Alert archive / Arkansas / Mesoscale Discussions in 2017
Mesoscale Discussion 319
The Storm Prediction Center issued this mesoscale discussion at Mar 24, 2017, 3:25 PM CDT for 5 states. It was in force for 95 min.
The area
The outline as issued.
The facts
- Issued
- Mar 24, 2017, 3:25 PM CDT (20:25 UTC)
- Expired
- Mar 24, 2017, 5:00 PM CDT
- In force
- 95 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 40%
All 54 counties
Benton County, AR, Boone County, AR, Carroll County, AR, Clark County, AR, Columbia County, AR, Conway County, AR, Crawford County, AR, Dallas County, AR, Franklin County, AR, Garland County, AR, Hempstead County, AR, Hot Spring County, AR, Howard County, AR, Johnson County, AR, Lafayette County, AR, Little River County, AR, Logan County, AR, Madison County, AR, Marion County, AR, Miller County, AR, Montgomery County, AR, Nevada County, AR, Newton County, AR, Ouachita County, AR, Perry County, AR, Pike County, AR, Polk County, AR, Pope County, AR, Saline County, AR, Scott County, AR, Searcy County, AR, Sebastian County, AR, Sevier County, AR, Van Buren County, AR, Washington County, AR, Yell County, AR, Bossier Parish, LA, Barry County, MO, Christian County, MO, Greene County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Stone County, MO, Taney County, MO, Webster County, MO, Adair County, OK, LeFlore County, OK, McCurtain County, OK, Sequoyah County, OK, Bowie County, TX, Cass County, TX, Marion County, TX, Morris County, TX
The radar
The Western Arkansas radar (KSRX), 84 km from the middle of the area, began a volume at 20:27 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
Shreveport, LA (KBAD), launched 12:00Z, 8.4 hours before the alert went out and 261 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
- 10 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 854 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 234 m²/s²
- 0-3 km storm-relative helicity
- 407 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 |
|---|---|---|---|---|
| Mar 24, 1:48 PM CDT | Mesoscale Discussion | SPC | De Soto | 2 hr |
| Mar 23, 9:31 PM CDT | Mesoscale Discussion | SPC | Beaver, Cimarron, Ellis, Harmon, Roger Mills, Texas | 59 min |
| Mar 24, 2:00 PM CDT | Mesoscale Discussion | SPC | Craig, Nowata, Osage, Pawnee, Rogers, Washington | 2 hr |
| Mar 24, 6:03 PM CDT | Mesoscale Discussion | SPC | Anderson, Angelina, Brazos, Burleson, Cherokee, Grimes and 15 more | 57 min |
Nearby
Mesoscale Discussions in Arkansas, 2017Mesoscale Discussions in Missouri, 2017Mesoscale Discussions in Oklahoma, 2017Every mesoscale discussion in 2017
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.