Alert archive / Louisiana / Flash Flood Warnings in 1995
Flash Flood Warning 30, NWS New Orleans, LA
NWS New Orleans, LA issued this flash flood warning at May 9, 1995, 7:21 AM CDT for Jefferson Parish, Saint Charles Parish, Louisiana. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- May 9, 1995, 7:21 AM CDT (12:21 UTC)
- Expired
- May 9, 1995, 11:30 AM CDT
- In force
- 4 hr
- Issued by
- NWS New Orleans, LA
- Area
- Whole counties
Counties Jefferson Parish, LA, Saint Charles Parish, LA
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 0.4 hours before the alert went out and 72 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
- 1490 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 583 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 145 m²/s²
- 0-3 km storm-relative helicity
- 169 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 5.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KNEW 091224 FFWNEW LAC051-071-075-087-089-091630- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE NEW ORLEANS LA 721 AM CDT TUE MAY 9 1995 THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1130 AM CDT FOR RESIDENTS IN THE FOLLOWING LOCATIONS... IN SOUTHEAST LOUISIANA ...JEFFERSON PARISH...ORLEANS PARISH ...NORTHERN PLAQUEMINES PARISH...ST.BERNARD PARISH ...ST.CHARLES PARISH HEAVY RAINFALL OF 10 TO 15 INCHES WHICH MOVE THROUGH THE METRO NEW ORLEANS AREA LATE TUESDAY EVENING HAS CAUSED WIDESPREAD AND SEVERE FLOODING THROUGHOUT THE NEW ORLEANS METROPOLATIAN AREA. MANY ROADS AND STREETS REMAIN FLOODED AND IMPASSABLE. FLOOD WATERS WILL GRADUALLY SUBSIDE THROUGH THE LATE MORNING HOURS. DRIVING IS DISCOURAGED UNTIL FLOOD WATERS RECEDE LATE THIS MORNING. AT 7:15 AM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A NARROW LINE OF SHOWERS AND THUNDERSTORMS EXTENDING FROM THIPODAUX THROUGH WESTERN LAKE PONTCHARTRAIN. THIS ACTIVITY SHOULD MOVE ACROSS THE METRO NEW ORLEANS AREA THROUGH LATE MORNING. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY.
What forecasters said that day
The local office's own words before this flash flood 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, May 9, 3:04 AM CDT, 4 hours 17 minutes before
PRELIMINARY LOCAL STORM REPORTS
NATIONAL WEATHER SERVICE NEW ORLEANS LA
200 AM CDT THU MAY 9 1995
TIME(CDT) .....CITY LOCATION...... STATE ...EVENT/REMARKS...
....COUNTY LOCATION......
0215 PM- BERWICK TO SMITHDALE MS TORNADO ON IMTERMITTENT PATH.
0245 PM AMITE SEVERAL HOUSES DAMAGED.
5/8/95 WIDESPREAD TREE DAMAGE.
REPORTED BY SHERIFFS OFFICE
0255 PM MC COMB AND SUMMIT MS NUMEROUS TREES DOWNED BY
05/08/95 PIKE BY HIGH WINDS. REPORTED
BY CIVIL DEFENSE.
0300 PM WALKER LA SEVERAL MOBILE HOMES DAMAGED
05/08/95 LIVINGSTON AND NUMEROUS LARGE TREE LIMBS
DOWNED.
0245 PM BATON ROUGE LA TREES DOWNED AND SIDING RIPPED
05/08/95 EAST BATON ROUGE OFF APARTMENT COMPLEX.
0545 PM RACELAND LA TREES LIMBS DOWNED AND
05/08/95 LAFOURCHE POWER LINES.
1033 PM NEW ORLEANS LAKEFRONT LA WIND GUST TO 50 KNOTS.
05/08/95 AIRPORT NEW APPROXIMATELY 7 SMALL
ORLEANS AIRCRAFT OVERTURNED.
ONE HOUR RAINFALL 10PM TO
11PM CDT...4.57 INCHES
1030 PM ARABI LA THUNDERSTORM WIND OR POSSIBLE
5/8/95 ST BERNARD TORNADO HEAVILY DAMAGED A
SMALL BUSINESS AND A PUMPING
STATION.
......... ................ .................
STORM TOTAL RAINFALL AS OF MIDNIGHT....MOST FALLING SINCE 7PM CDT
MOISANT INTERNATIONAL AIRPORT...12.24 INCHES
NEW ORLEANS AUDUBON PARK...10.94 INCHES
NEW ORLEANS xLAKE FRONT AIRPORT...10.58 INCHES.
SOME STORM TOTAL RAINFALL IN EXCESS OF 15 INCHES.
SEVERE STREET FLOODING IN METRO NEW ORLEANS WITH WATER ENTERING
MANY HOMES.Local storm report, May 9, 3:09 AM CDT, 4 hours 12 minutes before
PRELIMINARY LOCAL STORM REPORTS...COR TO DAY
NATIONAL WEATHER SERVICE NEW ORLEANS LA
200 AM CDT TUE MAY 9 1995
TIME(CDT) .....CITY LOCATION...... STATE ...EVENT/REMARKS...
....COUNTY LOCATION......
0215 PM- BERWICK TO SMITHDALE MS TORNADO ON IMTERMITTENT PATH.
0245 PM AMITE SEVERAL HOUSES DAMAGED.
5/8/95 WIDESPREAD TREE DAMAGE.
REPORTED BY SHERIFFS OFFICE
0255 PM MC COMB AND SUMMIT MS NUMEROUS TREES DOWNED BY
05/08/95 PIKE BY HIGH WINDS. REPORTED
BY CIVIL DEFENSE.
0300 PM WALKER LA SEVERAL MOBILE HOMES DAMAGED
05/08/95 LIVINGSTON AND NUMEROUS LARGE TREE LIMBS
DOWNED.
0245 PM BATON ROUGE LA TREES DOWNED AND SIDING RIPPED
05/08/95 EAST BATON ROUGE OFF APARTMENT COMPLEX.
0545 PM RACELAND LA TREES LIMBS DOWNED AND
05/08/95 LAFOURCHE POWER LINES.
1033 PM NEW ORLEANS LAKEFRONT LA WIND GUST TO 50 KNOTS.
05/08/95 AIRPORT NEW APPROXIMATELY 7 SMALL
ORLEANS AIRCRAFT OVERTURNED.
ONE HOUR RAINFALL 10PM TO
11PM CDT...4.57 INCHES
1030 PM ARABI LA THUNDERSTORM WIND OR POSSIBLE
5/8/95 ST BERNARD TORNADO HEAVILY DAMAGED A
SMALL BUSINESS AND A PUMPING
STATION.
......... ................ .................
STORM TOTAL RAINFALL AS OF MIDNIGHT....MOST FALLING SINCE 7PM CDT
MOISANT INTERNATIONAL AIRPORT...12.24 INCHES
NEW ORLEANS AUDUBON PARK...10.94 INCHES
NEW ORLEANS LAKE FRONT AIRPORT...10.58 INCHES.
SOME STORM TOTAL RAINFALL IN EXCESS OF 15 INCHES.
SEVERE STREET FLOODING IN METRO NEW ORLEANS WITH WATER ENTERING
MANY HOMES.Local storm report, May 9, 4:44 AM CDT, 2 hours 37 minutes before
PRELIMINARY LOCAL STORM REPORTS
NATIONAL WEATHER SERVICE NEW ORLEANS LA
445 AM CDT TUE MAY 9 1995
TIME(CDT) .....CITY LOCATION...... STATE ...EVENT/REMARKS...
....COUNTY LOCATION......
1205 AM PEARLINGTON MS PUBLIC REPORTS 2 TORNADOES ONE
05/09/95 HANCOCK IN THE DOWNTOWN AREA AND ONE NORTH
OF TOWN.
1215 AM PEARLINGTON MS PUBLIC REPORTS POSSIBLE TORNADO
05/09/95 HANCOCK DESTROYED 3 HOMES.
1215 AM PEARLINGTON MS HANCOCK SHERIFF OFFICE REPORTS
05/09/95 HANCOCK NUMEROUS TREES DOWN.
145 AM KILN AND DIAMOND HEAD MS WAVELAND POLICE DEPARTMENT REPORTS
05/09/95 HANCOCK EVACUATIONS DUE TO WATER ENTERING
HOMES.Local storm report, May 9, 4:48 AM CDT, 2 hours 33 minutes before
PRELIMINARY LOCAL STORM REPORTS
NATIONAL WEATHER SERVICE NEW ORLEANS LA
450 AM CDT TUE MAY 9 1995
TIME(CDT) .....CITY LOCATION...... STATE ...EVENT/REMARKS...
....COUNTY LOCATION......
1133 PM SLIDELL LA TORNADO HEAVILY DAMAGED SEVERAL
05/08/95 ST TAMMANY HOMES IN THE EDEN ISLES AREA OF
SLIDELL. FULL EXTENT OF DAMAGE
AND OR INJURIES UNKNOWN AT THIS
TIME.The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 8, 7:27 PM CDT | Severe Thunderstorm Warning | LIX | Lafourche, Saint Charles | 63 min |
| May 8, 7:27 PM CDT | Severe Thunderstorm Warning | LIX | Terrebonne | 63 min |
| May 8, 10:44 PM CDT | Severe Thunderstorm Warning | LIX | Orleans, Saint Bernard | 61 min |
| May 8, 11:22 PM CDT | Flash Flood Warning | LIX | Lafourche, Terrebonne | 2 hr |
| May 8, 11:43 PM CDT | Severe Thunderstorm Warning | LIX | Saint Tammany | 62 min |
| May 8, 11:43 PM CDT | Severe Thunderstorm Warning | LIX | Orleans | 62 min |
| May 8, 11:50 PM CDT | Flash Flood Warning | LIX | Jefferson, Saint Charles | 4 hr |
| May 8, 11:50 PM CDT | Flash Flood Warning | LIX | Orleans, Plaquemines, Saint Bernard | 4 hr |
| May 9, 12:36 AM CDT | Severe Thunderstorm Warning | LIX | Saint Tammany | 69 min |
| May 9, 3:19 AM CDT | Flash Flood Warning | LIX | Saint Tammany | 4 hr |
| May 9, 4:29 AM CDT | Severe Thunderstorm Warning | LIX | Saint Tammany | 61 min |
| May 9, 7:08 AM CDT | Flash Flood Warning | LIX | Saint Tammany | 4 hr |
| May 9, 7:21 AM CDT | Flash Flood Warning | LIX | Orleans, Plaquemines, Saint Bernard | 4 hr |
| May 9, 10:55 AM CDT | Flash Flood Warning | LIX | Saint Tammany | 3 hr |
| May 9, 11:20 AM CDT | Flash Flood Warning | LIX | Jefferson, Saint Charles | 4 hr |
| May 9, 11:20 AM CDT | Flash Flood Warning | LIX | Orleans | 4 hr |
Nearby
Flash Flood Warnings in Louisiana, 1995Every flash flood warning in 1995
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.