Alert archive / Louisiana / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 71, NWS New Orleans, LA
NWS New Orleans, LA issued this severe thunderstorm warning at Feb 26, 1998, 9:18 AM CST for Pointe Coupee Parish, West Feliciana Parish, Louisiana. It was in force for 72 min. 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
- Feb 26, 1998, 9:18 AM CST (15:18 UTC)
- Expired
- Feb 26, 1998, 10:30 AM CST
- In force
- 72 min
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
Counties Pointe Coupee Parish, LA, West Feliciana Parish, LA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 26, 9:50 AM CST | Thunderstorm Wind | Innis, LA |
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
Lake Charles Mun, LA (KLCH), launched 12:00Z, 3.3 hours before the alert went out and 178 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
- 428 J/kg
- Mixed-layer CIN
- -42 J/kg
- Mixed-layer LCL
- 616 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 263 m²/s²
- 0-3 km storm-relative helicity
- 323 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 4.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KNEW 261518 RRA SVRNEW LAC005-033-034-037-047-121-125-MSC005-157-261630- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NEW ORLEANS LA 918 AM CST THU FEB 26 1998 THE NATIONAL WEATHER SERVICE IN NEW ORLEANS LA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1030 AM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHEASTERN LOUISIANA ...POINTE COUPEE PARISH ...WEST FELICIANA PARISH ...EAST FELICIANA PARISH ...WEST BATON ROUGE PARISH ...EAST BATON ROUGE PARISH ...IBERVILLE PARISH ...ASCENSION PARISH IN SOUTHERN MISSISSIPPI ...WILKINSON COUNTY ...WESTERN AMITE COUNTY AT 915 AM CST...A SOLID LINE OF SEVERE THUNDERSTORMS WAS INDICATED BY DOPPLER RADAR EXTENDING FROM WESTERN ST. LANDRY PARISH NEAR OPELOUSAS SOUTH TO NEAR LAFAYETTE...MOVING NORTHEAST AT 60 MILES AN HOUR. STRONG WIND GUSTS IN EXCESS OF 60 MILES AN HOUR WILL LIKELY AFFECT THE WARNED COUNTIES AND PARISHES INCLUDING THE GREATER BATON RAOUGE AREA BETWEEN 930 AND 1030 AM. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO JA SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.
What forecasters said that day
The local office's own words before this severe thunderstorm 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, Feb 26, 9:15 AM CST, 3 minutes before
LAZ038>040-049-050-056>070-MSZ077-080>082-270000-
THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE NEW ORLEANS LA
915 AM CST THU FEB 26 1998
A LINE OF STRONG TO SEVERE THUNDERSTORMS WERE PUSHING EAST AT 45 MPH.
THIS LINE WILL PUSH INTO SOUTHCENTRAL AND SOUTHEAST LOUISIANA THROUGH
AROUND NOON TODAY. EXPECT SEVERE THUNDERSTORM GUSTS...HAIL...AND
POSSIBLE TORNADOS WITH THIS LINE.
KEEP TUNED TO NOAA WEATHER RADIO...LOCAL AND CABLE TELEVISION
STATIONS.L..AND LOCAL RADIO FOR THE LATEST WATCHES AND WARNINGS
FOR THIS LINE. YOU CAN ALSO VISIT OUR HOME PAGE AT:
WWW.SRH.NOAA.GOV/FTPROOT/LIX.Special weather statement, Feb 26, 9:15 AM CST, 3 minutes before
LAZ038>040-049-050-056>070-MSZ077-080>082-270000-
THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE NEW ORLEANS LA
915 AM CST THU FEB 26 1998
A LINE OF STRONG TO SEVERE THUNDERSTORMS WERE PUSHING EAST AT 45 MPH.
THIS LINE WILL PUSH INTO SOUTHCENTRAL AND SOUTHEAST LOUISIANA THROUGH
AROUND NOON TODAY. EXPECT SEVERE THUNDERSTORM GUSTS...HAIL...AND
POSSIBLE TORNADOS WITH THIS LINE.
KEEP TUNED TO NOAA WEATHER RADIO...LOCAL AND CABLE TELEVISION
STATIONS.L..AND LOCAL RADIO FOR THE LATEST WATCHES AND WARNINGS
FOR THIS LINE. YOU CAN ALSO VISIT OUR HOME PAGE AT:
WWW.SRH.NOAA.GOV/FTPROOT/LIX.The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 26, 9:18 AM CST | Severe Thunderstorm Warning | LIX | Ascension, East Baton Rouge, East Feliciana, Iberville, West Baton Rouge | 72 min |
| Feb 26, 10:24 AM CST | Severe Thunderstorm Warning | LIX | East Feliciana, Saint Helena | 66 min |
| Feb 26, 10:24 AM CST | Severe Thunderstorm Warning | LIX | Tangipahoa | 66 min |
| Feb 26, 2:16 PM CST | Severe Thunderstorm Warning | LIX | Washington | 49 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 1998Every severe thunderstorm warning 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.