Alert archive / Mississippi / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 274, NWS Mobile, AL

July 11, 2023George County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Jul 11, 2023, 6:45 PM CDT for George County, Mississippi. It was in force for 45 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
Jul 11, 2023, 6:45 PM CDT (23:45 UTC)
Expired
Jul 11, 2023, 7:30 PM CDT
In force
45 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County George County, MS

The radar

The Mobile radar (KMOB), 44 km from the middle of the area, began a volume at 23:45 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, 11.8 hours before the alert went out and 212 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 2023-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 304 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 2023-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 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
304 J/kg
Mixed-layer CIN
-63 J/kg
Mixed-layer LCL
811 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
93 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 11, 9:06 AM CDTSpecial Marine WarningMOB84 min
Jul 11, 12:12 PM CDTSpecial Marine WarningMOB50 min
Jul 11, 1:26 PM CDTSpecial Weather StatementMOBClarke49 min
Jul 11, 1:48 PM CDTSpecial Weather StatementMOBChoctaw42 min
Jul 11, 2:01 PM CDTSpecial Weather StatementMOBMobile44 min
Jul 11, 2:20 PM CDTSpecial Weather StatementMOBClarke40 min
Jul 11, 3:35 PM CDTSpecial Weather StatementMOBMobile40 min
Jul 11, 3:45 PM CDTSpecial Marine WarningMOB90 min
Jul 11, 4:20 PM CDTSpecial Marine WarningMOB85 min
Jul 11, 4:56 PM CDTSpecial Weather StatementMOBBaldwin49 min
Jul 11, 5:07 PM CDTSpecial Marine WarningMOB83 min
Jul 11, 5:52 PM CDTSpecial Weather StatementMOBChoctaw, Washington38 min
Jul 11, 3:02 PM CDTSpecial Weather StatementMOBEscambia43 min
Jul 11, 4:04 PM CDTSpecial Weather StatementMOBSanta Rosa41 min
Jul 11, 5:26 PM CDTSpecial Weather StatementMOBGreene64 min
Jul 11, 5:36 PM CDTSpecial Weather StatementMOBPerry39 min
Jul 11, 6:02 PM CDTAreal Flood AdvisoryMOBWayne3 hr
Jul 11, 6:15 PM CDTAreal Flood AdvisoryMOBGeorge, Greene, Perry, Wayne3 hr
Jul 11, 6:19 PM CDTSpecial Weather StatementMOBGeorge56 min
Jul 11, 6:26 PM CDTSevere Thunderstorm WarningMOBGeorge, Greene49 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.