Alert archive / Mississippi / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 200, NWS Jackson, MS

May 9, 2023Clay County, Oktibbeha County, Webster County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at May 9, 2023, 8:26 PM CDT for Clay County, Oktibbeha County, Webster County, Mississippi. It was in force for 49 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: May 9, 2023, 8:26 PM CDT (01:26 UTC)
Expired: May 9, 2023, 9:15 PM CDT
In force: 49 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Clay County, MS, Oktibbeha County, MS, Webster County, MS

The radar

The Columbus AFB radar (KGWX), 71 km from the middle of the area, began a volume at 01:27 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

Birmingham, AL (KBMX), launched 00:00Z, 1.4 hours before the alert went out and 209 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: 1290 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 1190 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 50 m²/s²
0-3 km storm-relative helicity: 33 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 May 9, 7:01 PM CDT, 1 hour 25 minutes earlier.

Area forecast discussion, May 9, 7:01 PM CDT, 1 hour 25 minutes before

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In the hours before

Special weather statement, May 9, 7:43 PM CDT, 43 minutes before

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</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
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      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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      <p id="message2">
        Please try again in a few minutes.
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The office that day

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

Issued	Product	Office	Counties	Lasted
May 9, 7:43 PM CDT	Special Weather Statement	JAN	Lowndes	32 min
May 10, 2:48 PM CDT	Flood Watch	JAN	Adams, Claiborne, Franklin, Issaquena, Jefferson, Warren	28 hr
May 10, 3:29 PM CDT	Special Weather Statement	JAN	Jones	46 min
May 10, 3:59 PM CDT	Special Weather Statement	JAN	Lauderdale	31 min
May 10, 4:22 PM CDT	Special Weather Statement	JAN	Copiah	23 min
May 10, 4:40 PM CDT	Special Weather Statement	JAN	Simpson	35 min
May 10, 5:07 PM CDT	Special Weather Statement	JAN	Rankin	38 min
May 10, 6:09 PM CDT	Special Weather Statement	JAN	Choctaw	36 min
May 10, 6:19 PM CDT	Severe Thunderstorm Warning	JAN	Choctaw, Montgomery, Webster	34 min
May 10, 3:33 PM CDT	Special Weather Statement	JAN	Chicot	42 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; radar from the NEXRAD Level II archive.