Alert archive / Mississippi / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 155, NWS Jackson, MS

May 7, 2026Forrest County, Jones County, Lamar County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at May 7, 2026, 3:39 AM CDT for Forrest County, Jones County, Lamar County, Mississippi. It was in force for 31 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 7, 2026, 3:39 AM CDT (08:39 UTC)
Expired
May 7, 2026, 4:10 AM CDT
In force
31 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Forrest County, MS, Jones County, MS, Lamar County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 122 km from the middle of the area, began a volume at 08:39 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
May 6, 10:58 PM CDTTornado WatchSPC9 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 8.7 hours before the alert went out and 127 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, Slidell Radar S, LA at 00:00Z on 2026-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1598 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, Slidell Radar S, LA at 00:00Z on 2026-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 252 square meters per square second.1939587897Sfc1 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
1598 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
648 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
252 m²/s²
0-3 km storm-relative helicity
306 m²/s²
Significant tornado parameter
3.3
Supercell composite
13.3

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 7, 1:54 AM CDT, 1 hour 45 minutes earlier.

Area forecast discussion, May 7, 1:54 AM CDT, 1 hour 45 minutes before
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In the hours before

Local storm report, May 6, 10:25 PM CDT, 5 hours 14 minutes before
Preliminary Local Storm Report
National Weather Service Jackson MS
1025 PM CDT Wed May 6 2026

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

0610 PM     Hail             1 SSE De Kalb           32.76N 88.65W
05/06/2026  E1.75 Inch       Kemper             MS   Public

&&

CE
Local storm report, May 6, 10:31 PM CDT, 5 hours 8 minutes before
Preliminary Local Storm Report
National Weather Service Jackson MS
1031 PM CDT Wed May 6 2026

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

0645 PM     Hail             2 N Clem                31.73N 89.79W
05/06/2026  E1.75 Inch       Jefferson Davis    MS   Broadcast Media

&&

CE
Local storm report, May 6, 10:33 PM CDT, 5 hours 6 minutes before
Preliminary Local Storm Report
National Weather Service Jackson MS
1033 PM CDT Wed May 6 2026

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

0623 PM     Tstm Wnd Dmg     Monticello              31.55N 90.11W
05/06/2026                   Lawrence           MS   Law Enforcement

            Law enforcement reported multiple trees down
            across Lawrence county.

&&

CR
Local storm report, May 6, 11:24 PM CDT, 4 hours 15 minutes before
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<body>
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    <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>
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Local storm report, May 6, 11:33 PM CDT, 4 hours 6 minutes before
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      <div class="status" id="status">Temporary Notice</div>
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Special weather statement, May 7, 1:20 AM CDT, 2 hours 19 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 6, 7:10 PM CDTTornado Warning EmergencyTornado observedCatastrophic damage threatJANFranklin, Lincoln65 min
May 6, 7:17 PM CDTSpecial Weather StatementJANJasper28 min
May 6, 7:23 PM CDTTornado Warning Tornado observedJANForrest22 min
May 6, 7:42 PM CDTSpecial Weather StatementJANLauderdale18 min
May 6, 7:59 PM CDTTornado Warning EmergencyTornado observedConsiderable damage threatJANJefferson Davis, Lawrence, Lincoln61 min
May 6, 8:05 PM CDTSpecial Weather StatementJANWinston25 min
May 6, 8:36 PM CDTSpecial Weather StatementJANHinds24 min
May 6, 8:45 PM CDTTornado WarningJANCovington, Jefferson Davis60 min
May 6, 9:04 PM CDTSpecial Weather StatementJANAdams26 min
May 6, 9:27 PM CDTRiver Flood WarningJANJones12 hr
May 6, 9:30 PM CDTTornado WarningJANCovington, Jones31 min
May 6, 9:34 PM CDTFlash Flood WarningJANCovington, Jefferson Davis, Lawrence116 min
May 6, 9:34 PM CDTSpecial Weather StatementJANJefferson Davis41 min
May 6, 9:42 PM CDTSpecial Weather StatementJANFranklin, Lincoln63 min
May 6, 10:03 PM CDTFlash Flood WarningJANFranklin, Lawrence, Lincoln4 hr
May 6, 10:09 PM CDTFlash Flood WarningJANCovington, Jones4 hr
May 6, 10:19 PM CDTSevere Thunderstorm WarningJANLawrence, Lincoln56 min
May 6, 10:38 PM CDTTornado WarningJANJefferson Davis, Lawrence, Lincoln, Marion67 min
May 6, 11:23 PM CDTSevere Thunderstorm WarningJANForrest, Lamar, Marion67 min
May 6, 11:38 PM CDTFlash Flood WarningJANCovington, Jefferson Davis, Lawrence3 hr
May 6, 11:57 PM CDTSevere Thunderstorm WarningJANForrest18 min
May 7, 1:20 AM CDTSpecial Weather StatementJANClarke, Jasper25 min
May 7, 3:18 AM CDTSevere Thunderstorm WarningJANCovington, Jefferson Davis, Lamar, Marion42 min
May 7, 3:44 AM CDTSpecial Weather StatementJANForrest31 min
May 6, 7:19 PM CDTSpecial Weather StatementJANFranklin26 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2026Every severe thunderstorm warning in 2026

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.