Alert archive / Louisiana / Tornado Warnings in 2001
Tornado Warning 56, NWS New Orleans, LA
NWS New Orleans, LA issued this tornado warning at Dec 13, 2001, 8:48 PM CST for Jefferson Parish, Lafourche Parish, Saint Charles Parish, Louisiana. It was in force for 27 min. 1 report came from 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, with what was reported inside it.
The facts
- Issued
- Dec 13, 2001, 8:48 PM CST (02:48 UTC)
- Expired
- Dec 13, 2001, 9:15 PM CST
- In force
- 27 min
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Jefferson Parish, LA, Lafourche Parish, LA, Saint Charles Parish, LA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Dec 13, 9:05 PM CST | Tornado F0 | Metairie, LA | A tornado tore off the roof of an eight unit condominium building and partially removed the roof of another condominium building. In addition, a metal shed was destroyed, a fence knocked down, a tree and several large tree limbs blown down, and a window knock |
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 00:00Z, 2.8 hours before the alert went out and 76 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.
- Mixed-layer CAPE
- 1583 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 452 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 174 m²/s²
- 0-3 km storm-relative helicity
- 194 m²/s²
- Significant tornado parameter
- 2.4
- Supercell composite
- 9.4
The text
As transmitted, in the capitals the NWS used until 2016.
245 WFUS54 KLIX 140248 TORNEW LAC051-057-089-140315- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE NEW ORLEANS LA 848 PM CST THU DEC 13 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * TORNADO WARNING FOR... JEFFERSON PARISH IN SOUTHEAST LOUISIANA THIS INCLUDES THE CITIES OF...METAIRIE...KENNER LAFOURCHE PARISH IN SOUTHEAST LOUISIANA ST. CHARLES PARISH IN SOUTHEAST LOUISIANA THIS INCLUDES THE CITY OF HAHNVILLE * UNTIL 915 PM CST * AT 835 PM CST...THE PUBLIC REPORTED POSSIBLE TORNADO DAMAGE OCCURRING IN HOUMA. RADAR INDICATED THE STORM PRODUCING THE POSSIBLE TORNADO OVER DES ALLEMANDS...OR ABOUT 12 MILES SOUTH OF HAHNVILLE...MOVING NORTHEAST AT 40 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. LAT...LON 2982 9062 2969 9046 3006 9003 3021 9022
The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 13, 7:18 PM CST | Special Marine Warning | LIX | 117 min | |
| Dec 13, 7:18 PM CST | Special Marine Warning | LIX | 117 min | |
| Dec 13, 8:30 PM CST | Special Marine Warning | LIX | 2 hr | |
| Dec 13, 9:17 PM CST | Severe Thunderstorm Warning | LIX | Saint Tammany | 28 min |
| Dec 13, 9:28 PM CST | Severe Thunderstorm Warning | LIX | Orleans, Plaquemines, Saint Bernard | 62 min |
| Dec 13, 9:38 PM CST | Special Marine Warning | LIX | 97 min | |
| Dec 13, 11:40 PM CST | Special Marine Warning | LIX | 2 hr |
Nearby
Tornado Warnings in Louisiana, 2001Every tornado warning in 2001Tornadoes 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.