Alert archive / Arkansas / Flash Flood Warnings in 2003

Flash Flood Warning 75, NWS Jackson, MS

June 17, 2003Ashley County, Arkansas; Morehouse Parish, Louisiana

NWS Jackson, MS issued this flash flood warning at Jun 17, 2003, 12:48 PM CDT for Ashley County, Arkansas; Morehouse 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
Jun 17, 2003, 12:48 PM CDT (17:48 UTC)
Expired
Jun 17, 2003, 3:00 PM CDT
In force
2 hr
Issued by
NWS Jackson, MS
Area
Counties, with a storm outline in the text

Counties Ashley County, AR, Morehouse Parish, LA

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 5.8 hours before the alert went out and 181 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 12:00Z on 2003-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1579 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 12:00Z on 2003-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 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
1579 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
836 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
9 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 171750
FFWJAN
ARC003-LAC067-172000-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1248 PM CDT TUE JUN 17 2003

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ASHLEY COUNTY IN SOUTHEAST ARKANSAS
  MOREHOUSE PARISH IN NORTHEAST LOUISIANA

* UNTIL 300 PM CDT

* AT 1248 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED   
THUNDERSTORMS PRODUCING VERY HEAVY RAIN FROM 13 MILES NORTHEAST OF 
HAMBURG TO 7 MILES NORTH OF BASTROP...MOVING NORTHEAST AT 20 MPH.

RADAR ESTIMATED RAINFALL AMOUNTS OF ONE TO THREE INCHES PER HOUR CAN 
BE EXPECTED WITH THE STRONGER STORMS.

VERY HEAVY RAIN FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER
LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING.

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 3340 9199 3278 9200 3274 9165 3300 9147
          3340 9146

$$
3 follow-up statements
000 
WGUS74 KJAN 171907
FFSJAN
ARC003-LAC067-172000-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
201 PM CDT TUE JUN 17 2003

FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 3 PM CDT FOR...

ASHLEY COUNTY IN SOUTHEAST ARKANSAS
MOREHOUSE PARISH IN NORTHEAST LOUISIANA

AT 200 PM...RADAR INDICATED A BAND OF STRONG THUNDERSTORMS PRODUCING 
RAINFALL RATES OF 1 TO 2 INCHES PER HOUR FROM PARKDALE TO WILMOT TO 
BONITA...MOVING NORTHEAST AT 10 MPH. RAINFALL ELSEWHERE WAS AVERAGING
ONE QUARTER TO ONE HALF INCH ON TOP OF THE EARLIER AMOUNTS. 

COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS 
AND OTHER LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING. DO NOT 
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE 
ROADWAY.

$$
000 
WGUS74 KJAN 172007
FFSJAN
ARC003-LAC067-172025-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
306 PM CDT TUE JUN 17 2003

FLASH FLOOD HAS BEEN ALLOWED TO EXPIRE FOR...

ASHLEY COUNTY IN SOUTHEAST ARKANSAS
MOREHOUSE PARISH IN NORTHEAST LOUISIANA

THE LINE OF THUNDERSTORMS RESPONSIBLE FOR PRODUCING TORRENTIAL RAINS 
ACROSS ASHLEY COUNTY AND MOREHOUSE PARISH HAS MOVED EAST. THEREFORE 
THE FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE.

$$
000 
WGUS74 KJAN 172011 CCA
FFSJAN
ARC003-LAC067-172025-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
306 PM CDT TUE JUN 17 2003...COR HEADER...

FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE FOR...

ASHLEY COUNTY IN SOUTHEAST ARKANSAS
MOREHOUSE PARISH IN NORTHEAST LOUISIANA

THE LINE OF THUNDERSTORMS RESPONSIBLE FOR PRODUCING TORRENTIAL RAINS
ACROSS ASHLEY COUNTY AND MOREHOUSE PARISH HAS MOVED EAST. THEREFORE
THE FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 2:40 PM CDTFlash Flood WarningJANChicot2 hr
Jun 17, 3:21 PM CDTFlash Flood WarningJANWest Carroll2 hr
Jun 17, 4:14 PM CDTFlash Flood WarningJANMorehouse3 hr

Nearby

Flash Flood Warnings in Arkansas, 2003Flash Flood Warnings in Louisiana, 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.