Alert archive / Mississippi / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 113, NWS Jackson, MS

April 20, 2024Claiborne County, Hinds County, Warren County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Apr 20, 2024, 8:55 AM CDT for Claiborne County, Hinds County, Warren County, Mississippi. It was in force for 19 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 20, 2024, 8:55 AM CDT (13:55 UTC)
Expired
Apr 20, 2024, 9:14 AM CDT
In force
19 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Claiborne County, MS, Hinds County, MS, Warren County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 71 km from the middle of the area, began a volume at 13:58 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 1.9 hours before the alert went out and 63 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 2024-04-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 331 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 2024-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 89 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
331 J/kg
Mixed-layer CIN
-112 J/kg
Mixed-layer LCL
501 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
89 m²/s²
0-3 km storm-relative helicity
185 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.2

Open this sounding in Storm Lab

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 20, 7:39 AM CDTSevere Thunderstorm WarningJANWarren66 min
Apr 20, 1:53 PM CDTSpecial Weather StatementJANSharkey67 min
Apr 20, 2:35 PM CDTSpecial Weather StatementJANMadison40 min
Apr 20, 3:19 PM CDTSpecial Weather StatementJANMadison41 min
Apr 20, 3:22 PM CDTSevere Thunderstorm WarningJANMadison22 min
Apr 20, 5:07 PM CDTSpecial Weather StatementJANLamar38 min
Apr 20, 5:16 PM CDTSevere Thunderstorm WarningJANForrest, Lamar37 min
Apr 20, 5:32 PM CDTSpecial Weather StatementJANJones28 min
Apr 20, 6:29 AM CDTSpecial Weather StatementJANMadison, Richland46 min
Apr 20, 6:53 AM CDTSevere Thunderstorm WarningJANFranklin, Madison67 min
Apr 20, 7:50 AM CDTSpecial Weather StatementJANEast Carroll55 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2024Every severe thunderstorm warning in 2024

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; radar from the NEXRAD Level II archive.