Alert archive / Louisiana / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 3, NWS New Orleans, LA

January 27, 1994Saint Martin Parish, Louisiana

NWS New Orleans, LA issued this severe thunderstorm warning at Jan 27, 1994, 1:22 AM CST for Saint Martin Parish, Louisiana. It was in force for 53 min.

The area

The counties it named.

The facts

Issued: Jan 27, 1994, 1:22 AM CST (07:22 UTC)
Expired: Jan 27, 1994, 2:15 AM CST
In force: 53 min
Issued by: NWS New Orleans, LA
Area: Whole counties

County Saint Martin Parish, LA

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 7.4 hours before the alert went out and 184 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: 108 J/kg
Mixed-layer CIN: -42 J/kg
Mixed-layer LCL: 537 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 92 m²/s²
0-3 km storm-relative helicity: 150 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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

Local storm report, Jan 26, 10:30 PM CST, 2 hours 52 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1130 PM CDT WED JAN 26 1994

DATE       TIME CST    PARISH            EVENT

01/26/94   1120PM   UPR ST. MARTIN, LA   CHANNEL 10 IN ST MARTINSVILLE
                                         REPORTED GOLF BALL SIZE HAIL.
01/26/94   1130PM   UPR ST. MARTIN, LA   BREAUX BRIDGE...SHERIFF REPORT
                                         ...HAIL OF UNDETERMINED SIZE.

Special weather statement, Jan 26, 10:35 PM CST, 2 hours 47 minutes before

LAZ038>040-045-053>070-LAZ502-LAZ501-ALZ501-270535-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1035 PM CST WED JAN 26 1994

A CLUSTER OF THUNDERSTORMS WITH VERY HEAVY RAIN WAS JUST TO THE WEST AND
SOUTHWEST OF LAFAYETTE LOUISIANA MOVING NORTHEAST AT 30 MILES AN HOUR.
THESE THUNDERSTORMS WILL PRODUCE STRONG GUSTY WINDS...FREQUENT LIGHTNING...
AND VERY HEAVY RAIN AS THEY MOVE RAPIDLY NORTHEAST. THE AREA OF LIGHT RAIN
AND THUNDERSTORMS EXTENDED NORTHEAST TO BETWEEN SIMMESPORT AND BATON
ROUGE.

Special weather statement, Jan 26, 11:22 PM CST, 2 hours before

LAZ029-033>037-046>050-270700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BATON ROUGE LA
1120 PM CST WED JAN 26 1993

...STRONG THUNDERSTORMS MOVING INTO SOUTHERN ST LANDRY AND IBERVILLE
PARISHES OF EAST CENTRAL LOUISIANA...

RADAR SHOWED STRONG THUNDERSTORMS SOUTH OF LAFAYETTE TO NEAR EUNICE MOVING
NORTHEAST AT 30 MPH.  PUBLIC REPORTED PEA TO MARBLE SIZE HAIL NEAR
LAFAYETTE.

THESE THUNDERSTORMS WILL PRODUCE STRONG GUSTY WIND WITH PERIO.DS OF
HEAVY RAIN AND HAIL POSSIBLE.

Local storm report, Jan 27, 12:33 AM CST, 49 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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Special weather statement, Jan 27, 12:35 AM CST, 47 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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Special weather statement, Jan 27, 12:45 AM CST, 37 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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

Everything else NWS New Orleans, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 26, 11:02 PM CST	Severe Thunderstorm Warning	LIX	Saint Martin	58 min
Jan 27, 12:07 AM CST	Severe Thunderstorm Warning	LIX	West Baton Rouge	68 min
Jan 27, 1:40 AM CST	Severe Thunderstorm Warning	LIX	Iberia, Saint Martin	65 min
Jan 27, 4:30 AM CST	Severe Thunderstorm Warning	LIX	Saint Tammany, Washington	60 min
Jan 27, 10:17 AM CST	Flash Flood Warning	LIX	East Feliciana, Saint Helena	93 min
Jan 27, 10:17 AM CST	Flash Flood Warning	LIX	West Feliciana	93 min
Jan 27, 4:00 PM CST	Flash Flood Warning	LIX	Avoyelles	4 hr
Jan 27, 5:32 PM CST	Flash Flood Warning	LIX	East Feliciana, Saint Helena, West Feliciana	4 hr
Jan 27, 5:47 PM CST	Severe Thunderstorm Warning	LIX	East Baton Rouge, East Feliciana, Saint Helena, West Baton Rouge	58 min
Jan 27, 5:47 PM CST	Severe Thunderstorm Warning	LIX	Iberville	58 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 1994 Every severe thunderstorm warning in 1994

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.