Alert archive / Mississippi / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 285, NWS Jackson, MS

July 1, 1994Leflore County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jul 1, 1994, 4:12 PM CDT for Leflore County, Mississippi. It was in force for 33 min.

The area

The counties it named.

The facts

Issued
Jul 1, 1994, 4:12 PM CDT (21:12 UTC)
Expired
Jul 1, 1994, 4:45 PM CDT
In force
33 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Leflore County, MS

The nearest sounding before it

Centreville/Bibb, AL (KCKL), launched 12:00Z, 9.2 hours before the alert went out and 297 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, Centreville/Bibb, AL at 12:00Z on 1994-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1211 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, Centreville/Bibb, AL at 12:00Z on 1994-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 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
1211 J/kg
Mixed-layer CIN
-60 J/kg
Mixed-layer LCL
1032 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
-2 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
Jul 1, 2:09 PM CDTSevere Thunderstorm WarningJANJones66 min
Jul 1, 3:25 PM CDTSevere Thunderstorm WarningJANLauderdale65 min
Jul 1, 3:37 PM CDTSevere Thunderstorm WarningJANHinds53 min
Jul 1, 3:53 PM CDTSevere Thunderstorm WarningJANCopiah52 min
Jul 1, 4:38 PM CDTSevere Thunderstorm WarningJANKemper67 min
Jul 1, 4:46 PM CDTSevere Thunderstorm WarningJANCopiah, Lincoln44 min
Jul 1, 5:01 PM CDTSevere Thunderstorm WarningJANNoxubee59 min
Jul 1, 5:02 PM CDTSevere Thunderstorm WarningJANFranklin, Jefferson28 min
Jul 1, 5:40 PM CDTSevere Thunderstorm WarningJANFranklin, Lincoln50 min
Jul 1, 5:56 PM CDTSevere Thunderstorm WarningJANWinston64 min
Jul 1, 6:00 PM CDTSevere Thunderstorm WarningJANCalhoun30 min
Jul 1, 6:27 PM CDTSevere Thunderstorm WarningJANPike33 min
Jul 1, 6:37 PM CDTSevere Thunderstorm WarningJANWebster38 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.