Alert archive / Mississippi / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 440, NWS Jackson, MS

August 1, 2025Clarke County, Jasper County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Aug 1, 2025, 5:49 PM CDT for Clarke County, Jasper County, Mississippi. It was in force for 29 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 1, 2025, 5:49 PM CDT (22:49 UTC)
Expired: Aug 1, 2025, 6:18 PM CDT
In force: 29 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Clarke County, MS, Jasper County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 105 km from the middle of the area, began a volume at 22:52 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

Birmingham, AL (KBMX), launched 12:00Z, 10.8 hours before the alert went out and 236 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: 830 J/kg
Mixed-layer CIN: -61 J/kg
Mixed-layer LCL: 978 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 30 m²/s²
0-3 km storm-relative helicity: 54 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

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 1, 4:00 PM CDT, 1 hour 49 minutes earlier.

Area forecast discussion, Aug 1, 4:00 PM CDT, 1 hour 49 minutes before

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In the hours before

Special weather statement, Aug 1, 3:25 PM CDT, 2 hours 24 minutes before

Special Weather Statement
National Weather Service Jackson MS
325 PM CDT Fri Aug 1 2025

MSZ031-012115-
Lowndes MS-
325 PM CDT Fri Aug 1 2025

...A STRONG THUNDERSTORM WILL IMPACT LOWNDES COUNTY THROUGH 415 PM
CDT...

At 324 PM CDT, Doppler radar was tracking a strong thunderstorm near
Bent Oak, or 7 miles southwest of Columbus, moving southeast at 15
mph.

HAZARD...Wind gusts up to 50 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to vegetation is
         possible.

This strong thunderstorm will be near...
  Columbus around 330 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3329 8831 3329 8867 3341 8867 3354 8850
      3352 8848 3353 8847 3355 8849 3358 8845
      3350 8828
TIME...MOT...LOC 2024Z 295DEG 14KT 3343 8849

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...50 MPH

EC

Special weather statement, Aug 1, 4:24 PM CDT, 1 hour 25 minutes before

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Special weather statement, Aug 1, 4:33 PM CDT, 1 hour 16 minutes before

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Special weather statement, Aug 1, 4:59 PM CDT, 50 minutes before

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Local storm report, Aug 1, 5:39 PM CDT, 10 minutes before

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Special weather statement, Aug 1, 5:40 PM CDT, 9 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
Jul 31, 7:36 PM CDT	Special Weather Statement	JAN	Sunflower	54 min
Jul 31, 8:36 PM CDT	Special Weather Statement	JAN	Washington	54 min
Aug 1, 1:52 PM CDT	Special Weather Statement	JAN	Clay	38 min
Aug 1, 1:54 PM CDT	Special Weather Statement	JAN	Lauderdale	36 min
Aug 1, 2:06 PM CDT	Special Weather Statement	JAN	Attala	39 min
Aug 1, 2:25 PM CDT	Special Weather Statement	JAN	Oktibbeha	35 min
Aug 1, 2:54 PM CDT	Special Weather Statement	JAN	Yazoo	36 min
Aug 1, 3:10 PM CDT	Special Weather Statement	JAN	Holmes	35 min
Aug 1, 3:25 PM CDT	Special Weather Statement	JAN	Lowndes	50 min
Aug 1, 3:40 PM CDT	Flash Flood Warning	JAN	Montgomery, Webster	2 hr
Aug 1, 4:24 PM CDT	Special Weather Statement	JAN	Newton	36 min
Aug 1, 4:33 PM CDT	Special Weather Statement	JAN	Madison	42 min
Aug 1, 4:59 PM CDT	Special Weather Statement	JAN	Newton, Scott	31 min
Aug 1, 5:40 PM CDT	Special Weather Statement	JAN	Jasper	35 min
Jul 31, 7:34 PM CDT	Special Weather Statement	JAN	Richland	56 min
Aug 1, 2:17 PM CDT	Special Weather Statement	JAN	Richland	43 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.