Alert archive / Mississippi / Tornado Watches in 2022

Tornado Watch 5

January 1, 202215 counties in Arkansas; 14 parishes in Louisiana; 50 counties in Mississippi

The Storm Prediction Center issued this tornado watch at Jan 1, 2022, 1:30 PM CST for 15 counties in Arkansas; 14 parishes in Louisiana; 50 counties in Mississippi. It was in force for 9 hr.

The area

The outline as issued.

The facts

Issued
Jan 1, 2022, 1:30 PM CST (19:30 UTC)
Expired
Jan 1, 2022, 10:00 PM CST
In force
9 hr
Issued by
the Storm Prediction Center
Largest hail expected
1.5 in
Strongest gust expected
65 kt
All 79 counties

Arkansas County, AR, Ashley County, AR, Bradley County, AR, Calhoun County, AR, Chicot County, AR, Cleveland County, AR, Columbia County, AR, Desha County, AR, Drew County, AR, Jefferson County, AR, Lafayette County, AR, Lincoln County, AR, Ouachita County, AR, Phillips County, AR, Union County, AR, Bienville Parish, LA, Bossier Parish, LA, Caddo Parish, LA, Claiborne Parish, LA, East Carroll Parish, LA, Jackson Parish, LA, Lincoln Parish, LA, Madison Parish, LA, Morehouse Parish, LA, Ouachita Parish, LA, Richland Parish, LA, Union Parish, LA, Webster Parish, LA, West Carroll Parish, LA, Alcorn County, MS, Attala County, MS, Benton County, MS, Bolivar County, MS, Calhoun County, MS, Carroll County, MS, Chickasaw County, MS, Choctaw County, MS, Clay County, MS, Coahoma County, MS, Grenada County, MS, Hinds County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Itawamba County, MS, Kemper County, MS, Lafayette County, MS, Lauderdale County, MS, Leake County, MS, Lee County, MS, Leflore 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, Sunflower County, MS, Tallahatchie County, MS, Tate County, MS, Tippah County, MS, Tishomingo County, MS, Union County, MS, Warren County, MS, Washington County, MS, Webster County, MS, Winston County, MS, Yalobusha County, MS, Yazoo County, MS

The radar

The Little Rock radar (KLZK), 171 km from the middle of the area, began a volume at 19:29 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
70%
One or more EF2 to EF5 tornadoes
50%
Ten or more severe wind reports
60%
One or more gusts of 65 knots or more
40%
Ten or more severe hail reports
20%
One or more hailstones of 2 inches or more
10%
Six or more combined severe hail and wind reports
80%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jan 1, 1:59 PM CSTSevere Thunderstorm WarningMEGLafayette, Marshall, Panola46 min
Jan 1, 2:36 PM CSTSevere Thunderstorm WarningMEGBenton, Lafayette, Marshall, Tippah, Union39 min
Jan 1, 2:43 PM CSTSevere Thunderstorm WarningMEGPrentiss, Tishomingo18 min
Jan 1, 3:36 PM CSTSevere Thunderstorm WarningJANKemper, Noxubee39 min
Jan 1, 4:27 PM CSTSevere Thunderstorm WarningMEGTishomingo17 min
Jan 1, 4:53 PM CSTSevere Thunderstorm WarningJANChoctaw, Oktibbeha, Winston52 min
Jan 1, 5:30 PM CSTTornado WarningJANClay, Lowndes, Oktibbeha60 min
Jan 1, 5:30 PM CSTTornado WarningJANClay, Lowndes, Noxubee, Oktibbeha60 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 12:00Z, 7.5 hours before the alert went out and 184 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 12:00Z on 2022-01-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 387 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 12:00Z on 2022-01-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 265 square meters per square second.1939587897Sfc1 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
387 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
714 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
265 m²/s²
0-3 km storm-relative helicity
345 m²/s²
Significant tornado parameter
0.6
Supercell composite
3.3

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 31, 9:08 PM CSTMesoscale DiscussionSPCCleburne, Conway, Craighead, Cross, Faulkner, Garland and 24 more3 hr
Dec 31, 10:35 PM CSTSevere Thunderstorm WatchSPCClark, Cleburne, Conway, Faulkner, Garland, Hot Spring and 26 more353 days
Dec 31, 11:57 PM CSTTornado WatchSPCClay, Craighead, Cross, Greene, Mississippi, Poinsett7 hr
Jan 1, 2:07 AM CSTMesoscale DiscussionSPCCleburne, Craighead, Cross, Greene, Independence, Jackson and 4 more113 min
Jan 1, 11:37 AM CSTMesoscale DiscussionSPCArkansas, Ashley, Bradley, Calhoun, Chicot, Cleveland and 5 more113 min
Jan 1, 1:57 PM CSTMesoscale DiscussionSPCAlcorn, Benton, Calhoun, Carroll, Chickasaw, Choctaw and 15 more93 min
Jan 1, 3:27 PM CSTMesoscale DiscussionSPCAlcorn, Itawamba, Lee, Pontotoc, Prentiss, Tishomingo and 1 more93 min

Nearby

Tornado Watches in Mississippi, 2022Tornado Watches in Arkansas, 2022Tornado Watches in Louisiana, 2022Every tornado watch 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.