Alert archive / Mississippi / Flash Flood Warnings in 1995

Flash Flood Warning 39, NWS New Orleans, LA

May 10, 1995Harrison County, Jackson County, Mississippi

NWS New Orleans, LA issued this flash flood warning at May 10, 1995, 2:30 AM CDT for Harrison County, Jackson County, Mississippi. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
May 10, 1995, 2:30 AM CDT (07:30 UTC)
Expired
May 10, 1995, 5:30 AM CDT
In force
3 hr
Issued by
NWS New Orleans, LA
Area
Whole counties

Counties Harrison County, MS, Jackson County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 7.5 hours before the alert went out and 84 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 1995-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3211 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 1995-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 20 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
3211 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
896 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
20 m²/s²
0-3 km storm-relative helicity
64 m²/s²
Significant tornado parameter
0.9
Supercell composite
4.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KNEW 100737
FFWNEW
MSC045-047-059-101030-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
230 AM CDT WED MAY 10 1995
 
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
FLASH FLOOD WARNING    EFFECTIVE UNTIL  530 AM CDT
FOR RESIDENTS IN THE FOLLOWING LOCATIONS...
 
IN SOUTH MISSISSIPPI
 
   ...HANCOCK COUNTY...AND HARRISON COUNTY...JACKSON
 
NATIONAL WEATHER SERVICE DOPPLER RADAR AT 228 AM CDT INDICATED
A LARGE AREA OF STRONG THUNDERSTORMS WITH VERY HEAVY RAINFALL
OVER MOST OF HANCOCK AND HARRISON COUNTIES AND MAINLY NORTH HALF
OF JACKSON COUNTY.  RAINFALL ESTIMATES OF 3 TO 4 INCHES WERE
INDICATED IN THE PAST 3 HOURS.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT.  IT'S
IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR
CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS.  CAMPERS SHOULD
AVOID CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS.
 
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.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.

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 10, 1:12 AM CDT, 1 hour 18 minutes before
PRELIMINARY LOCAL STORM REPORTS
NATIONAL WEATHER SERVICE NEW ORLEANS LA
115 AM CDT WED MAY 10 1995

TIME(CDT)  .....CITY LOCATION...... STATE ...EVENT/REMARKS...
           ....COUNTY LOCATION......

7 PM          NEW ORLEANS            LA   4 CONFIRMED DEATHS DUE TO
5/8/95        ORLEANS                     FLOODING.  REPORTED BY
 TO                                       ORLEANS EOC
4 AM
5/9/95
Local storm report, May 10, 1:15 AM CDT, 1 hour 15 minutes before
PRELIMINARY LOCAL STORM REPORTS
NATIONAL WEATHER SERVICE NEW ORLEANS LA
117 AM CDT WED MAY 10 1995

TIME(CDT)  .....CITY LOCATION...... STATE ...EVENT/REMARKS...
           ....COUNTY LOCATION......

7 PM          ST CHARLES PARISH      LA   3000 HOUSES SUSTAINED SOME
5/8/95                                    DAMAGE DUE TO FLOODING WHILE
 TO                                       1400 OF THESE HOUSES SUFFERED
4 AM                                      MAJOR DAMAGE.  REPORTED BY
5/9/95                                    ST CHARLES EOC
Local storm report, May 10, 1:53 AM CDT, 37 minutes before
PRELIMINARY LOCAL STORM REPORTS
NATIONAL WEATHER SERVICE NEW ORLEANS LA
135 AM CDT WED MAY 10 1995

TIME(CDT)  .....CITY LOCATION...... STATE ...EVENT/REMARKS...
           ....COUNTY LOCATION......

1005 PM       POPLARVILLE            MS   POSSIBLE TORNADO REPORTED BY
5/9/95        PEARL RIVER                 PUBLIC

1140 PM       LAKESHORE              MS   POSSIBLE TORNADO REPORTED BY
5/9/95        HANCOCK                     PUBLIC

1135 PM       LAKE CATHERINE         LA   WIND GUSTS TO 83 MPH
5/9/95        ORLEANS                     DAMAGE UNKNOWN AT THIS TIME

1240 AM       HENDERSON PT           MS   WATERSPOUT REPORTED BY S.O.
5/10/95       PASS CHRISTIAM
              HARRISON
848 PM CDT      JACKSON CITY     MS    BRIEF TORNADO REPORTED BY
5/9/95          JACKSON                THE PUBLIC

1150 PM CDT     SLIDELL          LA    WIDESPREAD FLOODING.  MANY
5/9/95          ST TAMMANY             SUBDIVISIONS UNDER HIGH| WATER.
                                       NUMEROUS STREETS AND ROADS
                                       IMPASSABLE AS REPORTED BY
                                       SLIDELL P.D.

The office that day

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

IssuedProductOfficeCountiesLasted
May 9, 7:18 PM CDTTornado WarningLIXHarrison57 min
May 9, 8:30 PM CDTSevere Thunderstorm WarningLIXPearl River60 min
May 9, 9:30 PM CDTSevere Thunderstorm WarningLIXPearl River30 min
May 9, 9:51 PM CDTSevere Thunderstorm WarningLIXHancock, Pearl River69 min
May 9, 10:14 PM CDTSevere Thunderstorm WarningLIXHarrison61 min
May 9, 11:29 PM CDTSevere Thunderstorm WarningLIXHancock61 min
May 9, 11:37 PM CDTSevere Thunderstorm WarningLIXHarrison68 min
May 9, 11:46 PM CDTFlash Flood WarningLIXHancock, Harrison3 hr
May 10, 12:19 AM CDTSevere Thunderstorm WarningLIXJackson56 min
May 10, 2:30 AM CDTFlash Flood WarningLIXHancock3 hr
May 10, 2:30 AM CDTSevere Thunderstorm WarningLIXHarrison, Jackson60 min
May 10, 3:01 AM CDTSevere Thunderstorm WarningLIXHancock59 min
May 10, 3:25 AM CDTSevere Thunderstorm WarningLIXJackson35 min
May 10, 3:48 AM CDTSevere Thunderstorm WarningLIXHancock, Harrison57 min
May 10, 5:30 AM CDTFlash Flood WarningLIXHancock, Harrison, Pearl River4 hr

Nearby

Flash Flood Warnings in Mississippi, 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.