Alert archive / Louisiana / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 12, NWS New Orleans, LA
NWS New Orleans, LA issued this severe thunderstorm warning at Jan 24, 1997, 4:43 AM CST for Lafourche Parish, Terrebonne Parish, Louisiana. It was in force for 62 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 24, 1997, 4:43 AM CST (10:43 UTC)
- Expired
- Jan 24, 1997, 5:45 AM CST
- In force
- 62 min
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
Counties Lafourche Parish, LA, Terrebonne 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 24, 4:00 AM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 10.7 hours before the alert went out and 128 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
- 188 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 597 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 161 m²/s²
- 0-3 km storm-relative helicity
- 200 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
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, Jan 24, 4:00 AM CST, 43 minutes before
LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-231900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 400 AM CST FRI JAN 24 1997 ...THE DENSE FOG ADVISORY FOR SOUTHEAST LOUISIANA..AND SOUTHWEST AND COASTAL MISSISSIPPI IS CANCELLED... THE DENSE FOG ADVISORY FOR SOUTHEAST LOUISIANA..SOUTHWEST AND COASTAL MISSISSIPPI IS CANCELLED. INCREASING SOUTH WINDS AND DEVELOPING SHOWERS AND THUNDERSTORMS ARE INHIBITING FURTHER DENSE FOG FORMATION ACROSS THE AREA.
Special weather statement, Jan 24, 4:13 AM CST, 30 minutes before
LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-231900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 400 AM CST FRI JAN 24 1997 ...THE DENSE FOG ADVISORY FOR SOUTHEAST LOUISIANA..AND SOUTHWEST AND COASTAL MISSISSIPPI IS CANCELLED... THE DENSE FOG ADVISORY FOR SOUTHEAST LOUISIANA..SOUTHWEST AND COASTAL MISSISSIPPI IS CANCELLED. INCREASING SOUTH WINDS AND DEVELOPING SHOWERS AND THUNDERSTORMS ARE INHIBITING FURTHER DENSE FOG FORMATION ACROSS THE AREA.
The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 24, 4:22 AM CST | Severe Thunderstorm Warning | LIX | Washington | 68 min |
| Jan 24, 4:35 AM CST | Severe Thunderstorm Warning | LIX | Saint Tammany | 55 min |
| Jan 24, 6:21 AM CST | Severe Thunderstorm Warning | LIX | Plaquemines, Saint Bernard | 69 min |
| Jan 24, 6:59 AM CST | Severe Thunderstorm Warning | LIX | Lafourche, Terrebonne | 61 min |
| Jan 24, 8:17 AM CST | Severe Thunderstorm Warning | LIX | Jefferson, Plaquemines, Saint Bernard | 58 min |
| Jan 24, 8:17 AM CST | Severe Thunderstorm Warning | LIX | Lafourche | 58 min |
| Jan 24, 10:38 AM CST | Severe Thunderstorm Warning | LIX | Saint Charles | 37 min |
| Jan 24, 11:05 AM CST | Severe Thunderstorm Warning | LIX | Jefferson, Orleans | 40 min |
| Jan 24, 11:44 AM CST | Severe Thunderstorm Warning | LIX | Orleans, Saint Bernard | 46 min |
| Jan 24, 12:14 PM CST | Severe Thunderstorm Warning | LIX | Jefferson, Saint Charles | 46 min |
| Jan 24, 12:40 PM CST | Severe Thunderstorm Warning | LIX | Orleans | 65 min |
| Jan 24, 6:08 AM CST | Severe Thunderstorm Warning | LIX | Harrison | 67 min |
| Jan 24, 6:49 AM CST | Severe Thunderstorm Warning | LIX | Jackson | 56 min |
| Jan 24, 1:15 PM CST | Severe Thunderstorm Warning | LIX | Hancock | 45 min |
| Jan 24, 4:24 PM CST | Severe Thunderstorm Warning | LIX | Jackson | 51 min |
| Jan 24, 4:52 PM CST | Severe Thunderstorm Warning | LIX | Harrison | 53 min |
| Jan 24, 5:20 PM CST | Severe Thunderstorm Warning | LIX | Jackson | 40 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.