Alert archive / Mississippi / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 249, NWS Jackson, MS

May 6, 2025Adams County, Mississippi; Concordia Parish, Louisiana

NWS Jackson, MS issued this severe thunderstorm warning at May 6, 2025, 12:19 PM CDT for Adams County, Mississippi; Concordia Parish, Louisiana. It was in force for 41 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 6, 2025, 12:19 PM CDT (17:19 UTC)
Expired: May 6, 2025, 1:00 PM CDT
In force: 41 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Concordia Parish, LA, Adams County, MS

The radar

The Ft Polk radar (KPOE), 145 km from the middle of the area, began a volume at 17:20 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, 5.3 hours before the alert went out and 164 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1730 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 64 m²/s²
0-3 km storm-relative helicity: 171 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 6, 12:04 PM CDT, 15 minutes earlier.

Area forecast discussion, May 6, 12:04 PM CDT, 15 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 6, 10:01 AM CDT	River Flood Warning	JAN	Copiah, Simpson	42 hr
May 6, 10:01 AM CDT	River Flood Warning	JAN	Simpson	42 hr
May 6, 12:57 PM CDT	Severe Thunderstorm Warning	JAN	Adams, Franklin, Jefferson	63 min
May 6, 1:47 PM CDT	Special Weather Statement	JAN	Claiborne, Copiah	43 min
May 6, 2:49 PM CDT	Special Weather Statement	JAN	Adams	56 min
May 6, 3:33 PM CDT	Special Weather Statement	JAN	Adams	42 min
May 6, 4:03 PM CDT	Severe Thunderstorm Warning	JAN	Adams, Claiborne, Jefferson	42 min
May 6, 4:30 PM CDT	Severe Thunderstorm Warning	JAN	Adams, Franklin, Jefferson	45 min
May 6, 4:32 PM CDT	Severe Thunderstorm Warning Considerable damage threat	JAN	Washington	43 min
May 6, 5:07 PM CDT	Severe Thunderstorm Warning	JAN	Adams	28 min
May 6, 6:04 PM CDT	Severe Thunderstorm Warning	JAN	Claiborne, Issaquena, Sharkey, Warren	41 min
May 6, 6:38 PM CDT	Special Weather Statement	JAN	Lincoln	37 min
May 6, 6:42 PM CDT	Severe Thunderstorm Warning	JAN	Claiborne, Copiah, Hinds, Issaquena, Jefferson, Warren	63 min
May 6, 1:32 PM CDT	Special Weather Statement	JAN	Catahoula	28 min
May 6, 4:18 PM CDT	Special Weather Statement	JAN	Morehouse	42 min
May 6, 4:58 PM CDT	Special Weather Statement	JAN	Concordia	32 min
May 6, 5:00 PM CDT	Special Weather Statement	JAN	Catahoula, Tensas	30 min
May 6, 5:16 PM CDT	Severe Thunderstorm Warning Considerable damage threat	JAN	Franklin, Madison, Morehouse, Richland, West Carroll	59 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2025 Severe Thunderstorm Warnings in Louisiana, 2025 Every 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.