Alert archive / Louisiana / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 72, NWS New Orleans, LA

February 26, 1998East Feliciana Parish, Saint Helena Parish, Louisiana; Amite County, Mississippi

NWS New Orleans, LA issued this severe thunderstorm warning at Feb 26, 1998, 10:24 AM CST for East Feliciana Parish, Saint Helena Parish, Louisiana; Amite County, Mississippi. It was in force for 66 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, 10:24 AM CST (16:24 UTC)
Expired: Feb 26, 1998, 11:30 AM CST
In force: 66 min
Issued by: NWS New Orleans, LA
Area: Whole counties

Counties East Feliciana Parish, LA, Saint Helena Parish, LA, Amite County, MS

What was reported inside it

Time	Report	Where	Remark
Feb 26, 10:58 AM CST	Thunderstorm Wind	O Neil, MS	The Sheriff''s Office reported that a tree fell on a mobile home.

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
Feb 26, 9:30 AM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 4.4 hours before the alert went out and 135 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 62 J/kg
Mixed-layer CIN: -285 J/kg
Mixed-layer LCL: 707 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 364 m²/s²
0-3 km storm-relative helicity: 422 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

860 
WUUS1 KNEW 261626 RRA
SVRNEW
LAC037-091-105-MSC005-113-261730-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING...CORRECTED
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1024 AM CST THU FEB 26 1998

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS LA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1130 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN SOUTHEASTERN LOUISIANA

   ...EAST FELICIANA PARISH
   ...ST HELENA PARISH
   ...NORTHERN TANGIPAHOA PARISH

IN SOUTHERN MISSISSIPPI

   ...AMITE COUNTY
   ...PIKE COUNTY

AT 1020 AM DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS
EXTENDED FROM GLOSTER MISSISSIPPI TO CLINTON LOUSIIANA. THE LINE
WAS MOVING EAST AT 45 MILES AN HOUR. COMMINITIES IN THE PATH OF
THIS LINE OF SEVERE THUNDERSTORMS INLCUDE LIBERTY... MCCOMB...
GREENSBURG AND KENTWOOD. THE THUNDESTORMS HAVE PRODUCED WIND DAMAGE
IN POINTE COUPEE PARISH AND WILKINSON COUNTY. WIND GUSTS OF 60 MPH
OR GREATER ARE LIKELY WITH THIS LINE OF THUNDERSTORMS.

A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.

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 A 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, 1 hour 9 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, 1 hour 9 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.

Local storm report, Feb 26, 10:18 AM CST, 6 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW ORLEANS LOUISIANA
1018 AM CST THU FEB 26 1998

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....PARISH LOCATION....

0950 AM    INNIS                     LA   WIND DAMAGE
02/26/98   POINTE COUPEE                  SHERIFFS OFFICE REPORTED
                                          TWO TREES DOWN FROM
                                          THUNDERSTORM WIND GUSTS

1000 AM                              MS   WIND DAMAGE
02/26/98   WILKINSON                      SHERIFFS OFFICE REPORTED
                                          SEVEREAL TREES DOWN ON
                                          HIGHWAY 61 NORTH OF
                                          WOODVILLE

Local storm report, Feb 26, 10:18 AM CST, 6 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW ORLEANS LOUISIANA
1018 AM CST THU FEB 26 1998

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....PARISH LOCATION....

0950 AM    INNIS                     LA   WIND DAMAGE
02/26/98   POINTE COUPEE                  SHERIFFS OFFICE REPORTED
                                          TWO TREES DOWN FROM
                                          THUNDERSTORM WIND GUSTS

1000 AM                              MS   WIND DAMAGE
02/26/98   WILKINSON                      SHERIFFS OFFICE REPORTED
                                          SEVEREAL TREES DOWN ON
                                          HIGHWAY 61 NORTH OF
                                          WOODVILLE

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, 9:18 AM CST	Severe Thunderstorm Warning	LIX	Pointe Coupee, West Feliciana	72 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
Feb 26, 9:18 AM CST	Severe Thunderstorm Warning	LIX	Amite, Wilkinson	72 min
Feb 26, 2:26 PM CST	Tornado Warning	LIX	Walthall	34 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 1998 Severe Thunderstorm Warnings in Mississippi, 1998 Every 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.