Alert archive / Louisiana / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 112, NWS New Orleans, LA
NWS New Orleans, LA issued this severe thunderstorm warning at Apr 14, 1996, 7:17 PM CDT for Tangipahoa Parish, Louisiana. It was in force for 58 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, 7:17 PM CDT (00:17 UTC)
- Expired
- Apr 14, 1996, 8:15 PM CDT
- In force
- 58 min
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
County Tangipahoa Parish, LA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 14, 7:30 PM CDT | Hail 1.75 | Ponchatoula, 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 00:00Z, 0.3 hours before the alert went out and 80 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
- 2003 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 554 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 218 m²/s²
- 0-3 km storm-relative helicity
- 297 m²/s²
- Significant tornado parameter
- 3.5
- Supercell composite
- 14.6
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
Local storm report, Apr 14, 1:33 PM CDT, 5 hours 44 minutes before
PRELIMINARY LOCAL STORM REPORTS
NATIONAL WEATHER SERVICE NEW ORLEANS LA
128 PM CDT SUN APR 14 1996
TIME(CDT) .....CITY LOCATION......STATE ...EVENT/REMARKS...
....COUNTY LOCATION.....
1135 AM GRAMERCY LA .75 INCH DIAMETER HAIL
04/14/96 ST. JAMES REPORTED BY ST. JAMES
SHERIFF'S OFFICE. ALSO IN
CONVENT.
1200 PM NORCO LA 1 INCH DIAMETER HAIL
04/14/96 ST. CHARLES REPORTED BY ST CHARLES
EOC.
1205 PM LAPLACE LA 1 INCH DIAMETER HAIL
04/14/96 ST. JOHN THE BAPTIST DIME TO QUARTER SIZED HAIL
REPORTED BY C.D.
0106 PM NEW ORLEANS EAST LA .75 INCH DIAMETER HAIL
04/14/96 ORLEANS REPORTED BY OFF DUTY NWS
EMPLOYEE.
24Special weather statement, Apr 14, 4:10 PM CDT, 3 hours 7 minutes before
LAZ038-039-MSZ070-071-142145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 409 PM CDT SUN APR 14 1996 ...THE SEVERE THUNDERSTORM WARNING FOR TANGIPAHOA PARISH AND PIKE COUNTY HAS BEEN CANCELLED... AT 405 PM CDT...THE THUNDERSTORM THAT PROMPTED THE SEVERE THUNDERSTORM WARNING FOR NORTHERN TANGIPAHOA PARISH LOUISIANA AND PIKE COUNTY MISSISSIPPI HAS WEAKENED AND MOVED INTO NORTHERN WASHINGTON PARISH AND WALTHALL COUNTY. THE WARNING HAS BEEN CANCELLED. ADDITIONAL STRONG TO SEVERE THUNDERSTORMS HAVE DEVELOPED JUST EAST OF MISSISSIPPI RIVER IN SOUTHWEST MISSISSIPPI...AND THESE STORMS WILL MOVE ACROSS EXTREME SOUTH MISSISSIPPI THROUGH THE REMAINDER OF THIS AFTERNOON. A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 PM ACROSS SOUTHWEST AND SOUTH CENTRAL MISSISSIPPI.
Special weather statement, Apr 14, 6:39 PM CDT, 38 minutes before
LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-150030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS LA 614 PM CDT SUN APR 14 1996 ...THE TORNADO WATCH FOR SOUTHEAST LOUISIANA AND SOUTH MISSISSIPPI EXPIRED AT 6 PM CDT... ...A TORNADO WATCH REMAINS IN EFFECT UNTIL 7 PM CDT FOR SOUTHWEST MISSISSIPPI TO INCLUDE WILKINSON..AMITE..PIKE AND WALTHALL COUNTIES... ...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR TONIGHT ACROSS SOUTHEAST LOUISIANA AND COASTAL MISSISSIPPI... MUCH OF THE THUNDERSTORM ACTIVITY HAS DIMINISHED ACROSS THE WATCH AREA LATE THIS AFTERNOON HOWEVER NEW DEVELOPMENT WILL OCCUR. THE MAIN CONCERN TONIGHT WILL BE HEAVY RAINFALL. STAY TUNED FOR LATER0 STATEMENTS AND POSSIBLE WARNINGS.
The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 14, 7:43 PM CDT | Tornado Warning | LIX | Tangipahoa | 32 min |
| Apr 14, 7:56 PM CDT | Tornado Warning | LIX | Saint Tammany | 34 min |
| Apr 14, 8:32 PM CDT | Tornado Warning | LIX | Saint Tammany | 28 min |
| Apr 14, 9:01 PM CDT | Tornado Warning | LIX | Saint Tammany | 44 min |
| Apr 14, 11:17 PM CDT | Severe Thunderstorm Warning | LIX | Saint Tammany | 58 min |
| Apr 15, 12:28 AM CDT | Severe Thunderstorm Warning | LIX | Tangipahoa | 47 min |
| Apr 15, 12:51 AM CDT | Severe Thunderstorm Warning | LIX | Ascension, Livingston | 69 min |
| Apr 15, 1:37 AM CDT | Tornado Warning | LIX | Saint Tammany | 23 min |
| Apr 15, 2:26 AM CDT | Severe Thunderstorm Warning | LIX | Plaquemines, Saint Bernard | 49 min |
| Apr 15, 2:34 AM CDT | Severe Thunderstorm Warning | LIX | Jefferson, Orleans | 41 min |
| Apr 15, 2:34 AM CDT | Severe Thunderstorm Warning | LIX | Saint Charles | 41 min |
| Apr 14, 8:56 PM CDT | Severe Thunderstorm Warning | LIX | Pike | 34 min |
| Apr 14, 10:08 PM CDT | Severe Thunderstorm Warning | LIX | Wilkinson | 52 min |
| Apr 14, 10:36 PM CDT | Severe Thunderstorm Warning | LIX | Amite | 69 min |
| Apr 15, 2:16 AM CDT | Severe Thunderstorm Warning | LIX | Hancock, Pearl River | 29 min |
| Apr 15, 2:49 AM CDT | Flash Flood Warning | LIX | Hancock, Harrison, Pearl River | 4 hr |
| Apr 15, 2:49 AM CDT | Flash Flood Warning | LIX | Jackson | 4 hr |
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.