Alert archive / Mississippi / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 280, NWS Jackson, MS

May 18, 2025Bolivar County, Sunflower County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at May 18, 2025, 1:30 AM CDT for Bolivar County, Sunflower 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
May 18, 2025, 1:30 AM CDT (06:30 UTC)
Expired
May 18, 2025, 2:15 AM CDT
In force
45 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Bolivar County, MS, Sunflower County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 173 km from the middle of the area, began a volume at 06:31 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 00:00Z, 6.5 hours before the alert went out and 165 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 00:00Z on 2025-05-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2601 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 00:00Z on 2025-05-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 86 square meters per square second.19395878Sfc1 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
2601 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
950 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
86 m²/s²
0-3 km storm-relative helicity
78 m²/s²
Significant tornado parameter
1.4
Supercell composite
9.0

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 17, 7:42 PM CDT, 5 hours 48 minutes earlier.

Area forecast discussion, May 17, 7:42 PM CDT, 5 hours 48 minutes before
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In the hours before

Local storm report, May 17, 8:18 PM CDT, 5 hours 12 minutes before
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  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
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  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Local storm report, May 17, 11:15 PM CDT, 2 hours 15 minutes before
Preliminary Local Storm Report
National Weather Service Jackson MS
1115 PM CDT Sat May 17 2025

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

1200 PM     Flash Flood      1 NNW Jackson           32.31N 90.19W
05/17/2025                   Hinds              MS   Public

            Numerous roads and streets flooded as
            reported by Jackson PD.

&&

OAJ

The office that day

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

IssuedProductOfficeCountiesLasted
May 17, 7:01 PM CDTSpecial Weather StatementJANIssaquena, Sharkey59 min
May 17, 7:16 PM CDTSpecial Weather StatementJANYazoo59 min
May 18, 2:06 AM CDTSpecial Weather StatementJANBolivar, Leflore, Sunflower54 min
May 18, 2:16 AM CDTSevere Thunderstorm WarningJANLeflore, Sunflower44 min
May 18, 2:39 AM CDTSevere Thunderstorm WarningJANCarroll, Grenada, Leflore, Montgomery, Sunflower66 min
May 18, 2:58 AM CDTTornado WarningJANCarroll, Leflore, Montgomery49 min
May 18, 3:28 AM CDTTornado WarningJANAttala, Carroll, Choctaw, Montgomery20 min
May 18, 3:53 AM CDTSpecial Weather StatementJANChoctaw, Montgomery, Webster52 min
May 18, 4:23 AM CDTSpecial Weather StatementJANClay52 min
May 18, 4:55 AM CDTSpecial Weather StatementJANLowndes35 min
May 18, 8:35 AM CDTSevere Thunderstorm WarningJANBolivar40 min
May 18, 9:21 AM CDTRiver Flood WarningJANCarroll, Leflore26 hr
May 18, 9:48 AM CDTSevere Thunderstorm WarningJANGrenada42 min
May 18, 10:56 AM CDTSevere Thunderstorm WarningJANClay49 min
May 18, 11:26 AM CDTSevere Thunderstorm WarningJANLowndes34 min
May 18, 3:05 PM CDTSpecial Weather StatementJANWest Carroll25 min
May 18, 5:46 PM CDTSpecial Weather StatementJANMorehouse29 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2025Every severe thunderstorm warning in 2025

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.