Alert archive / Louisiana / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 151, NWS New Orleans, LA
NWS New Orleans, LA issued this severe thunderstorm warning at May 24, 1997, 1:31 PM CDT for Lafourche Parish, Louisiana. It was in force for 29 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
- May 24, 1997, 1:31 PM CDT (18:31 UTC)
- Expired
- May 24, 1997, 2:00 PM CDT
- In force
- 29 min
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
County Lafourche Parish, LA
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 6.5 hours before the alert went out and 107 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
- 1329 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 574 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 94 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
415 WUUS1 KNEW 241834 RRA SVRNEW LAC057-241900- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NEW ORLEANS LA 131 PM CDT SAT MAY 24 1997 THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 200 PM CDT FOR RESIDENTS IN THE FOLLOWING LOCATION... IN SOUTHEAST LOUISIANA ...NORTHERN LAFOURCHE PARISH AT 1:30 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES SOUTHWEST OF THIBODAUX. THIS STORM WAS MOVING NORTHEAST AT 25 MPH. THIS STORM WILL EFFECT THIBODAUX WITHIN THE NEXT 5 TO 10 MINUTES. THE COMMUNITY OF KRAEMER IS ALSO IN THE PATH OF THIS STORM. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DONT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
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, May 24, 12:00 PM CDT, 1 hour 31 minutes before
LAZ034>040-046>049-056>070-MSZ068>071-080>082-240100- THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE NEW ORLEANS/BATON ROUGE LA 1200 PM CDT SAT MAY 24 1997 A MOIST UNSTABLE AIRMASS CONTINUES ACROSS SOUTHEAST LOUISIANA.. SOUTHWEST AND COASTAL MISSISSIPPI TODAY. THIS COMBINED WITH AN UPPER LEVEL DISTURBANCE APPROACHING FROM THE WEST WILL RESULT IN SCATTERED TO NUMEROUS THUNDERSTORMS ACROSS THE AREA. NUMEROUS THUNDERSTORMS ARE CURRENTLY ONGOING WEST OF THE MISSISSIPPI RIVER NEAR BATON ROUGE. THUNDERSTORMS SHOULD BEGIN TO DEVELOP ACROSS THE REMAINDER OF SOUTHEAST LOUISIANA..INCLUDING SLIDELL AND THE METROPOLITAN NEW ORLEANS AREA.. AND COASTAL MISSISSIPPI BY EARLY AFTERNOON. DEEP TROPICAL MOISTURE OVER THE REGION COMBINED WITH THE SLOW MOVEMENT OF THE THUNDERSTORMS WILL PRODUCE VERY HEAVY RAINFALL IN SOME LOCATIONS. TWO TO THREE INCH RAINFALL AMOUNTS IN ONE HOUR ARE POSSIBLE WITH SOME STORMS. A FEW SEVERE THUNDERSTORMS ARE POSSIBLE ACROSS SOUTHEAST LOUISIANA SOUTHWEST AND COASTAL MISSISSIPPI..MAINLY EAST OF BATON ROUGE THIS AFTERNOON INTO THIS EVENING AS THE UPPER LEVEL DISTURBANCE APPROACHES THE REGION.
Special weather statement, May 24, 12:21 PM CDT, 1 hour 10 minutes before
LAZ034>040-046>049-056>070-MSZ068>071-080>082-240100- THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE NEW ORLEANS/BATON ROUGE LA 1200 PM CDT SAT MAY 24 1997 A MOIST UNSTABLE AIRMASS CONTINUES ACROSS SOUTHEAST LOUISIANA.. SOUTHWEST AND COASTAL MISSISSIPPI TODAY. THIS COMBINED WITH AN UPPER LEVEL DISTURBANCE APPROACHING FROM THE WEST WILL RESULT IN SCATTERED TO NUMEROUS THUNDERSTORMS ACROSS THE AREA. NUMEROUS THUNDERSTORMS ARE CURRENTLY ONGOING WEST OF THE MISSISSIPPI RIVER NEAR BATON ROUGE. THUNDERSTORMS SHOULD BEGIN TO DEVELOP ACROSS THE REMAINDER OF SOUTHEAST LOUISIANA..INCLUDING SLIDELL AND THE METROPOLITAN NEW ORLEANS AREA.. AND COASTAL MISSISSIPPI BY EARLY AFTERNOON. DEEP TROPICAL MOISTURE OVER THE REGION COMBINED WITH THE SLOW MOVEMENT OF THE THUNDERSTORMS WILL PRODUCE VERY HEAVY RAINFALL IN SOME LOCATIONS. TWO TO THREE INCH RAINFALL AMOUNTS IN ONE HOUR ARE POSSIBLE WITH SOME STORMS. A FEW SEVERE THUNDERSTORMS ARE POSSIBLE A*CROSS SOUTHEAST LOUISIANA SOUTHWEST AND COASTAL MISSISSIPPI..MAINLY EAST OF BATON ROUGE THIS AFTERNOON INTO THIS EVENING AS THE UPPER LEVEL DISTURBANCE APPROACHES THE REGION.
The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 2:03 PM CDT | Severe Thunderstorm Warning | LIX | Saint Charles, Saint John the Baptist | 57 min |
| May 24, 2:03 PM CDT | Severe Thunderstorm Warning | LIX | Saint James | 57 min |
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.