Alert archive / Louisiana / Tornado Warnings in 2000

Tornado Warning 47, NWS New Orleans, LA

August 31, 2000Jefferson Parish, Louisiana

NWS New Orleans, LA issued this tornado warning at Aug 31, 2000, 6:02 PM CDT for Jefferson Parish, Louisiana. It was in force for 28 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: Aug 31, 2000, 6:02 PM CDT (23:02 UTC)
Expired: Aug 31, 2000, 6:30 PM CDT
In force: 28 min
Issued by: NWS New Orleans, LA
Area: Whole counties

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
Aug 31, 2:30 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 11.0 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-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: 1374 J/kg
Mixed-layer CIN: -157 J/kg
Mixed-layer LCL: 1340 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: -70 m²/s²
0-3 km storm-relative helicity: 96 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -1.1

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KLIX 312303
TORNEW

LAC051-312330-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
602 PM CDT THU AUG 31 2000

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN JEFFERSON PARISH IN SOUTHEAST LOUISIANA

* UNTIL 630 PM CDT

* AT 559 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 7 MILES SOUTH OF LAFITTE...OR ABOUT 14 MILES EAST OF CUT
  OFF...MOVING EAST AT 20 MPH.

* THE TORNADO IS EXPECTED TO BE OVER...
 LOWER JEFFERSON PARISH MARSHES BELOW LAFITTE 

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A 
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE 
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM CDT
THURSDAY EVENING FOR SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 30, 7:03 PM CDT	Severe Thunderstorm Warning	LIX	East Baton Rouge, West Baton Rouge	42 min
Aug 30, 7:27 PM CDT	Severe Thunderstorm Warning	LIX	Iberville	48 min
Aug 31, 2:07 PM CDT	Severe Thunderstorm Warning	LIX	Washington	38 min
Aug 31, 2:40 PM CDT	Tornado Warning	LIX	Washington	35 min
Aug 31, 3:06 PM CDT	Tornado Warning	LIX	Tangipahoa	39 min
Aug 31, 3:15 PM CDT	Severe Thunderstorm Warning	LIX	Livingston	60 min
Aug 31, 3:24 PM CDT	Severe Thunderstorm Warning	LIX	Saint Helena, Tangipahoa	66 min
Aug 31, 3:57 PM CDT	Severe Thunderstorm Warning	LIX	East Baton Rouge, East Feliciana	63 min
Aug 31, 4:05 PM CDT	Severe Thunderstorm Warning	LIX	Washington	55 min
Aug 31, 4:34 PM CDT	Severe Thunderstorm Warning	LIX	Ascension, Assumption, Iberville	56 min
Aug 31, 4:37 PM CDT	Severe Thunderstorm Warning	LIX	Tangipahoa	23 min
Aug 31, 5:06 PM CDT	Tornado Warning	LIX	Lafourche, Saint Charles, Saint John the Baptist	39 min
Aug 31, 5:34 PM CDT	Severe Thunderstorm Warning	LIX	Jefferson, Plaquemines	56 min
Aug 31, 6:18 PM CDT	Severe Thunderstorm Warning	LIX	Orleans, Saint Bernard	57 min
Aug 31, 6:23 PM CDT	Tornado Warning	LIX	Terrebonne	37 min
Aug 31, 6:49 PM CDT	Tornado Warning	LIX	Saint Bernard	26 min

Nearby

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