Alert archive / Texas / Mesoscale Discussions in 2024
Mesoscale Discussion 331
The Storm Prediction Center issued this mesoscale discussion at Apr 1, 2024, 8:01 PM CDT for Little River County, Polk County, Sevier County, Arkansas; 6 counties in Oklahoma; 26 counties in Texas. It was in force for 89 min.
The area
The outline as issued.
The facts
- Issued
- Apr 1, 2024, 8:01 PM CDT (01:01 UTC)
- Expired
- Apr 1, 2024, 9:30 PM CDT
- In force
- 89 min
- Issued by
- the Storm Prediction Center
- Concerning
- Severe potential...watch likely
- Chance of a watch
- 80%
All 35 counties
Little River County, AR, Polk County, AR, Sevier County, AR, Choctaw County, OK, Haskell County, OK, Latimer County, OK, LeFlore County, OK, McCurtain County, OK, Pushmataha County, OK, Bowie County, TX, Camp County, TX, Cass County, TX, Delta County, TX, Ellis County, TX, Fannin County, TX, Franklin County, TX, Freestone County, TX, Henderson County, TX, Hill County, TX, Hopkins County, TX, Hunt County, TX, Kaufman County, TX, Lamar County, TX, Limestone County, TX, McLennan County, TX, Morris County, TX, Navarro County, TX, Rains County, TX, Red River County, TX, Rockwall County, TX, Smith County, TX, Titus County, TX, Upshur County, TX, Van Zandt County, TX, Wood County, TX
The radar
The Shreveport radar (KSHV), 181 km from the middle of the area, began a volume at 01:05 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.
The watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Fort Worth, TX (KFWD), launched 00:00Z, 1.0 hours before the alert went out and 193 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
- 2058 J/kg
- Mixed-layer CIN
- -64 J/kg
- Mixed-layer LCL
- 783 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 99 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 3.0
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 1, 8:02 PM CDT | Mesoscale Discussion | SPC | Benton, Carroll, Madison, Washington | 88 min |
| Apr 1, 8:37 PM CDT | Severe Thunderstorm Watch | SPC | Benton, Carroll, Crawford, Franklin, Madison, Sebastian and 1 more | 6 hr |
| Apr 1, 10:45 PM CDT | Mesoscale Discussion | SPC | Crawford, Franklin, Madison, Polk, Scott, Sebastian and 1 more | 90 min |
| Apr 2, 12:32 AM CDT | Mesoscale Discussion | SPC | Benton, Boone, Carroll, Crawford, Franklin, Hempstead and 16 more | 88 min |
| Apr 1, 8:20 PM CDT | Mesoscale Discussion | SPC | Atoka, Bryan, Carter, Cleveland, Coal, Comanche and 33 more | 85 min |
| Apr 1, 8:44 PM CDT | Mesoscale Discussion | SPC | Atascosa, Austin, Bandera, Bastrop, Bell, Bexar and 36 more | 91 min |
Nearby
Mesoscale Discussions in Texas, 2024Mesoscale Discussions in Oklahoma, 2024Mesoscale Discussions in Arkansas, 2024Every mesoscale discussion in 2024
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.