Alert archive / Louisiana / Flash Flood Warnings in 1995

Flash Flood Warning 2, NWS New Orleans, LA

April 11, 1995East Baton Rouge Parish, Pointe Coupee Parish, West Baton Rouge Parish, Louisiana

NWS New Orleans, LA issued this flash flood warning at Apr 11, 1995, 4:16 AM CDT for East Baton Rouge Parish, Pointe Coupee Parish, West Baton Rouge Parish, Louisiana. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Apr 11, 1995, 4:16 AM CDT (09:16 UTC)
Expired
Apr 11, 1995, 8:15 AM CDT
In force
4 hr
Issued by
NWS New Orleans, LA
Area
Whole counties

Counties East Baton Rouge Parish, LA, Pointe Coupee Parish, LA, West Baton Rouge Parish, LA

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 9.3 hours before the alert went out and 161 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.

Skew-T log-pSkew-T log-p diagram, Slidell Radar S, LA at 00:00Z on 1995-04-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 115 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 00:00Z on 1995-04-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
115 J/kg
Mixed-layer CIN
-275 J/kg
Mixed-layer LCL
1123 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
108 m²/s²
0-3 km storm-relative helicity
128 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.4

Open this sounding in Storm Lab

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 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, Apr 11, 1:45 AM CDT, 2 hours 31 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
145 AM CDT TUE APR 11 1995

TIME CST      PARISH            EVENT

316 PM        ST LANDRY         TREES DOWN WITH LIMB BLOCKING ROAD ON
                                HIGHWAY 361

340 PM        AVOYELLES         LIMBS DOWN VARIOUS PARISH LOCATIONS

415 PM        IBERVILLE         MARBLE SIZE HAIL IN PLAQUEMINE

730 PM        ST JAMES          ST JAMES E.O.C. REPORTS QUARTER SIZE HAIL
                                IN THE LUTCHER/GRAMERCY AREA

730 PM        LAKE              AUTO WIND GAUGE REPORTED 35 KT WIND GUST
              PONTCHARTRAIN

838 PM        ST BERNARD        PUBLIC REPORTS GOLF BALL SIZE HAIL AT
                                VIOLET

850 PM        ORLEANS           PUBLIC REPORT OF MARBLE SIZE HAIL ALONG
                                I-610 IN NEW ORLEANS

851 PM        ORLEANS           TELEVISION METEOROLOGIST REPORTS LARGE
                                MARBLE SIZE HAIL IN LAKEFRONT AREA

852 PM        ORLEANS           TIMES-PICAYUNE EMPLOYEE REPORTS MARBLE
                                SIZE HAIL AT OFFICE

855 PM        ORLEANS           NATIONAL WEATHER SERVICE METEOROLOGIST
                                REPORTS HALF-INCH HAIL NEAR LAKE VISTA AREA

855 PM        ORLEANS           WEATHER OBSERVER REPORTS GOLF BALL SIZE
                                HAIL IN METAIRIE

858 PM        ST BERNARD        NATIONAL WEATHER SERVICE METEOROLOGIST
                                REPORTS DIME SIZE HAIL IN CHALMETTE

858 PM        ORLEANS           WEATHER OBSERVER REPORTS NICKEL SIZE HAIL
                                ON JEFFERSON HIGHWAY NEAR OSHNER HOSPITAL
                                IN METAIRIE

900 PM        ORLEANS           PUBLIC REPORTS ON CELLULAR PHONE MARBLE
                                SIZE HAIL ON I-10 IN METAIRIE

902 PM        LAFOURCHE         LAFOURCHE S.O. REPORTS HAIL OF VARIOUS
                                SIZE JUST SOUTH OF LOCKPORT

1000 PM       HANCOCK CO        METEOROLOGIST REPORTS QUARTER INCH HAIL

1020 PM       CONCORDIA         CONCORDIA S.O. REPORTS TREES DOWN NEAR
                                WILDSVILLE 3 MI SOUTH OF U.S. HWY 84

1039 PM       CONCORDIA         CONCORDIA S.O. REPORTS TREE BLOCKING
                                LA HWY 900 1 MILE SOUTH OF U.S. HWY
                                65. POWER LINES DOWN. CAR CRASHED INTO
                                A TREE
Local storm report, Apr 11, 1:46 AM CDT, 2 hours 30 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
145 AM CDT TUE APR 11 1995

TIME CST      PARISH            EVENT

316 PM        ST LANDRY         TREES DOWN WITH LIMB BLOCKING ROAD ON
                                HIGHWAY 361

340 PM        AVOYELLES         LIMBS DOWN VARIOUS PARISH LOCATIONS

415 PM        IBERVILLE         MARBLE SIZE HAIL IN PLAQUEMINE

730 PM        ST JAMES          ST JAMES E.O.C. REPORTS QUARTER SIZE HAIL
                                IN THE LUTCHER/GRAMERCY AREA

730 PM        LAKE              AUTO WIND GAUGE REPORTED 35 KT WIND GUST
              PONTCHARTRAIN

838 PM        ST BERNARD        PUBLIC REPORTS GOLF BALL SIZE HAIL AT
                                VIOLET

850 PM        ORLEANS           PUBLIC REPORT OF MARBLE SIZE HAIL ALONG
                                I-610 IN NEW ORLEANS

851 PM        ORLEANS           TELEVISION METEOROLOGIST REPORTS LARGE
                                MARBLE SIZE HAIL IN LAKEFRONT AREA

852 PM        ORLEANS           TIMES-PICAYUNE EMPLOYEE REPORTS MARBLE
                                SIZE HAIL AT OFFICE

855 PM        ORLEANS           NATIONAL WEATHER SERVICE METEOROLOGIST
                                REPORTS HALF-INCH HAIL NEAR LAKE VISTA AREA

855 PM        ORLEANS           WEATHER OBSERVER REPORTS GOLF BALL SIZE
                                HAIL IN METAIRIE

858 PM        ST BERNARD        NATIONAL WEATHER SERVICE METEOROLOGIST
                                REPORTS DIME SIZE HAIL IN CHALMETTE

858 PM        ORLEANS           WEATHER OBSERVER REPORTS NICKEL SIZE HAIL
                                ON JEFFERSON HIGHWAY NEAR OSHNER HOSPITAL
                                IN METAIRIE

900 PM        ORLEANS           PUBLIC REPORTS ON CELLULAR PHONE MARBLE
                                SIZE HAIL ON I-10 IN METAIRIE

902 PM        LAFOURCHE         LAFOURCHE S.O. REPORTS HAIL OF VARIOUS
                                SIZE JUST SOUTH OF LOCKPORT

1000 PM       HANCOCK CO        METEOROLOGIST REPORTS QUARTER INCH HAIL

1020 PM       CONCORDIA         CONCORDIA S.O. REPORTS TREES DOWN NEAR
                                WILDSVILLE 3 MI SOUTH OF U.S. HWY 84

1039 PM       CONCORDIA         CONCORDIA S.O. REPORTS TREE BLOCKING
                                LA HWY 900 1 MILE SOUTH OF U.S. HWY
                                65. POWER LINES DOWN. CAR CRASHED INTO
                                A TREE
Local storm report, Apr 11, 3:30 AM CDT, 46 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
330 AM CDT TUE APR 11 1995

TIME CST      PARISH            EVENT

250 AM        WILKINSON         MISSISSIPPI HIGHWAY PATROL REPORTS NUMEROUS
               COUNTY MS        TREES DOWN ALONG HWY 24 AND 61 NORTH
Local storm report, Apr 11, 3:31 AM CDT, 45 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
330 AM CDT TUE APR 11 1995

TIME CST      PARISH            EVENT

250 AM        WILKINSON         MISSISSIPPI HIGHWAY PATROL REPORTS NUMEROUS
n               COUNTY MS        TREES DOWN ALONG HWY 24 AND 61 NORTH

The office that day

Everything else NWS New Orleans, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 10, 7:30 PM CDTSevere Thunderstorm WarningLIXAscension, Saint James, Saint John the Baptist45 min
Apr 10, 7:30 PM CDTSevere Thunderstorm WarningLIXTangipahoa45 min
Apr 10, 8:07 PM CDTSevere Thunderstorm WarningLIXJefferson, Lafourche, Saint Charles53 min
Apr 10, 8:24 PM CDTSevere Thunderstorm WarningLIXOrleans, Plaquemines, Saint Bernard51 min
Apr 10, 8:31 PM CDTSevere Thunderstorm WarningLIXSaint Tammany44 min
Apr 10, 10:05 PM CDTSevere Thunderstorm WarningLIXSaint Landry60 min
Apr 11, 12:45 AM CDTSevere Thunderstorm WarningLIXAvoyelles60 min
Apr 11, 2:09 AM CDTSevere Thunderstorm WarningLIXPointe Coupee, West Feliciana66 min
Apr 11, 2:56 AM CDTTornado WarningLIXEast Feliciana, West Feliciana64 min
Apr 11, 4:01 AM CDTTornado WarningLIXEast Baton Rouge, East Feliciana, West Baton Rouge59 min
Apr 11, 4:24 AM CDTTornado WarningLIXLivingston, Saint Helena66 min
Apr 11, 4:25 AM CDTFlash Flood WarningLIXEast Feliciana4 hr
Apr 11, 4:25 AM CDTFlash Flood WarningLIXEast Baton Rouge, Pointe Coupee, West Baton Rouge4 hr
Apr 11, 4:46 AM CDTTornado WarningLIXTangipahoa59 min
Apr 11, 5:10 AM CDTSevere Thunderstorm WarningLIXWashington65 min
Apr 11, 5:10 AM CDTSevere Thunderstorm WarningLIXSaint Tammany65 min
Apr 11, 5:22 AM CDTFlash Flood WarningLIXEast Feliciana2 hr
Apr 11, 5:34 AM CDTSevere Thunderstorm WarningLIXLivingston, Tangipahoa56 min
Apr 11, 5:44 AM CDTFlash Flood WarningLIXLivingston, Saint Helena, Tangipahoa4 hr
Apr 11, 6:09 AM CDTSevere Thunderstorm WarningLIXSaint Tammany, Tangipahoa66 min
Apr 11, 6:31 AM CDTSevere Thunderstorm WarningLIXSaint Tammany59 min
Apr 11, 7:04 AM CDTFlash Flood WarningLIXAscension3 hr
Apr 11, 7:39 AM CDTFlash Flood WarningLIXAscension2 hr
Apr 11, 8:14 AM CDTFlash Flood WarningLIXSaint Tammany, Tangipahoa, Washington2 hr
Apr 11, 8:25 AM CDTFlash Flood WarningLIXEast Feliciana, Pointe Coupee, West Baton Rouge4 hr
Apr 11, 8:25 AM CDTFlash Flood WarningLIXEast Baton Rouge4 hr
Apr 11, 10:03 AM CDTFlash Flood WarningLIXOrleans, Saint Bernard, Saint Tammany117 min

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.