Alert archive / Louisiana / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 288, NWS Jackson, MS

May 29, 1998Madison Parish, Tensas Parish, Louisiana

NWS Jackson, MS issued this severe thunderstorm warning at May 29, 1998, 12:37 PM CDT for Madison Parish, Tensas Parish, Louisiana. It was in force for 33 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 29, 1998, 12:37 PM CDT (17:37 UTC)
Expired
May 29, 1998, 1:10 PM CDT
In force
33 min
Issued by
NWS Jackson, MS
Area
Whole counties

Counties Madison Parish, LA, Tensas Parish, LA

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 5.6 hours before the alert went out and 263 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, Slidell Radar S, LA at 12:00Z on 1998-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2463 joules per kilogram.LCLEL10008507005003002001001 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, Slidell Radar S, LA at 12:00Z on 1998-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -23 square meters per square second.1939Sfc1 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
2463 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
490 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-23 m²/s²
0-3 km storm-relative helicity
-31 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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.

In the hours before

Special weather statement, May 29, 10:09 AM CDT, 2 hours 28 minutes before
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Special weather statement, May 29, 10:15 AM CDT, 2 hours 22 minutes before
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Local storm report, May 29, 11:58 AM CDT, 39 minutes before
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Local storm report, May 29, 11:58 AM CDT, 39 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 28, 7:03 PM CDTSevere Thunderstorm WarningJANYazoo32 min
May 28, 7:10 PM CDTFlash Flood WarningJANYazoo2 hr
May 28, 7:12 PM CDTSevere Thunderstorm WarningJANSunflower48 min
May 28, 7:13 PM CDTSevere Thunderstorm WarningJANHumphreys52 min
May 28, 7:20 PM CDTSevere Thunderstorm WarningJANLeflore50 min
May 28, 7:33 PM CDTSevere Thunderstorm WarningJANCarroll47 min
May 28, 7:39 PM CDTSevere Thunderstorm WarningJANCovington51 min
May 28, 7:55 PM CDTFlash Flood WarningJANHumphreys2 hr
May 28, 8:07 PM CDTSevere Thunderstorm WarningJANClaiborne, Copiah48 min
May 28, 8:11 PM CDTSevere Thunderstorm WarningJANFranklin49 min
May 28, 8:13 PM CDTSevere Thunderstorm WarningJANJones47 min
May 28, 8:16 PM CDTSevere Thunderstorm WarningJANSimpson49 min
May 28, 8:28 PM CDTSevere Thunderstorm WarningJANJasper47 min
May 28, 8:37 PM CDTSevere Thunderstorm WarningJANHinds, Madison48 min
May 28, 8:42 PM CDTSevere Thunderstorm WarningJANSmith48 min
May 28, 8:57 PM CDTFlash Flood WarningJANCarroll, Leflore118 min
May 28, 8:57 PM CDTFlash Flood WarningJANMontgomery118 min
May 28, 8:59 PM CDTSevere Thunderstorm WarningJANYazoo51 min
May 28, 9:41 PM CDTSevere Thunderstorm WarningJANAttala49 min
May 28, 10:07 PM CDTSevere Thunderstorm WarningJANIssaquena, Warren48 min
May 28, 10:16 PM CDTSevere Thunderstorm WarningJANLauderdale49 min
May 28, 10:36 PM CDTSevere Thunderstorm WarningJANLeflore49 min
May 28, 10:45 PM CDTSevere Thunderstorm WarningJANSimpson, Smith50 min
May 28, 10:51 PM CDTTornado WarningJANSimpson, Smith34 min
May 29, 3:25 AM CDTSevere Thunderstorm WarningJANNeshoba, Newton50 min
May 29, 3:41 AM CDTFlash Flood WarningJANAttala89 min
May 29, 4:33 AM CDTFlash Flood WarningJANBolivar, Washington92 min
May 29, 1:27 AM CDTSevere Thunderstorm WarningJANChicot48 min
May 29, 4:27 AM CDTSevere Thunderstorm WarningJANChicot33 min
May 29, 5:13 AM CDTFlash Flood WarningJANChicot92 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.