Alert archive / Mississippi / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 79, NWS New Orleans, LA

June 25, 2022Saint Tammany Parish, Louisiana; Hancock County, Pearl River County, Mississippi

NWS New Orleans, LA issued this severe thunderstorm warning at Jun 25, 2022, 5:11 PM CDT for Saint Tammany Parish, Louisiana; Hancock County, Pearl River County, Mississippi. It was in force for 33 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
Jun 25, 2022, 5:11 PM CDT (22:11 UTC)
Expired
Jun 25, 2022, 5:44 PM CDT
In force
33 min
Issued by
NWS New Orleans, LA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Saint Tammany Parish, LA, Hancock County, MS, Pearl River County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 10.2 hours before the alert went out and 31 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, Slidell Radar S, LA at 12:00Z on 2022-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1299 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, Slidell Radar S, LA at 12:00Z on 2022-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -49 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
1299 J/kg
Mixed-layer CIN
-110 J/kg
Mixed-layer LCL
1378 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-49 m²/s²
0-3 km storm-relative helicity
-24 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
Jun 25, 9:52 AM CDTSpecial Marine WarningLIX53 min
Jun 25, 2:28 PM CDTSpecial Weather StatementLIXSaint Charles32 min
Jun 25, 2:54 PM CDTSpecial Weather StatementLIXOrleans36 min
Jun 25, 3:12 PM CDTSpecial Weather StatementLIXWashington33 min
Jun 25, 3:25 PM CDTSpecial Weather StatementLIXLivingston35 min
Jun 25, 3:58 PM CDTSpecial Weather StatementLIXTangipahoa32 min
Jun 25, 4:18 PM CDTSpecial Weather StatementLIXSaint Tammany27 min
Jun 25, 4:20 PM CDTSpecial Weather StatementLIXSaint Helena40 min
Jun 25, 4:53 PM CDTSpecial Weather StatementLIXSaint Tammany37 min
Jun 25, 4:55 PM CDTSpecial Weather StatementLIXSaint Helena35 min
Jun 25, 5:14 PM CDTSpecial Weather StatementLIXWest Feliciana46 min
Jun 25, 6:17 PM CDTSpecial Weather StatementLIXEast Baton Rouge, Livingston43 min
Jun 25, 6:58 PM CDTSpecial Weather StatementLIXOrleans32 min
Jun 25, 3:38 PM CDTSpecial Weather StatementLIXPike37 min
Jun 25, 4:02 PM CDTSpecial Weather StatementLIXHarrison28 min
Jun 25, 4:37 PM CDTSpecial Weather StatementLIXHancock23 min
Jun 25, 5:18 PM CDTSpecial Weather StatementLIXHancock27 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2022Severe Thunderstorm Warnings in Louisiana, 2022Every severe thunderstorm warning in 2022

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.