Alert archive / Louisiana / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 40, NWS New Orleans, LA
NWS New Orleans, LA issued this severe thunderstorm warning at Mar 25, 1992, 11:01 AM CST for Jefferson Parish, Orleans Parish, Saint Charles Parish, Louisiana. It was in force for 59 min. 1 report 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
- Mar 25, 1992, 11:01 AM CST (17:01 UTC)
- Expired
- Mar 25, 1992, 12:00 PM CST
- In force
- 59 min
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
Counties Jefferson Parish, LA, Orleans Parish, LA, Saint Charles Parish, LA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 25, 11:55 AM CST | Hail 0.75 | Jefferson, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 5.0 hours before the alert went out and 58 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1266 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 291 m²/s²
- 0-3 km storm-relative helicity
- 393 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, 7:03 AM CST, 3 hours 58 minutes before
LAZ006-008-009-251500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BATON ROUGE LA 705 AM CST WED MAR 25 1992 ...THUNDERSTORMS WITH HEAVY RAIN MOVING ACROSS PARTS OF EAST CENTRAL LOUISIANA... RADAR SHOWED SHOWERS AND THUNDERSTORMS...SOME WITH VERY HEAVY RAIN... FROM SOUTH OF ALEXANDRIA EXTENDING ACROSS PARTS OF AVOYELLES... CATAHOULA AND CONCORDIA PARISHES. THE STRONGEST THUNDERSTORMS WERE SHOWN FROM NEAR VICK IN AVOYELLES PARISH TO FERRIDAY AND VIDALIA. MOVEMENT WAS EAST AT 35 MPH. PEOPLE IN THE AFFECTED PARISHES CAN EXPECT STRONG GUSTY WINDS...VERY HEAVY RAIN WITH FLOODING OF STREETS AND OTHER LOW LYING AREAS... DANGEROUS LIGHTNING AND POSSIBLY SOME SMALL HAIL FOR THE NEXT SEVERAL HOURS.
Special weather statement, Mar 25, 9:20 AM CST, 1 hour 41 minutes before
LAZ010-013-014-251615- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 919 AM CST WED MAR 25 1992 AT 915 AM CST WEATHER SERVICE RADAR SHOWED A LINE OF NUMEROUS THUNDERSTORMS EXTENDING FROM MCCOMB MISSISSIPPI TO BATON ROUGE. THE LINE OF THUNDERSTORMS ARE MOVING SOUTHEAST ABOUT 25 MILES AN HOUR. THESE THUNDERSTORMS PRODUCED NUMEROUS REPORTS OF GOLFBALL SIZE HAIL IN WEST FELICIANA AND POINT COUPEE PARISHES EARLIER THIS MORNING. RADAR CONTINUES SHOW MORE THUNDERSTORMS DEVELOPING JUST TO THE WEST OF BATON ROUGE. IT IS LIKELY THAT SEVERE THUNDERSTORM WARNINGS MAY BE NEEDED FOR TANGIPAHOA...WASHINGTON AND ST TAMMANY PARISHES WITHIN THE NEXT ONE TO TWO HOURS. A SEVERE rTHUNDERSTORM WATCH REMAINS IN EFFECT FOR ALL OF SOUTHEAST LOUISIANA UNTIL 1 PM CST THIS AFTERNOON.
The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 25, 7:39 AM CST | Severe Thunderstorm Warning | LIX | Avoyelles, Pointe Coupee, West Feliciana | 66 min |
| Mar 25, 8:22 AM CST | Severe Thunderstorm Warning | LIX | Pointe Coupee, West Feliciana | 53 min |
| Mar 25, 8:48 AM CST | Severe Thunderstorm Warning | LIX | East Baton Rouge, West Baton Rouge | 57 min |
| Mar 25, 9:33 AM CST | Severe Thunderstorm Warning | LIX | Ascension, Livingston | 57 min |
| Mar 25, 10:11 AM CST | Severe Thunderstorm Warning | LIX | Saint James, Saint John the Baptist | 64 min |
| Mar 25, 10:23 AM CST | Severe Thunderstorm Warning | LIX | Ascension, Livingston | 37 min |
| Mar 25, 11:38 AM CST | Severe Thunderstorm Warning | LIX | Orleans, Plaquemines, Saint Bernard | 67 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.