Alert archive / Louisiana / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 15, NWS New Orleans, LA
NWS New Orleans, LA issued this severe thunderstorm warning at Mar 25, 1993, 2:44 PM CST for Saint Tammany Parish, Louisiana. It was in force for 31 min.
The area
The counties it named.
The facts
- Issued
- Mar 25, 1993, 2:44 PM CST (20:44 UTC)
- Expired
- Mar 25, 1993, 3:15 PM CST
- In force
- 31 min
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
County Saint Tammany Parish, LA
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 8.7 hours before the alert went out and 30 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
- 1 J/kg
- Mixed-layer CIN
- -132 J/kg
- Mixed-layer LCL
- 628 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 103 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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, Mar 25, 11:40 AM CST, 3 hours 4 minutes before
LAZ008>010-012>014-MSZ010>014-ALZ016-251900- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE NEW ORLEANS LA 1139 AM CST THU MAR 25 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 4 PM CST FOR ALL PARISHES IN SOUTHEAST LOUISIANA... AT 1125 AM CST...RADAR INDICATED A CLUSTER OF THUNDERSTORMS IN EXTREME SOUTHWEST MISSISSIPPI NEAR NATCHEZ AND EXTENDED SOUTH TO BETWEEN SIMMESPORT AND 20 MILES NORTHWEST OF BATON ROUGE LOUISIANA. MOVEMENT WAS SOUTHEAST AT 35 MILES AN HOUR AND THE BATON ROUGE AREA WILL BE AFFECTED WITHIN ABOUT 30 TO 45 MILES AN HOUR. OTHER SHOWERS AND THUNDERSTORMS WERE OVE EXTREME SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA BETWEEN HATTIESBURG AND GULFPORT MISSISSIPPI AND MOBILE ALABAMA. THESE SHOWERS AND THUNDERSTORMS WERE MOVING SOUTHEAST ABOUT 35 MILES AN HOUR. AN AREA OF SHOWERS AND THUNDERSTORMS WAS OVER THE LOUISIANA COASTAL WATERS FROM SOUTHWEST OF VERMILION BAY EAST TO THE MOUTVH OF THE MISSISSIPPI RIVER. MOVEMENT WAS EAST AT 35 MILES AN HOUR.
Special weather statement, Mar 25, 11:43 AM CST, 3 hours 1 minute before
LAZ008>010-012>014-MSZ010>014-ALZ016-251900- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY ...CORRECTED FOR WORDING... NATIONAL WEATHER SERVICE NEW ORLEANS LA 1139 AM CST THU MAR 25 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 4 PM CST FOR ALL PARISHES IN SOUTHEAST LOUISIANA... AT 1125 AM CST...RADAR INDICATED A CLUSTER OF THUNDERSTORMS IN EXTREME SOUTHWEST MISSISSIPPI NEAR NATCHEZ AND EXTENDED SOUTH TO BETWEEN SIMMESPORT AND 20 MILES NORTHWEST OF BATON ROUGE LOUISIANA. MOVEMENT WAS SOUTHEAST AT 35 MILES AN HOUR AND THE BATON ROUGE AREA WILL BE AFFECTED WITHIN ABOUT 30 TO 45 MINUTES. OTHER SHOWERS AND THUNDERSTORMS WERE OVER EXTREME SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA BETWEEN HATTIESBURG AND GULFPORT MISSISSIPPI AND MOBILE ALABAMA. THESE SHOWERS AND THUNDERSTORMS WERE MOVING SOUTHEAST ABOUT 35 MILES AN HOUR. AN AREA OF SHOWERS AND THUNDERSTORMS WAS OVER THE LOUISIANA COASTAL WATERS FROM SOUTHWEST OF VEPRMILION BAY EAST TO THE MOUTH OF THE MISSISSIPPI RIVER. MOVEMENT WAS EAST AT 35 MILES AN HOUR.
Special weather statement, Mar 25, 11:53 AM CST, 2 hours 51 minutes before
LAZ006-008-009-MSZ010-011-251900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BATON ROUGE LA 1150 AM CST THU MAR 25 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR EAST CENTRAL LOUISIANA AND SOUTHWEST MISSISSIPPI UNTIL 4 PN CST THIS AFTERNOON... RADAR SHOWED VERY STRONG THUNDERSTORMS CONTINUED MOVING ALONG THE LOUISIANA MISSISSIPPI BORDER FROM CLINTON TO NEAR LIBERTY MISSISSIPPI. THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 30 MPH. THESE THUNDERSTORMS HAVE PRODUCED HAIL TO MARBLE SIZE AS THEY MOVE ALONG. ELSEWHERE RAIN AND THUNDERSTORMS CONTINUED ALONG THE COAST SOUTH OF LAFAYETTE TO HOUMA. PEOPLE IN EAST CENTRAL LOUISIANA SHOULD BE ALERT TO POSSIBLE SEVERE THUNDERSTORMS DElVELOPING RAPIDLY AND MOVE TO A SAFE PLACE IF NEEDED.
Special weather statement, Mar 25, 1:06 PM CST, 1 hour 38 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, Mar 25, 1:35 PM CST, 1 hour 9 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, Mar 25, 2:03 PM CST, 41 minutes before
LAZ006-008-009-252100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BATON ROUGE LA 200 PM CST THU MAR 25 1993 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR ALL OF EAST CENTRAL LOUISIANA UNTIL 4 PM... RADAR SHOWED A CLUSTER OF THUNDERSTORMS OVER NORTHERN CATAHOULA PARISH EXTENDING WEST TO NATCHITOCHES. MOVEMENT WAS SOUTHEAST ABOUT 30 MPH. THESE THUNDERSTORMS WILL MOVE TO NORTHERN CONCORDIA PARISH WITHIN THE HALF HOUR. ELSEWHERE...A CLUSTER OF STRONG THUNDERSTORMS CONTINUED BETWEEN HAMMOND AND BOGALUSA LOUISIANA AND HATTIESBURG MISSISSIPPI...WITH SHOWERS DEVELOPING FROM THE BATON ROUGE METRO AREA WEST TO SIMMESPORT. A LARGE SOLID AREA OF RAIN AND A FEW THUNDERSTORMS CONTINUED ALONG THE COASTAL SECTIONS OF LOUISIANA FROM SOUTH OF ATCHAFALAYA TO GRAND ISLE. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE REVORABLE FOR THE RAPID DEVELOPMENT OF SEVERE THUNDERSTORMS... PRODUCING LARGE HAIL AND DAMAGING W8INDS. PEOPLE IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 25, 11:58 AM CST | Severe Thunderstorm Warning | LIX | Saint Helena | 62 min |
| Mar 25, 11:58 AM CST | Severe Thunderstorm Warning | LIX | East Feliciana | 37 min |
| Mar 25, 12:08 PM CST | Severe Thunderstorm Warning | LIX | Tangipahoa | 52 min |
| Mar 25, 12:26 PM CST | Severe Thunderstorm Warning | LIX | Saint Tammany, Washington | 64 min |
| Mar 25, 1:40 PM CST | Severe Thunderstorm Warning | LIX | Saint Tammany, Washington | 65 min |
| Mar 25, 3:06 PM CST | Severe Thunderstorm Warning | LIX | Concordia | 39 min |
| Mar 25, 4:04 PM CST | Severe Thunderstorm Warning | LIX | East Baton Rouge, Livingston, Saint Helena | 56 min |
| Mar 25, 4:31 PM CST | Severe Thunderstorm Warning | LIX | Tangipahoa | 59 min |
| Mar 25, 5:08 PM CST | Severe Thunderstorm Warning | LIX | Tangipahoa, Washington | 37 min |
| Mar 25, 5:44 PM CST | Severe Thunderstorm Warning | LIX | East Feliciana, Saint Helena | 61 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 1993Every severe thunderstorm warning in 1993
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.