Alert archive / Louisiana / Tornado Warnings in 1992
Tornado Warning 1, NWS New Orleans, LA
NWS New Orleans, LA issued this tornado warning at Jan 13, 1992, 2:17 AM CST for Plaquemines Parish, Louisiana. It was in force for 28 min.
The area
The counties it named.
The facts
- Issued
- Jan 13, 1992, 2:17 AM CST (08:17 UTC)
- Expired
- Jan 13, 1992, 2:45 AM CST
- In force
- 28 min
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
County Plaquemines Parish, LA
The nearest sounding before it
Jackson, MS (KJAN), launched 00:00Z, 8.3 hours before the alert went out and 310 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
- 510 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 84 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 130915 TORNEW LAC075-130945- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING...CORRECTED NATIONAL WEATHER SERVICE NEW ORLEANS LA 217 AM CST MON JAN 13 1992 THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 345 AM CST FOR RESIDENTS IN THE FOLLOWING PARISHES IN SOUTHEAST LOUISIANA ...NORTHERN PLAQUEMINES PARISH AND THE ADJACENT COASTAL WATERS OF SOUTHEAST LOUISIANA. AT 310 AM CST WEATHER RADAR INDICATED A POSSIBLE TORNADO NEAR PORT SULPHUR LOUISIANA. THIS POSSIBLE TORNADO IS MOVING NORTHEAST AT ABOUT 30 MPH. THIS IS A DANGEROUS STORM SITUATION. ACT QUICKLY. IF YOU ARE IN THE PATH OF THIS TORNADO MOVE TO A SHELTER. GO TO A SMALL INTERIOR 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, Jan 12, 9:39 PM CST, 4 hours 38 minutes before
LAZ008>010-012>014-MSZ010>014-ALZ016-130500- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE NEW ORLEANS LA 945 PM CST SUN JAN 12 1992 THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUED OVER THE COASTAL WATERS ALONG THE LEADING EDGE OF A LARGE AREA OF RAIN AND THUNDERSTORMS OVER SOUTHEAST LOUISIANA...COASTAL MISSISSIPPI AND SOUTHWEST FLORIDA. THE AREA OVER SOUTHEAST LOUISIANA WAS GENERALLY EAST OF A SLIDELL... GRAND ISLE LINE. MARINE INTERESTS IN THE BRETON SOUND TO THE CHANDELEUR ISLANDS SHOULD CONTINUE TO BE ALERT FOR STRONG GUSTY WINDS...ROUGH SEAS...AND REDUCED VISIBILITY IN THE HEAVY RAIN. MOVEMENT WAS NORTHEAST ABOUT 40 MILES AN HOUR.
Special weather statement, Jan 12, 10:30 PM CST, 3 hours 47 minutes before
LAZ008>010-012>014-MSZ010>014-ALZ016-130600- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE NEW ORLEANS LA 1045 PM CST SUN JAN 12 1992 THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUED OVER THE COASTAL WATERS ALONG THE LEADING EDGE OF A LARGE AREA OF RAIN AND THUNDERSTORMS OVER SOUTHEAST LOUISIANA...COASTAL MISSISSIPPI AND SOUTHWEST FLORIDA. THE AREA OVER SOUTHEAST LOUISIANA WAS GENERALLY EAST OF A SLIDELL... HOUMA LINE. MARINE INTERESTS IN THE BRETON SOUND TO THE CHANDELEUR ISLANDS SHOULD CONTINUE TO BE ALERT FOR STRONG GUSTY WINDS...ROUGH SEAS...AND REDUCED VISIBILITY IN THE HEAVY RAIN. MOVEMENT WAS NORTHEAST ABOUT 40 MILES AN HOUR.
Special weather statement, Jan 12, 11:27 PM CST, 2 hours 50 minutes before
LAZ008>010-012>014-MSZ010>014-ALZ016-130700- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE NEW ORLEANS LA 1135 PM CST SUN JAN 12 1992 THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUED OVER THE COASTAL WATERS ALONG THE LEADING EDGE OF A LARGE AREA OF RAIN AND THUNDERSTORMS OVER SOUTHEAST LOUISIANA...COASTAL MISSISSIPPI AND SOUTHWEST FLORIDA. THE AREA OVER SOUTHEAST LOUISIANA WAS GENERALLY EAST OF A SLIDELL... HOUMA LINE. MARINE INTERESTS IN THE BRETON SOUND TO THE CHANDELEUR ISLANDS SHOULD CONTINUE TO BE ALERT FOR STRONG GUSTY WINDS...ROUGH SEAS...AND REDUCED VISIBILITY IN THE HEAVY RAIN. MOVEMENT WAS NORTHEAST ABOUT 40 MILES AN HOUR.
Special weather statement, Jan 13, 12:08 AM CST, 2 hours 9 minutes before
LAZ009-010-012>014-131600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 1208 AM CST MON JAN 13 1992 ...DENSE FOG ADVISORY IN EFFECT FOR MUCH OF SOUTHEAST LOUISIANA INCLUDING INLAND WATERWAYS..BAYOUS AND LAKES UNTIL MID-MORNING MONDAY... PATCHY DENSE FOG IS FORMING ACROSS MUCH OF SOUTHEAST LOUISIANA AS WARM MOIST AIR MOVES NORTHWARD ACROSS THE REGION. AT 12 MIDNIGHT VISIBILITIES WERE REDUCED TO NEAR ZERO IN A FEW PLACES AND VISIBILITIES IN GENERAL WERE EXTREME VARIABLE. MOTORISTS AND MARINERS THROUGHOUT SOUTHEAST LOUISIANA SHOULD EXERCISE EXTREME CAUTION AND ALLOW EXTRA TIME IN REACHING THEIR DESTINATIONS. THE FOG IS EXPECTED TO DISPERSE BY AROUND 9 OR 10 AM THIS MORNING.
Special weather statement, Jan 13, 12:41 AM CST, 1 hour 36 minutes before
LAZ008>010-012>014-MSZ010>014-ALZ016-130800- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE NEW ORLEANS LA 1235 AM CST MON JAN 13 1992 THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUED OVER THE COASTAL WATERS ALONG THE LEADING EDGE OF A LARGE AREA OF RAIN AND THUNDERSTORMS OVER SOUTHEAST LOUISIANA...COASTAL MISSISSIPPI AND SOUTHWEST FLORIDA. THE AREA OVER SOUTHEAST LOUISIANA WAS GENERALLY FROM TERREBONNE BAY NORTHEAST ACROSS EASTERN NEW ORLEANS AND INTO BRETON AND MISSISSIPPI SOUND. MARINERS SHOULD CONTINUE TO BE ALERT FOR STRONG GUSTY WINDS...ROUGH SEAS...AND REDUCED VISIBILITY IN THE HEAVY RAIN. MOVEMENT WAS NORTHEAST ABOUT 30 MILES AN HOUR.
Special weather statement, Jan 13, 1:40 AM CST, 37 minutes before
LAZ008>010-012>014-MSZ010>014-ALZ016-130900- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE NEW ORLEANS LA 135 AM CST MON JAN 13 1992 THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUED OVER THE COASTAL WATERS ALONG THE LEADING EDGE OF A LARGE AREA OF RAIN AND THUNDERSTORMS OVER SOUTHEAST LOUISIANA...COASTAL MISSISSIPPI AND SOUTHWEST FLORIDA. THE AREA OVER SOUTHEAST LOUISIANA WAS GENERALLY FROM COASTAL AREAS AROUND GRAND ISLE NORTHEAST ACROSS EASTERN NEW ORLEANS AND ST. BERNARD PARISH INTO BRETON AND MISSISSIPPI SOUND CONTINUING TO THE ALABAMA COAST. MARINERS SHOULD CONTINUE TO BE ALERT FOR STRONG GUSTY WINDS...ROUGH SEAS...AND REDUCED VISIBILITY IN THE HEAVY RAIN. MOVEMENT WAS NORTHEAST ABOUT 20 MILES AN HOUR.
The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 13, 10:44 AM CST | Severe Thunderstorm Warning | LIX | Jefferson | 61 min |
| Jan 13, 11:19 AM CST | Severe Thunderstorm Warning | LIX | Ascension, Livingston | 41 min |
| Jan 13, 1:11 PM CST | Severe Thunderstorm Warning | LIX | Saint Tammany, Washington | 36 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.