Alert archive / Mississippi / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 173, NWS Jackson, MS

May 22, 20264 counties in Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at May 22, 2026, 5:55 PM CDT for 4 counties in Mississippi. It was in force for 40 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 22, 2026, 5:55 PM CDT (22:55 UTC)
Expired: May 22, 2026, 6:35 PM CDT
In force: 40 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Covington County, MS, Jefferson Davis County, MS, Simpson County, MS, Smith County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 61 km from the middle of the area, began a volume at 22:59 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, 10.9 hours before the alert went out and 70 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: 555 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 526 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 268 m²/s²
0-3 km storm-relative helicity: 253 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 4.7

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 22, 4:33 PM CDT, 1 hour 22 minutes earlier.

Area forecast discussion, May 22, 4:33 PM CDT, 1 hour 22 minutes before

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In the hours before

Special weather statement, May 22, 5:09 PM CDT, 46 minutes before

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Local storm report, May 22, 5:16 PM CDT, 39 minutes before

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Local storm report, May 22, 5:17 PM CDT, 38 minutes before

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Special weather statement, May 22, 5:35 PM CDT, 20 minutes before

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Special weather statement, May 22, 5:35 PM CDT, 20 minutes before

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Special weather statement, May 22, 5:39 PM CDT, 16 minutes before

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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 21, 7:31 PM CDT	Special Weather Statement	JAN	Franklin	44 min
May 21, 7:45 PM CDT	River Flood Warning	JAN	Attala, Holmes	5 days
May 22, 2:54 AM CDT	Special Weather Statement	JAN	Lawrence	51 min
May 22, 3:06 AM CDT	Special Weather Statement	JAN	Issaquena, Sharkey, Yazoo	39 min
May 22, 3:58 AM CDT	Severe Thunderstorm Warning	JAN	Jefferson Davis	28 min
May 22, 4:10 AM CDT	Special Weather Statement	JAN	Humphreys	50 min
May 22, 4:23 AM CDT	Special Weather Statement	JAN	Simpson	52 min
May 22, 4:33 AM CDT	Tornado Warning	JAN	Hinds	21 min
May 22, 6:20 AM CDT	Special Weather Statement	JAN	Clarke, Jasper	55 min
May 22, 7:23 AM CDT	Special Weather Statement	JAN	Clarke, Kemper, Lauderdale	37 min
May 22, 7:36 AM CDT	Special Weather Statement	JAN	Jones	24 min
May 22, 8:10 AM CDT	Special Weather Statement	JAN	Clarke	35 min
May 22, 8:37 AM CDT	Tornado Warning	JAN	Lauderdale	8 min
May 22, 8:43 AM CDT	Special Weather Statement	JAN	Clarke	47 min
May 22, 1:31 PM CDT	Special Weather Statement	JAN	Clarke, Lauderdale	29 min
May 22, 3:35 PM CDT	Special Weather Statement	JAN	Webster	40 min
May 22, 3:41 PM CDT	Special Weather Statement	JAN	Lowndes	34 min
May 22, 3:54 PM CDT	Flash Flood Warning	JAN	Forrest, Lamar	3 hr
May 22, 4:09 PM CDT	Severe Thunderstorm Warning	JAN	Forrest, Jones	66 min
May 22, 4:23 PM CDT	Severe Thunderstorm Warning	JAN	Clay, Lowndes	46 min
May 22, 5:09 PM CDT	Special Weather Statement	JAN	Marion	51 min
May 22, 5:28 PM CDT	Severe Thunderstorm Warning	JAN	Copiah	47 min
May 22, 5:35 PM CDT	Special Weather Statement	JAN	Lowndes	40 min
May 22, 5:39 PM CDT	Special Weather Statement	JAN	Covington	51 min
May 22, 6:17 PM CDT	Special Weather Statement	JAN	Copiah	43 min
May 22, 6:18 PM CDT	Special Weather Statement	JAN	Smith	42 min
May 22, 6:25 PM CDT	Severe Thunderstorm Warning	JAN	Simpson, Smith	32 min
May 22, 6:48 PM CDT	Special Weather Statement	JAN	Humphreys	57 min
May 22, 6:50 PM CDT	Special Weather Statement	JAN	Simpson	40 min
May 22, 6:55 PM CDT	Special Weather Statement	JAN	Franklin	50 min
May 22, 1:08 AM CDT	Special Weather Statement	JAN	Madison	52 min
May 22, 5:35 PM CDT	Special Weather Statement	JAN	Morehouse	40 min
May 22, 6:11 PM CDT	Special Weather Statement	JAN	Morehouse	49 min
May 22, 6:42 PM CDT	Severe Thunderstorm Warning	JAN	Morehouse, Richland, West Carroll	63 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2026 Every 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.