Alert archive / Louisiana / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 52, NWS New Orleans, LA

May 7, 1994East Baton Rouge Parish, Louisiana

NWS New Orleans, LA issued this severe thunderstorm warning at May 7, 1994, 10:07 PM CDT for East Baton Rouge Parish, Louisiana. It was in force for 31 min.

The area

The counties it named.

The facts

Issued: May 7, 1994, 10:07 PM CDT (03:07 UTC)
Expired: May 7, 1994, 10:38 PM CDT
In force: 31 min
Issued by: NWS New Orleans, LA
Area: Whole counties

County East Baton Rouge Parish, LA

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 3.1 hours before the alert went out and 138 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: 1422 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 976 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 28 m²/s²
0-3 km storm-relative helicity: 82 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 1.7

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, May 7, 8:35 PM CDT, 1 hour 32 minutes before

LAZ038>040-045-046-049>070-LAZ501-LAZ502-080240-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE NEW ORLEANS LA
835 PM CDT SAT MAY 7 1994

...SPECIAL MARINE WARNING IN EFFECT FOR LAKES PONTCHARTRAIN AND
   MAUREPAS UNTIL 10 PM CDT...

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 2 AM CDT FOR ALL OF
   SOUTHEAST LOUISIANA...

AT 830 PM...RADAR INDICATED SCATTERED SHOWERS AND THUNDERSTORMS...SOME
OF WHICH WERE STRONG WITH HEAVY RAINFALL...CONTINUING FROM SIMMESPORT
AND OPELOUSAS LOUISIANA SOUTHEAST TO MANDEVILLE AND LAKE PONTCHARTRAIN.
THE STRONGEST STORMS WERE LOCATED BETWEEN SIMMESPORT AND OPELOUSAS...AS
WELL AS OVER THE NORTH PORTION OF LAKE PONTCHARTRAIN.  THESE THUNDERSTORMS
MAY PRODUCE HAIL...DANGEROUS LIGHTNING...STRONG GUSTY WINDS WITH HEAVY
RAINFALL AND HIGHER WAVES ON THE LAKES...AS WELL AS THE POSSIBILITY OF
WATERSPOUTS.  SMALL CRAFT SHOULD SEEK SAFE HARBOR IMMEDIATELY.  THESE
THUNDERSTORMS WERE MOVING SOUTHEAST AT 25 MILES AN HOUR.

Special weather statement, May 7, 8:41 PM CDT, 1 hour 26 minutes before

LAZ038>040-045-046-049>070-LAZ501-LAZ502-080240-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE NEW ORLEANS LA
835 PM CDT SAT MAY 7 1994

...SPECIAL MARINE WARNING IN EFFECT FOR LAKES PONTCHARTRAIN AND
   MAUREPAS UNTIL 10 PM CDT...

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 2 AM CDT FOR ALL OF
   SOUTHEAST LOUISIANA...

AT 830 PM...RADAR INDICATED SCATTERED SHOWERS AND THUNDERSTORMS...SOME
OF WHICH WERE STRONG WITH HEAVY RAINFALL...CONTINUING FROM SIMMESPORT
AND OPELOUSAS LOUISIANA SOUTHEAST TO MANDEVILLE AND LAKE PONTCHARTRAIN.
THE STRONGEST STORMS WERE LOCATED BETWEEN SIMMESPORT AND OPELOUSAS...AS
WELL AS OVER THE NORTH PORTION OF LAKE PONTCHARTRAIN.  THESE THUNDERSTORMS
MAY PRODUCE HAIL...DANGEROUS LIGHTNING...STRONG GUSTY WINDS WITH HEAVY
RAINFALL AND HIGHER WAVES ON THE LAKES...AS WELL AS THE POSSIBILITY OF
WATERSPOUTS.  SMALL CRAFT SHOULD SEEK SAFE HARBOR IMMEDIATELY.  THESE
THUNDERSTORMS WERE MOVING SOUTHEAST AT 25 MILES AN HOUR.

Special weather statement, May 7, 9:39 PM CDT, 28 minutes before

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Special weather statement, May 7, 9:40 PM CDT, 27 minutes before

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<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.
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        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
May 7, 7:28 PM CDT	Severe Thunderstorm Warning	LIX	Avoyelles	62 min
May 7, 7:57 PM CDT	Severe Thunderstorm Warning	LIX	Concordia	33 min
May 7, 8:27 PM CDT	Severe Thunderstorm Warning	LIX	Pointe Coupee, West Feliciana	63 min
May 7, 9:14 PM CDT	Severe Thunderstorm Warning	LIX	East Baton Rouge, West Baton Rouge	46 min
May 7, 9:14 PM CDT	Severe Thunderstorm Warning	LIX	East Feliciana	39 min
May 7, 10:07 PM CDT	Severe Thunderstorm Warning	LIX	Ascension, Livingston	68 min
May 7, 10:16 PM CDT	Severe Thunderstorm Warning	LIX	Saint James, Saint John the Baptist	59 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.