Alert archive / Louisiana / Tornado Warnings in 1993
Tornado Warning 3, NWS New Orleans, LA
NWS New Orleans, LA issued this tornado warning at Jul 10, 1993, 12:48 PM CDT for Saint Tammany Parish, Louisiana. It was in force for 57 min.
The area
The counties it named.
The facts
- Issued
- Jul 10, 1993, 12:48 PM CDT (17:48 UTC)
- Expired
- Jul 10, 1993, 1:45 PM CDT
- In force
- 57 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, 5.8 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
- 1034 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 888 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- -85 m²/s²
- 0-3 km storm-relative helicity
- -53 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 101751 TORNEW LAC103-101845- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE NEW ORLEANS LA 1248 PM CDT SAT JUL 10 1993 THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 145 PM CDT FOR RESIDENTS IN THE FOLLOWING PARISHES... IN SOUTHEAST LOUISIANA ...ST.TAMMANY PARISH AT 1240 PM CDT NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM OVER LACOMBE. THIS STORM IS MOVING NORTH AT 15 MPH. A FUNNEL CLOUD WAS REPORTED BY ST TAMMANY PARISH SHERIFFS OFFICE FROM OF THIS STORM. THIS STORM SHOULD MOVE NORTH THROUGH ST TAMMANY PARISH DURING THE NEXT HOUR. IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A BASEMENT. GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM SUCH AS A CLOSET ON THE LOWEST FLOOR. USE BLANKETS...PILLOWS... OR CUSHIONS TO COVER YOUR BODY. AVOID WINDOWS. IF YOU ARJE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. &
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, Jul 10, 11:40 AM CDT, 1 hour 8 minutes before
LAZ006-008-009-101800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BATON ROUGE LA 1140 AM CDT SAT JUL 10 1993 ...AREA OF THUNDERSTORMS...PRODUCING HEAVY RAINS...MOVING ACROSS EAST CENTRAL LOUISIANA... RADAR SHOWED A LARGE AREA OF SHOWERS AND THUNDERSTORMS EXTENDING FROM NEW ORLEANS AND GRAND ISLE ON THE EAST TO NEAR CAMERON...LAKE CHARLES AND DERIDDER ON THE WEST. THE AREA EXTENDED FROM THE COASTAL WATERS NORTHWARD TO OPELOUSAS...BATON ROUGE AND HAMMOND. THUNDERSTORMS WERE ALSO INDICATED SOUTH AND NORTH OF ALEXANDRIA EAST INTO MISSISSIPPI NORTH OF MC COMB. MOVEMENT WAS SLOWLY TO THE NORTHEAST. AS THESE THUNDERSTORMS MOVE THROUGH THE AREA...THEY WILL PRODUCE STRONG GUSTY WINDS...PERIODS OF HEAVY RAIN...DANGEROUS LIGHTNING AND POSSIBLY SOME SMALL HAIL. THE HEAVY RAINS WILL CAUSE BRIEF FLOODING OF LOW LYING AREAS SUCH AS STREETS AND UNDERPASSES. MOTORIST ARE URGED TO DRIVE WITH CAUTION.
Special weather statement, Jul 10, 11:40 AM CDT, 1 hour 8 minutes before
LAZ006-008-009-101800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BATON ROUGE LA 1140 AM CDT SAT JUL 10 1993 ...AREA OF THUNDERSTORMS...PRODUCING HEAVY RAINS...MOVING ACROSS EAST CENTRAL LOUISIANA... RADAR SHOWED A LARGE AREA OF SHOWERS AND THUNDERSTORMS EXTENDING FROM NEW ORLEANS AND GRAND ISLE ON THE EAST TO NEAR CAMERON...LAKE CHARLES AND DERIDDER ON THE WEST. THE AREA EXTENDED FROM THE COASTAL WATERS NORTHWARD TO OPELOUSAS...BATON ROUGE AND HAMMOND. THUNDERSTORMS WERE ALSO INDICATED SOUTH AND NORTH OF ALEXANDRIA EAST INTO MISSISSIPPI NORTH OF MC COMB. MOVEMENT WAS SLOWLY TO THE NORTHEAST. AS THESE THUNDERSTORMS MOVE THROUGH THE AREA...THEY WILL PRODUCE STRONG GUSTY WINDS...PERIODS OF HEAVY RAIN...DANGEROUS LIGHTNING AND POSSIBLY SOME SMALL HAIL. THE HEAVY RAINS WILL CAUSE BRIEF FLOODING OF LOW LYING AREAS SUCH AS STREETS AND UNDERPASSES. MOTORIST ARE URGED TO DRIVE WITH CAUTION.
Special weather statement, Jul 10, 12:31 PM CDT, 17 minutes before
LAZ008>010-012>014-MSZ010>014-ALZ016-LAZ502-LAZ501-ALZ501-101900- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE NEW ORLEANS LA 1231 PM CDT SAT JUL 10 1993 AT 1231 PM A LARGE AND STRONG THUNDERSTORMS WITH HEAVY RAINFALL WAS OVER THE EAST HALF OF LAKE PONTCHARTRAIN. BOATERS ON LAKE PONTCHARTRAIN SHOULD BE PREPARED FOR STRONG GUSTY WINDS...HIGH WAVES...VISIBILITIES REDUCED TO NEAR ZERO IN THE HEAVY RAIN...DANGEROUS LIGHTNING AND POSSIBLY SMALL HAIL. WIDELY SCATTERED THUNDERSTORMS INCLUDED IN WIDESPREAD RAIN WERE OCCURRING OVER MOST OF SOUTHEAST LOUISIANA AND INTO ADJACENT AREAS OF SOUTH MISSISSIPPI. SOME LOCAL STREET FLOODING...FLOODING OF SMALL STREAMS AND LOW LYING AREAS COULD OCCUR WITH THE STRONGER THUNDERSTORMS. MOVEMENT WAS NORTH AT 15 MILES AN HOUR.
Special weather statement, Jul 10, 12:31 PM CDT, 17 minutes before
LAZ008>010-012>014-MSZ010>014-ALZ016-LAZ502-LAZ501-ALZ501-101900- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE NEW ORLEANS LA 1231 PM CDT SAT JUL 10 1993 AT 1231 PM A LARGE AND STRONG THUNDERSTORMS WITH HEAVY RAINFALL WAS OVER THE EAST HALF OF LAKE PONTCHARTRAIN. BOATERS ON LAKE PONTCHARTRAIN SHOULD BE PREPARED FOR STRONG GUSTY WINDS...HIGH WAVES...VISIBILITIES REDUCED TO NEAR ZERO IN THE HEAVY RAIN...DANGEROUS LIGHTNING AND POSSIBLY SMALL HAIL. WIDELY SCATTERED THUNDERSTORMS INCLUDED IN WIDESPREAD RAIN WERE OCCURRING OVER MOST OF SOUTHEAST LOUISIANA AND INTO ADJACENT AREAS OF SOUTH MISSISSIPPI. SOME LOCAL STREET FLOODING...FLOODING OF SMALL STREAMS AND LOW LYING AREAS COULD OCCUR WITH THE STRONGER THUNDERSTORMS. MOVEMENT WAS NORTH AT 15 MILES AN HOUR.
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.