Alert archive / Mississippi / Flash Flood Warnings in 2004

Flash Flood Warning 68, NWS Jackson, MS

July 2, 2004Rankin County, Mississippi

NWS Jackson, MS issued this flash flood warning at Jul 2, 2004, 6:11 PM CDT for Rankin County, Mississippi. It was in force for 89 min. 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 2, 2004, 6:11 PM CDT (23:11 UTC)
Expired: Jul 2, 2004, 7:40 PM CDT
In force: 89 min
Issued by: NWS Jackson, MS
Area: Counties, with a storm outline in the text

County Rankin County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 7 km from the middle of the area, began a volume at 23:11 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, 11.2 hours before the alert went out and 6 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: 876 J/kg
Mixed-layer CIN: -61 J/kg
Mixed-layer LCL: 813 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 65 m²/s²
0-3 km storm-relative helicity: 48 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 022313
FFWJAN
MSC121-030040-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
611 PM CDT FRI JUL 2 2004

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  RANKIN COUNTY IN CENTRAL MISSISSIPPI

* UNTIL 740 PM CDT

* AT 611 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED            
  THUNDERSTORMS PRODUCING VERY HEAVY RAIN OVER MUCH OF RANKIN        
  COUNTY MOVING EAST AT 20 MPH.

RADAR ESTIMATED RAINFALL AMOUNTS BETWEEN ONE AND TWO INCHES HAVE 
FALLEN DURING THE PAST HOUR WITH AN ADDITION ONE TO TWO INCHES 
POSSIBLE DURING THE NEXT HOUR.

FAST RUNOFF OF WATER IS EXPECTED AS THESE THUNDERSTORMS MOVE THROUGH 
THE COUNTY.

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 3234 9012 3214 9022 3214 8981 3259 8979
      3246 9002

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 2, 3:42 PM CDT	Severe Thunderstorm Warning	JAN	Jasper, Jones	58 min
Jul 2, 3:53 PM CDT	Flash Flood Warning	JAN	Jones	92 min
Jul 2, 4:23 PM CDT	Severe Thunderstorm Warning	JAN	Smith	62 min
Jul 2, 4:47 PM CDT	Severe Thunderstorm Warning	JAN	Newton, Scott	58 min
Jul 2, 6:01 PM CDT	Severe Thunderstorm Warning	JAN	Rankin	44 min
Jul 2, 6:45 PM CDT	Severe Thunderstorm Warning	JAN	Warren	30 min
Jul 2, 6:51 PM CDT	Severe Thunderstorm Warning	JAN	Forrest, Jones	59 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.