Alert archive / Louisiana / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 74, NWS New Orleans, LA

February 26, 1998Washington Parish, Louisiana; Walthall County, Mississippi

NWS New Orleans, LA issued this severe thunderstorm warning at Feb 26, 1998, 2:16 PM CST for Washington Parish, Louisiana; Walthall County, Mississippi. It was in force for 49 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, 2:16 PM CST (20:16 UTC)
Expired: Feb 26, 1998, 3:05 PM CST
In force: 49 min
Issued by: NWS New Orleans, LA
Area: Whole counties

Counties Washington Parish, LA, Walthall County, MS

What was reported inside it

Time	Report	Where	Remark
Feb 26, 2:35 PM CST	Hail 0.75	Tylertown, MS

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, 8.3 hours before the alert went out and 91 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

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, 5 hours 1 minute 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, 3 hours 58 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, 3 hours 58 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

Special weather statement, Feb 26, 1:45 PM CST, 31 minutes before

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Special weather statement, Feb 26, 1:45 PM CST, 31 minutes before

<!doctype html>
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<head>
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  <meta name="viewport" content="width=device-width, initial-scale=1">
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</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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      <p id="message2">
        Please try again in a few minutes.
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Local storm report, Feb 26, 2:08 PM CST, 8 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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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	East Feliciana, Saint Helena	66 min
Feb 26, 10:24 AM CST	Severe Thunderstorm Warning	LIX	Tangipahoa	66 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.