Alert archive / Mississippi / Tornado Watches in 2023

Tornado Watch 335

June 18, 20234 states

The Storm Prediction Center issued this tornado watch at Jun 18, 2023, 6:52 PM CDT for 4 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Jun 18, 2023, 6:52 PM CDT (23:52 UTC)
Expired: Jun 19, 2023, 1:00 AM CDT
In force: 6 hr
Issued by: the Storm Prediction Center
Largest hail expected: 3 in
Strongest gust expected: 65 kt

All 101 counties

Ashley County, AR, Chicot County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Lee County, AR, Mississippi County, AR, Phillips County, AR, Poinsett County, AR, St. Francis County, AR, Catahoula Parish, LA, Concordia Parish, LA, East Carroll Parish, LA, Franklin Parish, LA, Madison Parish, LA, Morehouse Parish, LA, Richland Parish, LA, Tensas Parish, LA, West Carroll Parish, LA, Adams County, MS, Alcorn County, MS, Attala County, MS, Benton County, MS, Bolivar County, MS, Calhoun County, MS, Carroll County, MS, Chickasaw County, MS, Choctaw County, MS, Claiborne County, MS, Clarke County, MS, Clay County, MS, Coahoma County, MS, Copiah County, MS, Covington County, MS, DeSoto County, MS, Franklin County, MS, Grenada County, MS, Hinds County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Itawamba County, MS, Jasper County, MS, Jefferson County, MS, Jefferson Davis County, MS, Kemper County, MS, Lafayette County, MS, Lauderdale County, MS, Lawrence County, MS, Leake County, MS, Lee County, MS, Leflore County, MS, Lincoln County, MS, Lowndes County, MS, Madison County, MS, Marshall County, MS, Monroe County, MS, Montgomery County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Oktibbeha County, MS, Panola County, MS, Pontotoc County, MS, Prentiss County, MS, Quitman County, MS, Rankin County, MS, Scott County, MS, Sharkey County, MS, Simpson County, MS, Smith County, MS, Sunflower County, MS, Tallahatchie County, MS, Tate County, MS, Tippah County, MS, Tishomingo County, MS, Tunica County, MS, Union County, MS, Warren County, MS, Washington County, MS, Webster County, MS, Winston County, MS, Yalobusha County, MS, Yazoo County, MS, Benton County, TN, Carroll County, TN, Chester County, TN, Crockett County, TN, Decatur County, TN, Dyer County, TN, Fayette County, TN, Gibson County, TN, Hardeman County, TN, Hardin County, TN, Haywood County, TN, Henderson County, TN, Lauderdale County, TN, Madison County, TN, McNairy County, TN, Shelby County, TN, Tipton County, TN

The radar

The Jackson/Brandon,MS radar (KDGX), 119 km from the middle of the area, began a volume at 23:56 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.

What SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes: 60%
One or more EF2 to EF5 tornadoes: 40%
Ten or more severe wind reports: 60%
One or more gusts of 65 knots or more: 30%
Ten or more severe hail reports: 60%
One or more hailstones of 2 inches or more: 60%
Six or more combined severe hail and wind reports: 95%

Warnings issued inside it

29 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

Issued	Product	Office	Counties	Lasted
Jun 18, 7:27 PM CDT	Severe Thunderstorm Warning	JAN	Leake, Madison	78 min
Jun 18, 7:29 PM CDT	Severe Thunderstorm Warning	JAN	Hinds, Rankin	61 min
Jun 18, 7:38 PM CDT	Tornado Warning	JAN	Leake, Madison, Scott	67 min
Jun 18, 7:47 PM CDT	Severe Thunderstorm Warning	JAN	Newton, Scott	58 min
Jun 18, 8:02 PM CDT	Tornado Warning	JAN	Newton, Scott	44 min
Jun 18, 8:05 PM CDT	Severe Thunderstorm Warning	JAN	Grenada, Montgomery, Webster	70 min
Jun 18, 8:27 PM CDT	Tornado Warning	JAN	Rankin, Scott	48 min
Jun 18, 8:29 PM CDT	Severe Thunderstorm Warning	JAN	Hinds, Rankin	61 min
Jun 18, 8:35 PM CDT	Tornado Warning	JAN	Leake, Scott	22 min
Jun 18, 8:36 PM CDT	Severe Thunderstorm Warning	MEG	Fayette, Shelby	39 min
Jun 18, 8:56 PM CDT	Severe Thunderstorm Warning	JAN	Leake, Madison, Rankin, Scott	79 min
Jun 18, 8:56 PM CDT	Tornado Warning	MEG	Fayette, Hardeman	34 min
Jun 18, 9:00 PM CDT	Tornado Warning	JAN	Rankin, Simpson	60 min
Jun 18, 9:01 PM CDT	Severe Thunderstorm Warning	JAN	Clay, Lowndes, Noxubee, Oktibbeha, Winston	59 min
Jun 18, 9:03 PM CDT	Tornado Warning	JAN	Rankin, Scott, Smith	57 min
Jun 18, 9:14 PM CDT	Severe Thunderstorm Warning	JAN	Ashley, Chicot	35 min
Jun 18, 9:34 PM CDT	Tornado Warning	MEG	Benton, Tippah	26 min
Jun 18, 9:43 PM CDT	Severe Thunderstorm Warning	JAN	Leake, Madison, Scott, Yazoo	77 min
Jun 18, 9:56 PM CDT	Tornado Warning	JAN	Jasper, Newton, Scott, Smith	20 min
Jun 18, 9:58 PM CDT	Tornado Warning	JAN	Rankin, Simpson, Smith	62 min
Jun 18, 9:58 PM CDT	Severe Thunderstorm Warning	MEG	Alcorn, Tippah	47 min
Jun 18, 10:57 PM CDT	Tornado Warning	JAN	Jasper, Smith	63 min
Jun 18, 11:00 PM CDT	Severe Thunderstorm Warning	JAN	Leake, Neshoba, Newton, Scott	60 min
Jun 18, 11:58 PM CDT	Severe Thunderstorm Warning	JAN	Clarke, Jasper	62 min
Jun 19, 12:08 AM CDT	Severe Thunderstorm Warning	JAN	Newton, Scott	82 min
Jun 19, 12:15 AM CDT	Flash Flood Warning	JAN	Attala, Choctaw, Montgomery, Winston	3 hr
Jun 19, 12:26 AM CDT	Severe Thunderstorm Warning	JAN	Catahoula, Concordia, Franklin, Tensas	16 min
Jun 19, 12:36 AM CDT	Severe Thunderstorm Warning	JAN	Kemper, Neshoba, Winston	69 min
Jun 19, 12:54 AM CDT	Flash Flood Warning	JAN	Leake, Neshoba, Newton, Scott	3 hr

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 11.9 hours before the alert went out and 112 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: 1451 J/kg
Mixed-layer CIN: -109 J/kg
Mixed-layer LCL: 796 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 80 m²/s²
0-3 km storm-relative helicity: 251 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 17, 7:58 PM CDT	Mesoscale Discussion	SPC	Howard, Little River, Polk, Sevier	2 hr
Jun 17, 9:57 PM CDT	Severe Thunderstorm Watch	SPC	Hempstead, Howard, Lafayette, Little River, Miller, Nevada and 1 more	4 hr
Jun 17, 10:15 PM CDT	Mesoscale Discussion	SPC	Benton, Carroll, Crawford, Franklin, Howard, Johnson and 11 more	2 hr
Jun 17, 11:09 PM CDT	Severe Thunderstorm Watch	SPC	Arkansas, Benton, Boone, Bradley, Calhoun, Carroll and 34 more	6 hr
Jun 18, 2:01 AM CDT	Mesoscale Discussion	SPC	Arkansas, Ashley, Baxter, Benton, Boone, Bradley and 49 more	119 min
Jun 18, 2:27 AM CDT	Severe Thunderstorm Watch	SPC	Ashley, Baxter, Chicot, Cleburne, Craighead, Crittenden and 19 more	10 hr
Jun 18, 7:08 AM CDT	Mesoscale Discussion	SPC	Hempstead, Lafayette, Little River, Miller	97 min
Jun 18, 3:12 PM CDT	Mesoscale Discussion	SPC	Little River, Miller	93 min
Jun 18, 5:31 PM CDT	Mesoscale Discussion	SPC	Arkansas, Craighead, Crittenden, Cross, Desha, Drew and 10 more	119 min
Jun 18, 6:11 PM CDT	Mesoscale Discussion	SPC	Ashley, Chicot	64 min
Jun 18, 5:21 AM CDT	Mesoscale Discussion	SPC	Madison	114 min
Jun 18, 9:55 AM CDT	Mesoscale Discussion	SPC	Bienville, Bossier, Caddo, Caldwell, Claiborne, De Soto and 15 more	2 hr
Jun 18, 3:45 PM CDT	Mesoscale Discussion	SPC	Tensas, Washington	90 min
Jun 18, 6:11 AM CDT	Severe Thunderstorm Watch	SPC	Covington, Forrest, George, Greene, Harrison, Jackson and 9 more	6 hr
Jun 18, 6:33 AM CDT	Mesoscale Discussion	SPC	Itawamba, Tishomingo	117 min
Jun 18, 11:32 AM CDT	Mesoscale Discussion	SPC	Clarke, George, Greene, Jackson, Jasper, Jones and 2 more	118 min

Nearby

Tornado Watches in Mississippi, 2023 Tornado Watches in Tennessee, 2023 Tornado Watches in Arkansas, 2023 Every tornado watch 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.