Alert archive / Louisiana / Flash Flood Warnings in 1997

Flash Flood Warning 20, NWS Jackson, MS

May 28, 1997Concordia Parish, Louisiana

NWS Jackson, MS issued this flash flood warning at May 28, 1997, 4:18 PM CDT for Concordia Parish, Louisiana. It was in force for 117 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
May 28, 1997, 4:18 PM CDT (21:18 UTC)
Expired
May 28, 1997, 6:15 PM CDT
In force
117 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Concordia Parish, LA

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 9.3 hours before the alert went out and 176 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-pSkew-T log-p diagram, Jackson, MS at 12:00Z on 1997-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 35 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 12:00Z on 1997-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
35 J/kg
Mixed-layer CIN
-262 J/kg
Mixed-layer LCL
1091 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
45 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 282121
FFWJAN
LAC029-282315-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
418 PM CDT WED MAY 28 1997
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  615 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST LOUISIANA
 
   ...CONCORDIA PARISH
 
A SEVERE THUNDERSTORM WITH LITTLE INDICATED MOVEMENT WILL CONTINUE TO
PRODUCE 1-2 INCHES OF RAIN PER HOUR WITH ISOLATED HIGHER AMOUNTS
POSSIBLE. THIS WILL RESULT IN FLOODING OF LOW-LYING LAND AND ROADWAYS.
ALSO...PONDING OF WATER IS LIKELY.
 
DO NOT DRIVE YOUR CAR INTO AREAS WHERE WATER COVERS THE ROAD.
THE WATER DEPTH MAY BE TOO DEEP TO ALLOW YOU TO CROSS SAFELY.
VEHICLES CAUGHT IN RISING WATER MUST BE ABANDONED QUICKLY.
<
 
68

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

Special weather statement, May 28, 10:31 AM CDT, 5 hours 47 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-072>
074-290400-

AREA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
1010 AM CDT WED MAY 28 1997

THE AIR MASS REMAINS HUMID AND UNSTABLE ACROSS THE AREA TODAY AS A
COLD FRONT LINGERS TO THE WEST. SCATTERED TO BROKEN CLOUDS WILL ALLOW
AFTERNOON HEATING AND ISOLATED THUNDERSTORMS WILL DEVELOP BY LATE
AFTERNOON. SEVERAL OUTFLOW BOUNDARIES EXIST FROM EARLIER CONVECTION
AND THESE MAY SERVE AS A FOCUS FOR THE DEVELOPMENT OF STRONG...POSSIBLY
SEVERE...THUNDERSTORMS DURING THE LATE AFTERNOON AND EVENING.

A WEATHER DISTURBANCE OVER OKLAHOMA AND TEXAS THIS MORNING WILL TRACK
TO THE EAST DURING THE DAY AND INCREASE THE THREAT OF SEVERE WEATHER
DEVELOPMENT TONIGHT.

ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND EMERGENCY
MANAGEMENT PERSONNEL MAY BE NECESSARY LATE TODAY AND TONIGHT.
Local storm report, May 28, 3:49 PM CDT, 29 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MISSISSIPPI
349 PM CDT WED MAY 28 1997

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0755 PM    METCALF                   MS   WIND DAMAGE
05/27/97   WASHINGTON                     TRAILER DESTROYED...TREES
                                          DOWN

0845 PM    RAYVILLE                  LA   WIND DAMAGE
05/27/97   RICHLAND                       TREES AND POWER LINES DOWN

0845 PM    YAZOO CITY                MS   .75 INCH HAIL
05/27/97   YAZOO                          TREES DOWN

0945 PM    POLKVILLE                 MS   .88 INCH HAIL
05/27/97   SMITH                          TREES DOWN
1025 PM    PELAHATCHIE               MS   1 INCH HAIL
05/27/97   RANKIN                         PEA TO QUARTER SIZE HAIL

1115 PM    TERRY                     MS   .75 INCH HAIL
05/27/97   HINDS                          TREES DOWN

1200 AM    HARPERVILLE               MS   WIND DAMAGE
05/28/97   SCOTT                          TREES DOWN
Local storm report, May 28, 3:57 PM CDT, 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MISSISSIPPI
349 PM CDT WED MAY 28 1997

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0755 PM    METCALF                   MS   WIND DAMAGE
05/27/97   WASHINGTON                     TRAILER DESTROYED...TREES
                                          DOWN

0845 PM    RAYVILLE                  LA   WIND DAMAGE
05/27/97   RICHLAND                       TREES AND POWER LINES DOWN

0845 PM    YAZOO CITY                MS   .75 INCH HAIL
05/27/97   YAZOO                          TREES DOWN

0945 PM    POLKVILLE                 MS   .88 INCH HAIL
05/27/97   SMITH                          TREES DOWN
1025 PM    PELAHATCHIE               MS   1 INCH HAIL
05/27/97   RANKIN                         PEA TO QUARTER SIZE HAIL

1115 PM    TERRY                     MS   .75 INCH HAIL
05/27/97   HINDS                          TREES DDOWN

1200 AM    HARPERVILLE               MS   WIND DAMAGE
05/28/97   SCOTT                          TREES DOWN

The office that day

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

IssuedProductOfficeCountiesLasted
May 27, 8:20 PM CDTTornado WarningJANRichland40 min
May 27, 8:56 PM CDTSevere Thunderstorm WarningJANRichland34 min
May 27, 9:10 PM CDTSevere Thunderstorm WarningJANEast Carroll, Madison50 min
May 28, 4:00 PM CDTSevere Thunderstorm WarningJANConcordia45 min
May 28, 5:54 PM CDTSevere Thunderstorm WarningJANCatahoula51 min

Nearby

Flash Flood Warnings in Louisiana, 1997Every flash flood warning in 1997

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.