Alert archive / Texas / Tornado Watches in 2023
Tornado Watch 95
The Storm Prediction Center issued this tornado watch at Mar 31, 2023, 1:36 PM CDT for 10 parishes in Louisiana; 36 counties in Texas. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 31, 2023, 1:36 PM CDT (18:36 UTC)
- Expired
- Mar 31, 2023, 9:00 PM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 46 counties
Bienville Parish, LA, Bossier Parish, LA, Caddo Parish, LA, Claiborne Parish, LA, De Soto Parish, LA, Lincoln Parish, LA, Red River Parish, LA, Sabine Parish, LA, Union Parish, LA, Webster Parish, LA, Anderson County, TX, Angelina County, TX, Camp County, TX, Cherokee County, TX, Delta County, TX, Falls County, TX, Franklin County, TX, Freestone County, TX, Gregg County, TX, Harrison County, TX, Henderson County, TX, Hopkins County, TX, Houston County, TX, Hunt County, TX, Kaufman County, TX, Lamar County, TX, Leon County, TX, Limestone County, TX, Marion County, TX, Morris County, TX, Nacogdoches County, TX, Navarro County, TX, Panola County, TX, Rains County, TX, Red River County, TX, Robertson 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, Van Zandt County, TX, Wood County, TX
The radar
The Shreveport radar (KSHV), 134 km from the middle of the area, began a volume at 18:35 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
- 50%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 70%
- One or more hailstones of 2 inches or more
- 60%
- Six or more combined severe hail and wind reports
- 95%
Warnings issued inside it
21 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 31, 1:55 PM CDT | Severe Thunderstorm Warning | FWD | Ellis, Henderson, Kaufman, Navarro | 37 min |
| Mar 31, 2:00 PM CDT | Severe Thunderstorm Warning | FWD | Lamar | 30 min |
| Mar 31, 2:08 PM CDT | Severe Thunderstorm Warning | SHV | Red River | 52 min |
| Mar 31, 3:15 PM CDT | Severe Thunderstorm Warning | SHV | Bowie, Franklin, Morris, Red River, Titus | 45 min |
| Mar 31, 3:17 PM CDT | Severe Thunderstorm Warning | FWD | Anderson, Freestone, Henderson, Navarro | 28 min |
| Mar 31, 3:30 PM CDT | Severe Thunderstorm Warning | FWD | Freestone, Limestone, Navarro | 30 min |
| Mar 31, 3:44 PM CDT | Severe Thunderstorm Warning | FWD | Anderson, Henderson | 46 min |
| Mar 31, 3:46 PM CDT | Severe Thunderstorm Warning | SHV | Franklin, Morris, Titus | 29 min |
| Mar 31, 3:55 PM CDT | Tornado Warning | SHV | Smith | 19 min |
| Mar 31, 4:00 PM CDT | Severe Thunderstorm Warning | FWD | Anderson, Freestone, Limestone | 45 min |
| Mar 31, 4:12 PM CDT | Severe Thunderstorm Warning | SHV | Cherokee, Gregg, Rusk, Smith | 48 min |
| Mar 31, 4:45 PM CDT | Severe Thunderstorm Warning | FWD | Anderson, Freestone | 39 min |
| Mar 31, 4:49 PM CDT | Severe Thunderstorm Warning | SHV | Gregg, Harrison, Panola, Rusk | 41 min |
| Mar 31, 5:12 PM CDT | Severe Thunderstorm Warning | SHV | Cherokee, Nacogdoches, Rusk | 48 min |
| Mar 31, 6:00 PM CDT | Severe Thunderstorm Warning | SHV | Panola, Rusk, Shelby | 45 min |
| Mar 31, 6:42 PM CDT | Severe Thunderstorm Warning | SHV | De Soto | 48 min |
| Mar 31, 7:01 PM CDT | Severe Thunderstorm Warning | HGX | Houston, Trinity | 44 min |
| Mar 31, 7:28 PM CDT | Severe Thunderstorm Warning | SHV | De Soto, Red River, Sabine | 47 min |
| Mar 31, 7:48 PM CDT | Severe Thunderstorm Warning | SHV | Angelina, Nacogdoches | 42 min |
| Mar 31, 8:13 PM CDT | Severe Thunderstorm Warning | SHV | De Soto, Natchitoches, Red River | 34 min |
| Mar 31, 8:32 PM CDT | Severe Thunderstorm Warning | HGX | Polk, Trinity | 29 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
Shreveport, LA (KSHV), launched 12:00Z, 6.6 hours before the alert went out and 143 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
- 351 J/kg
- Mixed-layer CIN
- -294 J/kg
- Mixed-layer LCL
- 732 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 280 m²/s²
- 0-3 km storm-relative helicity
- 459 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 31, 10:44 AM CDT | Mesoscale Discussion | SPC | Arkansas, Clark, Cleburne, Cleveland, Conway, Craighead and 49 more | 2 hr |
| Mar 31, 10:47 AM CDT | Mesoscale Discussion | SPC | Arkansas, Crittenden, Cross, Jefferson, Lee, Lincoln and 5 more | 58 min |
| Mar 31, 12:28 PM CDT | Tornado Watch | SPC | Arkansas, Baxter, Boone, Bradley, Calhoun, Clark and 60 more | 11 hr |
| Mar 31, 1:42 PM CDT | Mesoscale Discussion | SPC | Clark, Conway, Faulkner, Garland, Grant, Hot Spring and 7 more | 93 min |
| Mar 31, 2:36 PM CDT | Mesoscale Discussion | SPC | Lonoke, Prairie, Pulaski, White, Woodruff | 24 min |
| Mar 31, 3:42 PM CDT | Mesoscale Discussion | SPC | Arkansas, Clark, Clay, Cleburne, Cleveland, Conway and 47 more | 93 min |
| Mar 31, 4:53 PM CDT | Mesoscale Discussion | SPC | Columbia, Hempstead, Lafayette, Little River, Miller, Nevada | 2 hr |
| Mar 31, 6:34 PM CDT | Mesoscale Discussion | SPC | Arkansas, Crittenden, Cross, Lee, Monroe, Phillips and 3 more | 56 min |
| Mar 31, 6:59 PM CDT | Mesoscale Discussion | SPC | Arkansas, Crittenden, Cross, Lee, Monroe, Phillips and 3 more | 61 min |
| Mar 31, 1:16 PM CDT | Mesoscale Discussion | SPC | Bell, Coryell, Delta, Ellis, Falls, Fannin and 17 more | 89 min |
Nearby
Tornado Watches in Texas, 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.