Alert archive / Louisiana / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 49, NWS New Orleans, LA
NWS New Orleans, LA issued this severe thunderstorm warning at Mar 17, 1996, 11:51 PM CST for Saint Helena 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
- Mar 17, 1996, 11:51 PM CST (05:51 UTC)
- Expired
- Mar 18, 1996, 1:00 AM CST
- In force
- 69 min
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
County Saint Helena Parish, LA
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 5.9 hours before the alert went out and 116 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
- 811 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 942 m above ground
- 0-6 km bulk shear
- 72 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 85 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KNEW 180556 RRA SVRNEW LAC091-180700- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NEW ORLEANS LA 1151 PM CST SUN MAR 17 1996 THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 100 AM CST FOR RESIDENTS IN THE FOLLOWING LOCATION... IN SOUTHEAST LOUISIANA ...ST. HELENA PARISH AT 1150 AM CST...RADAR INDICATED A SEVERE THUNDERSTORM LOCATED IN EAST FELICIANA PARISH MOVING TO THE EAST NORTHEAST AT 25 MPH INTO ST HELENA PARISH. THE PRIMARY THREATS WITH THIS THUNDERSTORM ARE LARGE HAIL AND STRONG WINDS. THE EAST FELICIANA SHERIFFS OFFICE REPORTED NICKEL SIZE HAIL AT 1150 PM CST. CITIES IN THE PATH OF THIS STORM INCLUDE GREENSBURG AND PINE GROVE. 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 DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. &
The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 17, 7:43 PM CST | Severe Thunderstorm Warning | LIX | Pointe Coupee, West Feliciana | 47 min |
| Mar 17, 8:25 PM CST | Severe Thunderstorm Warning | LIX | West Feliciana | 65 min |
| Mar 17, 9:09 PM CST | Severe Thunderstorm Warning | LIX | Saint Tammany | 66 min |
| Mar 17, 10:33 PM CST | Severe Thunderstorm Warning | LIX | Pointe Coupee | 57 min |
| Mar 17, 11:05 PM CST | Severe Thunderstorm Warning | LIX | West Feliciana | 55 min |
| Mar 17, 11:18 PM CST | Severe Thunderstorm Warning | LIX | East Feliciana | 57 min |
| Mar 17, 11:56 PM CST | Severe Thunderstorm Warning | LIX | West Feliciana | 34 min |
| Mar 18, 12:13 AM CST | Severe Thunderstorm Warning | LIX | East Feliciana | 47 min |
| Mar 18, 12:20 AM CST | Severe Thunderstorm Warning | LIX | Tangipahoa | 55 min |
| Mar 18, 12:43 AM CST | Severe Thunderstorm Warning | LIX | Livingston | 47 min |
| Mar 18, 12:53 AM CST | Severe Thunderstorm Warning | LIX | Washington | 37 min |
| Mar 18, 1:01 AM CST | Tornado Warning | LIX | Washington | 29 min |
| Mar 18, 2:08 AM CST | Severe Thunderstorm Warning | LIX | Saint Tammany | 37 min |
| Mar 18, 12:58 PM CST | Severe Thunderstorm Warning | LIX | East Feliciana, West Baton Rouge, West Feliciana | 47 min |
| Mar 18, 12:58 PM CST | Severe Thunderstorm Warning | LIX | East Baton Rouge | 47 min |
| Mar 18, 2:10 PM CST | Severe Thunderstorm Warning | LIX | Tangipahoa | 35 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 1996Every severe thunderstorm warning in 1996
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.