Alert archive / Louisiana / Tornado Warnings in 2001

Tornado Warning 1, NWS New Orleans, LA

January 29, 2001Livingston Parish, Louisiana

NWS New Orleans, LA issued this tornado warning at Jan 29, 2001, 11:33 AM CST for Livingston Parish, Louisiana. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Jan 29, 2001, 11:33 AM CST (17:33 UTC)
Expired: Jan 29, 2001, 12:00 PM CST
In force: 27 min
Issued by: NWS New Orleans, LA
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Livingston 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
Jan 29, 8:00 AM CST	Severe Thunderstorm Watch	SPC	6 hr
Jan 29, 11:30 AM CST	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 5.6 hours before the alert went out and 107 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: 26 J/kg
Mixed-layer CIN: -55 J/kg
Mixed-layer LCL: 600 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 268 m²/s²
0-3 km storm-relative helicity: 337 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

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

538 
WFUS54 KLIX 291735
TORNEW
LAC063-291800-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1133 AM CST MON JAN 29 2001

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

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

* UNTIL NOON CST

* AT 1128 AM CST...THE PUBLIC REPORTED A TORNADO 5 MILES WEST OF   
LIVINGSTON...NEAR WATSON...MOVING EAST AT 50 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 IN NEW ORLEANS.

LAT...LON 3056 9091 3039 9083 3045 9058 3064 9060

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 29, 10:34 AM CST	Severe Thunderstorm Warning	LIX	East Baton Rouge, Iberville, Pointe Coupee, West Baton Rouge	26 min
Jan 29, 10:34 AM CST	Severe Thunderstorm Warning	LIX	East Feliciana	26 min
Jan 29, 11:02 AM CST	Severe Thunderstorm Warning	LIX	East Baton Rouge, East Feliciana, Saint Helena, West Baton Rouge	58 min
Jan 29, 11:02 AM CST	Severe Thunderstorm Warning	LIX	Ascension, Assumption, Iberville	58 min
Jan 29, 11:02 AM CST	Severe Thunderstorm Warning	LIX	Saint James	58 min
Jan 29, 11:02 AM CST	Severe Thunderstorm Warning	LIX	Livingston	58 min
Jan 29, 11:43 AM CST	Tornado Warning	LIX	Tangipahoa	32 min
Jan 29, 11:44 AM CST	Severe Thunderstorm Warning	LIX	Saint Tammany, Washington	61 min
Jan 29, 11:44 AM CST	Severe Thunderstorm Warning	LIX	Saint Charles, Saint James, Saint John the Baptist	61 min
Jan 29, 12:06 PM CST	Tornado Warning	LIX	Washington	39 min
Jan 29, 12:18 PM CST	Tornado Warning	LIX	Tangipahoa	27 min
Jan 29, 12:35 PM CST	Severe Thunderstorm Warning	LIX	Saint Tammany, Washington	55 min
Jan 29, 12:45 PM CST	Severe Thunderstorm Warning	LIX	Lafourche, Saint Charles, Saint John the Baptist	90 min
Jan 29, 12:45 PM CST	Severe Thunderstorm Warning	LIX	Jefferson, Orleans, Plaquemines, Saint Bernard	90 min
Jan 29, 12:45 PM CST	Severe Thunderstorm Warning	LIX	Terrebonne	90 min

Nearby

Tornado Warnings in Louisiana, 2001 Every tornado warning in 2001 Tornadoes in 2001

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.