Alert archive / Louisiana / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 81, NWS Lake Charles, LA

February 26, 1998Acadia Parish, Evangeline Parish, Saint Landry Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Feb 26, 1998, 8:43 AM CST for Acadia Parish, Evangeline Parish, Saint Landry Parish, Louisiana. It was in force for 62 min. 4 reports 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, 8:43 AM CST (14:43 UTC)
Expired: Feb 26, 1998, 9:45 AM CST
In force: 62 min
Issued by: NWS Lake Charles, LA
Area: Whole counties

Counties Acadia Parish, LA, Evangeline Parish, LA, Saint Landry Parish, LA

What was reported inside it

Time	Report	Where
Feb 26, 8:56 AM CST	Thunderstorm Wind	Ville Platte, LA
Feb 26, 9:08 AM CST	Tornado F1	St Landry, LA
Feb 26, 9:14 AM CST	Thunderstorm Wind	Washington, LA
Feb 26, 9:15 AM CST	Thunderstorm Wind	Iota, 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 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, 6:30 AM CST	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 2.7 hours before the alert went out and 100 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: 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

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.

NWS Lake Charles, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Feb 26, 2:20 AM CST, 6 hours 23 minutes earlier.

Area forecast discussion, Feb 26, 2:20 AM CST, 6 hours 23 minutes before

SOUTHEAST TEXAS..SOUTHWEST AND CENTRAL LOUISIANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
220 AM CST THU FEB 26 1998

APPROACHING SQUALL LINE WILL AFFECT N PORTIONS OF FA AND MAY BUILD
SOUTHWARD AS IT MOVES EAST. ALTHOUGH CURRENT RADAR TRENDS NOT SHOWING
ANY SOUTHWARD BUILDING. SVR WIND GUSTS AND SMALL HAIL A POSSIBILITY
AS THE LINE MOVES THROUGH. KLCH VWP SHOWING 45 TO 50 KT SE FLOW AT
2 KFT. LATEST SFC ANALYSIS INDICATING DW PTS IN LOWER 60S AHEAD OF
LINE...PROVIDING AN ABUNDANCE OF LLM. SFC LOW WILL WORK NE UP TX
COAST LATER THIS MORNING AS SFC TROF PUSHES EAST.

KHGX RADAR SHOWING SHOWERS AND THUNDERSTORMS BACK TO THE SW BEHIND
THE LINE AS ADDITIONAL ENERGY REMAINS BEHIND LEAD SHRT WV. FOR THIS
REASON WILL INCLUDE SCT POPS FOR BPT AREA FOR MORN ACTIVITY. IN
AGREEMENT WITH 94E...WHICH SHOWS FLASH FLOOD THREAT IN CEN LA
AND NORTHWARD WHICH IS IN AXIS OF BEST DYNAMICS COUPLED WITH DEEP
MOISTURE. DRYING WILL OCCUR BEHIND SFC TROF LATER THIS AFT. S PORTIONS
OF LA WILL LIKELY SEE BEST RAIN CHC LATER IN THE MORNING AS PACIFIC
FRONT MOVES THROUGH.  HIGH TEMPS SHOULD MAKE IT INTO THE 70S IN BREEZY
W FLOW THIS AFT. ANOTHER SFC TROF WILL APPROACH NW PORTIONS OF FA FRIDAY
NIGHT AND MAY ACT AS FOCUS FOR A FEW SHWRS IF ENOUGH MOISTURE IS PRESENT.

1

BPT 76/43/65 600
LCH 75/44/64 700
LFT 75/45/64 700
AEX 73/42/64 800

In the hours before

Local storm report, Feb 26, 7:30 AM CST, 1 hour 13 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
730 AM CST THU FEB 26 1998

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

730  AM    JEFFERSON CITY            TX   60 MPH TSTM GUST
02/26/98   JEFFERSON

Special weather statement, Feb 26, 8:40 AM CST, 3 minutes before

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Special weather statement, Feb 26, 8:40 AM CST, 3 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 Lake Charles, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 26, 7:30 AM CST	Severe Thunderstorm Warning	LCH	Cameron	60 min
Feb 26, 7:44 AM CST	Severe Thunderstorm Warning	LCH	Calcasieu	46 min
Feb 26, 8:15 AM CST	Severe Thunderstorm Warning	LCH	Jefferson Davis	60 min
Feb 26, 8:18 AM CST	Severe Thunderstorm Warning	LCH	Rapides	62 min
Feb 26, 9:06 AM CST	Tornado Warning	LCH	Avoyelles, Evangeline	64 min
Feb 26, 1:42 AM CST	Severe Thunderstorm Warning	LCH	Tyler	63 min
Feb 26, 5:59 AM CST	Severe Thunderstorm Warning	LCH	Tyler	46 min
Feb 26, 6:16 AM CST	Severe Thunderstorm Warning	LCH	Jasper	44 min
Feb 26, 6:47 AM CST	Severe Thunderstorm Warning	LCH	Newton	43 min
Feb 26, 6:57 AM CST	Severe Thunderstorm Warning	LCH	Jefferson	58 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 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.