Alert archive / Mississippi / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 346, NWS Jackson, MS

November 5, 1994Leflore County, Tallahatchie County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Nov 5, 1994, 7:57 AM CST for Leflore County, Tallahatchie County, Mississippi. It was in force for 48 min.

The area

The counties it named.

The facts

Issued
Nov 5, 1994, 7:57 AM CST (13:57 UTC)
Expired
Nov 5, 1994, 8:45 AM CST
In force
48 min
Issued by
NWS Jackson, MS
Area
Whole counties

Counties Leflore County, MS, Tallahatchie County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 2.0 hours before the alert went out and 160 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 Jackson, MS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 5, 6:46 AM CSTSevere Thunderstorm WarningJANBolivar, Washington44 min
Nov 5, 7:28 AM CSTSevere Thunderstorm WarningJANBolivar, Sunflower, Washington47 min
Nov 5, 8:12 AM CSTSevere Thunderstorm WarningJANIssaquena, Sharkey48 min
Nov 5, 8:24 AM CSTSevere Thunderstorm WarningJANHumphreys51 min
Nov 5, 8:43 AM CSTSevere Thunderstorm WarningJANCarroll, Grenada, Leflore62 min
Nov 5, 8:43 AM CSTSevere Thunderstorm WarningJANYalobusha62 min
Nov 5, 9:26 AM CSTSevere Thunderstorm WarningJANCalhoun64 min
Nov 5, 9:52 AM CSTSevere Thunderstorm WarningJANHolmes, Yazoo68 min
Nov 5, 10:02 AM CSTSevere Thunderstorm WarningJANHumphreys28 min
Nov 5, 11:07 AM CSTSevere Thunderstorm WarningJANIssaquena, Warren53 min
Nov 5, 11:26 AM CSTSevere Thunderstorm WarningJANYazoo34 min
Nov 5, 12:10 PM CSTSevere Thunderstorm WarningJANYazoo50 min
Nov 5, 1:57 PM CSTSevere Thunderstorm WarningJANMarion, Walthall63 min
Nov 5, 2:21 PM CSTSevere Thunderstorm WarningJANLamar69 min
Nov 5, 2:42 PM CSTSevere Thunderstorm WarningJANLincoln, Pike48 min
Nov 5, 2:59 PM CSTSevere Thunderstorm WarningJANLawrence, Walthall46 min
Nov 5, 3:28 PM CSTTornado WarningJANForrest32 min
Nov 5, 3:40 PM CSTTornado WarningJANJones50 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.