Alert archive / Mississippi / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 147, NWS New Orleans, LA

August 14, 2024Harrison County, Jackson County, Mississippi

NWS New Orleans, LA issued this severe thunderstorm warning at Aug 14, 2024, 5:39 PM CDT for Harrison County, Jackson County, Mississippi. It was in force for 31 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 14, 2024, 5:39 PM CDT (22:39 UTC)
Expired: Aug 14, 2024, 6:10 PM CDT
In force: 31 min
Issued by: NWS New Orleans, LA
Area: Storm-based polygon
Hail: 0.88 in
Wind: 60.0 mph

Counties Harrison County, MS, Jackson County, MS

The radar

The Mobile radar (KMOB), 64 km from the middle of the area, began a volume at 22:38 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

Slidell Radar S, LA (KSIL), launched 12:00Z, 10.7 hours before the alert went out and 84 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: 2037 J/kg
Mixed-layer CIN: -38 J/kg
Mixed-layer LCL: 1057 m above ground
0-6 km bulk shear: 0 kt
0-1 km storm-relative helicity: -5 m²/s²
0-3 km storm-relative helicity: 19 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 New Orleans, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 14, 3:59 PM CDT, 1 hour 40 minutes earlier.

Area forecast discussion, Aug 14, 3:59 PM CDT, 1 hour 40 minutes before

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In the hours before

Special weather statement, Aug 14, 4:01 PM CDT, 1 hour 38 minutes before

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Special weather statement, Aug 14, 4:09 PM CDT, 1 hour 30 minutes before

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Special weather statement, Aug 14, 4:19 PM CDT, 1 hour 20 minutes before

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Special weather statement, Aug 14, 4:39 PM CDT, 1 hour before

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Special weather statement, Aug 14, 5:07 PM CDT, 32 minutes before

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Special weather statement, Aug 14, 5:22 PM CDT, 17 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 14, 2:31 PM CDT	Heat Advisory	LIX	Ascension, Assumption, East Baton Rouge, East Feliciana, Iberville, Jefferson and 13 more	13 hr
Aug 14, 2:55 PM CDT	Special Weather Statement	LIX	Tangipahoa	35 min
Aug 14, 3:58 PM CDT	Special Weather Statement	LIX	Tangipahoa	32 min
Aug 14, 4:01 PM CDT	Special Weather Statement	LIX	Saint Helena	29 min
Aug 14, 4:09 PM CDT	Special Weather Statement	LIX	Lafourche	36 min
Aug 14, 4:37 PM CDT	Special Marine Warning	LIX		83 min
Aug 14, 4:39 PM CDT	Special Weather Statement	LIX	Livingston	36 min
Aug 14, 5:07 PM CDT	Special Weather Statement	LIX	Saint Helena	23 min
Aug 14, 5:52 PM CDT	Special Marine Warning	LIX		83 min
Aug 14, 6:34 PM CDT	Special Weather Statement	LIX	Washington	26 min
Aug 14, 4:19 PM CDT	Special Weather Statement	LIX	Jackson	41 min
Aug 14, 4:51 PM CDT	Severe Thunderstorm Warning	LIX	Jackson	39 min
Aug 14, 5:22 PM CDT	Special Weather Statement	LIX	Harrison	38 min
Aug 14, 5:59 PM CDT	Special Weather Statement	LIX	Hancock, Harrison	31 min
Aug 14, 6:02 PM CDT	Special Weather Statement	LIX	Pike, Walthall	28 min
Aug 14, 6:07 PM CDT	Special Weather Statement	LIX	Harrison	23 min
Aug 14, 6:31 PM CDT	Special Weather Statement	LIX	Hancock, Harrison	29 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2024 Every severe thunderstorm warning in 2024

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.