Alert archive / Mississippi / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 147, NWS New Orleans, LA

June 19, 2023Harrison County, Mississippi

NWS New Orleans, LA issued this severe thunderstorm warning at Jun 19, 2023, 6:37 PM CDT for Harrison County, Mississippi. It was in force for 38 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 19, 2023, 6:37 PM CDT (23:37 UTC)
Expired: Jun 19, 2023, 7:15 PM CDT
In force: 38 min
Issued by: NWS New Orleans, LA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Harrison County, MS

The radar

The Mobile radar (KMOB), 86 km from the middle of the area, began a volume at 23:40 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, 11.6 hours before the alert went out and 62 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: 4070 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 624 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 200 m²/s²
0-3 km storm-relative helicity: 224 m²/s²
Significant tornado parameter: 4.2
Supercell composite: 20.1

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 Jun 19, 3:59 PM CDT, 2 hours 38 minutes earlier.

Area forecast discussion, Jun 19, 3:59 PM CDT, 2 hours 38 minutes before

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In the hours before

Local storm report, Jun 19, 4:53 PM CDT, 1 hour 44 minutes before

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Local storm report, Jun 19, 4:58 PM CDT, 1 hour 39 minutes before

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Local storm report, Jun 19, 5:06 PM CDT, 1 hour 31 minutes before

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Local storm report, Jun 19, 5:26 PM CDT, 1 hour 11 minutes before

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Special weather statement, Jun 19, 5:48 PM CDT, 49 minutes before

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Special weather statement, Jun 19, 6:28 PM CDT, 9 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
Jun 19, 2:34 PM CDT	Special Marine Warning	LIX		56 min
Jun 19, 3:20 PM CDT	Special Marine Warning	LIX		55 min
Jun 19, 3:56 PM CDT	Heat Advisory	LIX	Ascension, Assumption, East Baton Rouge, Iberville, Jefferson, Livingston and 10 more	27 hr
Jun 19, 4:12 PM CDT	Special Marine Warning	LIX		63 min
Jun 19, 4:33 PM CDT	Special Marine Warning	LIX		57 min
Jun 19, 5:07 PM CDT	Special Marine Warning	LIX		53 min
Jun 19, 6:06 PM CDT	Flood Watch	LIX	Ascension, Assumption, East Baton Rouge, East Feliciana, Iberville, Jefferson and 13 more	31 hr
Jun 19, 6:06 PM CDT	Special Marine Warning	LIX		54 min
Jun 19, 6:08 PM CDT	Special Marine Warning	LIX		67 min
Jun 19, 6:30 PM CDT	Special Marine Warning	LIX		60 min
Jun 19, 6:55 PM CDT	Special Marine Warning	LIX		65 min
Jun 18, 8:08 PM CDT	Special Weather Statement	LIX	Hancock	67 min
Jun 19, 7:33 AM CDT	Severe Thunderstorm Warning	LIX	Harrison, Jackson	42 min
Jun 19, 8:14 AM CDT	Special Weather Statement	LIX	Jackson	61 min
Jun 19, 8:20 AM CDT	Areal Flood Advisory	LIX	Jackson	46 min
Jun 19, 8:25 AM CDT	Severe Thunderstorm Warning	LIX	Jackson	50 min
Jun 19, 9:06 AM CDT	Flash Flood Warning	LIX	Jackson	88 min
Jun 19, 2:46 PM CDT	Tornado Warning	LIX	Jackson	44 min
Jun 19, 2:49 PM CDT	Severe Thunderstorm Warning	LIX	Jackson	41 min
Jun 19, 3:10 PM CDT	Flash Flood Warning	LIX	Jackson	3 hr
Jun 19, 3:28 PM CDT	Severe Thunderstorm Warning	LIX	Jackson	62 min
Jun 19, 4:21 PM CDT	Special Weather Statement	LIX	Hancock	24 min
Jun 19, 4:26 PM CDT	Severe Thunderstorm Warning	LIX	Hancock, Harrison	49 min
Jun 19, 5:48 PM CDT	Special Weather Statement	LIX	Harrison	27 min
Jun 19, 6:00 PM CDT	Severe Thunderstorm Warning	LIX	Harrison	45 min
Jun 19, 6:28 PM CDT	Special Weather Statement	LIX	Hancock	32 min
Jun 19, 6:33 PM CDT	Areal Flood Advisory	LIX	Hancock, Harrison	117 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2023 Every severe thunderstorm warning in 2023

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.