Alert archive / Louisiana / Tornado Warnings in 1993
Tornado Warning 4, NWS New Orleans, LA
NWS New Orleans, LA issued this tornado warning at Dec 13, 1993, 5:04 PM CST for Saint Tammany Parish, Louisiana. It was in force for 26 min.
The area
The counties it named.
The facts
- Issued
- Dec 13, 1993, 5:04 PM CST (23:04 UTC)
- Expired
- Dec 13, 1993, 5:30 PM CST
- In force
- 26 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, 11.1 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 889 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 274 m²/s²
- 0-3 km storm-relative helicity
- 424 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KNEW 132309 TORNEW LAC103-132330- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE NEW ORLEANS LA 504 PM CST MON DEC 13 1993 THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 530 PM CST FOR RESIDENTS IN THE FOLLOWING PARISHES... IN SOUTHEAST LOUISIANA ...EXTREME SOUTHEASTERN ST.TAMMANY PARISH AT 5 PM A FUNNEL CLOUD WAS REPORTED OVER SLIDELL. THESE STORMS ARE MOVING NORTHEAST AROUND 40 MILES AN HOUR AND WILL MOVE OUT OF LOUISIANA DURING THE NEXT HALF HOUR. THIS IS A DANGEROUS STORM SITUATION. ACT QUICKLY. IF YOU ARE IN THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF AVAILABLE. OTHERWISE...GO TO A SMALL INTERIObR ROOM ON THE LOWEST FLOOR POSSIBLE. AVOID WINDOWS. ABANDON CARS AND MOBILE HOMES FOR A REINFORCED BUILDING OR GET INTO A DITCH OR CULVERT.
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, Dec 13, 11:40 AM CST, 5 hours 24 minutes before
LAZ038>040-045-053>070-LAZ502-LAZ501-ALZ501-131900- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE NEW ORLEANS LA 1140 AM CST MON DEC 13 1993 ...TORNADO WATCH IN EFFECT UNTIL NOON CST FOR THE FOLLOWING PARISHES... IN SOUTHEAST LOUISIANA: ASSUMPTION...IBERIA...LAFOURCHE...ST JAMES...ST JOHN THE BAPTIST... LOWER AND UPPER ST MARTIN...ST MARY...TERREBONNE... AS WELL AS THE ADJOINING COASTAL WATERS OF IBERIA...LAFOURCHE...ST MARY AND TERREBONNE PARISHES. AT 1130 AM...RADAR INDICATED NUMEROUS PATCHES OF LIGHT RAIN WITH SOME EMBEDDED RAIN SHOWERS OVER PORTIONS OF SOUTHERN LOUISIANA BETWEEN LAFAYETTE AND HOUMA...EXTENDING NORTHEAST TO BETWEEN JACKSON AND HATTIESBURG MISSISSIPPI. SCATTERED RAIN SHOWERS CONTINUED FROM NEW ORLEANS SOUTH TO GRAND ISLE LOUISIANA...AND BETWEEN BAY ST LOUIS AND WIGGINS MISSISSIPPI. MOVEMENT WAS RAPIDLY NORTHEAST.
Special weather statement, Dec 13, 11:40 AM CST, 5 hours 24 minutes before
LAZ038>040-045-053>070-LAZ502-LAZ501-ALZ501-131900- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE NEW ORLEANS LA 1140 AM CST MON DEC 13 1993 ...TORNADO WATCH IN EFFECT UNTIL NOON CST FOR THE FOLLOWING PARISHES... IN SOUTHEAST LOUISIANA: ASSUMPTION...IBERIA...LAFOURCHE...ST JAMES...ST JOHN THE BAPTIST... LOWER AND UPPER ST MARTIN...ST MARY...TERREBONNE... AS WELL AS THE ADJOINING COASTAL WATERS OF IBERIA...LAFOURCHE...ST MARY AND TERREBONNE PARISHES. AT 1130 AM...RADAR INDICATED NUMEROUS PATCHES OF LIGHT RAIN WITH SOME EMBEDDED RAIN SHOWERS OVER PORTIONS OF SOUTHERN LOUISIANA BETWEEN LAFAYETTE AND HOUMA...EXTENDING NORTHEAST TO BETWEEN JACKSON AND HATTIESBURG MISSISSIPPI. SCATTERED RAIN SHOWERS CONTINUED FROM NEW ORLEANS SOUTH TO GRAND ISLE LOUISIANA...AND BETWEEN BAY ST LOUIS AND WIGGINS MISSISSIPPI. MOVEMENT WAS RAPIDLY NORTHEAST.
Special weather statement, Dec 13, 12:43 PM CST, 4 hours 21 minutes before
LAZ029-033>037-046>050-132100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BATON ROUGE LA 1245 PM CST MON DEC 13 1993 ...SHOWERS AND THUNDERSTORMS MOVING ACROSS PARTS OF EAST CENTRAL LOUISIANA... RADAR SHOWED AN AREA OF SHOWERS AND THUNDERSTORMS FROM KENTWOOD... AMITE AND HOUMA EXTENDING WEST ACROSS CLINTON...BATON ROUGE AND DONALDSONVILLE TO EUNICE...BUNKIE AND SIMMESPORT. MOVEMENTS WAS EAST AT 30 MPH. THESE THUNDERSTORMS MAY PRODUCE STRONG GUSTY WINDS...VERY HEAVY RAIN WITH FLOODING OF STREETS AND LOW LYING AREAS...DANGEROUS LIGHTNING AND POSSIBLY SOME HAIL AS THEY MOVE ACROSS THE AREA THE NEXT SEVERAL HOURS.
Special weather statement, Dec 13, 12:45 PM CST, 4 hours 19 minutes before
LAZ029-033>037-046>050-132100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BATON ROUGE LA 1245 PM CST MON DEC 13 1993 ...SHOWERS AND THUNDERSTORMS MOVING ACROSS PARTS OF EAST CENTRAL LOUISIANA... RADAR SHOWED AN AREA OF SHOWERS AND THUNDERSTORMS FROM KENTWOOD... AMITE AND HOUMA EXTENDING WEST ACROSS CLINTON...BATON ROUGE AND DONALDSONVILLE TO EUNICE...BUNKIE AND SIMMESPORT. MOVEMENTS WAS EAST AT 30 MPH. THESE THUNDERSTORMS MAY PRODUCE STRONG GUSTY WINDS...VERY HEAVY RAIN WITH FLOODING OF STREETS AND LOW LYING AREAS...DANGEROUS LIGHTNING AND POSSIBLY SOME HAIL AS THEY MOVE ACROSS THE AREA THE NEXT SEVERAL HOURS.
Special weather statement, Dec 13, 2:40 PM CST, 2 hours 24 minutes before
LAZ038>040-045-053>070-LAZ502-LAZ501-ALZ501-132100- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE NEW ORLEANS LA 240 PM CST MON DEC 13 1993 AT 230 PM...RADAR INDICATED A LINE OF STRONG THUNDERSTORMS WITH HEAVY RAINFALL FROM MORGAN CITY LOUISIANA NORTHEAST TO JUST EAST OF MC COMB MISSISSIPPI. STRONG WINDS...HEAVY RAINFALL AND DANGEROUS LIGHTNING MAY BE EXPECTED WITH THESE STORMS. THE LINE WAS EMBEDDED IN A LARGE AREA OF LIGHT RAIN AND A FEW THUNDERSTORMS WHICH COVERED MOST OF SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI AND THE ADJACENT COASTAL WATERS... GENERALLY EAST OF A LINE FROM MORGAN CITY TO BATON ROUGE LOUISIANA AND MC COMB MISSISSIPPI. THE RAIN AND THUNDERSTORMS EXTENDED EAST TO NEAR PASCAGOULA MISSISSIPPI. THE THUNDERSTORMS AND RAIN WERE MOVING RAPIDLY NORTHEAST.
Special weather statement, Dec 13, 2:40 PM CST, 2 hours 24 minutes before
LAZ038>040-045-053>070-LAZ502-LAZ501-ALZ501-132100- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE NEW ORLEANS LA 240 PM CST MON DEC 13 1993 AT 230 PM...RADAR INDICATED A LINE OF STRONG THUNDERSTORMS WITH HEAVY RAINFALL FROM MORGAN CITY LOUISIANA NORTHEAST TO JUST EAST OF MC COMB MISSISSIPPI. STRONG WINDS...HEAVY RAINFALL AND DANGEROUS LIGHTNING MAY BE EXPECTED WITH THESE STORMS. THE LINE WAS EMBEDDED IN A LARGE AREA OF LIGHT RAIN AND A FEW THUNDERSTORMS WHICH COVERED MOST OF SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI AND THE ADJACENT COASTAL WATERS... GENERALLY EAST OF A LINE FROM MORGAN CITY TO BATON ROUGE LOUISIANA AND MC COMB MISSISSIPPI. THE RAIN AND THUNDERSTORMS EXTENDED EAST TO NEAR PASCAGOULA MISSISSIPPI. THE THUNDERSTORMS AND RAIN WERE MOVING RAPIDLY NORTHEAST.
Nearby
Tornado Warnings in Louisiana, 1993Every tornado warning in 1993Tornadoes 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.