Alert archive / Louisiana / Tornado Warnings in 2002
Tornado Warning 76, NWS New Orleans, LA
NWS New Orleans, LA issued this tornado warning at Nov 5, 2002, 9:56 AM CST for Jefferson Parish, Saint Charles Parish, Louisiana. It was in force for 49 days. 1 report 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
- Nov 5, 2002, 9:56 AM CST (15:56 UTC)
- Expired
- Dec 24, 2002, 6:45 AM CST
- In force
- 49 days
- Issued by
- NWS New Orleans, LA
- Area
- Counties, with a storm outline in the text
Counties Jefferson Parish, LA, Saint Charles Parish, LA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Dec 19, 1:30 PM CST | Tornado F0 | Norco, LA | A waterspout formed over the Mississippi River near Norco and moved overhead as a funnel cloud before touching down as a tornado over a marsh and crossing Interstate 10 near mile marker 214 |
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Nov 5, 4:25 AM CST | Tornado Watch | SPC | 6 hr |
| Nov 5, 9:50 AM CST | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 3.9 hours before the alert went out and 72 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
- 608 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 556 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 66 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 5, 8:04 AM CST | Special Marine Warning | LIX | 116 min | |
| Nov 5, 8:41 AM CST | Special Marine Warning | LIX | 2 hr | |
| Nov 5, 9:51 AM CST | Special Marine Warning | LIX | 84 min | |
| Nov 5, 9:56 AM CST | Tornado Warning | LIX | Saint Charles | 49 days |
| Nov 5, 10:10 AM CST | Tornado Warning | LIX | Jefferson, Orleans, Plaquemines, Saint Bernard | 56 days |
| Nov 5, 10:10 AM CST | Tornado Warning | LIX | Jefferson | 35 min |
| Nov 5, 10:20 AM CST | Special Marine Warning | LIX | 115 min | |
| Nov 5, 10:20 AM CST | Special Marine Warning | LIX | 115 min | |
| Nov 5, 10:22 AM CST | Severe Thunderstorm Warning | LIX | Lafourche | 38 min |
| Nov 5, 10:31 AM CST | Tornado Warning | LIX | Jefferson, Lafourche, Plaquemines | 44 min |
| Nov 5, 10:56 AM CST | Special Marine Warning | LIX | 109 min | |
| Nov 5, 11:08 AM CST | Tornado Warning | LIX | Plaquemines, Saint Bernard | 37 min |
| Nov 5, 11:46 AM CST | Severe Thunderstorm Warning | LIX | Plaquemines | 44 min |
| Nov 5, 12:05 PM CST | Special Marine Warning | LIX | 115 min | |
| Nov 5, 12:55 PM CST | Special Marine Warning | LIX | 2 hr | |
| Nov 5, 2:04 PM CST | Special Marine Warning | LIX | 116 min | |
| Nov 5, 11:52 AM CST | Severe Thunderstorm Warning | LIX | Harrison, Jackson | 38 min |
| Nov 5, 12:05 PM CST | Tornado Warning | LIX | Jackson | 40 min |
Nearby
Tornado Warnings in Louisiana, 2002Every tornado warning in 2002Tornadoes in 2002
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.