Alert archive / Mississippi / Flash Flood Warnings in 2003

Flash Flood Warning 78, NWS Jackson, MS

June 17, 2003Chicot County, Arkansas; Bolivar County, Washington County, Mississippi

NWS Jackson, MS issued this flash flood warning at Jun 17, 2003, 2:40 PM CDT for Chicot County, Arkansas; Bolivar County, Washington County, Mississippi. 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, 2:40 PM CDT (19:40 UTC)
Expired
Jun 17, 2003, 5:00 PM CDT
In force
2 hr
Issued by
NWS Jackson, MS
Area
Counties, with a storm outline in the text

Counties Chicot County, AR, Bolivar County, MS, Washington County, MS

The radar

The Little Rock radar (KLZK), 174 km from the middle of the area, began a volume at 19:43 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

Little Rock, AR (KLZK), launched 12:00Z, 7.7 hours before the alert went out and 168 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, Little Rock, AR at 12:00Z on 2003-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 872 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, Little Rock, AR at 12:00Z on 2003-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 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
872 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
609 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
86 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 171943
FFWJAN
ARC017-MSC011-151-172200-

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

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CHICOT COUNTY IN SOUTHEAST ARKANSAS
  BOLIVAR COUNTY IN NORTHWEST MISSISSIPPI
  WASHINGTON COUNTY IN NORTHWEST MISSISSIPPI

* UNTIL 500 PM CDT

* AT 240 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS PRODUCING VERY HEAVY RAIN FROM SHELBY TO 8 MILES     
  SOUTHWEST OF EUDORA...MOVING EAST AT 15 MPH.

RADAR ESTIMATED RAINFALL AMOUNTS OF NEAR 2 INCHES PER HOUR WILL BE 
POSSIBLE WITH THESE STORMS AS THEY BUILD EASTWARD. SEVERAL MERGERS
OF THUNDERSTORMS SHOULD ALSO ENHANCE THE RAINFALL RATES. 

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 3403 9096 3360 9132 3303 9146 3304 9095
          3404 9066

$$
1 follow-up statement
000 
WGUS74 KJAN 172155
FFSJAN
ARC017-MSC011-151-172205-

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

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

CHICOT COUNTY IN SOUTHEAST ARKANSAS
BOLIVAR COUNTY IN NORTHWEST MISSISSIPPI
WASHINGTON COUNTY IN NORTHWEST MISSISSIPPI

THE FLASH FLOOD WARNINGS FOR BOLIVAR...WASHINGTON AND CHICOT 
COUNTIES HAS BEEN ALLOWED TO EXPIRE. THE HEAVY RAINS RESPONSIBLE THE 
FLASH FLOODING HAVE MOVED NORTHWEST AND WEAKENED. AS A RESULT...RAIN 
FALL RATES HAVE DECREASED. ONLY LIGHT TO MODERATE SHOWERS ARE 
EXPECTED.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 12:48 PM CDTFlash Flood WarningJANAshley2 hr
Jun 17, 1:28 PM CDTSevere Thunderstorm WarningJANHolmes27 min
Jun 17, 1:34 PM CDTFlash Flood WarningJANGrenada2 hr
Jun 17, 1:52 PM CDTFlash Flood WarningJANHolmes2 hr
Jun 17, 3:49 PM CDTFlash Flood WarningJANSunflower3 hr

Nearby

Flash Flood Warnings in Mississippi, 2003Flash Flood Warnings in Arkansas, 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; radar from the NEXRAD Level II archive.