Alert archive / Louisiana / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 279, NWS New Orleans, LA
NWS New Orleans, LA issued this severe thunderstorm warning at Oct 1, 1997, 4:15 PM CDT for Saint Charles Parish, Saint John the Baptist Parish, Louisiana. It was in force for 30 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
- Oct 1, 1997, 4:15 PM CDT (21:15 UTC)
- Expired
- Oct 1, 1997, 4:45 PM CDT
- In force
- 30 min
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
Counties Saint Charles Parish, LA, Saint John the Baptist Parish, LA
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 9.3 hours before the alert went out and 73 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
- 891 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 1213 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 3 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, Oct 1, 11:00 AM CDT, 5 hours 15 minutes before
LAZ034>040-046>049-056>070-MSZ068>071-080>082-011600- THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE NEW ORLEANS/BATON ROUGE LA 1100 AM CDT WED OCT 1 1997 ...NO SEVERE THUNDERSTORMS ARE EXPECTED THIS AFTERNOON... WIDELY SCATTERED SHOWERS ARE POSSIBLE OVER SOUTHEAST LOUISIANA AND SOUTH MISSISSIPPI AHEAD OF AND ALONG A WEAK COLD FRONT AS IT MOVES SOUTH ACROSS THE AREA THIS AFTERNOON. TUNE IN TO NOAA WEATHER RADIO...LOCAL RADIO AND TV STATIONS ...CABLE OUTLETS...OR CONTACT OUR INTERNET HOMEPAGE AT HTTP://WWW.SRH.NOAA.GOV (IN LOWER CASE) UNDER FORECAST OFFICES FOR FURTHER INFORMATION ON CURRENT WEATHER CONDITIONS.
Special weather statement, Oct 1, 11:08 AM CDT, 5 hours 7 minutes before
LAZ034>040-046>049-056>070-MSZ068>071-080>082-011600- THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE NEW ORLEANS/BATON ROUGE LA 1100 AM CDT WED OCT 1 1997 ...NO SEVERE THUNDERSTORMS ARE EXPECTED THIS AFTERNOON... WIDELY SCATTERED SHOWERS ARE POSSIBLE OVER SOUTHEAST LOUISIANA AND SOUTH MISSISSIPPI AHEAD OF AND ALONG A WEAK COLD FRONT AS IT MOVES SOUTH ACROSS THE AREA THIS AFTERNOON. TUNE IN TO NOAA WEATHER RADIO...LOCAL RADIO AND TV STATIONS ...CABLE OUTLETS...OR CONTACT OUR INTERNET HOMEPAGE AT HTTP://WWW.SRH.NOAA.GOV (IN LOWER CASE) UNDER "FORECAST OFFICES" FOR FURTHER INFORMATION ON CURRENT WEATHER CONDITIONS.
The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 1, 4:27 PM CDT | Severe Thunderstorm Warning | LIX | Lafourche | 48 min |
| Oct 1, 5:15 PM CDT | Severe Thunderstorm Warning | LIX | Lafourche, Terrebonne | 60 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.