Alert archive / Mississippi / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 121, NWS New Orleans, LA

August 21, 2026Amite County, Mississippi

NWS New Orleans, LA issued this severe thunderstorm warning at Aug 21, 2026, 2:50 PM CDT for Amite County, 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
Aug 21, 2026, 2:50 PM CDT (19:50 UTC)
Expired
Aug 21, 2026, 3:30 PM CDT
In force
40 min
Issued by
NWS New Orleans, LA
Area
Storm-based polygon
Damage threat
Considerable
Hail
1.75 in
Wind
60.0 mph

County Amite County, MS

The radar

The Hammond radar (KHDC), 82 km from the middle of the area, began a volume at 19:54 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
Aug 21, 2:04 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 7.8 hours before the alert went out and 145 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, Jackson, MS at 12:00Z on 2026-08-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1263 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, Jackson, MS at 12:00Z on 2026-08-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 135 square meters per square second.1939Sfc1 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
1263 J/kg
Mixed-layer CIN
-235 J/kg
Mixed-layer LCL
1303 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
135 m²/s²
0-3 km storm-relative helicity
149 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS New Orleans, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 21, 10:50 AM CDTHeat AdvisoryLIXAscension, Assumption, East Baton Rouge, East Feliciana, Iberville, Jefferson and 16 more33 hr
Aug 21, 10:52 AM CDTSpecial Marine WarningLIX83 min
Aug 21, 2:01 PM CDTSpecial Weather StatementLIXSaint Tammany29 min
Aug 21, 2:44 PM CDTSevere Thunderstorm WarningLIXJefferson, Orleans, Plaquemines, Saint Bernard46 min
Aug 21, 2:47 PM CDTSpecial Weather StatementLIXTangipahoa28 min
Aug 21, 3:01 PM CDTSevere Thunderstorm WarningLIXSaint Tammany31 min
Aug 21, 3:03 PM CDTSevere Thunderstorm Warning Considerable damage threatLIXSaint Helena, Tangipahoa42 min
Aug 21, 3:08 PM CDTSevere Thunderstorm WarningLIXEast Baton Rouge, East Feliciana, Saint Helena52 min
Aug 21, 3:10 PM CDTSpecial Weather StatementLIXOrleans35 min
Aug 21, 3:18 PM CDTFlash Flood WarningLIXJefferson, Orleans, Plaquemines118 min
Aug 21, 3:18 PM CDTSpecial Weather StatementLIXSaint Tammany27 min
Aug 21, 3:31 PM CDTSevere Thunderstorm WarningLIXJefferson, Orleans44 min
Aug 21, 3:43 PM CDTSevere Thunderstorm WarningLIXSaint Tammany36 min
Aug 21, 3:56 PM CDTAreal Flood AdvisoryLIXJefferson, Orleans3 hr
Aug 21, 3:57 PM CDTSevere Thunderstorm WarningLIXEast Feliciana, Livingston, Saint Helena, Tangipahoa48 min
Aug 21, 4:07 PM CDTSevere Thunderstorm Warning Considerable damage threatLIXWashington38 min
Aug 21, 4:35 PM CDTSevere Thunderstorm WarningLIXLivingston40 min
Aug 21, 4:58 PM CDTSevere Thunderstorm WarningLIXSaint Tammany, Washington32 min
Aug 21, 5:02 PM CDTSevere Thunderstorm WarningLIXSaint Tammany, Tangipahoa43 min
Aug 21, 5:14 PM CDTSevere Thunderstorm WarningLIXSaint Tammany46 min
Aug 21, 5:19 PM CDTSevere Thunderstorm WarningLIXEast Baton Rouge, Pointe Coupee, West Baton Rouge41 min
Aug 21, 5:28 PM CDTSpecial Marine WarningLIX92 min
Aug 21, 5:47 PM CDTSevere Thunderstorm WarningLIXIberville, Pointe Coupee, West Baton Rouge32 min
Aug 21, 6:10 PM CDTSevere Thunderstorm WarningLIXSaint James33 min
Aug 21, 6:31 PM CDTSevere Thunderstorm WarningLIXSaint Charles, Saint John the Baptist17 min
Aug 21, 6:36 PM CDTSpecial Weather StatementLIXOrleans24 min
Aug 21, 6:46 PM CDTSevere Thunderstorm WarningLIXOrleans, Saint Bernard31 min
Aug 20, 7:13 PM CDTSpecial Weather StatementLIXWalthall47 min
Aug 20, 7:52 PM CDTSevere Thunderstorm WarningLIXPike, Walthall68 min
Aug 20, 9:02 PM CDTSpecial Weather StatementLIXWalthall28 min
Aug 21, 2:01 PM CDTSpecial Weather StatementLIXPike44 min
Aug 21, 2:03 PM CDTSpecial Weather StatementLIXHancock27 min
Aug 21, 2:15 PM CDTSevere Thunderstorm WarningLIXHancock45 min
Aug 21, 2:26 PM CDTSevere Thunderstorm WarningLIXAmite, Pike49 min
Aug 21, 2:39 PM CDTSevere Thunderstorm WarningLIXHarrison51 min
Aug 21, 3:36 PM CDTSevere Thunderstorm Warning Considerable damage threatLIXWalthall39 min
Aug 21, 3:46 PM CDTSevere Thunderstorm WarningLIXWilkinson33 min
Aug 21, 4:17 PM CDTSevere Thunderstorm Warning Considerable damage threatLIXPearl River43 min
Aug 21, 4:22 PM CDTSevere Thunderstorm WarningLIXAmite, Wilkinson38 min
Aug 21, 5:10 PM CDTSevere Thunderstorm WarningLIXPike, Walthall50 min
Aug 21, 5:21 PM CDTSevere Thunderstorm WarningLIXAmite, Pike, Wilkinson39 min
Aug 21, 5:57 PM CDTSevere Thunderstorm WarningLIXAmite18 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.