Alert archive / Louisiana / Tornado Warnings in 1998
Tornado Warning 6, NWS New Orleans, LA
NWS New Orleans, LA issued this tornado warning at Mar 7, 1998, 4:24 AM CST for Saint Tammany Parish, Louisiana. It was in force for 31 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
- Mar 7, 1998, 4:24 AM CST (10:24 UTC)
- Expired
- Mar 7, 1998, 4:55 AM CST
- In force
- 31 min
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
County Saint Tammany 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 |
|---|---|---|---|
| Mar 7, 3:45 AM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 10.4 hours before the alert went out and 30 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
- 35 J/kg
- Mixed-layer CIN
- -63 J/kg
- Mixed-layer LCL
- 622 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- -21 m²/s²
- 0-3 km storm-relative helicity
- 31 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
435 WFUS1 KNEW 071021 RRA TORNEW LAC103-071055- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE NEW ORLEANS LA 424 AM CST SAT MAR 7 1998 THE NATIONAL WEATHER SERVICE IN NEW ORLEANS LA HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 455 AM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEASTERN LOUISIANA ...ST TAMMANY PARISH AT 423 AM CST...RADAR INDICATED A POSSIBLE TORNADO FORMING 5 MILES WEST OF COVINGTON NEAR I-12 AND THE HIGHWAY 1077 EXIT AT GOODBEE. THIS STORM WAS MOVING TO THE EAST 45 MPH. COVINGTON AND ABITA SPRINGS ARE IN THE PATH OF THIS STORM. IF YOU ARE IN THE PATH OF A TORNADO...GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE. SEEK SHELTER IN AN INTERIOR ROOM SUCH AS A CLOSET ON THE LOWEST FLOOR. USE BLANKETS...PILLOWS...OR CUSHIONS TO COVER YOUR BODY. AVOID WINDOWS.
The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 7, 3:51 AM CST | Severe Thunderstorm Warning | LIX | Washington | 59 min |
| Mar 7, 4:19 AM CST | Severe Thunderstorm Warning | LIX | Livingston | 36 min |
| Mar 7, 4:56 AM CST | Tornado Warning | LIX | Ascension, Iberville | 34 min |
| Mar 7, 5:07 AM CST | Tornado Warning | LIX | Saint Tammany | 33 min |
| Mar 7, 5:51 AM CST | Severe Thunderstorm Warning | LIX | Saint James | 34 min |
| Mar 7, 6:41 AM CST | Severe Thunderstorm Warning | LIX | Saint Tammany | 44 min |
| Mar 7, 8:10 AM CST | Severe Thunderstorm Warning | LIX | Pointe Coupee, West Feliciana | 35 min |
| Mar 7, 4:14 PM CST | Severe Thunderstorm Warning | LIX | Assumption | 61 min |
| Mar 7, 4:20 PM CST | Severe Thunderstorm Warning | LIX | West Feliciana | 30 min |
| Mar 7, 4:41 PM CST | Flash Flood Warning | LIX | Saint Bernard | 4 hr |
| Mar 7, 4:46 PM CST | Severe Thunderstorm Warning | LIX | Saint Charles, Saint John the Baptist | 34 min |
| Mar 7, 5:00 PM CST | Severe Thunderstorm Warning | LIX | Saint Tammany, Tangipahoa, Washington | 35 min |
| Mar 7, 5:44 PM CST | Severe Thunderstorm Warning | LIX | Terrebonne | 61 min |
Nearby
Tornado Warnings in Louisiana, 1998Every tornado warning in 1998Tornadoes in 1998
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.