Alert archive / Louisiana / Tornado Warnings in 2003

Tornado Warning 22, NWS New Orleans, LA

June 29, 20036 parishes in Louisiana

NWS New Orleans, LA issued this tornado warning at Jun 29, 2003, 4:37 PM CDT for 6 parishes in Louisiana. It was in force for 23 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: Jun 29, 2003, 4:37 PM CDT (21:37 UTC)
Expired: Jun 29, 2003, 5:00 PM CDT
In force: 23 min
Issued by: NWS New Orleans, LA
Area: Counties, with a storm outline in the text

Counties Assumption Parish, LA, Lafourche Parish, LA, Saint Charles Parish, LA, Saint James Parish, LA, Saint John the Baptist Parish, LA, Terrebonne Parish, LA

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 9.6 hours before the alert went out and 132 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: 1422 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 708 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 43 m²/s²
0-3 km storm-relative helicity: 65 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.

163 
WFUS54 KLIX 292137
TORNEW
LAC007-057-089-093-095-109-292200-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
434 PM CDT SUN JUN 29 2003

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
  ASSUMPTION PARISH IN SOUTHEAST LOUISIANA
  THIS INCLUDES THE CITY OF NAPOLEONVILLE
  LAFOURCHE PARISH IN SOUTHEAST LOUISIANA
  THIS INCLUDES THE CITY OF THIBODAUX
  ST. CHARLES PARISH IN SOUTHEAST LOUISIANA
  THIS INCLUDES THE CITY OF HAHNVILLE
  ST. JAMES PARISH IN SOUTHEAST LOUISIANA
  ST. JOHN THE BAPTIST PARISH IN SOUTHEAST LOUISIANA
  THIS INCLUDES THE CITIES OF...RESERVE...LAPLACE
  TERREBONNE PARISH IN SOUTHEAST LOUISIANA

* UNTIL 500 PM CDT

* AT 428 PM CDT...TERREBONNE PARISH EMERGENCY MANAGEMENT REPORTED 
THREE FUNNEL CLOUDS NEAR THE SCHRIEVER AREA MOVING NORTHWEST AT 25 
MPH. RADAR INDICATED A TROPICAL SQUALL LINE CONTAINING FUNNEL CLOUDS 
XTENDING FROM AMELIA TO NEAR LAKE SALVADOR.

* TORNADO PRODUCING STORMS ARE EXPECTED TO BE NEAR...
   LABADIEVILLE...BOUTTE AT 440 PM CDT
   HAHNVILLE AT 450 PM CDT
   EDGARD...CONVENT...PAINCOURTVILLE...GRAMERCY AT 500 PM CDT

SEEK SHELTER ON THE LOWEST FLOOR OF A BUILDING IN AN INTERIOR HALLWAY
OR ROOM SUCH AS A CLOSET OR BATHROOM.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE.

LAT...LON 2953 9122 2965 9109 2982 9109 2986 9119
          2999 9125 3008 9106 3012 9049 2975 9030
          2972 9083

$$

24

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 29, 4:54 PM CDT	Special Marine Warning	LIX		66 min
Jun 29, 4:54 PM CDT	Special Marine Warning	LIX		66 min

Nearby

Tornado Warnings in Louisiana, 2003 Every tornado warning in 2003 Tornadoes in 2003

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.