Alert archive / Louisiana / Flash Flood Warnings in 2002

Flash Flood Warning 20, NWS Jackson, MS

June 28, 2002Richland Parish, Louisiana

NWS Jackson, MS issued this flash flood warning at Jun 28, 2002, 4:39 PM CDT for Richland Parish, Louisiana. It was in force for 116 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 28, 2002, 4:39 PM CDT (21:39 UTC)
Expired: Jun 28, 2002, 6:35 PM CDT
In force: 116 min
Issued by: NWS Jackson, MS
Area: Whole counties

County Richland Parish, LA

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 9.7 hours before the alert went out and 158 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: 362 J/kg
Mixed-layer CIN: -76 J/kg
Mixed-layer LCL: 869 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 40 m²/s²
0-3 km storm-relative helicity: 24 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 282139
FFWJAN
LAC083-282335-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
437 PM CDT FRI JUN 28 2002

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  RICHLAND PARISH IN NORTHEAST LOUISIANA

* UNTIL 635 PM CDT

* AT 437 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A CLUSTER  
  OF THUNDERSTORMS PRODUCING VERY HEAVY RAIN OVER RICHLAND PARISH    
  LOUISIANA. THESE STORMS ARE NEARLY STATIONARY...AND ARE            
  EXPECTED TO REMAIN OVER THE SAME AREAS THROUGH 6 PM.

RADAR ESTIMATED RAINFALL AMOUNTS OF NEAR 3 INCHES OVER NORTHERN 
RICHLAND PARISH WITHIN THE LAST HOUR...WITH AN ADDITIONAL 2 INCHES 
POSSIBLE.

VERY HEAVY RAIN FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER
LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING.

1 follow-up statement

000 
WGUS74 KJAN 282315
FFSJAN
LAC083-282335-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
611 PM CDT FRI JUN 28 2002

FLASH FLOOD WARNING REMAINS IN EFFECT FOR...

RICHLAND PARISH IN NORTHEAST LOUISIANA UNTIL 635 PM.

AT 610 PM...DOPPLER RADAR CONTINUED TO INDICATE HEAVY RAIN OVER 
RICHLAND PARISH. AREAS ACROSS RICHLAND PARISH HAVE ALREADY RECEIVED 
2 TO 3 INCHES OF RAIN. ANOTHER AREA OF THUNDERSTORMS...WILL BE 
MOVING INTO RICHLAND PARISH BY 630 PM...AND AN ADDITIONAL 1 TO 2 
INCHES WILL BE POSSIBLE.

MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO
CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 28, 4:30 PM CDT	Flash Flood Warning	JAN	East Carroll, Morehouse, West Carroll	2 hr

Nearby

Flash Flood Warnings in Louisiana, 2002 Every flash flood warning in 2002

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.