Alert archive / Louisiana / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 35, NWS Shreveport, LA

January 12, 1998Grant Parish, Louisiana

NWS Shreveport, LA issued this severe thunderstorm warning at Jan 12, 1998, 12:58 AM CST for Grant 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: Jan 12, 1998, 12:58 AM CST (06:58 UTC)
Expired: Jan 12, 1998, 1:45 AM CST
In force: 47 min
Issued by: NWS Shreveport, LA
Area: Whole counties

County Grant Parish, LA

What was reported inside it

Time	Report	Where	Remark
Jan 12, 1:10 AM CST	Hail 0.75	Dry Prong, LA

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.

Issued	Product	Office	Lasted
Jan 11, 11:30 PM CST	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 7.0 hours before the alert went out and 149 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: 140 J/kg
Mixed-layer CIN: -150 J/kg
Mixed-layer LCL: 1072 m above ground
0-6 km bulk shear: 69 kt
0-1 km storm-relative helicity: 301 m²/s²
0-3 km storm-relative helicity: 407 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.1

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

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

NWS Shreveport, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jan 11, 8:20 PM CST, 4 hours 38 minutes earlier.

Area forecast discussion, Jan 11, 8:20 PM CST, 4 hours 38 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SHREVEPORT LA
820 PM CST SUN JAN 11 1998

CONVECTION CONTINUES TO PUSH EAST ACRS E TX...NRN LA AND SRN AR.
MOST OF THE RAINFALL HAS ENDED ACRS SE OK AND PARTS OF SW AR AND
NE TX. WILL NEED TO LOOK AT LOWERING OR DROPPING POPS ALTOGETHER
ACRS AREAS WHERE PCPN HAS AL BUT STOPPED. WILL ALSO NEED TO LOOK AT
REDEFINING FFAS ACRS NE TX AND SW AR AND DROP FFA ACRS SE OK. WITH SPEED
OF MOVEMENT OF THE STORMS APPROACHING 40 KT AND NO SIG TRAINING EXPECTED
WILL NOT NEED TO ISSUE FFA NW LA ATTM. MAY NEED TO ISSUE SOMETHING
LATER TONIGHT ACRS SRN PORTONS OF CWA AS FLOW BCMS MORE PARALLEL TO
STORM MOVEMENT FROM LFK ARE INTO CENTRAL LA.

CURRENT TEMPS SHUD WORK FOR LOWS TONIGHT.

18

In the hours before

Local storm report, Jan 11, 10:59 PM CST, 1 hour 59 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1059 PM CST SUN JAN 11 1998

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

0611 PM    2 E JUDSON                TX   .75 INCH HAIL
01/11/98   HARRISON

0716 PM    BLANCHARD                 LA   1 INCH HAIL
01/11/98   CADDO

0730 PM    BARKSDALE AFB             LA   .5 INCH HAIL
01/11/98   BOSSIER

0738 PM    BOSSIER CITY              LA   .88 INCH HAIL
01/11/98   BOSSIER                        INTERSECTION OF I-20 AND
                                          BENTON ROAD.

0740 PM    3 NE TATUM                TX   1 INCH HAIL
01/11/98   PANOLA

0740 PM    HAUGHTON                  LA   2 INCH HAIL
01/11/98   BOSSIER

0755 PM    HAUGHTON                  LA   .75 INCH HAIL
01/11/98   BOSSIER

0809 PM    DOYLINE                   LA   .75 INCH HAIL
01/11/98   WEBSTER

0817 PM    MINDEN                    LA   .5 INCH HAIL
01/11/98   WEBSTER

0827 PM    DUBBERLY                  LA   .88 INCH HAIL
01/11/98   WEBSTER

18

Local storm report, Jan 11, 10:59 PM CST, 1 hour 59 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1059 PM CST SUN JAN 11 1998

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

0611 PM    2 E JUDSON                TX   .75 INCH HAIL
01/11/98   HARRISON

0716 PM    BLANCHARD                 LA   1 INCH HAIL
01/11/98   CADDO

0730 PM    BARKSDALE AFB             LA   .5 INCH HAIL
01/11/98   BOSSIER

0738 PM    BOSSIER CITY              LA   .88 INCH HAIL
01/11/98   BOSSIER                        INTERSECTION OF I-20 AND
                                          BENTON ROAD.

0740 PM    3 NE TATUM                TX   1 INCH HAIL
01/11/98   PANOLA

0740 PM    HAUGHTON                  LA   2 INCH HAIL
01/11/98   BOSSIER

0755 PM    HAUGHTON                  LA   .75 INCH HAIL
01/11/98   BOSSIER

0809 PM    DOYLINE                   LA   .75 INCH HAIL
01/11/98   WEBSTER

0817 PM    MINDEN                    LA   .5 INCH HAIL
01/11/98   WEBSTER

0827 PM    DUBBERLY                  LA   .88 INCH HAIL
01/11/98   WEBSTER

18

Local storm report, Jan 11, 11:12 PM CST, 1 hour 46 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1112 PM CST SUN JAN 11 1998

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

0844 PM    2 E GIBSLAND              LA   1 INCH HAIL
01/11/98   BIENVILLE

0908 PM    GRAMBLING                 LA   1.75 INCH HAIL
01/11/98   LINCOLN

0930 PM    RINGGOLD                  LA   1 INCH HAIL
01/11/98   BIENVILLE

0940 PM    CALHOUN                   LA   .75 INCH HAIL
01/11/98   OUACHITA

0943 PM    2 W CASTOR                LA   1.25 INCH HAIL
01/11/98   BIENVILLE

1055 PM    NEUVILLE                  TX   .88 INCH HAIL
01/11/98   SHELBY

1055 PM    PATROON                   TX   .88 INCH HAIL
01/11/98   SHELBY

18

Local storm report, Jan 11, 11:12 PM CST, 1 hour 46 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1112 PM CST SUN JAN 11 1998

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

0844 PM    2 E GIBSLAND              LA   1 INCH HAIL
01/11/98   BIENVILLE

0908 PM    GRAMBLING                 LA   1.75 INCH HAIL
01/11/98   LINCOLN

0930 PM    RINGGOLD                  LA   1 INCH HAIL
01/11/98   BIENVILLE

0940 PM    CALHOUN                   LA   .75 INCH HAIL
01/11/98   OUACHITA

0943 PM    2 W CASTOR                LA   1.25 INCH HAIL
01/11/98   BIENVILLE

1055 PM    NEUVILLE                  TX   .88 INCH HAIL
01/11/98   SHELBY

1055 PM    PATROON                   TX   .88 INCH HAIL
01/11/98   SHELBY

18

Local storm report, Jan 12, 12:45 AM CST, 13 minutes before

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Local storm report, Jan 12, 12:45 AM CST, 13 minutes before

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<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
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</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

Everything else NWS Shreveport, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 11, 6:04 PM CST	Severe Thunderstorm Warning	SHV	Harrison, Marion	56 min
Jan 11, 6:21 PM CST	Severe Thunderstorm Warning	SHV	Smith	39 min
Jan 11, 6:45 PM CST	Severe Thunderstorm Warning	SHV	Rusk	45 min
Jan 11, 7:29 PM CST	Severe Thunderstorm Warning	SHV	Harrison, Panola	61 min
Jan 11, 10:40 PM CST	Severe Thunderstorm Warning	SHV	Shelby	35 min
Jan 11, 6:58 PM CST	Severe Thunderstorm Warning	SHV	Bossier, Caddo	47 min
Jan 11, 7:42 PM CST	Severe Thunderstorm Warning	SHV	Bossier	48 min
Jan 11, 7:55 PM CST	Severe Thunderstorm Warning	SHV	Webster	35 min
Jan 11, 8:12 PM CST	Severe Thunderstorm Warning	SHV	Caddo, De Soto	48 min
Jan 11, 8:30 PM CST	Severe Thunderstorm Warning	SHV	Bienville	60 min
Jan 11, 8:51 PM CST	Severe Thunderstorm Warning	SHV	Lincoln	69 min
Jan 11, 9:33 PM CST	Severe Thunderstorm Warning	SHV	Bienville	27 min
Jan 11, 11:13 PM CST	Severe Thunderstorm Warning	SHV	Sabine	62 min
Jan 11, 11:30 PM CST	Tornado Warning	SHV	Sabine	60 min
Jan 12, 12:06 AM CST	Tornado Warning	SHV	Natchitoches	54 min
Jan 11, 6:04 PM CST	Severe Thunderstorm Warning	SHV	Nevada	56 min
Jan 11, 6:19 PM CST	Severe Thunderstorm Warning	SHV	Columbia	56 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 1998 Every severe thunderstorm warning 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.