Alert archive / Mississippi / Mesoscale Discussions in 2022

Mesoscale Discussion 1114

June 10, 2022Choctaw County, Washington County, Alabama; 27 parishes in Louisiana; 35 counties in Mississippi

The Storm Prediction Center issued this mesoscale discussion at Jun 10, 2022, 1:06 PM CDT for Choctaw County, Washington County, Alabama; 27 parishes in Louisiana; 35 counties in Mississippi. It was in force for 84 min.

The area

The outline as issued.

The facts

Issued: Jun 10, 2022, 1:06 PM CDT (18:06 UTC)
Expired: Jun 10, 2022, 2:30 PM CDT
In force: 84 min
Issued by: the Storm Prediction Center
Concerning: Severe thunderstorm watch 342

All 64 counties

Choctaw County, AL, Washington County, AL, Ascension Parish, LA, Avoyelles Parish, LA, Catahoula Parish, LA, Concordia Parish, LA, De Soto Parish, LA, East Baton Rouge Parish, LA, East Feliciana Parish, LA, Evangeline Parish, LA, Grant Parish, LA, Iberville Parish, LA, LaSalle Parish, LA, Livingston Parish, LA, Natchitoches Parish, LA, Pointe Coupee Parish, LA, Rapides Parish, LA, Red River Parish, LA, Sabine Parish, LA, Saint Helena Parish, LA, Saint John the Baptist Parish, LA, Saint Landry Parish, LA, Saint Tammany Parish, LA, Tangipahoa Parish, LA, Vernon Parish, LA, Washington Parish, LA, West Baton Rouge Parish, LA, West Feliciana Parish, LA, Winn Parish, LA, Adams County, MS, Amite County, MS, Clarke County, MS, Copiah County, MS, Covington County, MS, Forrest County, MS, Franklin County, MS, George County, MS, Greene County, MS, Hancock County, MS, Harrison County, MS, Hinds County, MS, Jasper County, MS, Jefferson County, MS, Jefferson Davis County, MS, Jones County, MS, Lamar County, MS, Lauderdale County, MS, Lawrence County, MS, Leake County, MS, Lincoln County, MS, Marion County, MS, Neshoba County, MS, Newton County, MS, Pearl River County, MS, Perry County, MS, Pike County, MS, Rankin County, MS, Scott County, MS, Simpson County, MS, Smith County, MS, Stone County, MS, Walthall County, MS, Wayne County, MS, Wilkinson County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 96 km from the middle of the area, began a volume at 18:05 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 6.1 hours before the alert went out and 94 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: 242 J/kg
Mixed-layer CIN: -222 J/kg
Mixed-layer LCL: 889 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 64 m²/s²
0-3 km storm-relative helicity: 97 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 10, 1:39 PM CDT	Severe Thunderstorm Watch	SPC	Baldwin, Choctaw, Clarke, Conecuh, Dallas, Escambia and 6 more	5 hr
Jun 10, 4:58 PM CDT	Mesoscale Discussion	SPC	Coffee, Conecuh, Covington, Dale, Escambia, Geneva and 1 more	92 min
Jun 10, 7:52 AM CDT	Mesoscale Discussion	SPC	East Carroll, Franklin, Madison, Morehouse, Ouachita, Richland and 3 more	113 min
Jun 10, 8:49 AM CDT	Severe Thunderstorm Watch	SPC	Avoyelles, Bienville, Bossier, Caddo, Caldwell, Catahoula and 23 more	6 hr
Jun 10, 10:21 AM CDT	Mesoscale Discussion	SPC	Franklin, Madison, Tensas	84 min
Jun 10, 2:42 PM CDT	Severe Thunderstorm Watch	SPC	Acadia, Allen, Ascension, Assumption, Avoyelles, East Baton Rouge and 21 more	4 hr

Nearby

Mesoscale Discussions in Mississippi, 2022 Mesoscale Discussions in Louisiana, 2022 Mesoscale Discussions in Alabama, 2022 Every mesoscale discussion 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; radar from the NEXRAD Level II archive.