Alert archive / Mississippi / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 505, NWS Jackson, MS

July 14, 2023Clay County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jul 14, 2023, 1:34 PM CDT for Clay County, Mississippi. It was in force for 51 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 14, 2023, 1:34 PM CDT (18:34 UTC)
Expired: Jul 14, 2023, 2:25 PM CDT
In force: 51 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Clay County, MS

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 6.6 hours before the alert went out and 169 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 3094 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 682 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: -95 m²/s²
0-3 km storm-relative helicity: -44 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.9

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Jackson, MS wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 14, 12:46 PM CDT, 48 minutes earlier.

Area forecast discussion, Jul 14, 12:46 PM CDT, 48 minutes before

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Hazardous weather outlook, Jul 14, 3:26 AM CDT, 10 hours 8 minutes before

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In the hours before

Local storm report, Jul 14, 8:47 AM CDT, 4 hours 47 minutes before

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Local storm report, Jul 14, 9:40 AM CDT, 3 hours 54 minutes before

Preliminary Local Storm Report
National Weather Service Jackson MS
940 AM CDT Fri Jul 14 2023

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1100 AM     Flash Flood      Wahalak                 32.91N 88.53W
07/13/2023                   Kemper             MS   Broadcast Media

            Roads flooded and a hunting camp flooded in
            the Wahalak area.

&&

DL

Local storm report, Jul 14, 9:44 AM CDT, 3 hours 50 minutes before

Preliminary Local Storm Report
National Weather Service Jackson MS
944 AM CDT Fri Jul 14 2023

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0720 PM     Flood            4 ENE Mashulaville      33.10N 88.68W
07/13/2023                   Noxubee            MS   Dept of Highways

            MS Hwy 14 was flooded near the Noxubee
            River.

&&

DL

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 14, 2:14 PM CDT	Special Weather Statement	JAN	Lowndes	46 min
Jul 14, 2:19 PM CDT	Heat Advisory	JAN	Adams, Attala, Bolivar, Carroll, Choctaw, Claiborne and 41 more	30 hr
Jul 14, 2:24 PM CDT	Severe Thunderstorm Warning	JAN	Clay, Lowndes, Noxubee, Oktibbeha	51 min
Jul 14, 2:35 PM CDT	Special Weather Statement	JAN	Webster	25 min
Jul 14, 2:46 PM CDT	Special Weather Statement	JAN	Noxubee	29 min
Jul 14, 2:55 PM CDT	Flash Flood Warning	JAN	Oktibbeha	2 hr
Jul 14, 3:00 PM CDT	Severe Thunderstorm Warning	JAN	Kemper, Noxubee, Winston	45 min
Jul 14, 3:15 PM CDT	Special Weather Statement	JAN	Lowndes	30 min
Jul 14, 3:20 PM CDT	Special Weather Statement	JAN	Winston	25 min
Jul 14, 3:56 PM CDT	Special Weather Statement	JAN	Lauderdale	34 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2023 Every 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.