Alert archive / Mississippi / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 175, NWS Jackson, MS

April 15, 2023Jasper County, Jones County, Smith County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Apr 15, 2023, 1:05 PM CDT for Jasper County, Jones County, Smith County, Mississippi. It was in force for 40 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 15, 2023, 1:05 PM CDT (18:05 UTC)
Expired
Apr 15, 2023, 1:45 PM CDT
In force
40 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Jasper County, MS, Jones County, MS, Smith County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 81 km from the middle of the area, began a volume at 18:08 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 15, 11:20 AM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 6.1 hours before the alert went out and 187 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, Slidell Radar S, LA at 12:00Z on 2023-04-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 529 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, Slidell Radar S, LA at 12:00Z on 2023-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 158 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
529 J/kg
Mixed-layer CIN
-323 J/kg
Mixed-layer LCL
915 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
158 m²/s²
0-3 km storm-relative helicity
214 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 15, 9:54 AM CDTSpecial Weather StatementJANAdams66 min
Apr 15, 10:18 AM CDTSpecial Weather StatementJANFranklin, Lincoln57 min
Apr 15, 11:01 AM CDTSpecial Weather StatementJANCopiah44 min
Apr 15, 11:56 AM CDTSpecial Weather StatementJANLawrence, Lincoln64 min
Apr 15, 12:11 PM CDTSevere Thunderstorm WarningJANJefferson Davis, Lamar, Lawrence, Marion49 min
Apr 15, 12:25 PM CDTSpecial Weather StatementJANJefferson Davis, Lawrence35 min
Apr 15, 12:27 PM CDTSpecial Weather StatementJANLamar33 min
Apr 15, 12:37 PM CDTSevere Thunderstorm WarningJANCovington, Jefferson Davis, Simpson, Smith38 min
Apr 15, 12:42 PM CDTSevere Thunderstorm WarningJANCovington, Forrest, Jones46 min
Apr 15, 1:09 PM CDTSevere Thunderstorm WarningJANForrest51 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2023Every severe thunderstorm warning in 2023

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.