110526T2230Z/
PEARL RIVER MS-ST. TAMMANY LA-
514 PM CDT THU MAY 26 2011

...THE TORNADO WARNING FOR SOUTHWESTERN PEARL RIVER COUNTY...AND
CENTRAL ST. TAMMANY PARISH IS CANCELLED...

THE STORM THAT PROMPTED THE WARNING HAS WEAKENED SIGNIFICANTLY AND 
NO LONGER APPEARS TO BE SEVERE. THEREFORE THE WARNING HAS BEEN 
CANCELLED. 

LAT...LON 3061 8954 3042 8974 3054 9002 3066 8994
TIME...MOT...LOC 2213Z 292DEG 25KT 3055 8978

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 26, 1:35 AM CDT	Severe Thunderstorm Warning	LIX	Amite, Wilkinson	55 min
May 26, 10:22 AM CDT	Severe Thunderstorm Warning	LIX	Jackson	23 min
May 26, 11:45 AM CDT	Severe Thunderstorm Warning	LIX	Pearl River	49 min
May 26, 11:57 AM CDT	Severe Thunderstorm Warning	LIX	Hancock, Harrison	33 min
May 26, 12:00 PM CDT	Severe Thunderstorm Warning	LIX	Harrison, Jackson	30 min
May 26, 12:10 PM CDT	Severe Thunderstorm Warning	LIX	Jackson	56 min
May 26, 1:39 PM CDT	Severe Thunderstorm Warning	LIX	Pearl River	25 min
May 26, 1:42 PM CDT	Severe Thunderstorm Warning	LIX	Jackson	48 min
May 26, 2:22 PM CDT	Tornado Warning	LIX	Jackson	23 min
May 26, 2:45 PM CDT	Tornado Warning	LIX	Jackson	30 min
May 26, 3:10 PM CDT	Tornado Warning	LIX	Jackson	34 min
May 26, 3:27 PM CDT	Areal Flood Advisory	LIX	Jackson	108 min
May 26, 3:34 PM CDT	Areal Flood Advisory	LIX	Jackson	116 min
May 26, 4:02 PM CDT	Severe Thunderstorm Warning	LIX	Pearl River	58 min
May 26, 4:18 PM CDT	Severe Thunderstorm Warning	LIX	Pearl River	57 min
May 26, 4:27 PM CDT	Tornado Warning	LIX	Saint Tammany	33 min
May 26, 5:35 PM CDT	Severe Thunderstorm Warning	LIX	Saint Tammany	25 min
May 26, 5:39 PM CDT	Tornado Warning	LIX	Saint Tammany	36 min
May 26, 5:55 PM CDT	Special Marine Warning	LIX		35 min
May 26, 6:10 PM CDT	Special Marine Warning	LIX		35 min
May 26, 6:16 PM CDT	Severe Thunderstorm Warning	LIX	Orleans, Saint Tammany	29 min
May 26, 6:33 PM CDT	Special Marine Warning	LIX		42 min
May 26, 6:58 PM CDT	Severe Thunderstorm Warning	LIX	Orleans, Saint Bernard	32 min

Nearby

Tornado Warnings in Mississippi, 2011 Tornado Warnings in Louisiana, 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.