Alert archive / Mississippi / Flash Flood Warnings in 2002

Flash Flood Warning 51, NWS Jackson, MS

December 24, 20024 counties in Mississippi

NWS Jackson, MS issued this flash flood warning at Dec 24, 2002, 1:42 AM CST for 4 counties in 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
Dec 24, 2002, 1:42 AM CST (07:42 UTC)
Expired
Dec 24, 2002, 5:30 AM CST
In force
4 hr
Issued by
NWS Jackson, MS
Area
Counties, with a storm outline in the text

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

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 7.7 hours before the alert went out and 123 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 2002-12-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 18 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 2002-12-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 658 square meters per square second.1939587897Sfc1 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
18 J/kg
Mixed-layer CIN
-144 J/kg
Mixed-layer LCL
472 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
658 m²/s²
0-3 km storm-relative helicity
957 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.7

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KJAN 240742
FFWJAN
MSC035-067-073-091-241130-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
137 AM CST TUE DEC 24 2002

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

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

* UNTIL 530 AM CST

* AT 137 AM CST...WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS PRODUCING VERY HEAVY RAIN FROM 12 MILES NORTHEAST OF
  LAUREL TO 14 MILES SOUTH OF COLUMBIA.  THE AREA OF HEAVY RAIN WAS
  NEARLY STATIONARY.

RADAR ESTIMATED RAINFALL AND MEASURED RAIN GAUGE AMOUNTS OF 2 TO 3 
INCHES HAVE ALREADY FALLEN ACROSS MOST OF THE AREA.  SINCE THE 
PRIMARY LINE OF THUNDERSTORMS IS NOT EXPECTED TO MOVE THROUGH THE 
AREA UNTIL AROUND 400 AM CST...ANOTHER 1 TO 3 INCHES OF RAINFALL IS 
POSSIBLE.  FLOODING OF STREAMS...STREETS...AND LOW LYING AREAS IS 
LIKELY.  

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS.

LAT...LON 3142 8965 3116 8995 3104 8975 3103 8932
          3094 8931 3094 8916 3145 8916 3147 8894
          3181 8896 3172 8930 3143 8939

$$

CRAVEN
1 follow-up statement
000 
WGUS74 KJAN 240937
FFSJAN
MSC035-067-073-091-241130-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
331 AM CST TUE DEC 24 2002

FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 530 AM CST FOR...

JONES COUNTY IN SOUTHEAST MISSISSIPPI
FORREST COUNTY IN SOUTHEAST MISSISSIPPI
LAMAR COUNTY IN SOUTHEAST MISSISSIPPI
MARION COUNTY IN SOUTH CENTRAL MISSISSIPPI

DOPPLER RADAR INDICATED THAT THE FINAL LINE OF THUNDERSTORMS WILL 
MOVE ACROSS THE FORECAST AREA IN THE NEXT HOUR...WITH RAINFALL 
TAPERING OFF AND ENDING AROUND 530 AM CST.

RADAR ESTIMATES AND MEASURED GAUGE REPORTS INDICATE THAT WIDESPREAD 
RAINFALL OF 2 TO 4 INCHES HAS ACCUMULATED OVERNIGHT.  RAINFALL RATES 
OF UP TO HALF AN INCH PER HOUR ARE EXPECTED AS THE FINAL LINE OF 
THUNDERSTORMS MOVES THROUGH.  FLOODING OF STREETS...STREAMS...AND 
LOW LYING AREAS WILL LIKELY CONTINUE FOR THE NEXT COUPLE OF HOURS. 

$$

CRAVEN

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 23, 8:07 PM CSTTornado WarningJANLamar28 min
Dec 23, 8:20 PM CSTTornado WarningJANForrest30 min
Dec 23, 9:05 PM CSTFlash Flood WarningJANBolivar, Carroll, Grenada, Holmes, Humphreys, Issaquena and 7 more6 hr
Dec 23, 9:32 PM CSTSevere Thunderstorm WarningJANYazoo43 min
Dec 23, 10:56 PM CSTSevere Thunderstorm WarningJANHinds, Rankin29 min
Dec 23, 11:22 PM CSTFlash Flood WarningJANHinds, Rankin113 min
Dec 23, 11:50 PM CSTSevere Thunderstorm WarningJANNeshoba, Newton30 min
Dec 24, 12:31 AM CSTFlash Flood WarningJANAdams, Claiborne, Copiah, Franklin, Jefferson3 hr
Dec 24, 12:41 AM CSTSevere Thunderstorm WarningJANLamar, Marion29 min
Dec 24, 12:56 AM CSTSevere Thunderstorm WarningJANForrest39 min
Dec 24, 1:17 AM CSTSevere Thunderstorm WarningJANAdams38 min
Dec 24, 1:20 AM CSTFlash Flood WarningJANHinds, Rankin3 hr
Dec 24, 1:22 AM CSTSevere Thunderstorm WarningJANCopiah, Lincoln28 min
Dec 24, 1:24 AM CSTSevere Thunderstorm WarningJANJones31 min
Dec 24, 1:42 AM CSTSevere Thunderstorm WarningJANClaiborne, Jefferson28 min
Dec 24, 1:45 AM CSTSevere Thunderstorm WarningJANSimpson30 min
Dec 24, 1:50 AM CSTSevere Thunderstorm WarningJANFranklin35 min
Dec 24, 2:02 AM CSTSevere Thunderstorm WarningJANCopiah33 min
Dec 24, 2:06 AM CSTSevere Thunderstorm WarningJANClarke39 min
Dec 24, 2:10 AM CSTSevere Thunderstorm WarningJANForrest40 min
Dec 24, 2:12 AM CSTSevere Thunderstorm WarningJANLincoln38 min
Dec 24, 2:26 AM CSTTornado WarningJANClarke29 min
Dec 24, 2:32 AM CSTSevere Thunderstorm WarningJANHinds33 min
Dec 24, 2:43 AM CSTSevere Thunderstorm WarningJANRankin, Simpson32 min
Dec 24, 2:45 AM CSTSevere Thunderstorm WarningJANJones30 min
Dec 24, 2:50 AM CSTSevere Thunderstorm WarningJANLawrence30 min
Dec 24, 2:54 AM CSTSevere Thunderstorm WarningJANJefferson Davis31 min
Dec 24, 2:58 AM CSTSevere Thunderstorm WarningJANClarke17 min
Dec 24, 3:11 AM CSTSevere Thunderstorm WarningJANCovington, Smith29 min
Dec 24, 3:18 AM CSTSevere Thunderstorm WarningJANMarion32 min
Dec 24, 3:25 AM CSTSevere Thunderstorm WarningJANJasper, Jones30 min
Dec 24, 3:36 AM CSTSevere Thunderstorm WarningJANForrest, Lamar39 min
Dec 24, 3:43 AM CSTSevere Thunderstorm WarningJANClarke42 min
Dec 24, 3:59 AM CSTTornado WarningJANForrest21 min
Dec 24, 4:02 AM CSTTornado WarningJANForrest18 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.