Alert archive / Louisiana / Tornado Warnings in 2000

Tornado Warning 5, NWS New Orleans, LA

March 15, 2000Saint Charles Parish, Louisiana

NWS New Orleans, LA issued this tornado warning at Mar 15, 2000, 2:53 PM CST for Saint Charles Parish, Louisiana. It was in force for 32 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Mar 15, 2000, 2:53 PM CST (20:53 UTC)
Expired
Mar 15, 2000, 3:25 PM CST
In force
32 min
Issued by
NWS New Orleans, LA
Area
Whole counties

County Saint Charles Parish, LA

What was reported inside it

TimeReportWhereRemark
Mar 15, 3:15 PM CSTThunderstorm WindNorco, LAThunderstorm winds downed a few trees.
Mar 15, 3:30 PM CSTThunderstorm WindDes Allemands, LAThunderstorm wind downed a few trees.

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, 8.9 hours before the alert went out and 74 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°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 152055
TORNEW
LAC089-152125-

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

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

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

* UNTIL 325 PM CST

* AT 253 PM CST NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  DEVELOPING TORNADO OVER DES ALLEMANDS...MOVING NORTH AT 20 MPH.

* SOME LOCATIONS IN THE PATH OF THIS TORNADO INCLUDE...
  NORCO
  NEW SARPY
  HAHNVILLE
  DESTREHAN
  DES ALLEMANDS
  BOUTTE

GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR!

REPORT SEVERE WEATHER 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, 2:24 PM CSTTornado WarningLIXLafourche, Saint Charles36 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.