Alert archive / Louisiana / Tornado Warnings in 1998
Tornado Warning 35, NWS New Orleans, LA
NWS New Orleans, LA issued this tornado warning at Oct 6, 1998, 3:48 PM CDT for Iberville Parish, Pointe Coupee Parish, Louisiana. It was in force for 47 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
- Oct 6, 1998, 3:48 PM CDT (20:48 UTC)
- Expired
- Oct 6, 1998, 4:35 PM CDT
- In force
- 47 min
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
Counties Iberville Parish, LA, Pointe Coupee Parish, LA
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 8.8 hours before the alert went out and 170 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
- 1377 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 821 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 128 m²/s²
- 0-3 km storm-relative helicity
- 169 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 7.1
The text
As transmitted, in the capitals the NWS used until 2016.
479 WFUS1 KNEW 062045 RRA TORNEW LAC047-077-062135- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE NEW ORLEANS LA 348 PM CDT TUE OCT 6 1998 THE NATIONAL WEATHER SERVICE IN NEW ORLEANS LA HAS ISSUED A... * TORNADO WARNING FOR - SOUTHERN POINTE COUPEE PARISH IN SOUTHEASTERN LOUISIANA - NORTHERN IBERVILLE PARISH IN SOUTHEASTERN LOUISIANA * UNTIL 435 PM CDT * AT 340 PM CDT...A LARGE FUNNEL CLOUD WAS OBSERVED ON INTERSTATE 10 AT THE WHISKEY BAY EXIT WEST OF GROSSE TETE MOVING NORTH AT 15 MILES AN HOUR. * COMMUNITIES IN THE PATH OF THIS STORM INCLUDES MARINGOUIN AND LIVONA. IF YOU ARE IN THESE AREAS...SEEK SHELTER IN A SMALL INTERIOR ROOM AWAY FROM WINDOWS 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.
What forecasters said that day
The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Oct 6, 10:45 AM CDT, 5 hours 3 minutes before
LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-062130- THUNDERSTORM OUTLOOK...CORRECTION TO DATE... NATIONAL WEATHER SERVICE NEW ORLEANS LA 1045 AM CDT TUE OCT 6 1998 SHOWERS AND THUNDERSTORMS WILL INCREASE ACROSS SOUTHEAST LOUISIANA AND SOUTH MISSISSIPPI THIS AFTERNOON AND TONIGHT AS A COLD FRONT ASSOCIATED WITH A VIGOROUS STORM SYSTEM IN THE PLAINS STATES APPROACHES THE AREA. THUNDERSTORMS WILL BE SCATTERED ACROSS THE AREA THROUGH MOST OF THE AFTERNOON WITH THE COVERAGE EXPECTED TO INCREASE TONIGHT. RAINFALL ASSOIATED WITH THE SHOWERS AND THUNDERSTORMS MAY BE HEAVY OVERNIGHT. ANY SEVERE THUNDERSTORMS THROUGH TONIGHT WILL BE ISOLATED...HOWEVER STRONG GUSTY WINDS UP TO 40 MPH AND FREQUENT LIGHTNING WILL ACCOMPANY SOME OF THE THUNDERSTORMS.
Special weather statement, Oct 6, 10:45 AM CDT, 5 hours 3 minutes before
LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-062130- THUNDERSTORM OUTLOOK...CORRECTION TO DATE... NATIONAL WEATHER SERVICE NEW ORLEANS LA 1045 AM CDT TUE OCT 6 1998 SHOWERS AND THUNDERSTORMS WILL INCREASE ACROSS SOUTHEAST LOUISIANA AND SOUTH MISSISSIPPI THIS AFTERNOON AND TONIGHT AS A COLD FRONT ASSOCIATED WITH A VIGOROUS STORM SYSTEM IN THE PLAINS STATES APPROACHES THE AREA. THUNDERSTORMS WILL BE SCATTERED ACROSS THE AREA THROUGH MOST OF THE AFTERNOON WITH THE COVERAGE EXPECTED TO INCREASE TONIGHT. RAINFALL ASSOIATED WITH THE SHOWERS AND THUNDERSTORMS MAY BE HEAVY OVERNIGHT. ANY SEVERE THUNDERSTORMS THROUGH TONIGHT WILL BE ISOLATED...HOWEVER STRONG GUSTY WINDS UP TO 40 MPH AND FREQUENT LIGHTNING WILL ACCOMPANY SOME OF THE THUNDERSTORMS.
The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 6, 4:51 PM CDT | Tornado Warning | LIX | Assumption | 34 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.