Alert archive / Louisiana / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 208, NWS Jackson, MS

April 27, 1998Madison Parish, Louisiana

NWS Jackson, MS issued this severe thunderstorm warning at Apr 27, 1998, 11:10 PM CDT for Madison Parish, Louisiana. It was in force for 45 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
Apr 27, 1998, 11:10 PM CDT (04:10 UTC)
Expired
Apr 27, 1998, 11:55 PM CDT
In force
45 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Madison Parish, LA

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, 4.2 hours before the alert went out and 109 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°0°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

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
Apr 27, 7:23 PM CDTSevere Thunderstorm WarningJANSunflower47 min
Apr 27, 7:47 PM CDTTornado WarningJANSunflower33 min
Apr 27, 8:12 PM CDTSevere Thunderstorm WarningJANLeflore48 min
Apr 28, 12:20 AM CDTSevere Thunderstorm WarningJANAdams45 min
Apr 28, 12:30 AM CDTSevere Thunderstorm WarningJANClaiborne, Jefferson45 min
Apr 28, 12:49 AM CDTSevere Thunderstorm WarningJANWarren46 min
Apr 28, 1:12 AM CDTSevere Thunderstorm WarningJANHinds48 min
Apr 28, 1:46 AM CDTTornado WarningJANHinds34 min
Apr 28, 1:55 AM CDTTornado WarningJANMadison35 min
Apr 28, 2:16 AM CDTSevere Thunderstorm WarningJANMadison34 min
Apr 28, 3:24 AM CDTSevere Thunderstorm WarningJANMarion46 min
Apr 28, 4:04 AM CDTSevere Thunderstorm WarningJANLamar51 min
Apr 28, 4:22 AM CDTSevere Thunderstorm WarningJANForrest48 min
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, 11:48 PM CDTTornado WarningJANCatahoula, Concordia47 min
Apr 27, 11:57 PM CDTSevere Thunderstorm WarningJANMadison33 min
Apr 27, 11:59 PM CDTSevere Thunderstorm WarningJANConcordia, Tensas51 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; the sounding from the Mesonet's radiosonde archive.