Alert archive / Mississippi / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 19, NWS Jackson, MS

February 11, 1993Lauderdale County, Mississippi; Sumter County, Alabama

NWS Jackson, MS issued this severe thunderstorm warning at Feb 11, 1993, 5:31 PM CST for Lauderdale County, Mississippi; Sumter County, Alabama. It was in force for 59 min.

The area

The counties it named.

The facts

Issued
Feb 11, 1993, 5:31 PM CST (23:31 UTC)
Expired
Feb 11, 1993, 6:30 PM CST
In force
59 min
Issued by
NWS Jackson, MS
Area
Whole counties

Counties Sumter County, AL, Lauderdale County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 11.5 hours before the alert went out and 277 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 1993-02-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1993-02-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -99 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
-99 m²/s²
0-3 km storm-relative helicity
-194 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.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 11, 3:58 PM CSTSevere Thunderstorm WarningJANJasper47 min
Feb 11, 4:45 PM CSTSevere Thunderstorm WarningJANClarke, Lauderdale45 min
Feb 11, 5:04 PM CSTSevere Thunderstorm WarningJANHinds, Warren56 min
Feb 11, 5:25 PM CSTSevere Thunderstorm WarningJANChoctaw65 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1993Severe Thunderstorm Warnings in Alabama, 1993Every severe thunderstorm warning in 1993

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.