Alert archive / Mississippi / Flash Flood Warnings in 2002

Flash Flood Warning 18, NWS Jackson, MS

June 23, 2002Claiborne County, Jefferson County, Mississippi

NWS Jackson, MS issued this flash flood warning at Jun 23, 2002, 7:44 PM CDT for Claiborne County, Jefferson County, Mississippi. It was in force for 116 min. 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 23, 2002, 7:44 PM CDT (00:44 UTC)
Expired
Jun 23, 2002, 9:40 PM CDT
In force
116 min
Issued by
NWS Jackson, MS
Area
Counties, with a storm outline in the text

Counties Claiborne County, MS, Jefferson County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 0.7 hours before the alert went out and 102 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 2002-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2077 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, Jackson, MS at 00:00Z on 2002-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 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
2077 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
731 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
12 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 240044
FFWJAN
MSC021-063-240240-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
742 PM CDT SUN JUN 23 2002

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CLAIBORNE COUNTY IN SOUTHWEST MISSISSIPPI
  JEFFERSON COUNTY IN SOUTHWEST MISSISSIPPI

* UNTIL 940 PM CDT

* AT 742 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS PRODUCING VERY HEAVY RAIN 7 MILES SOUTH OF PORT      
  GIBSON. THE STORMS WERE NEARLY STATIONARY.

RADAR ESTIMATED RAINFALL AMOUNTS OF...4 TO 5 INCHES HAS FALLEN SINCE 
630 PM. AN ADDITIONAL 1 INCH IS POSSIBLE BY 830 PM.

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 3177 9112 3170 9089 3190 9076 3199 9106
1 follow-up statement
000 
WGUS74 KJAN 240140
FFSJAN
MSC021-063-240240-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
837 PM CDT SUN JUN 23 2002

FLASH FLOOD WARNING FOR...

CLAIBORNE COUNTY IN SOUTHWEST MISSISSIPPI
JEFFERSON COUNTY IN SOUTHWEST MISSISSIPPI
 
HAS BEEN CANCELED.

THE HEAVY RAINFALL HAS MOVED OUT OF THE AREA AND THE POTENTIAL FOR 
FLOODING HAS DIMINSIHED.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 5:34 PM CDTSevere Thunderstorm WarningJANYazoo46 min
Jun 24, 6:00 PM CDTSevere Thunderstorm WarningJANHinds50 min

Nearby

Flash Flood Warnings in Mississippi, 2002Every flash flood warning in 2002

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.