Alert archive / Louisiana / Flash Flood Warnings in 2000

Flash Flood Warning 10, NWS Jackson, MS

April 3, 20004 parishes in Louisiana

NWS Jackson, MS issued this flash flood warning at Apr 3, 2000, 4:55 AM CDT for 4 parishes in Louisiana. 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 counties it named.

The facts

Issued: Apr 3, 2000, 4:55 AM CDT (09:55 UTC)
Expired: Apr 3, 2000, 11:00 AM CDT
In force: 6 hr
Issued by: NWS Jackson, MS
Area: Whole counties

Counties East Carroll Parish, LA, Franklin Parish, LA, Madison Parish, LA, Richland Parish, LA

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 9.9 hours before the alert went out and 132 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: 2143 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 777 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 84 m²/s²
0-3 km storm-relative helicity: 167 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 3.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS54 KJAN 030958
FFWJAN
LAC035-041-065-083-031600-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
455 AM CDT MON APR 3 2000

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EAST CARROLL PARISH IN NORTHEAST LOUISIANA
  MADISON PARISH IN NORTHEAST LOUISIANA
  FRANKLIN PARISH IN NORTHEAST LOUISIANA
  RICHLAND PARISH IN NORTHEAST LOUISIANA

* UNTIL 1100 AM CDT

* AT 455 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUING TO SPREAD ACROSS MUCH OF 
NORTHEAST LOUISIANA. THIS AREA HAS ALREADY SEEN SEVERAL INCHES OF 
RAINFALL IN THE PAST 24 TO 48 HOURS AND ADDITIONAL HEAVY RAINFALL 
WILL RESULT IN RUNOFF AND LOCAL FLOODING WITH LOCAL STREAMS AND 
TRIBUTARIES ALREADY SWOLLEN.

ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF THESE 
CREEKS AND STREAMS AND IN AND NEAR LOW LYING AREAS ARE SUBJECT TO 
FLASH FLOODING AND WILL FLOOD QUICKLY WITH ANY ADDITIONAL RAINFALL 
THAT OCCURS EARLY THIS MORNING.

MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO
CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY.
NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT.

84

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 2, 7:01 PM CDT	Severe Thunderstorm Warning	JAN	Concordia	44 min
Apr 3, 1:25 AM CDT	Flash Flood Warning	JAN	Tensas	6 hr
Apr 3, 2:00 AM CDT	Severe Thunderstorm Warning	JAN	Concordia	45 min
Apr 3, 3:11 AM CDT	Severe Thunderstorm Warning	JAN	Franklin, Richland	34 min
Apr 3, 3:46 AM CDT	Severe Thunderstorm Warning	JAN	Madison	29 min
Apr 3, 4:36 AM CDT	Severe Thunderstorm Warning	JAN	Franklin	24 min
Apr 3, 5:05 AM CDT	Severe Thunderstorm Warning	JAN	Madison	40 min
Apr 3, 5:43 AM CDT	Severe Thunderstorm Warning	JAN	Catahoula, Concordia	47 min
Apr 3, 11:35 AM CDT	Flash Flood Warning	JAN	Catahoula, East Carroll, Franklin, Madison, Morehouse, Richland and 1 more	3 hr
Apr 3, 11:45 AM CDT	Severe Thunderstorm Warning	JAN	Catahoula, Concordia	45 min

Nearby

Flash Flood Warnings in Louisiana, 2000 Every flash flood warning in 2000

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.