Alert archive / Louisiana / Flash Flood Warnings in 2003

Flash Flood Warning 1, NWS Jackson, MS

February 15, 2003Concordia Parish, Louisiana; Adams County, Mississippi

NWS Jackson, MS issued this flash flood warning at Feb 15, 2003, 2:08 PM CST for Concordia Parish, Louisiana; Adams County, Mississippi. It was in force for 3 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 15, 2003, 2:08 PM CST (20:08 UTC)
Expired: Feb 15, 2003, 5:10 PM CST
In force: 3 hr
Issued by: NWS Jackson, MS
Area: Counties, with a storm outline in the text

Counties Concordia Parish, LA, Adams County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 8.1 hours before the alert went out and 168 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: 43 J/kg
Mixed-layer CIN: -62 J/kg
Mixed-layer LCL: 593 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 167 m²/s²
0-3 km storm-relative helicity: 163 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KJAN 152012
FFWJAN
LAC029-MSC001-152310-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
208 PM CST SAT FEB 15 2003

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CONCORDIA PARISH IN NORTHEAST LOUISIANA
  ADAMS COUNTY IN SOUTHWEST MISSISSIPPI

* UNTIL 510 PM CST

RADAR ESTIMATED RAINFALL AMOUNTS RANGING BETWEEN 2.5 AND 4 INCHES 
OVER THE PAST SEVERAL HOURS WITH UP TO ANOTHER INCH OF RAINFALL 
EXPECTED THIS AFTERNOON.

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 3147 9167 3139 9175 3130 9179 3120 9164
          3135 9147 3145 9121 3160 9120 3174 9135
          3172 9163 3156 9174

$$

1 follow-up statement

000 
WGUS74 KJAN 152231
FFSJAN
LAC029-MSC001-152310-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
425 PM CST SAT FEB 15 2003

FLASH FLOOD WARNING REMAINS IN EFFECT FOR...

CONCORDIA PARISH IN NORTHEAST LOUISIANA
ADAMS COUNTY IN SOUTHWEST MISSISSIPPI

UNTIL 510 PM CST

RADAR ESTIMATED LOCALLY HEAVY RAINFALL AMOUNTS RANGING BETWEEN 3 AND 
4 INCHES OVER THE PAST SEVERAL HOURS. THE MAJORITY OF THE RAINFALL 
HAS BEGUN TO SHIFT TO THE EAST...HOWEVER THE ADAMS COUNTY SHERIFFS 
OFFICE REPORTED THAT A CAR HYDROPLANED OFF HIGHWAY 84 AROUND 3 PM 
THIS AFTERNOON.

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

$$

GAGAN

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 15, 3:49 PM CST	Tornado Warning	JAN	Marion	31 min
Feb 15, 3:52 PM CST	Severe Thunderstorm Warning	JAN	Simpson	28 min
Feb 15, 4:00 PM CST	Severe Thunderstorm Warning	JAN	Simpson	20 min
Feb 15, 4:11 PM CST	Tornado Warning	JAN	Rankin, Smith	29 min
Feb 15, 4:23 PM CST	Tornado Warning	JAN	Jefferson Davis, Marion	27 min
Feb 15, 4:33 PM CST	Tornado Warning	JAN	Scott	27 min
Feb 15, 4:43 PM CST	Tornado Warning	JAN	Smith	27 min
Feb 15, 4:49 PM CST	Tornado Warning	JAN	Covington, Lamar	31 min
Feb 15, 5:00 PM CST	Tornado Warning	JAN	Scott	40 min
Feb 15, 5:09 PM CST	Tornado Warning	JAN	Forrest, Jones	26 min
Feb 15, 5:20 PM CST	Tornado Warning	JAN	Jasper, Smith	30 min
Feb 15, 5:24 PM CST	Tornado Warning	JAN	Newton	31 min
Feb 15, 5:35 PM CST	Tornado Warning	JAN	Jones	30 min
Feb 15, 5:43 PM CST	Tornado Warning	JAN	Neshoba	47 min
Feb 15, 5:48 PM CST	Tornado Warning	JAN	Jasper	42 min

Nearby

Flash Flood Warnings in Louisiana, 2003 Flash Flood Warnings in Mississippi, 2003 Every flash flood warning in 2003

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.