Alert archive / Mississippi / Severe Thunderstorm Warnings in 1988

Severe Thunderstorm Warning 29, NWS Jackson, MS

April 18, 1988Lawrence County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Apr 18, 1988, 2:57 PM CDT for Lawrence County, Mississippi. It was in force for 33 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 18, 1988, 2:57 PM CDT (19:57 UTC)
Expired
Apr 18, 1988, 3:30 PM CDT
In force
33 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Lawrence County, MS

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Apr 18, 3:10 PM CDTHail 0.75Lawrence, MS

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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Boothville, LA (KBVE), launched 12:00Z, 8.0 hours before the alert went out and 256 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, Boothville, LA at 12:00Z on 1988-04-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 906 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, Boothville, LA at 12:00Z on 1988-04-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 232 square meters per square second.1939587897117136Sfc1 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
906 J/kg
Mixed-layer CIN
-103 J/kg
Mixed-layer LCL
623 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
232 m²/s²
0-3 km storm-relative helicity
274 m²/s²
Significant tornado parameter
0.6
Supercell composite
7.3

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 18, 2:17 AM CDTSevere Thunderstorm WarningJANLauderdale13 min
Apr 18, 5:01 PM CDTSevere Thunderstorm WarningJANWarren29 min
Apr 18, 5:09 PM CDTSevere Thunderstorm WarningJANMadison36 min
Apr 18, 5:34 PM CDTSevere Thunderstorm WarningJANHinds, Warren26 min
Apr 18, 5:51 PM CDTSevere Thunderstorm WarningJANMadison39 min
Apr 18, 6:06 PM CDTSevere Thunderstorm WarningJANWinston39 min
Apr 18, 6:19 PM CDTSevere Thunderstorm WarningJANJefferson Davis26 min
Apr 18, 6:46 PM CDTSevere Thunderstorm WarningJANLincoln29 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1988Every severe thunderstorm warning in 1988

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.