Alert archive / Alabama / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 246, NWS Jackson, MS

June 25, 1994Sumter County, Alabama

NWS Jackson, MS issued this severe thunderstorm warning at Jun 25, 1994, 3:43 PM CDT for Sumter County, Alabama. It was in force for 62 min.

The area

The counties it named.

The facts

Issued
Jun 25, 1994, 3:43 PM CDT (20:43 UTC)
Expired
Jun 25, 1994, 4:45 PM CDT
In force
62 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Sumter County, AL

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 8.7 hours before the alert went out and 179 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 1994-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 423 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 1994-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 square meters per square second.1939Sfc1 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
423 J/kg
Mixed-layer CIN
-89 J/kg
Mixed-layer LCL
844 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
72 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

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
Jun 25, 1:02 PM CDTSevere Thunderstorm WarningJANNoxubee58 min
Jun 25, 2:02 PM CDTSevere Thunderstorm WarningJANNoxubee58 min
Jun 25, 3:15 PM CDTSevere Thunderstorm WarningJANNoxubee60 min
Jun 25, 3:24 PM CDTSevere Thunderstorm WarningJANKemper51 min
Jun 25, 3:27 PM CDTSevere Thunderstorm WarningJANWebster48 min
Jun 25, 3:48 PM CDTSevere Thunderstorm WarningJANCalhoun42 min
Jun 25, 4:23 PM CDTSevere Thunderstorm WarningJANCarroll37 min
Jun 25, 4:34 PM CDTSevere Thunderstorm WarningJANCalhoun26 min
Jun 25, 5:02 PM CDTSevere Thunderstorm WarningJANCarroll, Holmes43 min
Jun 25, 5:08 PM CDTFlash Flood WarningJANCalhoun67 min
Jun 25, 5:18 PM CDTSevere Thunderstorm WarningJANGrenada42 min
Jun 25, 5:43 PM CDTSevere Thunderstorm WarningJANHolmes32 min
Jun 25, 5:47 PM CDTSevere Thunderstorm WarningJANMontgomery43 min
Jun 25, 6:35 PM CDTSevere Thunderstorm WarningJANKemper40 min
Jun 25, 6:42 PM CDTSevere Thunderstorm WarningJANHolmes48 min
Jun 25, 2:44 PM CDTSevere Thunderstorm WarningJANSumter61 min

Nearby

Severe Thunderstorm Warnings in Alabama, 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.