Alert archive / Mississippi / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 33, NWS Memphis, TN

April 27, 1994Itawamba County, Lee County, Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at Apr 27, 1994, 1:55 PM CDT for Itawamba County, Lee County, Mississippi. It was in force for 50 min.

The area

The counties it named.

The facts

Issued
Apr 27, 1994, 1:55 PM CDT (18:55 UTC)
Expired
Apr 27, 1994, 2:45 PM CDT
In force
50 min
Issued by
NWS Memphis, TN
Area
Whole counties

Counties Itawamba County, MS, Lee County, MS

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 6.9 hours before the alert went out and 144 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, Little Rock, AR at 12:00Z on 1994-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2407 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, Little Rock, AR at 12:00Z on 1994-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 square meters per square second.193958Sfc1 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
2407 J/kg
Mixed-layer CIN
-66 J/kg
Mixed-layer LCL
679 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
69 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.4

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 26, 7:00 PM CDTTornado WarningMEGDeSoto45 min
Apr 26, 7:18 PM CDTSevere Thunderstorm WarningMEGMarshall42 min
Apr 26, 7:21 PM CDTTornado WarningMEGTate54 min
Apr 26, 7:45 PM CDTTornado WarningMEGMarshall45 min
Apr 27, 5:54 PM CDTSevere Thunderstorm WarningMEGTunica36 min
Apr 27, 6:26 PM CDTSevere Thunderstorm WarningMEGDeSoto, Tate49 min
Apr 27, 5:20 PM CDTSevere Thunderstorm WarningMEGLake25 min
Apr 27, 5:26 PM CDTSevere Thunderstorm WarningMEGGibson34 min
Apr 27, 5:32 PM CDTSevere Thunderstorm WarningMEGHenderson43 min
Apr 27, 5:45 PM CDTSevere Thunderstorm WarningMEGObion45 min
Apr 27, 6:03 PM CDTSevere Thunderstorm WarningMEGWeakley42 min
Apr 27, 6:32 PM CDTSevere Thunderstorm WarningMEGShelby43 min
Apr 27, 2:34 PM CDTSevere Thunderstorm WarningMEGClay56 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1994Every severe thunderstorm warning in 1994

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.