Alert archive / Louisiana / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 20, NWS New Orleans, LA
NWS New Orleans, LA issued this severe thunderstorm warning at Jan 24, 1997, 11:05 AM CST for Jefferson Parish, Orleans Parish, Louisiana. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jan 24, 1997, 11:05 AM CST (17:05 UTC)
- Expired
- Jan 24, 1997, 11:45 AM CST
- In force
- 40 min
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
Counties Jefferson Parish, LA, Orleans Parish, LA
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 5.1 hours before the alert went out and 272 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
- 543 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 578 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 330 m²/s²
- 0-3 km storm-relative helicity
- 342 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 4.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KNEW 241705 RRA SVRNEW LAC051-071-241745- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NEW ORLEANS LA 1105 AM CST FRI JAN 24 1997 THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1145 AM CST FOR RESIDENTS IN THE FOLLOWING LOCATIONS... IN SOUTHEAST LOUISIANA ...NORTHERN JEFFERSON PARISH...ORLEANS PARISH AT 1105AM CST RADAR INDICATED A SEVERE THUNDERSTORM MOVING INTO NORTHERN JEFFERSON PARISH JUST SOUTH OF KENNER AND TO THE WEST OF HARAHAN. CURRENT MOVEMENT OF THE THUNDERSTORM WAS EAST NORTHEAST AT 30 MPH. THIS STORM SHOULD REACH METARIE AROUND 1120 AM AND NEW ORLEANS AROUND 1130 AM. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T D>RIVE INTO AREAS WHERE WATER COVERS THE ROAD.
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 24, 8:25 AM CST, 2 hours 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW ORLEANS LOUISIANA
820 AM CST FRI JAN 24 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....PARISH LOCATION....
0520 AM 13 N PICAYUNE MS WIND DAMAGE
01/24/97 PEARL RIVER TREES DOWN NEAR I-59.
REPORTED BY POLICE.
0610 AM LAFITTE LA WIND DAMAGE
01/24/97 JEFFERSON *** 2 INJ ***
THUNDERSTORM WIND GUST OR
POSSIBLE TORNADO
OVERTURNED TRAILER AND
KNOCKED DOWN SHEDS.
REPORTED BY LAFITTE FIRE
DEPARTMENT.
0640 AM SAUCIER MS 1.75 INCH HAIL
01/24/97 HARRISON REPORTED BY SHERIFFS
OFFICE.
0640 AM LYMAN MS WIND DAMAGE
01/24/97 HARRISON TREES DOWN NORTH OF
f HIGHWAY 53. REPORTED BY
SHERIFFS OFFICE.Special weather statement, Jan 24, 9:08 AM CST, 1 hour 57 minutes before
LAZ061-068-059-067-063-069-064-070-241545- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 908 AM CST FRI JAN 24 1997 ...SEVERE THUNDERSTORM WARNINGS CANCELLED FOR PLAQUEMINES...JEFFERSON ...LAFOURCHE AND ST. BERNARD PARISHES... AT 905AM CST...WEATHER RADAR INDICATED THAT THE THUNDERSTORMS OVER THE AREA HAVE DIMINISHED BELOW SEVERE LEVELS. THEREFORE THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED.
Special weather statement, Jan 24, 9:27 AM CST, 1 hour 38 minutes before
LAZ061-068-059-067-062-063-069-064-070-065-066-MSZ080-081-082-241630- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 927 AM CST FRI JAN 24 1997 ...TORNADO WATCH CANCELLED ACROSS MUCH OF SOUTHEAST LOUISIANA AND THE ALL OF THE MISSISSIPPI GULF COAST... THE TORNADO WATCH HAS BEEN CANCELLED WEST OF A PASCAGOULA-DELACROIX- PORT FOUCHON LINE. THUNDERSTORMS IN MISSISSIPPI HAVE MOVED TO THE EAST INTO SOUTH ALABAMA AND THE FLORIDA PANHANDLE. THUNDERSTORMS IN SOUTHEAST LOUISIANA HAVE DECREASED. CURRENT THUNDERSTORM ACTIVITY COVERS PART OF SOUTHEAST LOUISIANA FROM HOUMA LOUISIANA EAST TO LOWER ST BERNARD PARISH. THIS ACTIVITY IS EXPECTED TO DIMINISH OVER THE NEXT HOUR.
Special weather statement, Jan 24, 9:29 AM CST, 1 hour 36 minutes before
LAZ061-068-059-067-062-063-069-064-070-065-066-MSZ080-081-082-241630- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 927 AM CST FRI JAN 24 1997 ...TORNADO WATCH CANCELLED ACROSS MUCH OF SOUTHEAST LOUISIANA AND THE ALL OF THE MISSISSIPPI GULF COAST... THE TORNADO WATCH HAS BEEN CANCELLED WEST OF A PASCAGOULA-DELACROIX- PORT FOUCHON LINE. THUNDERSTORMS IN MISSISSIPPI HAVE MOVED TO THE EAST INTO SOUTH ALABAMA AND THE FLORIDA PANHANDLE. THUNDERSTORMS IN SOUTHEAST LOUISIANA HAVE DECREASED. CURRENT THUNDERSTORM ACTIVITY COVERS PART OF SOUTHEAST LOUISIANA FROM HOUMA LOUISIANA EAST TO LOWER ST BERNARD PARISH. THIS ACTIVITY IS EXPECTED TO DIMINISH OVER THE NEXT HOUR. .
Special weather statement, Jan 24, 10:28 AM CST, 37 minutes before
LAZ063-069-064-070-241730- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 1028 AM CST FRI JAN 24 1997 ...TORNADO WATCH EXPIRED OVER REMAINDER OF SOUTHEAST LOUISIANA... THE TORNADO WATCH FOR SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI HAS EXPIRED. MORE WIDELY SCATTERED THUNDERSTORM ACTIVITY CONTINUES ACROSS SOUTHEAST LOUISIANA TO THE SOUTHEAST OF A SLIDELL-LA PLACE-MORGAN CITY LINE.
Special weather statement, Jan 24, 10:32 AM CST, 33 minutes before
LAZ063-069-064-070-241730- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 1028 AM CST FRI JAN 24 1997 ...TORNADO WATCH EXPIRED OVER REMAINDER OF SOUTHEAST LOUISIANA... THE TORNADO WATCH FOR SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI HAS EXPIRED. MORE WIDELY SCATTERED THUNDERSTORM ACTIVITY CONTINUES ACROSS SOUTHEAST LOUISIANA TO THE SOUTHEAST OF A SLIDELL-LA PLACE-MORGAN CITY LINE.
The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 24, 4:22 AM CST | Severe Thunderstorm Warning | LIX | Washington | 68 min |
| Jan 24, 4:35 AM CST | Severe Thunderstorm Warning | LIX | Saint Tammany | 55 min |
| Jan 24, 4:43 AM CST | Severe Thunderstorm Warning | LIX | Lafourche, Terrebonne | 62 min |
| Jan 24, 6:21 AM CST | Severe Thunderstorm Warning | LIX | Plaquemines, Saint Bernard | 69 min |
| Jan 24, 6:59 AM CST | Severe Thunderstorm Warning | LIX | Lafourche, Terrebonne | 61 min |
| Jan 24, 8:17 AM CST | Severe Thunderstorm Warning | LIX | Jefferson, Plaquemines, Saint Bernard | 58 min |
| Jan 24, 8:17 AM CST | Severe Thunderstorm Warning | LIX | Lafourche | 58 min |
| Jan 24, 10:38 AM CST | Severe Thunderstorm Warning | LIX | Saint Charles | 37 min |
| Jan 24, 11:44 AM CST | Severe Thunderstorm Warning | LIX | Orleans, Saint Bernard | 46 min |
| Jan 24, 12:14 PM CST | Severe Thunderstorm Warning | LIX | Jefferson, Saint Charles | 46 min |
| Jan 24, 12:40 PM CST | Severe Thunderstorm Warning | LIX | Orleans | 65 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 1997Every severe thunderstorm warning in 1997
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.