Alert archive / Texas / Tornado Watches in 2022
Tornado Watch 116
The Storm Prediction Center issued this tornado watch at Apr 12, 2022, 7:29 PM CDT for 10 counties in Arkansas; 17 parishes in Louisiana; 24 counties in Texas. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 12, 2022, 7:29 PM CDT (00:29 UTC)
- Expired
- Apr 13, 2022, 2:00 AM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
All 51 counties
Bradley County, AR, Calhoun County, AR, Columbia County, AR, Hempstead County, AR, Lafayette County, AR, Little River County, AR, Miller County, AR, Nevada County, AR, Ouachita County, AR, Union County, AR, Bienville Parish, LA, Bossier Parish, LA, Caddo Parish, LA, Caldwell Parish, LA, Claiborne Parish, LA, De Soto Parish, LA, Grant Parish, LA, Jackson Parish, LA, LaSalle Parish, LA, Lincoln Parish, LA, Natchitoches Parish, LA, Ouachita Parish, LA, Red River Parish, LA, Sabine Parish, LA, Union Parish, LA, Webster Parish, LA, Winn Parish, LA, Angelina County, TX, Bowie County, TX, Camp County, TX, Cass County, TX, Cherokee County, TX, Franklin County, TX, Gregg County, TX, Harrison County, TX, Houston County, TX, Madison County, TX, Marion County, TX, Morris County, TX, Nacogdoches County, TX, Panola County, TX, Red River County, TX, Rusk County, TX, Sabine County, TX, San Augustine County, TX, Shelby County, TX, Smith County, TX, Titus County, TX, Trinity County, TX, Upshur County, TX, Wood County, TX
The radar
The Shreveport radar (KSHV), 62 km from the middle of the area, began a volume at 00:29 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
- 50%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 70%
- 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
- 10%
- Six or more combined severe hail and wind reports
- 90%
Warnings issued inside it
36 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 7:46 PM CDT | Severe Thunderstorm Warning | SHV | Cherokee, Gregg, Rusk, Smith, Upshur, Wood | 59 min |
| Apr 12, 7:58 PM CDT | Tornado Warning | SHV | Smith, Upshur, Wood | 27 min |
| Apr 12, 8:20 PM CDT | Severe Thunderstorm Warning | SHV | Angelina, Cherokee, Nacogdoches, Panola, Rusk | 55 min |
| Apr 12, 8:21 PM CDT | Severe Thunderstorm Warning | HGX | Houston | 39 min |
| Apr 12, 8:32 PM CDT | Severe Thunderstorm Warning | SHV | Camp, Cherokee, Gregg, Harrison, Panola, Rusk and 2 more | 39 min |
| Apr 12, 8:35 PM CDT | Tornado Warning | SHV | Cass, Gregg, Harrison, Marion, Morris, Upshur | 40 min |
| Apr 12, 8:46 PM CDT | Severe Thunderstorm Warning | SHV | Bowie, Camp, Cass, Gregg, Harrison, Marion and 5 more | 59 min |
| Apr 12, 8:48 PM CDT | Severe Thunderstorm Warning | SHV | Angelina, Cherokee, Gregg, Harrison, Nacogdoches, Panola and 2 more | 57 min |
| Apr 12, 9:02 PM CDT | Tornado Warning | SHV | Caddo, De Soto | 17 min |
| Apr 12, 9:11 PM CDT | Tornado Warning | HGX | Brazos, Madison | 34 min |
| Apr 12, 9:18 PM CDT | Severe Thunderstorm Warning | SHV | Columbia, Hempstead, Lafayette, Little River, Miller | 57 min |
| Apr 12, 9:25 PM CDT | Severe Thunderstorm Warning | SHV | Bossier, Caddo, De Soto, Red River, Sabine | 50 min |
| Apr 12, 9:43 PM CDT | Tornado Warning | HGX | Madison | 32 min |
| Apr 12, 9:48 PM CDT | Tornado Warning | SHV | Bienville, Bossier, Caddo, De Soto, Webster | 27 min |
| Apr 12, 9:52 PM CDT | Tornado Warning | SHV | Bossier, Caddo, Webster | 23 min |
| Apr 12, 9:57 PM CDT | Tornado Warning | SHV | Columbia, Lafayette | 18 min |
| Apr 12, 10:02 PM CDT | Severe Thunderstorm Warning | HGX | Brazos, Madison | 28 min |
| Apr 12, 10:03 PM CDT | Severe Thunderstorm Warning | SHV | Bienville, Bossier, Caddo, De Soto, Lincoln, Natchitoches and 2 more | 42 min |
| Apr 12, 10:08 PM CDT | Tornado Warning | SHV | Bienville, Bossier, Claiborne, Webster | 29 min |
| Apr 12, 10:09 PM CDT | Severe Thunderstorm Warning | HGX | Houston, Madison | 36 min |
| Apr 12, 10:12 PM CDT | Tornado Warning | SHV | Bienville, De Soto, Natchitoches, Red River | 33 min |
| Apr 12, 10:13 PM CDT | Severe Thunderstorm Warning | SHV | Columbia, Lafayette, Miller | 32 min |
| Apr 12, 10:15 PM CDT | Severe Thunderstorm Warning | HGX | Houston | 30 min |
| Apr 12, 10:19 PM CDT | Tornado Warning | SHV | Bienville, Bossier, Caddo, Natchitoches, Red River | 26 min |
| Apr 12, 10:21 PM CDT | Flash Flood Warning | SHV | Cherokee, Nacogdoches, Rusk, Shelby | 4 hr |
| Apr 12, 10:25 PM CDT | Tornado Warning | SHV | Hempstead, Nevada | 35 min |
| Apr 12, 10:37 PM CDT | Tornado Warning | SHV | Bienville, Jackson, Lincoln | 38 min |
| Apr 12, 10:39 PM CDT | Severe Thunderstorm Warning | SHV | Bienville, De Soto, Jackson, Lincoln, Natchitoches, Ouachita and 3 more | 51 min |
| Apr 12, 10:39 PM CDT | Severe Thunderstorm Warning | HGX | Houston, Trinity | 36 min |
| Apr 12, 10:43 PM CDT | Severe Thunderstorm Warning | SHV | Union | 47 min |
| Apr 12, 10:43 PM CDT | Severe Thunderstorm Warning | HGX | Houston | 47 min |
| Apr 12, 11:21 PM CDT | Tornado Warning | SHV | Jackson, Lincoln, Ouachita, Union | 39 min |
| Apr 12, 11:26 PM CDT | Severe Thunderstorm Warning | SHV | Caldwell, Jackson, Lincoln, Natchitoches, Ouachita, Union and 1 more | 64 min |
| Apr 12, 11:37 PM CDT | Flash Flood Warning | SHV | Bienville, De Soto, Natchitoches, Red River, Sabine, Winn | 3 hr |
| Apr 12, 11:58 PM CDT | Severe Thunderstorm Warning | SHV | De Soto, Natchitoches, Red River, Sabine | 62 min |
| Apr 13, 1:02 AM CDT | Flash Flood Warning | SHV | Caldwell, Grant, LaSalle, Natchitoches, Sabine, Winn | 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
Shreveport, LA (KSHV), launched 00:00Z, 0.5 hours before the alert went out and 72 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
- 1943 J/kg
- Mixed-layer CIN
- -42 J/kg
- Mixed-layer LCL
- 745 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 208 m²/s²
- 0-3 km storm-relative helicity
- 349 m²/s²
- Significant tornado parameter
- 3.4
- Supercell composite
- 16.2
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 9:39 PM CDT | Mesoscale Discussion | SPC | Calhoun, Columbia, Hempstead, Lafayette, Little River, Miller and 3 more | 96 min |
| Apr 12, 11:11 PM CDT | Mesoscale Discussion | SPC | Ashley, Chicot | 2 hr |
| Apr 12, 11:21 PM CDT | Tornado Watch | SPC | Ashley, Chicot | 4 hr |
| Apr 13, 7:05 AM CDT | Mesoscale Discussion | SPC | Calhoun, Clark, Cleveland, Columbia, Dallas, Garland and 19 more | 2 hr |
| Apr 13, 10:07 AM CDT | Mesoscale Discussion | SPC | Bradley, Calhoun, Clark, Cleveland, Columbia, Conway and 23 more | 83 min |
| Apr 13, 10:37 AM CDT | Tornado Watch | SPC | Bradley, Calhoun, Clark, Cleburne, Cleveland, Columbia and 36 more | 6 hr |
| Apr 13, 10:49 AM CDT | Mesoscale Discussion | SPC | Baxter, Fulton, Marion | 56 min |
| Apr 13, 12:32 PM CDT | Mesoscale Discussion | SPC | Clay, Craighead, Crittenden, Cross, Greene, Mississippi and 2 more | 118 min |
| Apr 13, 1:42 PM CDT | Tornado Watch | SPC | Arkansas, Clay, Craighead, Crittenden, Cross, Desha and 9 more | 7 hr |
| Apr 13, 2:42 PM CDT | Mesoscale Discussion | SPC | Clay, Craighead, Crittenden, Cross, Greene, Mississippi and 1 more | 63 min |
| Apr 13, 2:48 PM CDT | Tornado Watch | SPC | Ashley, Chicot, Union | 8 hr |
| Apr 13, 3:36 PM CDT | Mesoscale Discussion | SPC | Chicot | 84 min |
| Apr 13, 5:00 PM CDT | Mesoscale Discussion | SPC | Desha, Drew, Phillips | 90 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 12, 8:49 PM CDT | Mesoscale Discussion | SPC | Leon, Madison, Robertson, Walker | 86 min |
| Apr 13, 11:57 AM CDT | Mesoscale Discussion | SPC | Anderson, Camp, Delta, Ellis, Falls, Fannin and 19 more | 93 min |
| Apr 13, 12:38 PM CDT | Mesoscale Discussion | SPC | Anderson, Camp, Delta, Ellis, Falls, Fannin and 19 more | 97 min |
Nearby
Tornado Watches in Texas, 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.