Alert archive / Louisiana / Tornado Warnings in 1998

Tornado Warning 38, NWS Jackson, MS

April 27, 1998Catahoula Parish, Concordia Parish, Louisiana

NWS Jackson, MS issued this tornado warning at Apr 27, 1998, 11:48 PM CDT for Catahoula Parish, Concordia Parish, Louisiana. It was in force for 47 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Apr 27, 1998, 11:48 PM CDT (04:48 UTC)
Expired
Apr 28, 1998, 12:35 AM CDT
In force
47 min
Issued by
NWS Jackson, MS
Area
Whole counties

Counties Catahoula Parish, LA, Concordia Parish, LA

What was reported inside it

TimeReportWhereRemark
Apr 28, 12:15 AM CDTThunderstorm WindFerriday, LAMany trees were blown down throughout the parrish.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 27, 9:00 PM CDTTornado WatchSPC3 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 4.8 hours before the alert went out and 178 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 00:00Z on 1998-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1003 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 00:00Z on 1998-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 square meters per square second.1939587897Sfc1 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
1003 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
1133 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
67 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

745 
WFUS1 KJAN 280450 RRA
TORJAN
LAC025-029-280535-

BULLETIN- EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1148 PM CDT MON APR 27 1998

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN CATAHOULA PARISH IN NORTHEASTERN LOUISIANA
  SOUTHERN CONCORDIA PARISH IN NORTHEASTERN LOUISIANA

* UNTIL 1235 AM CDT

* AT 1146 PM CDT... A POSSIBLE TORNADO 39 MILES SOUTHWEST OF
  VIDALIA OR 31 MILES SOUTH OF JONESVILLE... INDICATED BY JACKSON
  WEATHER SERVICE DOPPLER RADAR... MOVING NORTHEAST 30 MPH.
  DAMAGE HAS BEEN REPORTED IN NORTHERN AVOYELLES PARISH NORTH OF
  MARKSVILLE.

* THIS STORM WILL MAINLY AFFECT SMALLER COMMUNITIES AND RURAL AREAS.

IF YOU ARE IN A MULTIPLE STORY BUILDING...GO TO A SMALL INTERIOR
ROOM AWAY FROM WINDOWS.

72


&

What forecasters said that day

The local office's own words before this tornado 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, Apr 27, 11:18 PM CDT, 30 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
1118 PM CDT MON APR 27 1998

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

0345 PM    EUPORA                    MS   .75 INCH HAIL
04/27/98   WEBSTER                        2S EUPORA DIME SIZE HAIL
                                          REPORTED BY MISS HIGHWAY
                                          PATROL

0650 PM    SCOTT                     MS   2.75 INCH HAIL
04/27/98   BOLIVAR                        BASEBALL SIZE HAIL
                                          REPORTED 1 MILE NORTH OF
                                          SCOTT BY BOLIVAR SHERIFF

0715 PM    SHAW                      MS   .75 INCH HAIL
04/27/98   BOLIVAR                        DIME SIZE HAIL REPORTED
                                          NEAR SHAW BY BOLIVAR
                                          SHERIFF

0755 PM    RULEVILLE                 MS   1.25 INCH HAIL
04/27/98   SUNFLOWER                      HALF DOLLAR SIZE HAIL
                                          REPORTED AT RULEVILLE BY
                                          SUNFLOWER SHERIFF

0910 PM    RULEVILLE                 MS   WIND DAMAGE
04/27/98   SUNFLOWER                      QUARTER SIZE HAIL AND
                                          SEVERAL TREES REPORTED
                                          DOWN AND PORCH BLOWN OFF
                                          MOBILE HOME NEAR RULEVILLE
                                          REPORTED BY SUNFLOWER
                                          SHERIFF

0945 PM    HARRISONBURG              LA   .5 INCH HAIL
04/27/98   CATAHOULA                      QUITE A BIT OF MARBLE SIZE
                                          HAIL REPORTED IN
                                          HARRISONBURG BY CATAHOULA
                                          PARISH SHERIFF

1045 PM    GILBERT                   LA   1 INCH HAIL
04/27/98   FRANKLIN                       NICKEL TO QUARTER SIZE
                                          HAIL COVERED THE GROUND 7E
                                          GILBERT REPORTED BY
                                          FRANKLIN PARISH SHERIFF
Local storm report, Apr 27, 11:18 PM CDT, 30 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
1118 PM CDT MON APR 27 1998

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

0345 PM    EUPORA                    MS   .75 INCH HAIL
04/27/98   WEBSTER                        2S EUPORA DIME SIZE HAIL
                                          REPORTED BY MISS HIGHWAY
                                          PATROL

0650 PM    SCOTT                     MS   2.75 INCH HAIL
04/27/98   BOLIVAR                        BASEBALL SIZE HAIL
                                          REPORTED 1 MILE NORTH OF
                                          SCOTT BY BOLIVAR SHERIFF

0715 PM    SHAW                      MS   .75 INCH HAIL
04/27/98   BOLIVAR                        DIME SIZE HAIL REPORTED
                                          NEAR SHAW BY BOLIVAR
                                          SHERIFF

0755 PM    RULEVILLE                 MS   1.25 INCH HAIL
04/27/98   SUNFLOWER                      HALF DOLLAR SIZE HAIL
                                          REPORTED AT RULEVILLE BY
                                          SUNFLOWER SHERIFF

0910 PM    RULEVILLE                 MS   WIND DAMAGE
04/27/98   SUNFLOWER                      QUARTER SIZE HAIL AND
                                          SEVERAL TREES REPORTED
                                          DOWN AND PORCH BLOWN OFF
                                          MOBILE HOME NEAR RULEVILLE
                                          REPORTED BY SUNFLOWER
                                          SHERIFF

0945 PM    HARRISONBURG              LA   .5 INCH HAIL
04/27/98   CATAHOULA                      QUITE A BIT OF MARBLE SIZE
                                          HAIL REPORTED IN
                                          HARRISONBURG BY CATAHOULA
                                          PARISH SHERIFF

1045 PM    GILBERT                   LA   1 INCH HAIL
04/27/98   FRANKLIN                       NICKEL TO QUARTER SIZE
                                          HAIL COVERED THE GROUND 7E
                                          GILBERT REPORTED BY
                                          FRANKLIN PARISH SHERIFF

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 27, 8:59 PM CDTSevere Thunderstorm WarningJANCatahoula46 min
Apr 27, 9:37 PM CDTSevere Thunderstorm WarningJANFranklin48 min
Apr 27, 10:18 PM CDTSevere Thunderstorm WarningJANCatahoula, Franklin47 min
Apr 27, 10:36 PM CDTSevere Thunderstorm WarningJANTensas44 min
Apr 27, 11:08 PM CDTSevere Thunderstorm WarningJANFranklin47 min
Apr 27, 11:10 PM CDTSevere Thunderstorm WarningJANMadison45 min
Apr 27, 11:57 PM CDTSevere Thunderstorm WarningJANMadison33 min
Apr 27, 11:59 PM CDTSevere Thunderstorm WarningJANConcordia, Tensas51 min

Nearby

Tornado Warnings in Louisiana, 1998Every tornado warning in 1998Tornadoes in 1998

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.