Alert archive / Mississippi / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 461, NWS Jackson, MS

August 20, 20255 counties in Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Aug 20, 2025, 1:42 PM CDT for 5 counties in Mississippi. It was in force for 63 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: Aug 20, 2025, 1:42 PM CDT (18:42 UTC)
Expired: Aug 20, 2025, 2:45 PM CDT
In force: 63 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Attala County, MS, Carroll County, MS, Choctaw County, MS, Holmes County, MS, Montgomery County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 117 km from the middle of the area, began a volume at 18:42 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, 6.7 hours before the alert went out and 115 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: 721 J/kg
Mixed-layer CIN: -90 J/kg
Mixed-layer LCL: 1389 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: -14 m²/s²
0-3 km storm-relative helicity: 39 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 Aug 20, 1:13 PM CDT, 29 minutes earlier.

Area forecast discussion, Aug 20, 1:13 PM CDT, 29 minutes before

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In the hours before

Special weather statement, Aug 20, 12:08 PM CDT, 1 hour 34 minutes before

Special Weather Statement
National Weather Service Jackson MS
1208 PM CDT Wed Aug 20 2025

MSZ032-037-038-045-201815-
Neshoba MS-Attala MS-Winston MS-Choctaw MS-
1208 PM CDT Wed Aug 20 2025

...A STRONG THUNDERSTORM WILL IMPACT SOUTH CENTRAL CHOCTAW...EAST
CENTRAL ATTALA...SOUTHWESTERN WINSTON AND NORTH CENTRAL NESHOBA
COUNTIES THROUGH 115 PM CDT...

At 1208 PM CDT, Doppler radar was tracking a strong thunderstorm near
Louisville, moving southwest at 20 mph.

HAZARD...Wind gusts up to 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

This strong thunderstorm will be near...
  Noxapater around 1215 PM CDT.
  Stallo around 1220 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3319 8928 3304 8896 3280 8915 3307 8947
TIME...MOT...LOC 1708Z 036DEG 16KT 3307 8912

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

22

Special weather statement, Aug 20, 12:12 PM CDT, 1 hour 30 minutes before

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Special weather statement, Aug 20, 12:58 PM CDT, 44 minutes before

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Special weather statement, Aug 20, 1:07 PM CDT, 35 minutes before

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Special weather statement, Aug 20, 1:30 PM CDT, 12 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
Aug 19, 8:29 PM CDT	Special Weather Statement	JAN	Bolivar, Sunflower, Washington	61 min
Aug 19, 8:45 PM CDT	Severe Thunderstorm Warning	JAN	Issaquena, Washington	60 min
Aug 19, 10:10 PM CDT	Special Weather Statement	JAN	Copiah	65 min
Aug 20, 2:41 AM CDT	Extreme Heat Warning	JAN	Bolivar, Carroll, Claiborne, Copiah, Hinds, Holmes and 9 more	17 hr
Aug 20, 12:08 PM CDT	Special Weather Statement	JAN	Winston	67 min
Aug 20, 12:12 PM CDT	Special Weather Statement	JAN	Madison	63 min
Aug 20, 12:37 PM CDT	Severe Thunderstorm Warning	JAN	Leake, Madison, Scott	38 min
Aug 20, 12:58 PM CDT	Special Weather Statement	JAN	Kemper	62 min
Aug 20, 1:07 PM CDT	Special Weather Statement	JAN	Leake	53 min
Aug 20, 1:30 PM CDT	Special Weather Statement	JAN	Rankin	60 min
Aug 20, 1:47 PM CDT	Special Weather Statement	JAN	Rankin	28 min
Aug 20, 2:12 PM CDT	Special Weather Statement	JAN	Scott	33 min
Aug 20, 2:46 PM CDT	Special Weather Statement	JAN	Simpson	29 min
Aug 20, 2:49 PM CDT	Special Weather Statement	JAN	Clay	26 min
Aug 20, 2:56 PM CDT	Special Weather Statement	JAN	Hinds	34 min
Aug 20, 3:04 PM CDT	Severe Thunderstorm Warning	JAN	Claiborne, Copiah, Hinds	56 min
Aug 20, 3:14 PM CDT	Special Weather Statement	JAN	Copiah	31 min
Aug 20, 3:41 PM CDT	Special Weather Statement	JAN	Lincoln	34 min
Aug 20, 4:01 PM CDT	Severe Thunderstorm Warning	JAN	Claiborne, Copiah, Franklin, Jefferson, Lincoln	74 min
Aug 20, 4:07 PM CDT	Special Weather Statement	JAN	Leflore	23 min
Aug 20, 5:01 PM CDT	Severe Thunderstorm Warning	JAN	Adams, Franklin, Jefferson	74 min
Aug 20, 5:16 PM CDT	Special Weather Statement	JAN	Issaquena	29 min
Aug 19, 9:42 PM CDT	Special Weather Statement	JAN	East Carroll, West Carroll	63 min
Aug 19, 10:04 PM CDT	Severe Thunderstorm Warning	JAN	East Carroll, Franklin, Madison, Morehouse, Richland, West Carroll	56 min
Aug 20, 1:06 AM CDT	Special Weather Statement	JAN	Concordia	54 min
Aug 20, 5:45 PM CDT	Special Weather Statement	JAN	Richland	30 min
Aug 20, 6:16 PM CDT	Special Weather Statement	JAN	East Carroll	29 min
Aug 20, 6:17 PM CDT	Special Weather Statement	JAN	Franklin	28 min
Aug 20, 6:18 PM CDT	Special Weather Statement	JAN	Morehouse	27 min
Aug 20, 4:32 PM CDT	Special Weather Statement	JAN	Ashley	28 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 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.