Alert archive / Mississippi / Flash Flood Warnings in 2003

Flash Flood Warning 92, NWS Jackson, MS

June 30, 2003Forrest County, Lamar County, Marion County, Mississippi

NWS Jackson, MS issued this flash flood warning at Jun 30, 2003, 10:29 PM CDT for Forrest County, Lamar County, Marion County, Mississippi. It was in force for 4 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
Jun 30, 2003, 10:29 PM CDT (03:29 UTC)
Expired
Jul 1, 2003, 2:30 AM CDT
In force
4 hr
Issued by
NWS Jackson, MS
Area
Counties, with a storm outline in the text

Counties Forrest County, MS, Lamar County, MS, Marion County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 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 00:00Z on 2003-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 428 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 00:00Z on 2003-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 121 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
428 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
575 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
121 m²/s²
0-3 km storm-relative helicity
150 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 
WGUS54 KJAN 010332
FFWJAN
MSC035-073-091-010730-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1029 PM CDT MON JUN 30 2003

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  FORREST COUNTY IN SOUTHEAST MISSISSIPPI
  LAMAR COUNTY IN SOUTHEAST MISSISSIPPI
  MARION COUNTY IN SOUTH CENTRAL MISSISSIPPI

* UNTIL 230 AM CDT

* AT 1029 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS PRODUCING VERY HEAVY RAIN 12 MILES SOUTHWEST OF      
  PURVIS...MOVING NORTHEAST AT 20 MPH.

RADAR ESTIMATED RAINFALL AMOUNTS OF UP TO 1.5 INCHES IN THE PAST 
HOUR OVER CENTRAL LAMAR COUNTY.  OVER AN INCH OF RAIN WAS MEASURED 
IN THE PAST HOUR AT HATTIESBURG BOBBY L. CHAIN AIRPORT.  THE CENTER 
OF TROPICAL STORM BILL WILL BE PASSING THROUGH THE AREA OVER THE 
NEXT SEVERAL HOURS.  ADDITIONAL PERIODS OF HEAVY RAINFALL WILL 
LIKELY EXTEND THE THREAT FOR FLOODING OF CREEKS...STREAMS...AND LOW 
LYING AREAS WELL AFTER MIDNIGHT. 

LAT...LON 3128 9002 3103 8981 3104 8936 3095 8914
          3143 8920 3141 8979

$$

CRAVEN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 9:56 PM CDTFlash Flood WarningJANJefferson Davis, Lawrence4 hr
Jun 30, 10:53 PM CDTFlash Flood WarningJANClarke, Jasper, Jones6 hr
Jul 1, 12:49 AM CDTFlash Flood WarningJANKemper, Lauderdale, Leake, Neshoba, Newton, Scott5 hr

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.