Alert archive / Mississippi / Flash Flood Warnings in 2003

Flash Flood Warning 83, NWS Jackson, MS

June 27, 2003Forrest County, Lamar County, Mississippi

NWS Jackson, MS issued this flash flood warning at Jun 27, 2003, 1:48 PM CDT for Forrest County, Lamar County, Mississippi. It was in force for 3 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 27, 2003, 1:48 PM CDT (18:48 UTC)
Expired
Jun 27, 2003, 4:50 PM CDT
In force
3 hr
Issued by
NWS Jackson, MS
Area
Counties, with a storm outline in the text

Counties Forrest County, MS, Lamar County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 6.8 hours before the alert went out and 107 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 2003-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1408 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 12:00Z on 2003-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 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
1408 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
639 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
66 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 271849
FFWJAN
MSC035-073-272150-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
148 PM CDT FRI JUN 27 2003

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

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

* UNTIL 450 PM CDT

* AT 148 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED            
  THUNDERSTORMS PRODUCING VERY HEAVY RAIN NEAR HATTIESBURG AND 5     
  MILES EAST OF OLOH. THE STORMS ARE MOVING NORTHEAST AT 5 MPH.

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 3106 8961 3096 8916 3143 8917 3143 8964

$$
2 follow-up statements
000 
WGUS74 KJAN 271954
FFSJAN
MSC035-073-272150-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
249 PM CDT FRI JUN 27 2003

FLASH FLOOD WARNING REMAINS IN EFFECT FOR...

FORREST COUNTY IN SOUTHEAST MISSISSIPPI
LAMAR COUNTY IN SOUTHEAST MISSISSIPPI

THE FLASH FLOOD WARNING FOR FORREST AND LAMAR COUNTIES IN SOUTHEAST 
MISSISSIPPI CONTINUES. A WEAK SURFACE LOW PRESSURE AREA HAS 
DEVELOPED JUST NORTH OF A STATIONARY FRONT THAT IS LOCATED OVER A 
LINE THAT EXTENDS FROM HATTIESBURG TO OLOH. THE CIRCULATION AROUND 
THE LOW AND ALONG THE FRONT IS ALLOWING FOR THUNDERSTORMS TO MOVE 
FROM WEST TO EAST ACROSS AREAS THAT HAVE ALREADY RECEIVED UP TO TWO 
AND ONE HALF INCHES OF RAIN OVER THE PAST HOUR. 

$$
000 
WGUS74 KJAN 272202
FFSJAN
MSC035-073-272300-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
458 PM CDT FRI JUN 27 2003

FLASH FLOOD WARNING EXPIRED AT 450 PM CDT FOR...

FORREST COUNTY IN SOUTHEAST MISSISSIPPI
LAMAR COUNTY IN SOUTHEAST MISSISSIPPI

AT 455 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT 
WIDESPREAD LIGHT RAIN CONTINUES FROM MARION TO FORREST COUNTIES IN 
SOUTHEAST MISSISSIPPI.  STORM TOTALS OF UP TO 3 INCHES WERE 
ESTIMATED BY DOPPLER RADAR IN THE HATTIESBURG AREA AND JUST SOUTH OF 
BAXTERVILLE IN SOUTHERN LAMAR COUNTY.  HOWEVER...ADDITIONAL RAINFALL 
OVER THE NEXT HOUR OR TWO SHOULD BE ONLY ABOUT A TENTH OF AN INCH.   

UNLESS RENEWED HEAVY RAINS OCCUR...HIGH WATERS SHOULD CONTINUE TO 
RECEDE FOR THE REMAINDER OF THE EVENING.  

$$

CRAVEN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 10:19 PM CDTFlash Flood WarningJANRankin3 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.