Alert archive / Mississippi / Flash Flood Warnings in 2003

Flash Flood Warning 96, NWS Jackson, MS

July 2, 2003Forrest County, Mississippi

NWS Jackson, MS issued this flash flood warning at Jul 2, 2003, 7:10 PM CDT for Forrest County, Mississippi. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 2, 2003, 7:10 PM CDT (00:10 UTC)
Expired
Jul 2, 2003, 9:10 PM CDT
In force
2 hr
Issued by
NWS Jackson, MS
Area
Counties, with a storm outline in the text

County Forrest County, MS

The radar

The Mobile radar (KMOB), 105 km from the middle of the area, began a volume at 00:09 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 00:00Z, 0.2 hours before the alert went out and 97 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 2003-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1329 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 2003-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 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
1329 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
974 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
35 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KJAN 030013
FFWJAN
MSC035-030210-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
710 PM CDT WED JUL 2 2003

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  FORREST COUNTY IN SOUTHEAST MISSISSIPPI

* UNTIL 910 PM CDT

* AT 710 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS PRODUCING VERY HEAVY RAIN OVER BROOKLYN...OR ABOUT 15
  MILES NORTHWEST OF WIGGINS...MOVING EAST AT 15 MPH.

RADAR INDICATES THAT BETWEEN ONE AND THREE INCHES OF RAIN HAS FALLEN 
OVER SOUTHERN PORTIONS OF FORREST COUNTY...WITH AN ADDITIONAL ONE TO TWO 
INCHES POSSIBLE.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT. IT IS
IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR
CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS.

MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO
CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY.

LAT...LON 3092 8932 3093 8914 3121 8915 3120 8934

$$
2 follow-up statements
000 
WGUS74 KJAN 030107
FFSJAN
MSC035-030210-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
802 PM CDT WED JUL 2 2003

FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 910 PM FOR...

FORREST COUNTY IN SOUTHEAST MISSISSIPPI

AT 805 PM...RADAR CONTINUED TO INDICATE MODERATE TO HEAVY RAINFALL 
OVER CENTRAL AND SOUTHERN PORTIONS OF FORREST COUNTY.  RAINFALL 
RATES OF ONE HALF TO ONE INCH PER HOUR SHOULD BEGIN TO DIMINISH 
AFTER 830 PM.

HEAVY RAIN COULD CAUSE FLASH FLOODING OF SMALL CREEKS AND 
STREAMS...HIGHWAYS AND SECONDARY ROADS AS WELL AS POOR DRAINAGE 
AREAS AND LOW LYING SPOTS.  DO NOT ATTEMPT TO DRIVE ACROSS 
BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY.

$$
000 
WGUS74 KJAN 030203
FFSJAN
MSC035-030300-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
902 PM CDT WED JUL 2 2003

FLASH FLOOD WARNING FOR FORREST COUNTY WILL BE ALLOWED TO EXPIRE AT 
910 PM...

RADAR INDICATES THAT THE SHOWERS AND THUNDERSTORMS RESPONSIBLE FOR 
THE FLASH FLOODING HAVE DISSIPATED AND NO LONGER POSE A THREAT.

$$

Nearby

Flash Flood Warnings in Mississippi, 2003Every flash flood warning in 2003

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.