Alert archive / Louisiana / Tornado Warnings in 2002

Tornado Warning 53, NWS New Orleans, LA

October 8, 2002Terrebonne Parish, Louisiana

NWS New Orleans, LA issued this tornado warning at Oct 8, 2002, 8:56 AM CDT for Terrebonne Parish, Louisiana. It was in force for 17 days. 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
Oct 8, 2002, 8:56 AM CDT (13:56 UTC)
Expired
Oct 25, 2002, 8:30 PM CDT
In force
17 days
Issued by
NWS New Orleans, LA
Area
Counties, with a storm outline in the text

County Terrebonne Parish, LA

What was reported inside it

TimeReportWhereRemark
Oct 25, 6:30 PM CDTThunderstorm WindSt Rose, LAThunderstorm winds knocked down eight utility poles.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 1.9 hours before the alert went out and 67 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 2002-10-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 47 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 2002-10-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 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
47 J/kg
Mixed-layer CIN
-150 J/kg
Mixed-layer LCL
648 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
60 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.

751 
WFUS54 KLIX 081356
TORNEW
LAC109-081410-


TEST TEST TEST...THIS IS ONLY A TEST...

DO NOT DISSEMINATE


TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
855 AM CDT TUE OCT 8 2002

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A TEST

* TORNADO WARNING FOR...
  TERREBONNE PARISH IN SOUTHEAST LOUISIANA

* UNTIL 910 AM CDT

* AT 849 AM CDT...THIS IS ONLY A TEST.

LAT...LON 2965 9081 2957 9099 2938 9089 2947 9069

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 8, 9:09 AM CDTTornado WarningLIXTerrebonne21 min

Nearby

Tornado Warnings in Louisiana, 2002Every tornado warning in 2002Tornadoes 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.