Alert archive / Mississippi / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 91, NWS Memphis, TN

April 20, 1996Lowndes County, Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at Apr 20, 1996, 9:32 PM CDT for Lowndes County, Mississippi. It was in force for 43 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 20, 1996, 9:32 PM CDT (02:32 UTC)
Expired
Apr 20, 1996, 10:15 PM CDT
In force
43 min
Issued by
NWS Memphis, TN
Area
Whole counties

County Lowndes County, MS

What was reported inside it

TimeReportWhereRemark
Apr 20, 9:35 PM CDTHail 0.75Columbus, 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.

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 2.5 hours before the alert went out and 158 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, Birmingham, AL at 00:00Z on 1996-04-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1416 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, Birmingham, AL at 00:00Z on 1996-04-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 270 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
1416 J/kg
Mixed-layer CIN
-57 J/kg
Mixed-layer LCL
837 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
270 m²/s²
0-3 km storm-relative helicity
358 m²/s²
Significant tornado parameter
0.0
Supercell composite
12.7

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
Apr 20, 7:39 PM CDTSevere Thunderstorm WarningMEGMonroe51 min
Apr 20, 8:18 PM CDTSevere Thunderstorm WarningMEGLowndes42 min
Apr 20, 9:11 PM CDTSevere Thunderstorm WarningMEGClay34 min
Apr 21, 1:06 AM CDTSevere Thunderstorm WarningMEGLowndes39 min
Apr 21, 5:02 AM CDTSevere Thunderstorm WarningMEGCoahoma43 min
Apr 21, 5:45 AM CDTSevere Thunderstorm WarningMEGQuitman, Tallahatchie60 min
Apr 21, 5:58 AM CDTSevere Thunderstorm WarningMEGLee32 min
Apr 21, 6:26 AM CDTSevere Thunderstorm WarningMEGPanola49 min
Apr 21, 7:26 AM CDTSevere Thunderstorm WarningMEGCalhoun49 min
Apr 21, 7:55 AM CDTSevere Thunderstorm WarningMEGLee50 min
Apr 21, 8:56 AM CDTSevere Thunderstorm WarningMEGMonroe49 min
Apr 21, 11:46 AM CDTSevere Thunderstorm WarningMEGClay44 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1996Every severe thunderstorm warning in 1996

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.