Alert archive / Mississippi / Flash Flood Warnings in 1995

Flash Flood Warning 13, NWS Jackson, MS

August 4, 1995Forrest County, Lamar County, Mississippi

NWS Jackson, MS issued this flash flood warning at Aug 4, 1995, 4:33 PM CDT for Forrest County, Lamar County, Mississippi. It was in force for 117 min.

The area

The counties it named.

The facts

Issued
Aug 4, 1995, 4:33 PM CDT (21:33 UTC)
Expired
Aug 4, 1995, 6:30 PM CDT
In force
117 min
Issued by
NWS Jackson, MS
Area
Whole counties

Counties Forrest County, MS, Lamar County, MS

The radar

The Mobile radar (KMOB), 123 km from the middle of the area, began a volume at 21:36 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 9.6 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 1995-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1102 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 1995-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -18 square meters per square second.1939Sfc1 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
1102 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
807 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-18 m²/s²
0-3 km storm-relative helicity
7 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 042136
FFWJAN
MSC035-073-042330-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
433 PM CDT FRI AUG 4 1995
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  630 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHEAST MISSISSIPPI
 
   ...FORREST COUNTY...LAMAR COUNTY
 
AT 430 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A BAND OF STRONG
THUNDERSTORMS MOVING ACROSS SOUTHEAST MISSISSIPPI. THE HEAVIEST RAINS
WERE CONCENTRATED OVER CENTRAL LAMAR COUNTY...ACROSS THE HATTIESBURG
AREA IN FORREST COUNTY. RAINFALL AMOUNTS AROUND 3 TO 3 1/2 INCHES PER
HOUR HAVE RESULTED IN THE FLOODING OF STREETS AND ROADS IN THE
HATTIESBURG AREA OVER THE PAST HOUR.
 
PERSONS LIVING NEAR STREAMS AND LOW SPOTS PRONE TO FLASH FLOODING IN
LAMAR AND FORREST COUNTIES SHOULD KEEP AN EYE OUT FOR RISING FLOOD
WATERS.
 
MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT ATTEMPT
TXO CROSS BRIDGES OR LOW SPOTS IF WATER COVERS THE ROAD.  NEVER
TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT.
 
STAY TUNED TO NOAA WEATHER RADIO OR LOCAL RADIO AND TELEVISION FOR
FURTHER UPDATES AND POSSIBLE WARNINGS.

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; radar from the NEXRAD Level II archive.