Alert archive / Arkansas / Flash Flood Warnings in 2004

Flash Flood Warning 86, NWS Jackson, MS

November 23, 2004Ashley County, Chicot County, Arkansas; West Carroll Parish, Louisiana

NWS Jackson, MS issued this flash flood warning at Nov 23, 2004, 7:48 PM CST for Ashley County, Chicot County, Arkansas; West Carroll Parish, Louisiana. It was in force for 2 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: Nov 23, 2004, 7:48 PM CST (01:48 UTC)
Expired: Nov 23, 2004, 10:00 PM CST
In force: 2 hr
Issued by: NWS Jackson, MS
Area: Counties, with a storm outline in the text

Counties Ashley County, AR, Chicot County, AR, West Carroll Parish, LA

The radar

The Jackson/Brandon,MS radar (KDGX), 159 km from the middle of the area, began a volume at 01:49 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 1.8 hours before the alert went out and 150 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1370 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 857 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 185 m²/s²
0-3 km storm-relative helicity: 198 m²/s²
Significant tornado parameter: 1.9
Supercell composite: 6.1

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KJAN 240152
FFWJAN
ARC003-017-LAC123-240400-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
748 PM CST TUE NOV 23 2004

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WEST CARROLL PARISH IN NORTHEAST LOUISIANA
  SOUTHEAST ASHLEY COUNTY IN SOUTHEAST ARKANSAS
  THIS INCLUDES THE CITY OF WILMOT
  CHICOT COUNTY IN SOUTHEAST ARKANSAS
  THIS INCLUDES THE CITIES OF...LAKE VILLAGE...EUDORA

* UNTIL 1000 PM CST

* AT 748 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  FLASH FLOODING FROM A LINE OF THUNDERSTORM OVER THE WARNED AREA.   
  OVER THE PAST 4 HOURS...3 TO 4 INCHES OF RAIN HAS FALLEN OVER THIS 
  AREA.

* LOCATIONS IN THE WARNING INCLUDE PARKDALE...WILMOT...EUDORA AND   
  KILBOURN.

ADDITIONAL RAINFALL AMOUNTS OF 2 TO 4 INCHES ARE POSSIBLE IN THE 
WARNED AREA THROUGH 10 PM.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

LAT...LON 3302 9145 3284 9147 3297 9129 3327 9114
      3345 9124 3304 9171

$$

CME

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 23, 6:51 PM CST	Severe Thunderstorm Warning	JAN	Ashley	24 min
Nov 23, 7:36 PM CST	Severe Thunderstorm Warning	JAN	Morehouse	54 min
Nov 23, 8:32 PM CST	Tornado Warning	JAN	Franklin, Richland	58 min
Nov 23, 8:33 PM CST	Tornado Warning	JAN	Franklin, Richland	57 min
Nov 23, 8:54 PM CST	Tornado Warning	JAN	Catahoula	51 min
Nov 23, 9:05 PM CST	Severe Thunderstorm Warning	JAN	Madison	35 min
Nov 23, 9:35 PM CST	Severe Thunderstorm Warning	JAN	East Carroll	25 min
Nov 23, 9:46 PM CST	Tornado Warning	JAN	Catahoula, Tensas	59 min
Nov 23, 9:55 PM CST	Severe Thunderstorm Warning	JAN	Madison	35 min
Nov 23, 10:41 PM CST	Severe Thunderstorm Warning	JAN	Concordia	34 min
Nov 23, 11:01 PM CST	Tornado Warning	JAN	Concordia	39 min
Nov 23, 11:35 PM CST	Tornado Warning	JAN	Concordia	55 min
Nov 24, 12:49 AM CST	Severe Thunderstorm Warning	JAN	Catahoula	46 min
Nov 24, 12:58 AM CST	Severe Thunderstorm Warning	JAN	Franklin, Richland	42 min
Nov 24, 1:25 AM CST	Severe Thunderstorm Warning	JAN	Catahoula, Concordia, Tensas	50 min

Nearby

Flash Flood Warnings in Arkansas, 2004 Flash Flood Warnings in Louisiana, 2004 Every flash flood warning in 2004

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; radar from the NEXRAD Level II archive.