Alert archive / Mississippi / Tornado Watches in 2022
Tornado Watch 20
The Storm Prediction Center issued this tornado watch at Feb 17, 2022, 10:49 AM CST for 4 states. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 17, 2022, 10:49 AM CST (16:49 UTC)
- Expired
- Feb 17, 2022, 6:00 PM CST
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 65 kt
All 86 counties
Arkansas County, AR, Ashley County, AR, Bradley County, AR, Chicot County, AR, Crittenden County, AR, Cross County, AR, Desha County, AR, Drew County, AR, Lee County, AR, Lincoln County, AR, Mississippi County, AR, Monroe County, AR, Phillips County, AR, Poinsett County, AR, St. Francis County, AR, Union County, AR, Caldwell Parish, LA, Catahoula Parish, LA, Concordia Parish, LA, East Carroll Parish, LA, Franklin Parish, LA, Grant Parish, LA, Jackson Parish, LA, LaSalle Parish, LA, Lincoln Parish, LA, Madison Parish, LA, Morehouse Parish, LA, Ouachita Parish, LA, Richland Parish, LA, Tensas Parish, LA, Union Parish, LA, West Carroll Parish, LA, Winn Parish, LA, Adams 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, Coahoma County, MS, Copiah County, MS, DeSoto County, MS, Franklin County, MS, Grenada County, MS, Hinds County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Jefferson County, MS, Lafayette County, MS, Lawrence County, MS, Leake County, MS, Leflore County, MS, Lincoln County, MS, Madison County, MS, Marshall County, MS, Montgomery County, MS, Panola County, MS, Pontotoc County, MS, Quitman County, MS, Rankin County, MS, Scott County, MS, Sharkey County, MS, Simpson County, MS, Sunflower County, MS, Tallahatchie County, MS, Tate County, MS, Tippah County, MS, Tunica County, MS, Union County, MS, Warren County, MS, Washington County, MS, Webster County, MS, Yalobusha County, MS, Yazoo County, MS, Crockett County, TN, Fayette County, TN, Hardeman County, TN, Haywood County, TN, Lauderdale County, TN, Madison County, TN, Shelby County, TN, Tipton County, TN
The radar
The Memphis radar (KNQA), 149 km from the middle of the area, began a volume at 16:48 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
- 70%
- One or more gusts of 65 knots or more
- 40%
- Ten or more severe hail reports
- 5%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 80%
Warnings issued inside it
19 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 17, 11:24 AM CST | Severe Thunderstorm Warning | LZK | Arkansas, Cleveland, Jefferson, Lincoln, Monroe, Prairie | 36 min |
| Feb 17, 12:11 PM CST | Severe Thunderstorm Warning | JAN | Holmes, Humphreys, Yazoo | 49 min |
| Feb 17, 12:16 PM CST | Tornado Warning | JAN | Holmes, Humphreys, Yazoo | 32 min |
| Feb 17, 12:19 PM CST | Severe Thunderstorm Warning | JAN | Madison, Tensas | 41 min |
| Feb 17, 12:46 PM CST | Severe Thunderstorm Warning | LZK | Desha | 14 min |
| Feb 17, 12:46 PM CST | Severe Thunderstorm Warning | JAN | Claiborne, Hinds, Warren | 44 min |
| Feb 17, 12:48 PM CST | Severe Thunderstorm Warning | MEG | Phillips | 27 min |
| Feb 17, 12:51 PM CST | Severe Thunderstorm Warning | JAN | Attala, Carroll, Holmes | 39 min |
| Feb 17, 12:57 PM CST | Tornado Warning | JAN | Attala, Carroll, Holmes, Montgomery | 48 min |
| Feb 17, 1:05 PM CST | Severe Thunderstorm Warning | JAN | Attala, Holmes, Yazoo | 25 min |
| Feb 17, 1:17 PM CST | Severe Thunderstorm Warning | MEG | Fayette, Hardeman, Haywood, Madison, Shelby, Tipton | 43 min |
| Feb 17, 1:27 PM CST | Severe Thunderstorm Warning | MEG | Carroll, Crockett, Gibson, Haywood, Madison | 13 min |
| Feb 17, 1:36 PM CST | Severe Thunderstorm Warning | JAN | Clay, Webster | 39 min |
| Feb 17, 1:38 PM CST | Severe Thunderstorm Warning | JAN | Leake, Madison | 52 min |
| Feb 17, 1:44 PM CST | Tornado Warning | JAN | Leake, Madison | 27 min |
| Feb 17, 2:13 PM CST | Severe Thunderstorm Warning | JAN | Clay, Webster | 47 min |
| Feb 17, 2:20 PM CST | Severe Thunderstorm Warning | JAN | Attala, Choctaw, Leake, Oktibbeha, Winston | 40 min |
| Feb 17, 2:22 PM CST | Severe Thunderstorm Warning | JAN | Choctaw, Clay, Oktibbeha | 38 min |
| Feb 17, 4:07 PM CST | Severe Thunderstorm Warning | JAN | Hinds, Rankin | 33 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
Little Rock, AR (KLZK), launched 12:00Z, 4.8 hours before the alert went out and 91 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
- 727 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 468 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 388 m²/s²
- 0-3 km storm-relative helicity
- 407 m²/s²
- Significant tornado parameter
- 2.0
- Supercell composite
- 8.2
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 17, 3:20 AM CST | Mesoscale Discussion | SPC | Hempstead, Howard, Little River, Logan, Montgomery, Pike and 5 more | 115 min |
| Feb 17, 7:30 AM CST | Mesoscale Discussion | SPC | Arkansas, Baxter, Bradley, Calhoun, Clark, Cleburne and 44 more | 2 hr |
| Feb 17, 10:05 AM CST | Mesoscale Discussion | SPC | Arkansas, Ashley, Chicot, Crittenden, Desha, Drew and 2 more | 2 hr |
| Feb 17, 1:46 PM CST | Tornado Watch | SPC | Alcorn, Clarke, Clay, Covington, Forrest, Itawamba and 18 more | 6 hr |
| Feb 17, 1:56 PM CST | Mesoscale Discussion | SPC | Clarke, Covington, Forrest, Jasper, Jefferson Davis, Jones and 18 more | 3 hr |
| Feb 17, 3:47 PM CST | Mesoscale Discussion | SPC | Jasper, Kemper, Lauderdale, Newton | 118 min |
| Feb 17, 1:11 PM CST | Mesoscale Discussion | SPC | Benton, Carroll, Cheatham, Chester, Crockett, Davidson and 29 more | 2 hr |
| Feb 17, 5:32 PM CST | Mesoscale Discussion | SPC | Bedford, Bledsoe, Cannon, Clay, Coffee, Cumberland and 13 more | 88 min |
Nearby
Tornado Watches in Mississippi, 2022Tornado Watches in Louisiana, 2022Tornado Watches in Arkansas, 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.