Alert archive / Mississippi / Tornado Warnings in 2011

Tornado Warning 71, NWS New Orleans, LA

August 24, 2011Hancock County, Pearl River County, Mississippi

NWS New Orleans, LA issued this tornado warning at Aug 24, 2011, 4:45 PM CDT for Hancock County, Pearl River County, Mississippi. It was in force for 30 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
Aug 24, 2011, 4:45 PM CDT (21:45 UTC)
Expired
Aug 24, 2011, 5:15 PM CDT
In force
30 min
Issued by
NWS New Orleans, LA
Area
Storm-based polygon

Counties Hancock County, MS, Pearl River County, MS

What was reported inside it

TimeReportWhereRemark
Aug 24, 4:47 PM CDTTSTM WND DMG6 Nne Kiln, MSCORRECTION TO CHANGE EVENT FROM TORNADO TO WIND DAMAGE. EMERGENCY MANAGER REPORTED A COUPLE DEAD TREES DOWNED...AND SPORADIC TREE LIMBS DOWN NEAR SEVERAL ROADS NORTH AND NORTHEAST OF KILN CONSISTENT WITH STRAIGHT-LINE WIND DAMAGE. THERE IS NO CONFIRMATION OF A

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

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 9.8 hours before the alert went out and 29 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, Slidell Radar S, LA at 12:00Z on 2011-08-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1191 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, Slidell Radar S, LA at 12:00Z on 2011-08-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -10 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
1191 J/kg
Mixed-layer CIN
-116 J/kg
Mixed-layer LCL
1238 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-10 m²/s²
0-3 km storm-relative helicity
17 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.

180 
WFUS54 KLIX 242145
TORLIX
MSC045-109-242215-
/O.NEW.KLIX.TO.W.0071.110824T2145Z-110824T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
445 PM CDT WED AUG 24 2011

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL HANCOCK COUNTY IN SOUTHERN MISSISSIPPI...
  THIS INCLUDES THE CITY OF DIAMONDHEAD...
  SOUTHWESTERN PEARL RIVER COUNTY IN SOUTHERN MISSISSIPPI...
  THIS INCLUDES THE CITY OF PICAYUNE...

* UNTIL 515 PM CDT

* AT 442 PM CDT...LOCAL LAW ENFORCEMENT REPORTED A TORNADO NEAR   
KILN...OR 6 MILES NORTHWEST OF DIAMONDHEAD...MOVING WEST NORTHWEST 
AT 35 MPH.

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 3055 8934 3037 8934 3039 8967 3041 8969
      3045 8968 3052 8977 3054 8978 3056 8980
      3057 8980 3057 8981 3062 8983
TIME...MOT...LOC 2145Z 097DEG 30KT 3047 8944

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 24, 4:07 PM CDTSevere Thunderstorm WarningLIXHancock, Harrison, Pearl River23 min
Aug 24, 4:10 PM CDTSevere Thunderstorm WarningLIXHancock, Pearl River35 min
Aug 24, 4:29 PM CDTSevere Thunderstorm WarningLIXHancock, Harrison, Pearl River31 min
Aug 24, 6:57 PM CDTHeat AdvisoryLIXAmite, Pearl River, Pike, Walthall, Wilkinson48 hr

Nearby

Tornado Warnings in Mississippi, 2011Every tornado warning in 2011Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.