Alert archive / Mississippi / Flash Flood Warnings in 2004

Flash Flood Warning 20, NWS Jackson, MS

February 5, 20045 counties in Mississippi

NWS Jackson, MS issued this flash flood warning at Feb 5, 2004, 8:10 PM CST for 5 counties in Mississippi. It was in force for 6 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: Feb 5, 2004, 8:10 PM CST (02:10 UTC)
Expired: Feb 6, 2004, 2:00 AM CST
In force: 6 hr
Issued by: NWS Jackson, MS
Area: Counties, with a storm outline in the text

Counties Kemper County, MS, Lauderdale County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 2.2 hours before the alert went out and 123 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 810 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: -96 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 060215
FFWJAN
MSC069-075-099-101-103-060800-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
810 PM CST THU FEB 5 2004

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NEWTON COUNTY IN EAST CENTRAL MISSISSIPPI
  LAUDERDALE COUNTY IN EAST CENTRAL MISSISSIPPI
  KEMPER COUNTY IN EAST CENTRAL MISSISSIPPI
  NESHOBA COUNTY IN EAST CENTRAL MISSISSIPPI
  NOXUBEE COUNTY IN EAST CENTRAL MISSISSIPPI

* UNTIL 200 AM CST

* AT 810 PM CST...WEATHER SERVICE DOPPLER RADAR INDICATED A LARGE 
AREA OF THUNDERSTORMS PRODUCING VERY HEAVY RAIN GENERALLY FROM THE 
MACON AREA TO THE INTERSTATE 20 CORRIDOR AND INTO SOUTH CENTRAL 
MISSISSIPPI...MOVING NORTHEAST AT 35 MPH.

RAINFALL TOTAL OF 3 TO 4 INCHES HAVE ALREADY OCCURRED IN THESE 
AREAS AND RADAR ESTIMATED RAINFALL AMOUNTS OF...UP TO 1 INCH PER 
HOUR WILL BE POSSIBLE THROUGH MIDNIGHT BEFORE THE RAINS DIMINISH 
FROM THE WEST. THESE RAINS WILL ONLY AGGRAVATE ONGOING FLOODING 
PROBLEMS.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS.

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 3290 8928 3222 8928 3230 8850 3326 8837
          3326 8879 3291 8884

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 5, 8:40 PM CST	Tornado Warning	JAN	Marion	60 min
Feb 5, 9:08 PM CST	Severe Thunderstorm Warning	JAN	Covington, Jefferson Davis	57 min
Feb 5, 9:23 PM CST	Severe Thunderstorm Warning	JAN	Lamar	47 min
Feb 5, 9:44 PM CST	Severe Thunderstorm Warning	JAN	Forrest, Jones	41 min
Feb 5, 9:58 PM CST	Severe Thunderstorm Warning	JAN	Lawrence	57 min
Feb 5, 11:50 PM CST	Flash Flood Warning	JAN	Copiah, Lincoln, Rankin	3 hr
Feb 6, 12:00 AM CST	Flash Flood Warning	JAN	Covington, Jasper, Jefferson Davis, Lawrence, Simpson, Smith	6 hr

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.