Alert archive / Louisiana / Tornado Warnings in 2005

Tornado Warning 92, NWS New Orleans, LA

August 29, 2005Saint Tammany Parish, Washington Parish, Louisiana; Hancock County, Pearl River County, Mississippi

NWS New Orleans, LA issued this tornado warning at Aug 29, 2005, 9:43 AM CDT for Saint Tammany Parish, Washington Parish, Louisiana; Hancock County, Pearl River County, Mississippi. It was in force for 62 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
Aug 29, 2005, 9:43 AM CDT (14:43 UTC)
Expired
Aug 29, 2005, 10:45 AM CDT
In force
62 min
Issued by
NWS New Orleans, LA
Area
Counties, with a storm outline in the text

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

The watch it was issued in

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

IssuedProductOfficeLasted
Aug 29, 2:00 AM CDTTornado WatchSPC8 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 2.7 hours before the alert went out and 200 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 2005-08-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 288 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 12:00Z on 2005-08-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 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
288 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
841 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
1 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.

000 
WFUS54 KLIX 291447
TORLIX
LAC103-117-MSC045-109-291545-
/O.NEW.KLIX.TO.W.0092.050829T1443Z-050829T1545Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS-BATON ROUGE LA
ISSUED BY NATIONAL WEATHER SERVICE MOBILE AL
943 AM CDT MON AUG 29 2005

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* TORNADO WARNING FOR...

  WASHINGTON PARISH IN SOUTHEAST LOUISIANA
  ST. TAMMANY PARISH IN SOUTHEAST LOUISIANA
  PEARL RIVER COUNTY IN SOUTHERN MISSISSIPPI
  HANCOCK COUNTY IN SOUTHERN MISSISSIPPI

* UNTIL 1045 AM CDT

* AT 940 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THE LEADING EDGE OF INTENSE EYEWALL WINDS ASSOCIATED WITH VERY 
DANGEROUS HURRICANE KATRINA MOVING THROUGH SOUTHEAST LOUISIANA AND 
SOUTHEAST MISSISSIPPI.  THIS LINE IS CAPABLE OF PRODUCING EXTENSIVE 
DAMAGING WINDS FROM 15 MILES EAST OF PICAYUNE TO 11 MILES SOUTHWEST 
OF PEARL RIVER...MOVING NORTH AT 18 MPH.

* TORNADO PRODUCING STORMS ARE EXPECTED TO BE NEAR...
  ABITA SPRINGS BY 1020 AM CDT
  POPLARVILLE BY 1030 AM CDT

THE ONSET OF DESTRUCTIVE WINDS WITH GUSTS OF 100 TO 120 MPH WILL BE 
NOTED WITH THIS LINE. THESE DESTRUCTIVE WINDS WILL PRODUCE WIND 
DAMAGE SIMILAR TO A TORNADO OVER LARGE AREAS. SEEK SHELTER ON THE LOWEST 
FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A 
CLOSET. STAY AWAY FROM WINDOWS AND REMAIN IN YOUR SAFE SHELTER UNTIL 
THE EYEWALL PASSES.

LAT...LON 3042 8935 3045 8958 3034 8975 3023 8984
      3048 9010 3076 9005 3093 8983 3096 8936

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 28, 10:14 PM CDTTornado WarningLIXOrleans, Saint Bernard57 min
Aug 28, 11:22 PM CDTTornado WarningLIXPlaquemines23 min
Aug 29, 4:04 AM CDTFlash Flood WarningLIXJefferson, Lafourche, Orleans, Plaquemines, Saint Bernard, Saint Charles and 1 more6 hr
Aug 29, 5:27 AM CDTTornado WarningLIXPlaquemines, Saint Bernard2 hr
Aug 29, 7:23 AM CDTTornado WarningLIXSaint Tammany2 hr
Aug 29, 7:54 AM CDTFlash Flood WarningLIXSaint Tammany, Tangipahoa, Washington6 hr
Aug 29, 8:14 AM CDTFlash Flood WarningLIXOrleans, Saint Bernard6 hr
Aug 29, 8:36 AM CDTTornado WarningLIXJefferson, Lafourche, Orleans, Plaquemines, Saint Bernard, Saint Charles24 min
Aug 29, 10:49 AM CDTTornado WarningLIXSaint Tammany, Washington56 min
Aug 29, 11:28 AM CDTFlash Flood WarningLIXJefferson6 hr
Aug 29, 11:34 AM CDTFlash Flood WarningLIXSaint Charles, Saint John the Baptist6 hr
Aug 29, 11:40 AM CDTFlash Flood WarningLIXOrleans, Plaquemines, Saint Bernard6 hr
Aug 29, 11:55 AM CDTTornado WarningLIXWashington65 min
Aug 29, 12:10 PM CDTFlash Flood WarningLIXSaint Tammany, Washington4 hr
Aug 29, 12:58 PM CDTFlash Flood WarningLIXTangipahoa4 hr
Aug 29, 3:09 AM CDTTornado WarningLIXHancock36 min
Aug 29, 3:59 AM CDTTornado WarningLIXHancock, Harrison46 min
Aug 29, 8:42 AM CDTTornado WarningLIXPearl River63 min
Aug 29, 9:50 AM CDTTornado WarningLIXHarrison55 min
Aug 29, 4:20 PM CDTFlash Flood WarningLIXHancock, Harrison, Jackson, Pearl River4 hr

Nearby

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