Alert archive / Louisiana / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 219, NWS Jackson, MS

May 3, 1998Morehouse Parish, Louisiana

NWS Jackson, MS issued this severe thunderstorm warning at May 3, 1998, 1:38 AM CDT for Morehouse 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
May 3, 1998, 1:38 AM CDT (06:38 UTC)
Expired
May 3, 1998, 2:25 AM CDT
In force
47 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Morehouse Parish, LA

What was reported inside it

TimeReportWhereRemark
May 3, 2:15 AM CDTHail 0.75Bastrop, 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 nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 6.6 hours before the alert went out and 186 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, Shreveport, LA at 00:00Z on 1998-05-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 224 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, Shreveport, LA at 00:00Z on 1998-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 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
224 J/kg
Mixed-layer CIN
-117 J/kg
Mixed-layer LCL
1943 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
119 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

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.

The office that day

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

IssuedProductOfficeCountiesLasted
May 3, 2:53 AM CDTSevere Thunderstorm WarningJANYazoo47 min
May 3, 3:11 AM CDTSevere Thunderstorm WarningJANMadison34 min
May 3, 1:03 PM CDTSevere Thunderstorm WarningJANLincoln47 min
May 3, 1:06 PM CDTSevere Thunderstorm WarningJANSimpson34 min
May 3, 1:17 PM CDTSevere Thunderstorm WarningJANJefferson Davis33 min
May 3, 1:24 PM CDTSevere Thunderstorm WarningJANCopiah31 min
May 3, 1:34 PM CDTSevere Thunderstorm WarningJANJasper, Smith51 min
May 3, 1:56 PM CDTSevere Thunderstorm WarningJANCopiah, Lincoln49 min
May 3, 2:05 PM CDTSevere Thunderstorm WarningJANItawamba20 min
May 3, 2:16 PM CDTSevere Thunderstorm WarningJANJones49 min
May 3, 2:22 PM CDTSevere Thunderstorm WarningJANClarke48 min
May 3, 2:27 PM CDTSevere Thunderstorm WarningJANSimpson, Smith48 min
May 3, 2:27 PM CDTSevere Thunderstorm WarningJANJasper48 min
May 3, 3:22 PM CDTSevere Thunderstorm WarningJANAdams, Franklin33 min
May 3, 3:53 PM CDTSevere Thunderstorm WarningJANFranklin32 min
May 3, 4:25 PM CDTSevere Thunderstorm WarningJANLincoln35 min
May 3, 2:20 AM CDTSevere Thunderstorm WarningJANRichland30 min
May 3, 2:46 AM CDTSevere Thunderstorm WarningJANMadison49 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 1998Every 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.