Alert archive / Mississippi / Flash Flood Warnings in 2004

Flash Flood Warning 63, NWS Jackson, MS

June 30, 2004Choctaw County, Winston County, Mississippi

NWS Jackson, MS issued this flash flood warning at Jun 30, 2004, 5:10 PM CDT for Choctaw County, Winston 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 30, 2004, 5:10 PM CDT (22:10 UTC)
Expired
Jun 30, 2004, 7:10 PM CDT
In force
2 hr
Issued by
NWS Jackson, MS
Area
Counties, with a storm outline in the text

Counties Choctaw County, MS, Winston County, MS

The radar

The Columbus AFB radar (KGWX), 114 km from the middle of the area, began a volume at 22:09 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 12:00Z, 10.2 hours before the alert went out and 125 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 2004-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 515 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 2004-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 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
515 J/kg
Mixed-layer CIN
-55 J/kg
Mixed-layer LCL
647 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
49 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 302213
FFWJAN
MSC019-159-010010-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
510 PM CDT WED JUN 30 2004

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN CHOCTAW COUNTY IN CENTRAL MISSISSIPPI
  WESTERN WINSTON COUNTY IN EAST CENTRAL MISSISSIPPI

* UNTIL 710 PM CDT

* AT 510 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED            
  THUNDERSTORMS PRODUCING VERY HEAVY RAIN OVER SOUTHERN CHOCTAW AND  
  WESTERN WINSTON COUNTIES...MAINLY SOUTH OF ACKERMAN AND WEST OF    
  LOUISVILLE. THE AREA OF HEAVY RAIN WAS NEARLY STATIONARY.

RADAR ESTIMATED RAINFALL AMOUNTS OF ONE AND A HALF TO THREE INCHES 
BETWEEN 4 AND 5 PM HAVE BEEN INDICATED OVER THIS AREA. WITH THE 
GROUND SATURATED...THIS RAINFALL WILL QUICKLY RUNOFF INTO AREA 
STREAMS AND CREEKS. FLOODING OF ROADWAYS IS LIKELY...PARTICULARLY IN 
THE AREA NEAR HIGHWAY 405. 

LAT...LON 3329 8929 3306 8931 3298 8915 3328 8902

$$
1 follow-up statement
000 
WGUS74 KJAN 302348
FFSJAN
MSC019-159-010030-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
645 PM CDT WED JUN 30 2004

FLASH FLOOD WARNING WILL EXPIRE AT 710 PM CDT FOR...

SOUTHERN CHOCTAW COUNTY IN CENTRAL MISSISSIPPI
WESTERN WINSTON COUNTY IN EAST CENTRAL MISSISSIPPI

AT 644 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT THE HEAVY RAIN PRODUCING STORMS ACROSS THE WARNING AREA HAD 
WEAKENED AND MOVED EAST. 

BETWEEN 2 AND 4 INCHES OF RAIN FELL ACROSS MUCH OF THE WARNING AREA 
EARLIER THIS EVENING...AND THIS PRODUCED FLASH FLOODING OF BACKROADS 
AND WASHED OUT CULVERTS OVER SOUTHERN CHOCTAW COUNTY. HOWEVER...THE 
RAIN HAS DIMINISHED AND THIS SHOULD ALLOW CONDITIONS TO GRADUALLY 
IMPROVE OVER THE NEXT COUPLE OF HOURS.

A FLASH FLOOD WATCH REMAINS IN EFFECT FOR THE AREA OVERNIGHT TONIGHT.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 7:15 PM CDTFlash Flood WarningJANLauderdale, Newton105 min
Jun 29, 7:58 PM CDTFlash Flood WarningJANLeake, Madison117 min
Jun 30, 3:06 PM CDTFlash Flood WarningJANLincoln59 min

Nearby

Flash Flood Warnings in Mississippi, 2004Every 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.