Alert archive / Louisiana / Flash Flood Warnings in 1999

Flash Flood Warning 28, NWS Jackson, MS

January 29, 1999East Carroll Parish, Madison Parish, Richland Parish, Louisiana

NWS Jackson, MS issued this flash flood warning at Jan 29, 1999, 11:57 PM CST for East Carroll Parish, Madison Parish, Richland Parish, Louisiana. It was in force for 4 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: Jan 29, 1999, 11:57 PM CST (05:57 UTC)
Expired: Jan 30, 1999, 4:00 AM CST
In force: 4 hr
Issued by: NWS Jackson, MS
Area: Whole counties

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

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 6.0 hours before the alert went out and 127 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: 582 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: -80 m²/s²
0-3 km storm-relative helicity: -28 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 
TTAA00 KJAN 300557
FFWJAN
ARC003-017-LAC035-065-067-083-123-301000-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1157 PM CST FRI JAN 29 1999

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ASHLEY COUNTY IN SOUTHEASTERN ARKANSAS
  CHICOT COUNTY IN SOUTHEASTERN ARKANSAS
  EAST CARROLL PARISH IN NORTHEASTERN LOUISIANA
  MADISON PARISH IN NORTHEASTERN LOUISIANA
  MOREHOUSE PARISH IN NORTHEASTERN LOUISIANA
  WEST CARROLL PARISH IN NORTHEASTERN LOUISIANA
  RICHLAND PARISH IN NORTHEASTERN LOUISIANA

* UNTIL 400 AM CST

* NUMEROUS HEAVY THUNDERSTORMS WILL CONTINUE MOVING INTO THE AREA
THROUGH 4 AM. RAINFALL AMOUNTS IN THE HEAVIER STORMS WILL AVERAGE
AN INCH AN HOUR...WHICH WILL ONLY AGGRAVATE ONGOING FLOODING
PROBLEMS.

AT 1105 PM...ASHLEY COUNTY SHERIFFS OFFICE REPORTED WATER COVERING
MANY ROADS AND IN TWO HOUSES IN NORTH CROSSETT. EAST CARROLL PARISH
SHERIFFS OFFICE REPORTS< MANY HOUSES AND STREETS FLOODED IN LAKE
PROVIDENCE.

* BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGER OF FLOODING.

74


&

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Jan 29, 6:18 PM CST, 5 hours 39 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
618 PM CST FRI JAN 29 1999

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....PARISH/COUNTY LOCATION....

0605 PM    BROOKHAVEN                MS   .75 INCH HAIL
01/29/99   LINCOLN                        DIME SIZE HAIL REPORTED BY
                                          CIVIL DEFENSE.

0600 PM    2 W BROOKHAVEN            MS   .75 INCH HAIL
01/29/99   LINCOLN                        DIME SIZE REPORTED BY
                                          CIVIL DEFENSE.

Local storm report, Jan 29, 10:31 PM CST, 1 hour 26 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
1031 PM CST FRI JAN 29 1999

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....PARISH/COUNTY LOCATION....

0950 PM                              MS   WIND DAMAGE
01/29/99   LAMAR                          CIVIL DEFENSE REPORTS
                                          NUMEROUS TREES DOWN ACROSS
                                          THE COUNTY.

1012 PM    HATTIESBURG               MS   .75 INCH HAIL
01/29/99   FORREST                        EOC REPORTS DIME SIZE HAIL
                                          AT CLOVERLEAF MALL.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 29, 7:45 PM CST	Flash Flood Warning	JAN	Morehouse, Richland, West Carroll	28 hr
Jan 29, 7:45 PM CST	Flash Flood Warning	JAN	East Carroll, Madison	28 hr
Jan 29, 9:29 PM CST	Flash Flood Warning	JAN	Catahoula, Concordia, Franklin, Tensas	5 hr
Jan 29, 11:57 PM CST	Flash Flood Warning	JAN	Morehouse	4 hr
Jan 29, 11:57 PM CST	Flash Flood Warning	JAN	West Carroll	4 hr

Nearby

Flash Flood Warnings in Louisiana, 1999 Every flash flood warning in 1999

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.