Alert archive / Mississippi / Flash Flood Warnings in 2003

Flash Flood Warning 87, NWS Jackson, MS

June 30, 2003Kemper County, Lauderdale County, Mississippi

NWS Jackson, MS issued this flash flood warning at Jun 30, 2003, 3:34 AM CDT for Kemper County, Lauderdale County, Mississippi. It was in force for 6 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, 3:34 AM CDT (08:34 UTC)
Expired
Jun 30, 2003, 9:25 AM CDT
In force
6 hr
Issued by
NWS Jackson, MS
Area
Counties, with a storm outline in the text

Counties Kemper County, MS, Lauderdale County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 8.6 hours before the alert went out and 131 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, Jackson, MS at 00:00Z on 2003-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1362 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, Jackson, MS at 00:00Z on 2003-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -23 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
1362 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
1046 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-23 m²/s²
0-3 km storm-relative helicity
21 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 300834
FFWJAN
MSC069-075-301425-

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

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  LAUDERDALE COUNTY IN EAST CENTRAL MISSISSIPPI
  KEMPER COUNTY IN EAST CENTRAL MISSISSIPPI

* UNTIL 925 AM CDT

* AT 334 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS PRODUCING VERY HEAVY RAIN ALONG THE KEMPER AND 
  LAUDERDALE COUNTY LINE.  DOPPLER RADAR SHOWED THAT BETWEEN 1.5 AND 
  2 INCHES HAVE FALLEN OVER AREAS BETWEEN DE KALB AND MERIDIAN.  
  WITH MORE BANDS OF RAIN EXPECTED TO MOVE ACROSS THIS AREA OVER THE 
  NEXT SEVERAL HOURS...THE POTENTIAL EXISTS FOR FLASH FLOODING...
  ESPECIALLY IN AND AROUND ANY CREEKS...STREAMS...OR LOW SPOTS.

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

PLEASE REPORT SEVERE WEATHER TO YOUR LOCAL LAW ENFORCEMENT AGENCY.  
THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN 
JACKSON.

LAT...LON 3222 8891 3224 8842 3292 8836 3292 8890

$$

10
1 follow-up statement
000 
WGUS74 KJAN 301112
FFSJAN
MSC069-075-301405-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
610 AM CDT MON JUN 30 2003

FLASH FLOOD WARNING REMAINS IN EFFECT FOR...

LAUDERDALE COUNTY IN EAST CENTRAL MISSISSIPPI AND
KEMPER COUNTY IN EAST CENTRAL MISSISSIPPI

UNTIL 925 AM.

ADDITIONAL SHOWERS AND THUNDERSTORMS ARE DEVELOPING ACROSS SOUTHERN 
MISSISSIPPI AND ARE MOVING NORTHWARD. THIS AREA OF RAINFALL WILL 
LIKELY EFFECT LAUDERDALE AND KEMPER COUNTIES BETWEEN 8 AND 9 AM. 
THIS AREA OF RAIN WILL CAPABLE OF PRODUCING 1 TO 2 INCHES OF RAIN 
ACROSS AREAS THAT HAVE ALREADY SEEN 2 TO 3 INCHES SINCE SUNDAY 
EVENING. ANY ADDITIONAL RAINS MAY CAUSE ROADS AND LOW LYING AREAS TO 
BECOME FLOODED.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 11:47 PM CDTFlash Flood WarningJANJones6 hr
Jun 30, 2:00 AM CDTFlash Flood WarningJANClarke6 hr
Jun 30, 7:26 AM CDTFlash Flood WarningJANGrenada3 hr
Jun 30, 4:28 PM CDTFlash Flood WarningJANForrest, Lamar, Marion6 hr
Jun 30, 5:08 PM CDTFlash Flood WarningJANJones6 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.