Alert archive / Mississippi / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 83, NWS Memphis, TN

April 27, 20234 counties in Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at Apr 27, 2023, 9:12 PM CDT for 4 counties in Mississippi. It was in force for 48 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 27, 2023, 9:12 PM CDT (02:12 UTC)
Expired
Apr 27, 2023, 10:00 PM CDT
In force
48 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Panola County, MS, Quitman County, MS, Tate County, MS, Tunica County, MS

The radar

The Memphis radar (KNQA), 99 km from the middle of the area, began a volume at 02:12 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 27, 5:12 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 2.2 hours before the alert went out and 342 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, Birmingham, AL at 00:00Z on 2023-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 228 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, Birmingham, AL at 00:00Z on 2023-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 95 square meters per square second.1939587897117Sfc1 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
228 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
783 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
95 m²/s²
0-3 km storm-relative helicity
132 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 27, 8:32 PM CDTSevere Thunderstorm WarningMEGCoahoma, Quitman, Tunica43 min
Apr 27, 8:45 PM CDTSpecial Weather StatementMEGLee30 min
Apr 27, 9:04 PM CDTSpecial Weather StatementMEGCoahoma, Quitman26 min
Apr 27, 10:01 PM CDTSpecial Weather StatementMEGPanola29 min
Apr 28, 12:37 AM CDTSpecial Weather StatementMEGAlcorn23 min
Apr 28, 12:38 AM CDTSpecial Weather StatementMEGAlcorn37 min
Apr 28, 6:12 AM CDTDense Fog AdvisoryMEGAlcorn, Benton, Calhoun, Chickasaw, Coahoma, DeSoto and 16 more3 hr
Apr 27, 7:04 PM CDTSevere Thunderstorm WarningMEGPhillips41 min
Apr 27, 7:40 PM CDTSpecial Weather StatementMEGPhillips35 min
Apr 27, 8:02 PM CDTSevere Thunderstorm WarningMEGPhillips43 min
Apr 27, 8:04 PM CDTSevere Thunderstorm WarningMEGLee41 min
Apr 27, 8:19 PM CDTSpecial Weather StatementMEGPhillips26 min
Apr 27, 8:42 PM CDTSpecial Weather StatementMEGLee33 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.