Alert archive / Arkansas / Mesoscale Discussions in 2024
Mesoscale Discussion 337
The Storm Prediction Center issued this mesoscale discussion at Apr 2, 2024, 12:32 AM CDT for 22 counties in Arkansas; 11 counties in Oklahoma; 13 counties in Texas. It was in force for 88 min.
The area
The outline as issued.
The facts
- Issued
- Apr 2, 2024, 12:32 AM CDT (05:32 UTC)
- Expired
- Apr 2, 2024, 2:00 AM CDT
- In force
- 88 min
- Issued by
- the Storm Prediction Center
- Concerning
- Severe thunderstorm watch 70
All 46 counties
Benton County, AR, Boone County, AR, Carroll County, AR, Crawford County, AR, Franklin County, AR, Hempstead County, AR, Howard County, AR, Johnson County, AR, Little River County, AR, Logan County, AR, Madison County, AR, Miller County, AR, Montgomery County, AR, Newton County, AR, Pike County, AR, Polk County, AR, Pope County, AR, Scott County, AR, Sebastian County, AR, Sevier County, AR, Washington County, AR, Yell County, AR, Adair County, OK, Atoka County, OK, Bryan County, OK, Choctaw County, OK, Haskell County, OK, Latimer County, OK, LeFlore County, OK, McCurtain County, OK, Pittsburg County, OK, Pushmataha County, OK, Sequoyah County, OK, Bowie County, TX, Camp County, TX, Cass County, TX, Delta County, TX, Fannin County, TX, Franklin County, TX, Hopkins County, TX, Hunt County, TX, Lamar County, TX, Morris County, TX, Rains County, TX, Red River County, TX, Titus County, TX
The radar
The Western Arkansas radar (KSRX), 88 km from the middle of the area, began a volume at 05:33 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 nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 5.5 hours before the alert went out and 262 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
- 1105 J/kg
- Mixed-layer CIN
- -67 J/kg
- Mixed-layer LCL
- 1087 m above ground
- 0-6 km bulk shear
- 78 kt
- 0-1 km storm-relative helicity
- 343 m²/s²
- 0-3 km storm-relative helicity
- 455 m²/s²
- Significant tornado parameter
- 2.0
- Supercell composite
- 14.1
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, 8:01 PM CDT | Mesoscale Discussion | SPC | Little River, Polk, Sevier | 89 min |
| 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 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 Arkansas, 2024Mesoscale Discussions in Texas, 2024Mesoscale Discussions in Oklahoma, 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.