Alert archive / Louisiana / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 14, NWS New Orleans, LA
NWS New Orleans, LA issued this severe thunderstorm warning at Jan 24, 1997, 6:21 AM CST for Plaquemines Parish, Saint Bernard Parish, Louisiana. It was in force for 69 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, 6:21 AM CST (12:21 UTC)
- Expired
- Jan 24, 1997, 7:30 AM CST
- In force
- 69 min
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
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
Jackson, MS (KJAN), launched 12:00Z, 0.4 hours before the alert went out and 291 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
- 543 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 578 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 330 m²/s²
- 0-3 km storm-relative helicity
- 342 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 4.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KNEW 241220 RRA SVRNEW LAC075-087-241330- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NEW ORLEANS LA 621 AM CST FRI JAN 24 1997 THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 730 AM CST FOR RESIDENTS IN THE FOLLOWING LOCATIONS... IN SOUTHEAST LOUISIANA ...NORTHERN PLAQUEMINES PARISH...ST. BERNARD PARISH AND THE ADJACENT COASTAL WATERS AT 620 AM NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM LOCATED IN THE AREA JUST EAST OF BELLE CHASE NAVAL AIR STATION MOVING TOWARD THE NORTHEAST AT 35 TO 40 MPH. 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 24, 4:00 AM CST, 2 hours 21 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, 2 hours 8 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, 4:43 AM CST | Severe Thunderstorm Warning | LIX | Lafourche, Terrebonne | 62 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 |
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.