Alert archive / Mississippi / Flash Flood Warnings in 1995

Flash Flood Warning 10, NWS Jackson, MS

May 12, 1995Forrest County, Lamar County, Mississippi

NWS Jackson, MS issued this flash flood warning at May 12, 1995, 8:41 AM CDT for Forrest County, Lamar County, Mississippi. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
May 12, 1995, 8:41 AM CDT (13:41 UTC)
Expired
May 12, 1995, 1:45 PM CDT
In force
5 hr
Issued by
NWS Jackson, MS
Area
Whole counties

Counties Forrest County, MS, Lamar County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 1.7 hours before the alert went out and 110 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 1995-05-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 939 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 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 1995-05-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 86 square meters per square second.193958Sfc1 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
939 J/kg
Mixed-layer CIN
-102 J/kg
Mixed-layer LCL
908 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
86 m²/s²
0-3 km storm-relative helicity
181 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 121344
FFWJAN
MSC035-073-121845-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
841 AM CDT FRI MAY 12 1995
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  145 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHEAST MISSISSIPPI
 
   ...FORREST COUNTY...LAMAR COUNTY
 
AT 835 AM...NATIONAL WEATHER SERVICE RADARS FROM JACKSON AND NEW ORLEANS
INDICATED THAT 1.5 TO 2.5 INCHES OF RAIN HAVE FALLEN FROM 5AM TO 8AM
THIS MORNING...WITH THE POTENTIAL FOR AN ADDITIONAL TWO TO LOCALLY FOUR
INCHES OF RAIN POSSIBLE THIS MORNING.
 
TRAVELLERS ON HIGHWAY 49...AND PERSONS LIVING NEAR
PURVIS...BROOKLYN...BAXTERVILLE...LUMBERTON...ROCK HILL...MCLAURIN AND
CAMP SHELBY SHOULD KEEP A WATCH ON AREA STREAMS AND CREEKS AND BE
PREPARED TO SEEK HIGHER GROUND IMMEDIATELY WHEN HIGH WATER THREATENS.
 
YOU ARE URGED NOT TO TRAVEL THROUGH FLOODED ROADS OR LOW CROSSINGS.
 
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  DO NOT STAY IN AREAS SUBJECT TO FLASH FLOODING WHEN
WATER BEGINS RISING.  MOVE TO HIGHER GROUND.
<

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 12, 5:38 AM CDTSevere Thunderstorm WarningJANMarion52 min
May 12, 6:40 AM CDTSevere Thunderstorm WarningJANLamar35 min
May 12, 7:02 AM CDTSevere Thunderstorm WarningJANForrest28 min
May 12, 7:54 AM CDTFlash Flood WarningJANMarion5 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.