Alert archive / Mississippi / Tornado Warnings in 2011

Tornado Warning 15, NWS New Orleans, LA

March 8, 2011Pearl River County, Mississippi; Washington Parish, Louisiana

NWS New Orleans, LA issued this tornado warning at Mar 8, 2011, 5:28 PM CST for Pearl River County, Mississippi; Washington Parish, Louisiana. It was in force for 32 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 8, 2011, 5:28 PM CST (23:28 UTC)
Expired: Mar 8, 2011, 6:00 PM CST
In force: 32 min
Issued by: NWS New Orleans, LA
Area: Storm-based polygon

Counties Washington Parish, LA, 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
Mar 8, 1:08 PM CST	Tornado Watch	SPC	9 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 11.5 hours before the alert went out and 78 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: 1 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 557 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 461 m²/s²
0-3 km storm-relative helicity: 579 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

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

796 
WFUS54 KLIX 082328
TORLIX
LAC117-MSC109-090000-
/O.NEW.KLIX.TO.W.0015.110308T2328Z-110309T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
528 PM CST TUE MAR 8 2011

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL WASHINGTON PARISH IN SOUTHEAST LOUISIANA...
  THIS INCLUDES THE CITY OF BOGALUSA...
  NORTHERN PEARL RIVER COUNTY IN SOUTHERN MISSISSIPPI...
  THIS INCLUDES THE CITY OF POPLARVILLE...

* UNTIL 600 PM CST

* AT 525 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR BOGALUSA...
  MOVING EAST AT 25 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  CROSSROADS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

HEAVY RAINFALL MAY OBSCURE 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.

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CST TUESDAY EVENING
FOR SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.

&&

LAT...LON 3103 8954 3080 8945 3072 8988 3092 8994
      3102 8961 3101 8956 3103 8955
TIME...MOT...LOC 2328Z 251DEG 21KT 3084 8981

$$

95/DM

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 8, 9:41 AM CST	River Flood Warning	LIX	Hancock, Pearl River	18 days
Mar 8, 9:48 AM CST	River Flood Warning	LIX	Hancock, Pearl River	19 days
Mar 8, 2:56 PM CST	Tornado Warning	LIX	Pike	34 min
Mar 8, 4:27 PM CST	Flash Flood Warning	LIX	Amite, Pike, Walthall	3 hr
Mar 8, 4:37 PM CST	Tornado Warning	LIX	Walthall	19 min
Mar 8, 4:49 PM CST	Severe Thunderstorm Warning	LIX	Pearl River	56 min
Mar 8, 10:00 AM CST	River Flood Warning	LIX	Tangipahoa	5 days
Mar 8, 1:02 PM CST	Tornado Warning	LIX	East Baton Rouge, East Feliciana, Iberville, Pointe Coupee, West Baton Rouge, West Feliciana	43 min
Mar 8, 4:00 PM CST	Severe Thunderstorm Warning	LIX	Saint Tammany, Tangipahoa, Washington	45 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.