Alert archive / Louisiana / Tornado Warnings in 1992
Tornado Warning 20, NWS New Orleans, LA
NWS New Orleans, LA issued this tornado warning at Nov 1, 1992, 12:52 PM CST for Saint Martin Parish, Louisiana. It was in force for 38 min.
The area
The counties it named.
The facts
- Issued
- Nov 1, 1992, 12:52 PM CST (18:52 UTC)
- Expired
- Nov 1, 1992, 1:30 PM CST
- In force
- 38 min
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
County Saint Martin Parish, LA
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 6.9 hours before the alert went out and 184 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
- 226 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 676 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KNEW 011853 TORNEW LAC099-011930- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE NEW ORLEANS LA 1252 PM CST SUN NOV 1 1992 THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 130 PM CST FOR RESIDENTS IN THE FOLLOWING PARISHES... IN SOUTHEAST LOUISIANA ...EASTERN UPPER ST.MARTIN PARISH THE ST. MARTIN PARISH SHERIFF'S DEPARTMENT REPORTED THAT THEY HAD JUST RECEIVED INFORMATION THAT A TORNADO STRUCK NEAR CADE IN SOUTHWESTERN ST. MARTIN PARISH AT 1210 PM CST. ONE HOUSE TRAILER WAS DESTROYED AND SEVERAL VEHICLES BLOWN OFF THE ROAD. THE THUNDERSTORM THAT PRODUCED THIS TORNADO WAS LOCATED OVER EASTERN UPPER ST. MARTIN PARISH AT 1250 PM CST MOVING TOWARD THE EAST TO NORTHEAST AT 25 MPH. DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO. CARS ARE EASILY TOSSED AROUND BY TORNADO WINDS. IF YOU ARE CAUGHT IN THE PATH OF A TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING. IF NO STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT. &
What forecasters said that day
The local office's own words before this tornado 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, Nov 1, 10:39 AM CST, 2 hours 13 minutes before
LAZ009-011800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BATON ROUGE LA 1035 AM CST SUN NOV 1 1992 ...A STRONG THUNDERSTORM WAS MOVING TO A PART OF EAST CENTRAL LOUISIANA... RADAR SHOWED A STRONG THUNDERSTORM NEAR NEW IBERIA MOVING RAPIDLY NORTHEAST. THIS STORM WILL MOVE TO SOUTHERN IBERVILLE PARISH WITHIN THE HOUR. THIS STORM WILL PRODUCE STRONG GUSTY WIND...BRIEF VERY HEAVY RAIN AND POSSIBLY SOME HAIL AS IT MOVES THROUGH.
Special weather statement, Nov 1, 11:16 AM CST, 1 hour 36 minutes before
LAZALL-012300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 1115 AM CST SUN NOV 1 1992 ...OUTBREAK OF SEVERE WEATHER INCLUDING POSSIBLE TORNADOES EXPECTED OVER LARGE AREAS OF LOUISIANA TODAY AND TONIGHT... A STRENGTHENING STORM SYSTEM MOVING EAST FROM THE SOUTHERN GREAT PLAINS IS EXPECTED TO SET OFF AN OUTBREAK OF SEVERE WEATHER ACROSS THE LOWER MISSISSIPPI VALLEY TODAY. A TORNADO WATCH IS CURRENTLY IN EFFECT UNTIL 6 PM CST FOR ALL OF SOUTH-CENTRAL AND SOUTHEASTERN LOUISIANA. ADDITIONALLY A FLASH FLOOD WATCH IS IN EFFECT THROUGH THIS AFTERNOON FOR SOUTHWESTERN AND SOUTH- CENTRAL LOUISIANA. < ALL PERSONS IN LOUISIANA ARE URGED TO REVIEW SAFETLY RULES AND LISTENJ TO RADIO TELEVISON AND NOAA WEATHER RADIO FOR LATER DEVELOPMENTS IN THIS POTENTIALLY DANGEROUS WEATHER SITUATION.
Special weather statement, Nov 1, 11:43 AM CST, 1 hour 9 minutes before
LAZ008>010-012>014-MSZ010>014-ALZ016-011900- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE NEW ORLEANS LA 1140 AM CST SUN NOV 1 1992 ...A TORNADO WATCH IS IN EFFECT UNTIL 6 PM FOR ALL OF THE PARISHES IN SOUTHEAST LOUISIANA... AT 1130 AM...A LARGE AREA OF MOSTLY LIGHT RAIN WITH EMEBEDED SCATTERED SHOWERS AND A FEW THUNDERSTORMS CONTINUED OVER ALL OF SOUTH CENTRAL LOUISIANA...THE WEST PORTION OF SOUTHEAST LOUISIANA AND EXTENDED NORTHWARD INTO SOUTHERN MISSISSIPPI. THE THUNDERSTORM WITH THE HEAVIEST RAINFALL WAS 20 MILES NORTHEAST OF NEW IBERIA. WIDELY SCATTERED SHOWERS HAVE DEVELOPE OVER THE COASTAL WATERS OF SOUTH- EAST LOUISIANA AND MISSISSIPPI MOSTLY IN THE AREA AROUND THE CHANDELEUR ISLANDS. THE PRECIPITATION WAS MOVING TO THE NORTHEAST AT 30 MILES AN HOUR.
Special weather statement, Nov 1, 11:59 AM CST, 53 minutes before
LAZ006-008-009-011900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BATON ROUGE LA 1155 AM CST SUN NOV 1 1992 ...A TORNADO WATCH IS IN EFFECT UNTIL 6PM FOR PEOPLE IN EAST BATON ROUGE AND SURROUNDING PARISHES AND FOR AVOYELLES AND ST. LANDRY PARISHES OF EAST CENTRAL LOUISIANA... ...A FLASH FLOOD WATCH REMAINS IN EFFECT THIS AFTERNOON FOR PEOPLE IN ST. LANDRY PARISH OF EAST CENTRAL LOUISIANA... RADAR SHOWED A SOLID LINE OF STRONG THUNDERSTORMS FROM SOUTH BATON ROUGE...SOUTHWEST ACROSS NEW IBERIA AND LAFYETTE...CONTINUING SOUTHWEST ACROSS THE COASTAL WATERS. MOVEMENT WAS EAST ABOUT 30 MPH. THE STRONGER THUNDERSTORMS WILL PRODUCE BRIEF VERY HEAVY RAIN CAUSING TEMPORARY FLOODING OF STREETS...UNDERPASSES AND LOW LYING AREAS AS THEY MOVE THROUGH IBERVILLE...EAST AND WEST BATON ROUGE...ASCENSION AND LIVINGSTON PARISHES DURING THE NEXT ONE TO TWO HOURS. < ELSEWHERE...A SOLID AREA OF RAIN AND A FEW THUNDERSTORMS CONTINUED FROM SOUTHWEST MISSISSIPPI AND NORTHEAST LOUISIANA...EXTENDING SOUTHWEST TO BETWEEN BATON ROUGE AND LAKE CHARLES. THIS AREA WAS MOVING EAST ABOUT 30 MPH. REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS TO DEVELOPE RAPIDLY IN AND CLOSE TO THE WATCH AREA. PEOPLE IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Nov 1, 12:37 PM CST, 15 minutes before
LAZ008>010-012>014-MSZ010>014-ALZ016-012000- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE NEW ORLEANS LA 1235 PM CST SUN NOV 1 1992 ...A TORNADO WATCH IS IN EFFECT UNTIL 6 PM FOR ALL OF THE PARISHES IN SOUTHEAST LOUISIANA AND ADJACENT COASTAL WATERS... AT 1230 PM...A LARGE AREA OF MOSTLY LIGHT RAIN WITH EMEBEDED SCATTERED SHOWERS AND A FEW THUNDERSTORMS CONTINUED OVER ALL OF SOUTH CENTRAL LOUISIANA...THE WEST PORTION OF SOUTHEAST LOUISIANA AND EXTENDED NORTHWARD INTO SOUTHERN MISSISSIPPI. MOST OF THE PRECIPITATION WAS WEST OF THE GREATER NEW ORLEANS AREA AND NORTH OF BOGALOUSA. THE THUNDERSTORM WITH THE HEAVIEST RAINFALL WAS OVER NEW IBERIA. WIDELY SCATTERED SvHOWERS WERE OCCURRING OVER THE MISSISSIPPI AND ALABAMA COASTAL WATERS. THE PRECIPITATION WAS MOVING TO THE NORTHEAST AT 30 MILES AN HOUR.
Special weather statement, Nov 1, 12:50 PM CST, 2 minutes before
LAZ006-008-009-011900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BATON ROUGE LA 1250 PM CST SUN NOV 1 1992 ...A TORNADO WATCH IS IN EFFECT UNTIL 6PM FOR PEOPLE IN EAST BATON ROUGE AND SURROUNDING PARISHES AND FOR AVOYELLES AND ST. LANDRY PARISHES OF EAST CENTRAL LOUISIANA... ...A FLASH FLOOD WATCH REMAINS IN EFFECT THIS AFTERNOON FOR PEOPLE IN ST. LANDRY PARISH OF EAST CENTRAL LOUISIANA... RADAR SHOWED A SOLID LINE OF STRONG THUNDERSTORMS FROM THE NEW ROADS/ ST. FRANCISVILLE AREA...SOUTHWEST ACROSS NORTHERN IBERVILLE PARISH... CONTINUING SOUTHWEST ACROSS THE COASTAL WATERS. MOVEMENT WAS EAST ABOUT 30 MPH. THE STRONGER THUNDERSTORMS WILL PRODUCE BRIEF VERY HEAVY RAIN CAUSING TEMPORARY FLOODING OF STREETS...UNDERPASSES AND LOW LYING AREAS AS THEY MOVE THROUGH EAST BATON ROUGE AND SURROUNDING PARISHES DURING THE NEXT TWO TO THREE HOURS. ELSEWHERE...A SOLID AREA OF RAIN AND A FEW THUNDERSTORMS CONTINUED FROM SOUTHWEST MISSISSIPPI AND NORTHEAST LOUISIANA...EXTENDING SOUTHWEST TO BETWEEN NEW ORLEANS...BATON ROUGE AND LAKE CHARLES TO THE COASTAL WATERS...MOVING EAST. REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS TO DEVELOPE RAPIDLY IN AND CLOSE TO THE WATCH AREA. 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 |
|---|---|---|---|---|
| Nov 1, 10:30 AM CST | Severe Thunderstorm Warning | LIX | Iberia, Saint Martin | 60 min |
| Nov 1, 3:13 PM CST | Severe Thunderstorm Warning | LIX | Saint James, Saint John the Baptist | 62 min |
Nearby
Tornado Warnings in Louisiana, 1992Every tornado warning in 1992Tornadoes 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.