Alert archive / Mississippi / Flash Flood Warnings in 2004

Flash Flood Warning 75, NWS Jackson, MS

July 15, 2004Issaquena County, Mississippi

NWS Jackson, MS issued this flash flood warning at Jul 15, 2004, 7:39 PM CDT for Issaquena 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: Jul 15, 2004, 7:39 PM CDT (00:39 UTC)
Expired: Jul 15, 2004, 9:40 PM CDT
In force: 2 hr
Issued by: NWS Jackson, MS
Area: Counties, with a storm outline in the text

County Issaquena County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 108 km from the middle of the area, began a volume at 00:42 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, 0.7 hours before the alert went out and 98 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: 211 J/kg
Mixed-layer CIN: -289 J/kg
Mixed-layer LCL: 2104 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 68 m²/s²
0-3 km storm-relative helicity: 71 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 160043
FFWJAN
MSC055-160240-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
739 PM CDT THU JUL 15 2004

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ISSAQUENA COUNTY IN WEST CENTRAL MISSISSIPPI

* UNTIL 940 PM CDT

* AT 739 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED   
THUNDERSTORMS PRODUCING VERY HEAVY RAIN OVER ISSAQUENA COUNTY.

RADAR ESTIMATED RAINFALL AMOUNTS OF 2 TO 3 INCHES...EXPECT ANOTHER 1 
TO 2 INCHES OVER THE NEXT 2 HOURS.

LAT...LON 3273 9098 3271 9106 3266 9112 3263 9102

$$

1 follow-up statement

000 
WGUS74 KJAN 160207
FFSJAN
MSC055-160240-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
904 PM CDT THU JUL 15 2004

THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR...

ISSAQUENA COUNTY IN WEST CENTRAL MISSISSIPPI.

RAIN ENDED OVER SOUTHERN PORTIONS OF THE COUNTY OVER 45 MINUTES AGO 
AND NO FLOODING IS BEING REPORTED. 


$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 16, 10:07 AM CDT	Severe Thunderstorm Warning	JAN	Attala, Holmes	28 min
Jul 16, 11:03 AM CDT	Flash Flood Warning	JAN	Grenada	2 hr
Jul 16, 11:13 AM CDT	Severe Thunderstorm Warning	JAN	Neshoba	42 min
Jul 16, 11:34 AM CDT	Severe Thunderstorm Warning	JAN	Montgomery	61 min
Jul 16, 11:40 AM CDT	Flash Flood Warning	JAN	Montgomery	2 hr
Jul 16, 11:57 AM CDT	Flash Flood Warning	JAN	Forrest, Lamar	118 min
Jul 16, 12:00 PM CDT	Severe Thunderstorm Warning	JAN	Forrest	45 min
Jul 16, 12:06 PM CDT	Severe Thunderstorm Warning	JAN	Webster	44 min
Jul 16, 12:24 PM CDT	Severe Thunderstorm Warning	JAN	Choctaw	46 min
Jul 16, 12:32 PM CDT	Severe Thunderstorm Warning	JAN	Jasper	43 min
Jul 16, 12:32 PM CDT	Severe Thunderstorm Warning	JAN	Clarke	68 min
Jul 16, 12:33 PM CDT	Severe Thunderstorm Warning	JAN	Winston	47 min
Jul 16, 12:40 PM CDT	Severe Thunderstorm Warning	JAN	Lamar	30 min
Jul 16, 12:44 PM CDT	Severe Thunderstorm Warning	JAN	Oktibbeha	51 min
Jul 16, 2:14 PM CDT	Severe Thunderstorm Warning	JAN	Covington, Jones	41 min
Jul 16, 2:54 PM CDT	Severe Thunderstorm Warning	JAN	Jasper, Smith	61 min
Jul 16, 3:01 PM CDT	Severe Thunderstorm Warning	JAN	Rankin	59 min
Jul 16, 3:46 PM CDT	Severe Thunderstorm Warning	JAN	Simpson	44 min
Jul 16, 4:31 PM CDT	Severe Thunderstorm Warning	JAN	Hinds	44 min
Jul 16, 4:48 PM CDT	Severe Thunderstorm Warning	JAN	Madison	47 min
Jul 16, 5:24 PM CDT	Severe Thunderstorm Warning	JAN	Lamar	61 min
Jul 16, 5:27 PM CDT	Severe Thunderstorm Warning	JAN	Rankin	58 min
Jul 16, 5:54 PM CDT	Severe Thunderstorm Warning	JAN	Copiah	46 min

Nearby

Flash Flood Warnings in Mississippi, 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.