Alert archive / Arkansas / Mesoscale Discussions in 2023
Mesoscale Discussion 232
The Storm Prediction Center issued this mesoscale discussion at Mar 2, 2023, 5:10 PM CST for 5 states. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 2, 2023, 5:10 PM CST (23:10 UTC)
- Expired
- Mar 2, 2023, 7:15 PM CST
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Concerning
- Tornado watch 55
All 51 counties
Arkansas County, AR, Ashley County, AR, Bradley County, AR, Calhoun County, AR, Chicot County, AR, Clark County, AR, Cleveland County, AR, Columbia County, AR, Dallas County, AR, Desha County, AR, Drew County, AR, Grant County, AR, Hempstead County, AR, Hot Spring County, AR, Howard County, AR, Jefferson County, AR, Lafayette County, AR, Lincoln County, AR, Little River County, AR, Miller County, AR, Nevada County, AR, Ouachita County, AR, Pike County, AR, Sevier County, AR, Union County, AR, Bossier Parish, LA, Caddo Parish, LA, Claiborne Parish, LA, Lincoln Parish, LA, Morehouse Parish, LA, Union Parish, LA, Webster Parish, LA, Bolivar County, MS, Washington County, MS, Choctaw County, OK, McCurtain County, OK, Bowie County, TX, Camp County, TX, Cass County, TX, Delta County, TX, Franklin County, TX, Gregg County, TX, Harrison County, TX, Hopkins County, TX, Lamar County, TX, Marion County, TX, Morris County, TX, Red River County, TX, Titus County, TX, Upshur County, TX, Wood County, TX
The radar
The Shreveport radar (KSHV), 107 km from the middle of the area, began a volume at 23:11 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
Shreveport, LA (KSHV), launched 12:00Z, 11.2 hours before the alert went out and 102 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
- 12 J/kg
- Mixed-layer CIN
- -100 J/kg
- Mixed-layer LCL
- 1420 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- -71 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 |
|---|---|---|---|---|
| Mar 1, 6:21 PM CST | Mesoscale Discussion | SPC | Arkansas, Bradley, Calhoun, Clark, Cleveland, Crittenden and 23 more | 114 min |
| Mar 1, 8:44 PM CST | Mesoscale Discussion | SPC | Desha, Lincoln | 61 min |
| Mar 2, 12:53 PM CST | Mesoscale Discussion | SPC | Baxter, Boone, Carroll, Fulton, Izard, Marion and 2 more | 67 min |
| Mar 2, 2:38 PM CST | Mesoscale Discussion | SPC | Little River, Polk, Sevier | 3 hr |
| Mar 2, 2:58 PM CST | Tornado Watch | SPC | Little River, Miller, Sevier | 9 hr |
| Mar 2, 5:42 PM CST | Tornado Watch | SPC | Arkansas, Ashley, Bradley, Calhoun, Chicot, Clark and 26 more | 6 hr |
| Mar 1, 9:38 PM CST | Mesoscale Discussion | SPC | Calhoun, Chickasaw, Itawamba, Lafayette, Lee, Monroe and 6 more | 37 min |
| Mar 2, 7:23 AM CST | Mesoscale Discussion | SPC | Coal, Haskell, Hughes, Latimer, McIntosh, Murray and 8 more | 3 hr |
| Mar 2, 12:48 PM CST | Severe Thunderstorm Watch | SPC | Carter, Coal, Cotton, Garvin, Jefferson, Johnston and 5 more | 6 hr |
| Mar 1, 10:21 PM CST | Mesoscale Discussion | SPC | Atascosa, Bastrop, Bexar, Caldwell, Comal, DeWitt and 10 more | 114 min |
| Mar 2, 4:11 AM CST | Mesoscale Discussion | SPC | Bandera, Bastrop, Bexar, Blanco, Brazos, Burleson and 19 more | 3 hr |
| Mar 2, 10:55 AM CST | Mesoscale Discussion | SPC | Callahan, Coleman, Cooke, Denton, Eastland, Erath and 11 more | 3 hr |
| Mar 2, 1:01 PM CST | Mesoscale Discussion | SPC | Brown, Callahan, Coke, Coleman, Concho, Eastland and 16 more | 2 hr |
| Mar 2, 1:30 PM CST | Severe Thunderstorm Watch | SPC | Brown, Callahan, Coke, Coleman, Concho, Fisher and 17 more | 6 hr |
| Mar 2, 3:29 PM CST | Mesoscale Discussion | SPC | Callahan, Coleman, Cooke, Jack, Montague, Shackelford and 4 more | 2 hr |
| Mar 2, 4:51 PM CST | Mesoscale Discussion | SPC | Atascosa, Bandera, Bexar, Blanco, Burnet, Caldwell and 15 more | 54 min |
| Mar 2, 5:08 PM CST | Severe Thunderstorm Watch | SPC | Bandera, Bastrop, Bexar, Blanco, Burnet, Caldwell and 16 more | 5 hr |
| Mar 2, 5:43 PM CST | Mesoscale Discussion | SPC | Bosque, Collin, Comanche, Cooke, Coryell, Dallas and 18 more | 2 hr |
Nearby
Mesoscale Discussions in Arkansas, 2023Mesoscale Discussions in Texas, 2023Mesoscale Discussions in Louisiana, 2023Every mesoscale discussion 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.