Alert archive / Mississippi / Flash Flood Warnings in 1995

Flash Flood Warning 16, NWS New Orleans, LA

April 11, 1995Jackson County, Mississippi

NWS New Orleans, LA issued this flash flood warning at Apr 11, 1995, 10:32 AM CDT for Jackson County, Mississippi. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Apr 11, 1995, 10:32 AM CDT (15:32 UTC)
Expired
Apr 11, 1995, 1:30 PM CDT
In force
3 hr
Issued by
NWS New Orleans, LA
Area
Whole counties

County Jackson County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 3.5 hours before the alert went out and 106 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 12:00Z on 1995-04-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 546 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 12:00Z on 1995-04-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 300 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
546 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
561 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
300 m²/s²
0-3 km storm-relative helicity
454 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KNEW 111535
FFWNEW
MSC045-047-059-111830-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1032 AM CDT TUE APR 11 1995
 
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
FLASH FLOOD WARNING    EFFECTIVE UNTIL  130 PM CDT
FOR RESIDENTS IN THE FOLLOWING LOCATIONS...
 
IN SOUTH MISSISSIPPI
 
   ...HANCOCK COUNTY...HARRISON COUNTY...JACKSON COUNTY
 
AT 1030 AM CDT DOPPLER WEATHER RADAR SHOWED A BAND OF NUMEROUS
THUNDERSTORMS WITH HEAVY RAIN EXTENDING FROM MOBILE BAY ACROSS THE
MISSISSIPPI COUNTIES OF JACKSON...HANCOCK AND HARRISON. THESE
THUNDERSTORMS ARE MOVING EAST NORTHEAST AT 30 MILES AN HOUR.
 
HANCOCK COUNTY SHERIFFS OFFICE REPORTED WIDESPREAD STREET FLOODING
WITH SOME WATER ENTERING HOMES AT 1025 AM. JACKSON COUNTY SHERIFFS
OFFICE REPORTS SOME HOMES WERE FLOODED NEAR OCEANSPRINGS. IN ADDITION A
BUSINESSS ON HIGHWAY 90 JUST EAST OF PASCAGOULA WAS FLOODED.
 
AS OF 10 AM CDT DOPPLER WEATHER RADAR RAINFALL ESTIMATES SHOW THAT 2 TO
4 INCHES HAS FALLEN IN THE LAST 3 HOURS WITH SOME ISOLATED AREAS OF 4 TO
5 INCHES ALONG THE MISSISSIPPI GULF COAST. HEAVY RAINFALL LIKELY TO
CONTINUE FOR THE NEXT 3 HOURS.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT.  TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.
 
MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  NEVER TRY TO CROSS A FLOWING STREAM...EVEN A
SMALL ONE...ON FOOT.
 
 
 
&

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 10, 10:28 PM CDTSevere Thunderstorm WarningLIXHarrison, Jackson62 min
Apr 11, 2:09 AM CDTSevere Thunderstorm WarningLIXWilkinson66 min
Apr 11, 2:56 AM CDTTornado WarningLIXWilkinson64 min
Apr 11, 2:56 AM CDTTornado WarningLIXAmite64 min
Apr 11, 4:01 AM CDTTornado WarningLIXAmite, Pike59 min
Apr 11, 4:25 AM CDTFlash Flood WarningLIXAmite4 hr
Apr 11, 4:46 AM CDTTornado WarningLIXPike, Walthall59 min
Apr 11, 5:10 AM CDTSevere Thunderstorm WarningLIXWalthall65 min
Apr 11, 5:44 AM CDTFlash Flood WarningLIXPike4 hr
Apr 11, 6:31 AM CDTSevere Thunderstorm WarningLIXPearl River59 min
Apr 11, 8:25 AM CDTFlash Flood WarningLIXAmite4 hr
Apr 11, 10:32 AM CDTFlash Flood WarningLIXHancock, Harrison3 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.