Alert archive / Mississippi / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 309, NWS Memphis, TN

June 15, 1998Chickasaw County, Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at Jun 15, 1998, 7:16 PM CDT for Chickasaw County, Mississippi. It was in force for 29 min. 3 reports 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
Jun 15, 1998, 7:16 PM CDT (00:16 UTC)
Expired
Jun 15, 1998, 7:45 PM CDT
In force
29 min
Issued by
NWS Memphis, TN
Area
Whole counties

County Chickasaw County, MS

What was reported inside it

TimeReportWhereRemark
Jun 15, 7:20 PM CDTHail 1Houston, MS
Jun 15, 7:30 PM CDTHail 0.75Okolona, MS
Jun 15, 7:35 PM CDTThunderstorm WindOkolona, MSSome trees were blown down. Several houses were damaged by fallen trees.

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

Jackson, MS (KJAN), launched 00:00Z, 0.3 hours before the alert went out and 207 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 1998-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3337 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 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 1998-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 square meters per square second.19395878Sfc1 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
3337 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
1496 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
287 m²/s²
Significant tornado parameter
1.8
Supercell composite
17.9

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 Memphis, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 15, 11:38 PM CDTSevere Thunderstorm WarningMEGDyer47 min
Jun 16, 12:23 AM CDTSevere Thunderstorm WarningMEGCrockett, Gibson47 min
Jun 15, 7:36 PM CDTSevere Thunderstorm WarningMEGMonroe34 min
Jun 15, 7:49 PM CDTSevere Thunderstorm WarningMEGItawamba31 min
Jun 15, 8:20 PM CDTSevere Thunderstorm WarningMEGCalhoun, Chickasaw55 min
Jun 15, 11:31 PM CDTSevere Thunderstorm WarningMEGMississippi34 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 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.