Alert archive / Mississippi / Tornado Watches in 2022
Tornado Watch 119
The Storm Prediction Center issued this tornado watch at Apr 12, 2022, 11:21 PM CDT for 9 parishes in Louisiana; 18 counties in Mississippi. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 12, 2022, 11:21 PM CDT (04:21 UTC)
- Expired
- Apr 13, 2022, 3:14 AM CDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
All 27 counties
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, Claiborne County, MS, Copiah County, MS, Franklin County, MS, Hinds County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Jefferson County, MS, Lawrence County, MS, Lincoln County, MS, Madison County, MS, Rankin County, MS, Sharkey County, MS, Simpson County, MS, Warren County, MS, Washington County, MS, Yazoo County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 112 km from the middle of the area, began a volume at 04:22 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
- 40%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 40%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 40%
- One or more hailstones of 2 inches or more
- 20%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
4 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 11:39 PM CDT | Severe Thunderstorm Warning | JAN | Franklin, Morehouse, Richland, West Carroll | 66 min |
| Apr 13, 12:22 AM CDT | Severe Thunderstorm Warning | JAN | East Carroll, Madison | 68 min |
| Apr 13, 12:49 AM CDT | Severe Thunderstorm Warning | JAN | Issaquena, Sharkey, Warren | 71 min |
| Apr 13, 1:23 AM CDT | Severe Thunderstorm Warning | JAN | Hinds, Humphreys, Madison, Yazoo | 39 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, 4.4 hours before the alert went out and 103 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.
- Mixed-layer CAPE
- 887 J/kg
- Mixed-layer CIN
- -67 J/kg
- Mixed-layer LCL
- 772 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 183 m²/s²
- 0-3 km storm-relative helicity
- 164 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 2.7
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 7:29 PM CDT | Tornado Watch | SPC | Bienville, Bossier, Caddo, Caldwell, Claiborne, De Soto and 11 more | 7 hr |
| Apr 12, 9:39 PM CDT | Mesoscale Discussion | SPC | Bienville, Bossier, Caddo, Claiborne, De Soto, Jackson and 8 more | 96 min |
| Apr 12, 11:11 PM CDT | Mesoscale Discussion | SPC | Caldwell, Catahoula, East Carroll, Franklin, Madison, Morehouse and 4 more | 2 hr |
| Apr 13, 7:05 AM CDT | Mesoscale Discussion | SPC | Bossier, Caddo | 2 hr |
| Apr 13, 10:07 AM CDT | Mesoscale Discussion | SPC | Bienville, Bossier, Caddo, Claiborne, Lincoln, Red River and 2 more | 83 min |
| Apr 13, 10:37 AM CDT | Tornado Watch | SPC | Bienville, Bossier, Caddo, Claiborne, De Soto, Jackson and 7 more | 6 hr |
| Apr 13, 2:48 PM CDT | Tornado Watch | SPC | Bienville, Caldwell, Catahoula, Claiborne, Concordia, De Soto and 17 more | 8 hr |
| Apr 13, 3:36 PM CDT | Mesoscale Discussion | SPC | Caldwell, Catahoula, Concordia, East Carroll, Franklin, Grant and 11 more | 84 min |
| Apr 13, 5:11 PM CDT | Mesoscale Discussion | SPC | Acadia, Allen, Avoyelles, Beauregard, Calcasieu, Cameron and 12 more | 2 hr |
| Apr 13, 5:25 PM CDT | Tornado Watch | SPC | Acadia, Allen, Avoyelles, Beauregard, Calcasieu, Evangeline and 4 more | 5 hr |
| Apr 13, 6:29 PM CDT | Mesoscale Discussion | SPC | Avoyelles, Catahoula, Concordia, East Carroll, Franklin, Madison and 1 more | 91 min |
| Apr 13, 1:42 PM CDT | Tornado Watch | SPC | Alcorn, Benton, Calhoun, Chickasaw, Coahoma, DeSoto and 16 more | 7 hr |
| Apr 13, 5:00 PM CDT | Mesoscale Discussion | SPC | Alcorn, Benton, Bolivar, Calhoun, Coahoma, DeSoto and 16 more | 90 min |
Nearby
Tornado Watches in Mississippi, 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.