Alert archive / Mississippi / Tornado Watches in 2023

Tornado Watch 338

June 19, 202318 counties in Alabama; 5 parishes in Louisiana; 33 counties in Mississippi

The Storm Prediction Center issued this tornado watch at Jun 19, 2023, 12:57 AM CDT for 18 counties in Alabama; 5 parishes in Louisiana; 33 counties in Mississippi. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Jun 19, 2023, 12:57 AM CDT (05:57 UTC)
Expired
Jun 19, 2023, 8:00 AM CDT
In force
7 hr
Issued by
the Storm Prediction Center
Largest hail expected
1.5 in
Strongest gust expected
60 kt
All 56 counties

Bibb County, AL, Choctaw County, AL, Clarke County, AL, Dallas County, AL, Fayette County, AL, Greene County, AL, Hale County, AL, Lamar County, AL, Marengo County, AL, Marion County, AL, Perry County, AL, Pickens County, AL, Sumter County, AL, Tuscaloosa County, AL, Walker County, AL, Washington County, AL, Wilcox County, AL, Winston County, AL, Catahoula Parish, LA, Concordia Parish, LA, Franklin Parish, LA, Madison Parish, LA, Tensas Parish, LA, Adams County, MS, Attala County, MS, Claiborne County, MS, Clarke County, MS, Copiah County, MS, Covington County, MS, Franklin County, MS, Greene County, MS, Hinds County, MS, Holmes County, MS, Jasper County, MS, Jefferson County, MS, Jefferson Davis County, MS, Jones County, MS, Kemper County, MS, Lauderdale County, MS, Lawrence County, MS, Leake County, MS, Lincoln County, MS, Lowndes County, MS, Madison County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Perry County, MS, Rankin County, MS, Scott County, MS, Simpson County, MS, Smith County, MS, Warren County, MS, Wayne County, MS, Winston County, MS, Yazoo County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 7 km from the middle of the area, began a volume at 05:59 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
50%
One or more EF2 to EF5 tornadoes
30%
Ten or more severe wind reports
40%
One or more gusts of 65 knots or more
10%
Ten or more severe hail reports
30%
One or more hailstones of 2 inches or more
10%
Six or more combined severe hail and wind reports
70%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jun 19, 1:08 AM CDTSevere Thunderstorm WarningJANClarke, Jasper, Lauderdale, Newton82 min
Jun 19, 1:24 AM CDTFlash Flood WarningJANAttala, Leake, Madison, Neshoba, Winston2 hr
Jun 19, 1:59 AM CDTFlash Flood WarningJANClarke, Lauderdale, Newton3 hr
Jun 19, 1:59 AM CDTTornado WarningJANClarke, Lauderdale31 min
Jun 19, 2:06 AM CDTSevere Thunderstorm WarningMOBChoctaw39 min
Jun 19, 2:51 AM CDTSevere Thunderstorm WarningMOBChoctaw39 min
Jun 19, 2:51 AM CDTSevere Thunderstorm WarningJANClarke, Lauderdale27 min
Jun 19, 3:09 AM CDTSevere Thunderstorm WarningJANJones51 min
Jun 19, 3:21 AM CDTSevere Thunderstorm WarningBMXMarengo41 min
Jun 19, 3:23 AM CDTSevere Thunderstorm WarningMOBClarke, Wilcox32 min
Jun 19, 3:47 AM CDTSevere Thunderstorm WarningMOBWilcox43 min
Jun 19, 3:51 AM CDTSevere Thunderstorm WarningBMXDallas54 min
Jun 19, 4:39 AM CDTSevere Thunderstorm WarningJANCopiah, Simpson51 min
Jun 19, 5:30 AM CDTSevere Thunderstorm WarningJANCovington, Jefferson Davis, Lawrence, Simpson, Smith45 min
Jun 19, 5:44 AM CDTSevere Thunderstorm WarningJANCopiah, Lawrence, Lincoln46 min
Jun 19, 5:49 AM CDTTornado WarningJANCovington, Jefferson Davis, Simpson56 min
Jun 19, 6:35 AM CDTSevere Thunderstorm WarningJANCovington, Jones40 min

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 00:00Z, 6.0 hours before the alert went out and 17 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, Jackson, MS at 00:00Z on 2023-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3876 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, Jackson, MS at 00:00Z on 2023-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 261 square meters per square second.19395878Sfc1 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
3876 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
1004 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
261 m²/s²
0-3 km storm-relative helicity
481 m²/s²
Significant tornado parameter
9.4
Supercell composite
42.8

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 18, 8:43 PM CDTMesoscale DiscussionSPCBibb, Choctaw, Clarke, Colbert, Cullman, Dallas and 21 more2 hr
Jun 18, 9:29 PM CDTTornado WatchSPCBibb, Choctaw, Clarke, Colbert, Dallas, Fayette and 16 more4 hr
Jun 18, 10:48 PM CDTMesoscale DiscussionSPCChoctaw, Clarke, Greene, Hale, Marengo, Perry and 3 more117 min
Jun 19, 3:08 AM CDTMesoscale DiscussionSPCChoctaw, Clarke, Marengo, Monroe, Washington, Wilcox2 hr
Jun 19, 1:35 PM CDTMesoscale DiscussionSPCButler, Choctaw, Clarke, Conecuh, Dallas, Lowndes and 5 more115 min
Jun 18, 7:45 PM CDTSevere Thunderstorm WatchSPCBienville, Bossier, Caddo, Caldwell, Claiborne, De Soto and 11 more7 hr
Jun 19, 5:03 PM CDTMesoscale DiscussionSPCAscension, East Baton Rouge, Livingston, Orleans, Saint Bernard, Saint Charles and 5 more117 min
Jun 18, 8:36 PM CDTMesoscale DiscussionSPCAttala, Calhoun, Chickasaw, Choctaw, Clay, Jasper and 12 more84 min
Jun 19, 7:05 AM CDTMesoscale DiscussionSPCForrest, George, Greene, Jones, Perry, Stone115 min

Nearby

Tornado Watches in Mississippi, 2023Tornado Watches in Alabama, 2023Tornado Watches in Louisiana, 2023Every 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.