Alert archive / Louisiana / Tornado Warnings in 2002

Tornado Warning 78, NWS New Orleans, LA

November 5, 2002Jefferson Parish, Louisiana

NWS New Orleans, LA issued this tornado warning at Nov 5, 2002, 10:10 AM CST for Jefferson Parish, Louisiana. It was in force for 35 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: Nov 5, 2002, 10:10 AM CST (16:10 UTC)
Expired: Nov 5, 2002, 10:45 AM CST
In force: 35 min
Issued by: NWS New Orleans, LA
Area: Counties, with a storm outline in the text

County Jefferson Parish, LA

The watch it was issued in

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

Issued	Product	Office	Lasted
Nov 5, 9:50 AM CST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 4.2 hours before the alert went out and 51 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: 608 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 556 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 41 m²/s²
0-3 km storm-relative helicity: 66 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

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

918 
WFUS54 KLIX 051610
TORNEW
LAC051-071-075-087-051645-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1008 AM CST TUE NOV 5 2002

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
  JEFFERSON PARISH IN SOUTHEAST LOUISIANA
  THIS INCLUDES THE CITIES OF...TIMBERLANE...MARRERO...HARVEY...
  AVONDALE
  ORLEANS PARISH IN SOUTHEAST LOUISIANA
  THIS INCLUDES THE CITIES OF...NEW ORLEANS...EAST NEW ORLEANS
  PLAQUEMINES PARISH IN SOUTHEAST LOUISIANA
  THIS INCLUDES THE CITY OF BELLE CHASSE
  ST. BERNARD PARISH IN SOUTHEAST LOUISIANA
  THIS INCLUDES THE CITY OF CHALMETTE

* UNTIL 1045 AM CST

* AT 1005 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED  
SEVERAL THUNDERSTORMS CAPABLE OF PRODUCING A TORNADO...ONE NEAR JEAN 
LAFITTE AND THE OTHER LOCATED NEAR VIOLET...MOVING NORTHEAST AT 45 
MPH.

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 2990 9021 2971 9011 2983 8969 3011 8989

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 5, 8:04 AM CST	Special Marine Warning	LIX		116 min
Nov 5, 8:41 AM CST	Special Marine Warning	LIX		2 hr
Nov 5, 9:51 AM CST	Special Marine Warning	LIX		84 min
Nov 5, 9:56 AM CST	Tornado Warning	LIX	Saint Charles	49 days
Nov 5, 9:56 AM CST	Tornado Warning	LIX	Jefferson, Saint Charles	49 days
Nov 5, 10:10 AM CST	Tornado Warning	LIX	Jefferson, Orleans, Plaquemines, Saint Bernard	56 days
Nov 5, 10:20 AM CST	Special Marine Warning	LIX		115 min
Nov 5, 10:20 AM CST	Special Marine Warning	LIX		115 min
Nov 5, 10:22 AM CST	Severe Thunderstorm Warning	LIX	Lafourche	38 min
Nov 5, 10:31 AM CST	Tornado Warning	LIX	Jefferson, Lafourche, Plaquemines	44 min
Nov 5, 10:56 AM CST	Special Marine Warning	LIX		109 min
Nov 5, 11:08 AM CST	Tornado Warning	LIX	Plaquemines, Saint Bernard	37 min
Nov 5, 11:46 AM CST	Severe Thunderstorm Warning	LIX	Plaquemines	44 min
Nov 5, 12:05 PM CST	Special Marine Warning	LIX		115 min
Nov 5, 12:55 PM CST	Special Marine Warning	LIX		2 hr
Nov 5, 2:04 PM CST	Special Marine Warning	LIX		116 min

Nearby

Tornado Warnings in Louisiana, 2002 Every tornado warning in 2002 Tornadoes in 2002

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.