Alert archive / Louisiana / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 53, NWS New Orleans, LA
NWS New Orleans, LA issued this severe thunderstorm warning at Apr 20, 1992, 10:08 AM CDT for Tangipahoa Parish, Louisiana. It was in force for 67 min.
The area
The counties it named.
The facts
- Issued
- Apr 20, 1992, 10:08 AM CDT (15:08 UTC)
- Expired
- Apr 20, 1992, 11:15 AM CDT
- In force
- 67 min
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
County Tangipahoa Parish, LA
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 3.1 hours before the alert went out and 80 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.
- Mixed-layer CAPE
- 1940 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 588 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 200 m²/s²
- 0-3 km storm-relative helicity
- 313 m²/s²
- Significant tornado parameter
- 2.4
- Supercell composite
- 14.0
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, Apr 20, 6:34 AM CDT, 3 hours 34 minutes before
LAZ006-008-009-201300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BATON ROUGE LA 635 AM CDT MON APR 20 1992 ...A TORNADO WATCH IS IN EFFECT UNTIL 1 PM FOR ALL OF EAST CENTRAL LOUISIANA... RADAR AT 635 AM SHOWED STRONG THUNDERSTORMS EXTENDING FROM ABBEVILLE TO LAFAYETTE...ST FRANCISVILLE AND WOODHAVEN MISSISSIPPI. OTHER SCATTERED THUNDERSTORMS FROM BATON ROUGE SOUTH TO DONALDSONVILLE... HOUMA AND TERREBONNE BAY. MOVEMENT WAS NORTHEAST AT 30 MILES PER HOUR. PEOPLE THROUGHOUT EAST CENTRAL LOUISIANA SHOULD BE ALERT TO POSSIBLE SEVERE WEATHER AND BE READY TO MOVE QUICKLY TO A SAFE PLACE IF NEEDED. HEAVY RAIN WITH STREET FLOODING LIKELY AS THUNDERSTORMS MOVE THROUGH THIS MORNING..W.WITH GUSTY WINDS AND HAIL.
Special weather statement, Apr 20, 6:36 AM CDT, 3 hours 32 minutes before
LAZ008>010-012>014-MSZ010>014-ALZ016-201300- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE NEW ORLEANS LA 635 AM CDT MON APR 20 1992 ...A TORNADO WATCH IS IN EFFECT UNTIL 7 AM CDT FOR THE FOLLOWING PARISHES IN SOUTHEAST LOUISIANA...ASSUMPTION...IBERIA...LOWER ST MARTIN...UPPER ST MARTIN...LAFOURCHE...ST MARY...ST JAMES...AND TANGIPAHOA... ...AT 7 AM CDT THE TORNADO WATCH WILL BE EXTENDED EAST TO INCLUDE ALL OF THE PARISHES IN SOUTHEAST LOUISIANA UNTIL 1 PM CDT THIS AFTERNOON... AT 630 AM...WEATHER RADAR INDICATED SEVERAL STRONG THUNDERSTORMS ACROSS SOUTH CENTRAL AND SOUTHEAST LOUISIANA EXTENDING INTO SOUTHWEST MISSISSIPPI. THE THUNDERSTORMS WITH THE HEAVIER RAINFALL WERE LOCATED OVER THIBODAUX... JUST SOUTH OF BATON ROUGE...AND IN THE SOUTHWEST CORNER OF MISSISSIPPI BETWEEN SIMMESPORT LOUISIANA AND MCCOMB MISSISSIPPI. THE THUNDERSTORMS WERE MOVING NORTHEAST AT 35 MILES AN HOUR.
Special weather statement, Apr 20, 7:35 AM CDT, 2 hours 33 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, Apr 20, 8:37 AM CDT, 1 hour 31 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, Apr 20, 9:11 AM CDT, 57 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, Apr 20, 9:51 AM CDT, 17 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 |
|---|---|---|---|---|
| Apr 20, 3:03 AM CDT | Severe Thunderstorm Warning | LIX | Saint Martin | 57 min |
| Apr 20, 3:36 AM CDT | Severe Thunderstorm Warning | LIX | Saint Landry | 69 min |
| Apr 20, 4:15 AM CDT | Severe Thunderstorm Warning | LIX | Pointe Coupee | 45 min |
| Apr 20, 4:31 AM CDT | Severe Thunderstorm Warning | LIX | East Feliciana, West Feliciana | 59 min |
| Apr 20, 7:10 AM CDT | Severe Thunderstorm Warning | LIX | Lafourche | 65 min |
| Apr 20, 7:32 AM CDT | Severe Thunderstorm Warning | LIX | Saint Tammany | 73 min |
| Apr 20, 7:52 AM CDT | Severe Thunderstorm Warning | LIX | East Feliciana, West Feliciana | 38 min |
| Apr 20, 8:19 AM CDT | Severe Thunderstorm Warning | LIX | Saint Tammany, Washington | 41 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 1992Every severe thunderstorm warning in 1992
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.