Alert archive / Louisiana / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 2, NWS New Orleans, LA
NWS New Orleans, LA issued this severe thunderstorm warning at Jan 8, 1997, 4:30 PM CST for Saint Tammany Parish, Louisiana. It was in force for 45 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 8, 1997, 4:30 PM CST (22:30 UTC)
- Expired
- Jan 8, 1997, 5:15 PM CST
- In force
- 45 min
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
County Saint Tammany Parish, LA
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 8, 3:00 PM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 10.5 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
- 5 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 434 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 430 m²/s²
- 0-3 km storm-relative helicity
- 481 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KNEW 082232 RRA SVRNEW LAC103-082315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NEW ORLEANS LA 430 PM CST WED JAN 8 1997 THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 515 PM CST FOR RESIDENTS IN THE FOLLOWING LOCATION... IN SOUTHEAST LOUISIANA ...ST.TAMMANY PARISH AT 430 PM NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM OVER LAKE PONTCHARTRAIN ABOUT 10 MILES SOUTHWEST OF MANDEVILLE. THE THUNDERSTORM WAS MOVING NORTHEAST AROUND 35 MILES AN HOUR. HAIL IS LIKELY WITH THIS THUNDERSTORM. COMMUNITIES IN THE PATH OF THIS THUNDERSTORMS INCLUDE MANDEVILLE...COVINGTON...LACOMBE.... AND ABITA SPRINGS. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS.
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
Special weather statement, Jan 8, 10:50 AM CST, 5 hours 40 minutes before
LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-082359- THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE NEW ORLEANS LA 1050 AM CST WED JAN 08 1997 ...THERE IS A POTENTIAL FOR TORNADIC SEVERE THUNDERSTORMS ACROSS SOUTHERN MISSISSIPPI AND SOUTHEAST LOUISIANA THIS AFTERNOON AND EARLY EVENING... A VIGOROUS UPPER LEVEL DISTURBANCE WAS APPROACHING THE REGION FROM THE WEST THIS MORNING. A SURFACE LOW PRESSURE AREA JUST SOUTH OF GRAND ISLE WAS MOVING STEADILY TO THE NORTHEAST. WARM AND MOIST AIR WILL BE ADVANCING ONSHORE INTO SOUTHEAST LOUISIANA AND SOUTH MISSISSIPPI DURING THE AFTERNOON...SETTING THE STAGE FOR SEVERE THUNDERSTORMS. THE WIND FIELD ALOFT WILL BE FAVORABLE FOR TORNADOES TO DEVELOP WITH SOME OF THE STRONGER STORMS. THE AFFECTED AREA IS GENERALLY EAST OF THE MISSISSIPPI RIVER FROM NATCHEZ MISSISSIPPI..BATON ROUGE AND MORGAN CITY AND INCLUDES THE NEW ORLEANS..BATON ROUGE..BILOXI/GULFPORT METROPOLITAN AREAS FROM NOON THROUGH ABOUT 9 PM CST. THE SEVERE WEATHER THREAT WILL DIMINISH WITH A WINDSHIFT TO A WESTERLY WIND LATER THIS EVENING. EMERGENCY OPERATIONS MANAGERS AND LAW ENFORCEMENT OFFICIALS ARE ADVISED TO ACTIVATE SEVERE WEATHER PREPAREDNESS PLANS TODAY. SPOTTER NETWORKS MAY NEED TO BE ACTIVATED AS THE INCLEMENT WEATHER DEVELOPS. STAY TUNED FOR LATER STATEMENTS...WATCHES AND WARNINGS THROUGHOUT THE AFTERNOON. 24/15
Special weather statement, Jan 8, 10:55 AM CST, 5 hours 35 minutes before
LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-082359- THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE NEW ORLEANS LA 1050 AM CST WED JAN 08 1997 ...THERE IS A POTENTIAL FOR TORNADIC SEVERE THUNDERSTORMS ACROSS SOUTHERN MISSISSIPPI AND SOUTHEAST LOUISIANA THIS AFTERNOON AND EARLY EVENING... A VIGOROUS UPPER LEVEL DISTURBANCE WAS APPROACHING THE REGION FROM THE WEST THIS MORNING. A SURFACE LOW PRESSURE AREA JUST SOUTH OF GRAND ISLE WAS MOVING STEADILY TO THE NORTHEAST. WARM AND MOIST AIR WILL BE ADVANCING ONSHORE INTO SOUTHEAST LOUISIANA AND SOUTH MISSISSIPPI DURING THE AFTERNOON...SETTING THE STAGE FOR SEVERE THUNDERSTORMS. THE WIND FIELD ALOFT WILL BE FAVORABLE FOR TORNADOES TO DEVELOP WITH SOME OF THE STRONGER STORMS. THE AFFECTED AREA IS GENERALLY EAST OF THE MISSISSIPPI RIVER FROM NATCHEZ MISSISSIPPI..BATON ROUGE AND MORGAN CITY AND INCLUDES THE NEW ORLEANS..BATON ROUGE..BILOXI/GULFPORT METROPOLITAN AREAS FROM NOON THROUGH ABOUT 9 PM CST. THE SEVERE WEATHER THREAT WILL DIMINISH WITH A WINDSHIFT TO A WESTERLY WIND LATER THIS EVENING. EMERGENCY OPERATIONS MANAGERS AND LAW ENFORCEMENT OFFICIALS ARE ADVISED TO ACTIVATE SEVERE WEATHER PREPAREDNESS PLANS TODAY. SPOTTER NETWORKS MAY NEED TO BE ACTIVATED AS THE INCLEMENT WEATHER DEVELOPS. STAY TUNED FOR LATER STATEMENTS...WATCHES AND WARNINGS THROUGHOUT THE AFTERNOON. 24/15
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.