Alert archive / Texas / Tornado Watches in 2020
Tornado Watch 146
The Storm Prediction Center issued this tornado watch at Apr 24, 2020, 4:49 PM CDT for 4 states. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 24, 2020, 4:49 PM CDT (21:49 UTC)
- Expired
- Apr 24, 2020, 11:52 PM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 3 in
- Strongest gust expected
- 65 kt
All 52 counties
Clark County, AR, Columbia County, AR, Garland County, AR, Hempstead County, AR, Hot Spring County, AR, Howard County, AR, Lafayette County, AR, Little River County, AR, Miller County, AR, Montgomery County, AR, Nevada County, AR, Pike County, AR, Polk County, AR, Scott County, AR, Sevier County, AR, Bossier Parish, LA, Caddo Parish, LA, De Soto Parish, LA, Webster Parish, LA, Choctaw County, OK, McCurtain County, OK, Pushmataha County, OK, Anderson County, TX, Bowie County, TX, Camp County, TX, Cass County, TX, Cherokee County, TX, Delta County, TX, Franklin County, TX, Freestone County, TX, Gregg County, TX, Harrison County, TX, Henderson County, TX, Hopkins County, TX, Hunt County, TX, Kaufman County, TX, Lamar 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, Rusk County, TX, Shelby County, TX, Smith County, TX, Titus County, TX, Upshur County, TX, Van Zandt County, TX, Wood County, TX
The radar
The Shreveport radar (KSHV), 141 km from the middle of the area, began a volume at 21:50 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
- 60%
- One or more EF2 to EF5 tornadoes
- 30%
- Ten or more severe wind reports
- 70%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 80%
- One or more hailstones of 2 inches or more
- 70%
- Six or more combined severe hail and wind reports
- 95%
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 24, 6:38 PM CDT | Severe Thunderstorm Warning | SHV | Gregg, Harrison, Marion, Upshur | 52 min |
| Apr 24, 6:45 PM CDT | Severe Thunderstorm Warning | FWD | Lamar | 60 min |
| Apr 24, 6:54 PM CDT | Tornado Warning | FWD | Lamar | 51 min |
| Apr 24, 6:55 PM CDT | Tornado Warning | FWD | Fannin, Lamar | 50 min |
| Apr 24, 6:58 PM CDT | Severe Thunderstorm Warning | TSA | Pushmataha | 62 min |
| Apr 24, 7:08 PM CDT | Severe Thunderstorm Warning | SHV | Red River | 67 min |
| Apr 24, 7:09 PM CDT | Severe Thunderstorm Warning | TSA | Choctaw | 24 min |
| Apr 24, 7:30 PM CDT | Severe Thunderstorm Warning | TSA | Haskell, Latimer, LeFlore, Muskogee, Pittsburg, Pushmataha | 60 min |
| Apr 24, 7:35 PM CDT | Tornado Warning | FWD | Lamar | 29 min |
| Apr 24, 7:38 PM CDT | Tornado Warning | FWD | Lamar | 37 min |
| Apr 24, 7:40 PM CDT | Tornado Warning | SHV | Franklin, Red River, Titus | 52 min |
| Apr 24, 8:02 PM CDT | Severe Thunderstorm Warning | SHV | Caddo | 43 min |
| Apr 24, 8:03 PM CDT | Severe Thunderstorm Warning | SHV | Bossier, Caddo | 42 min |
| Apr 24, 8:07 PM CDT | Severe Thunderstorm Warning | SHV | Gregg, Harrison, Panola, Rusk | 38 min |
| Apr 24, 8:08 PM CDT | Severe Thunderstorm Warning | TSA | Haskell, Latimer, LeFlore, Pushmataha | 67 min |
| Apr 24, 8:10 PM CDT | Severe Thunderstorm Warning | SHV | Lafayette, Miller | 23 min |
| Apr 24, 8:15 PM CDT | Tornado Warning | SHV | Bowie, Cass, Morris, Red River, Titus | 45 min |
| Apr 24, 8:34 PM CDT | Severe Thunderstorm Warning | SHV | Columbia, Lafayette, Miller | 41 min |
| Apr 24, 8:37 PM CDT | Severe Thunderstorm Warning | SHV | Columbia, Union | 53 min |
| Apr 24, 8:40 PM CDT | Severe Thunderstorm Warning | SHV | Caddo, De Soto | 50 min |
| Apr 24, 8:42 PM CDT | Severe Thunderstorm Warning | SHV | Bossier, Caddo, De Soto | 48 min |
| Apr 24, 8:43 PM CDT | Severe Thunderstorm Warning | SHV | Bienville, Bossier, Caddo, Webster | 47 min |
| Apr 24, 8:44 PM CDT | Tornado Warning | SHV | Cass, Marion | 44 min |
| Apr 24, 8:47 PM CDT | Severe Thunderstorm Warning | SHV | Columbia, Hempstead, Lafayette, Miller, Nevada | 43 min |
| Apr 24, 9:05 PM CDT | Severe Thunderstorm Warning | LZK | Garland, Montgomery, Pike, Polk, Yell | 40 min |
| Apr 24, 9:13 PM CDT | Severe Thunderstorm Warning | SHV | Bossier, Caddo | 62 min |
| Apr 24, 9:17 PM CDT | Severe Thunderstorm Warning | SHV | Bienville, Bossier, Caddo, De Soto, Natchitoches, Red River and 1 more | 43 min |
| Apr 24, 9:23 PM CDT | Severe Thunderstorm Warning | LZK | Logan, Montgomery, Polk, Scott, Yell | 38 min |
| Apr 24, 9:24 PM CDT | Severe Thunderstorm Warning | SHV | Bienville, Bossier, Claiborne, Lincoln, Red River, Webster | 51 min |
| Apr 24, 9:41 PM CDT | Severe Thunderstorm Warning | SHV | Bossier, Caddo | 25 min |
| Apr 24, 9:43 PM CDT | Severe Thunderstorm Warning | LZK | Garland, Montgomery, Perry, Yell | 47 min |
| Apr 24, 9:47 PM CDT | Severe Thunderstorm Warning | LZK | Logan, Perry, Pope, Scott, Yell | 43 min |
| Apr 24, 9:53 PM CDT | Severe Thunderstorm Warning | SHV | Bienville, De Soto, Grant, Jackson, Natchitoches, Red River and 2 more | 52 min |
| Apr 24, 9:57 PM CDT | Severe Thunderstorm Warning | SHV | Bienville, Claiborne, Lincoln, Webster | 63 min |
| Apr 24, 10:11 PM CDT | Severe Thunderstorm Warning | SHV | Bossier, Caddo, De Soto | 25 min |
| Apr 24, 10:19 PM CDT | Severe Thunderstorm Warning | LZK | Garland, Perry, Pulaski, Saline, Yell | 41 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, 9.8 hours before the alert went out and 142 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1740 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- -16 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 24, 3:20 PM CDT | Mesoscale Discussion | SPC | Little River, Polk, Sevier | 115 min |
| Apr 24, 3:44 PM CDT | Severe Thunderstorm Watch | SPC | Benton, Carroll, Crawford, Franklin, Madison, Sebastian and 1 more | 6 hr |
| Apr 24, 6:40 PM CDT | Mesoscale Discussion | SPC | Benton, Carroll, Conway, Crawford, Franklin, Johnson and 9 more | 2 hr |
| Apr 24, 1:07 PM CDT | Mesoscale Discussion | SPC | Cherokee, Craig, Creek, Delaware, Kay, Mayes and 9 more | 113 min |
Nearby
Tornado Watches in Texas, 2020Tornado Watches in Arkansas, 2020Tornado Watches in Louisiana, 2020Every tornado watch in 2020
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.