Alert archive / Louisiana / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 99, NWS New Orleans, LA
NWS New Orleans, LA issued this severe thunderstorm warning at Apr 14, 1996, 1:07 PM CDT for Saint Tammany Parish, Louisiana. It was in force for 68 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Apr 14, 1996, 1:07 PM CDT (18:07 UTC)
- Expired
- Apr 14, 1996, 2:15 PM CDT
- In force
- 68 min
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
County Saint Tammany Parish, LA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 14, 1:40 PM CDT | Tornado F0 | Slidell, LA |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 6.1 hours before the alert went out and 30 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
- 1765 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 525 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 23 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, Apr 14, 10:05 AM CDT, 3 hours 2 minutes before
LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-150010- THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE NEW ORLEANS/BATON ROUGE 1000 AM CDT SUN APR 14 1996 ...THERE IS A RISK OF SEVERE THUNDERSTORMS AND HEAVY RAINFALL THIS AFTERNOON AND EVENING ACROSS SOUTHEAST LOUISIANA AND SOUTH MISSISSIPPI... AN UPPER LEVEL STORM SYSTEM WAS CENTERED OVER WEST KANSAS THIS SUNDAY MORNING. ENERGY WAS BEING EJECTED EASTWARD FROM THIS SYSTEM INTO THE WEST GULF STATES. THE AIRMASS ACROSS LOUISIANA HAS BECOME QUITE UNSTABLE. WITH TEMPERATURES EXPECTED TO RISE INTO THE 80S THIS AFTERNOON THUNDERSTORMS WILL LIKELY BECOME ABUNDANT AND WITH FURY. THE MAIN THREAT THIS AFTERNOON WILL BE LARGE HAIL AND DAMAGING STRAIGHTLINE WINDS THAT MAY EXCEED 80 MPH. THE AIRMASS IS ALSO FAVORABLE FOR LOCALLY HEAVY RAINFALL. LOCAL TECHNIQUES SUGGEST THAT 2 TO 4 INCHES OF RAINFALL MAY BE COMMON AND RATHER WIDESPREAD WITH LOCALLY HEAVIER AMOUNTS TO EIGHT INCHES POSSIBLE. THIS IS A PARTICULARLY DANGEROUS WEATHER DAY. RESIDENTS ARE URGED TO PAY CLOSE ATTENTION TO LOCAL TV AND RADIO OR NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS. BE READY TO REACT IF A WARNING IS ISSUED FOR YOUR AREA. LAW ENFORCEMENT AND EMERGENCY OPERATIONS PERSONNEL SHOULD ACTIVATE STORM SPOTTERS THIS AFTERNOON AND HAVE OPERATION CENTERS MANNED UNTIL THE THREAT OF SEVERE WEATHER IS DIMINIHED LATER THIS EVENING.
Local storm report, Apr 14, 11:13 AM CDT, 1 hour 54 minutes before
PRELIMINARY LOCAL STORM REPORTS
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1108 AM CDT SUN APR 14 1996
TIME(CDT) .....CITY LOCATION......STATE ...EVENT/REMARKS...
....COUNTY LOCATION.....
1100 AM PAINCOURTVILLE LA 1.75 INCH DIAMETER HAIL
04/14/96 ASSUMPTION REPORTED BY ASSUMPTION
S.O. KLIX 88D VIL 65
KG/M2 THIS CELL.
24The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 14, 10:16 AM CDT | Severe Thunderstorm Warning | LIX | Assumption | 59 min |
| Apr 14, 11:10 AM CDT | Severe Thunderstorm Warning | LIX | Assumption, Lafourche, Saint James | 65 min |
| Apr 14, 11:10 AM CDT | Severe Thunderstorm Warning | LIX | Saint John the Baptist | 65 min |
| Apr 14, 11:39 AM CDT | Severe Thunderstorm Warning | LIX | Saint Charles | 66 min |
| Apr 14, 12:16 PM CDT | Severe Thunderstorm Warning | LIX | Saint John the Baptist | 44 min |
| Apr 14, 12:37 PM CDT | Severe Thunderstorm Warning | LIX | Jefferson, Saint Charles | 68 min |
| Apr 14, 12:49 PM CDT | Severe Thunderstorm Warning | LIX | Orleans | 56 min |
| Apr 14, 1:28 PM CDT | Severe Thunderstorm Warning | LIX | Plaquemines, Saint Bernard | 62 min |
| Apr 14, 1:36 PM CDT | Tornado Warning | LIX | Saint Tammany | 54 min |
| Apr 14, 1:45 PM CDT | Severe Thunderstorm Warning | LIX | Orleans | 30 min |
| Apr 14, 3:28 PM CDT | Severe Thunderstorm Warning | LIX | Tangipahoa | 47 min |
| Apr 14, 6:56 PM CDT | Severe Thunderstorm Warning | LIX | East Baton Rouge, Livingston | 64 min |
| Apr 14, 2:19 PM CDT | Severe Thunderstorm Warning | LIX | Harrison | 71 min |
| Apr 14, 2:25 PM CDT | Severe Thunderstorm Warning | LIX | Amite, Wilkinson | 50 min |
| Apr 14, 2:38 PM CDT | Tornado Warning | LIX | Harrison | 52 min |
| Apr 14, 3:14 PM CDT | Severe Thunderstorm Warning | LIX | Jackson | 61 min |
| Apr 14, 3:51 PM CDT | Severe Thunderstorm Warning | LIX | Wilkinson | 54 min |
| Apr 14, 4:16 PM CDT | Severe Thunderstorm Warning | LIX | Jackson | 44 min |
| Apr 14, 4:28 PM CDT | Severe Thunderstorm Warning | LIX | Amite | 47 min |
| Apr 14, 5:13 PM CDT | Severe Thunderstorm Warning | LIX | Amite, Pike | 47 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.