Alert archive / Mississippi / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 227, NWS Memphis, TN

November 5, 1994Lafayette County, Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at Nov 5, 1994, 9:08 AM CST for Lafayette County, Mississippi. It was in force for 52 min.

The area

The counties it named.

The facts

Issued
Nov 5, 1994, 9:08 AM CST (15:08 UTC)
Expired
Nov 5, 1994, 10:00 AM CST
In force
52 min
Issued by
NWS Memphis, TN
Area
Whole counties

County Lafayette County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 3.1 hours before the alert went out and 233 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 12:00Z on 1994-11-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 518 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, Jackson, MS at 12:00Z on 1994-11-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 174 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
518 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
599 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
174 m²/s²
0-3 km storm-relative helicity
250 m²/s²
Significant tornado parameter
0.4
Supercell composite
3.1

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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
Nov 5, 8:46 AM CSTSevere Thunderstorm WarningMEGPanola29 min
Nov 5, 9:55 AM CSTSevere Thunderstorm WarningMEGPontotoc, Union50 min
Nov 5, 12:07 PM CSTSevere Thunderstorm WarningMEGLafayette, Pontotoc, Union53 min
Nov 5, 9:13 AM CSTSevere Thunderstorm WarningMEGFayette, Shelby47 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.