Alert archive / Louisiana / Tornado Warnings in 2000

Tornado Warning 4, NWS New Orleans, LA

March 15, 2000Lafourche Parish, Saint Charles Parish, Louisiana

NWS New Orleans, LA issued this tornado warning at Mar 15, 2000, 2:24 PM CST for Lafourche Parish, Saint Charles Parish, Louisiana. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 15, 2000, 2:24 PM CST (20:24 UTC)
Expired
Mar 15, 2000, 3:00 PM CST
In force
36 min
Issued by
NWS New Orleans, LA
Area
Whole counties

Counties Lafourche Parish, LA, Saint Charles Parish, LA

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 8.4 hours before the alert went out and 89 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 2000-03-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 15 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, Slidell Radar S, LA at 12:00Z on 2000-03-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 161 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
15 J/kg
Mixed-layer CIN
-233 J/kg
Mixed-layer LCL
983 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
161 m²/s²
0-3 km storm-relative helicity
202 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 152026
TORNEW
LAC057-089-152100-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
224 PM CST WED MAR 15 2000

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
  LAFOURCHE PARISH IN SOUTHEAST LOUISIANA
  ST. CHARLES PARISH IN SOUTHEAST LOUISIANA

* UNTIL 300 PM CST

* AT 220 PM CST LOCAL LAW ENFORCEMENT OFFICIALS REPORTED A TORNADO 
  TOUCHDOWN BETWEEN LAROSE AND BOURG...MOVING NORTH-NORTHEAST AT 25
  MPH.

* SOME LOCATIONS IN THE PATH OF THIS TORNADO INCLUDE...
  RACELAND
  MATHEWS
  LOCKPORT
  DES ALLEMANDS
  BOUTTE

GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR!

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

&

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 15, 12:15 PM CSTSevere Thunderstorm WarningLIXLafourche, Terrebonne45 min
Mar 15, 2:06 PM CSTSevere Thunderstorm WarningLIXPlaquemines39 min
Mar 15, 2:53 PM CSTTornado WarningLIXSaint Charles32 min
Mar 15, 3:08 PM CSTSevere Thunderstorm WarningLIXJefferson, Saint Charles37 min

Nearby

Tornado Warnings in Louisiana, 2000Every tornado warning in 2000Tornadoes in 2000

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.