Alert archive / Arkansas / Mesoscale Discussions in 2016
Mesoscale Discussion 203
The Storm Prediction Center issued this mesoscale discussion at Mar 13, 2016, 3:19 PM CDT for 37 counties in Arkansas; 10 counties in Oklahoma. It was in force for 86 min.
The area
The outline as issued.
The facts
- Issued
- Mar 13, 2016, 3:19 PM CDT (20:19 UTC)
- Expired
- Mar 13, 2016, 4:45 PM CDT
- In force
- 86 min
- Issued by
- the Storm Prediction Center
All 47 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, Faulkner County, AR, Garland 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, Lonoke County, AR, Miller County, AR, Monroe County, AR, Montgomery County, AR, Nevada County, AR, Ouachita County, AR, Perry County, AR, Pike County, AR, Polk County, AR, Prairie County, AR, Pulaski County, AR, Saline County, AR, Scott County, AR, Sevier County, AR, Union County, AR, Yell County, AR, Coal County, OK, Haskell County, OK, Hughes County, OK, Latimer County, OK, LeFlore County, OK, McIntosh County, OK, Okfuskee County, OK, Okmulgee County, OK, Pittsburg County, OK, Seminole County, OK
The radar
The Western Arkansas radar (KSRX), 71 km from the middle of the area, began a volume at 20:18 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 (KBAD), launched 12:00Z, 8.3 hours before the alert went out and 249 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
- 781 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 141 m²/s²
- 0-3 km storm-relative helicity
- 157 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 13, 12:35 PM CDT | Mesoscale Discussion | SPC | Howard, Pike, Polk, Scott, Sevier | 55 min |
| Mar 13, 12:57 PM CDT | Tornado Watch | SPC | Crawford, Franklin, Sebastian | 6 hr |
| Mar 13, 1:01 PM CDT | Mesoscale Discussion | SPC | Arkansas, Ashley, Bradley, Calhoun, Chicot, Clark and 17 more | 89 min |
| Mar 13, 2:10 PM CDT | Tornado Watch | SPC | Arkansas, Ashley, Bradley, Calhoun, Chicot, Clark and 37 more | 5 hr |
| Mar 13, 5:35 PM CDT | Mesoscale Discussion | SPC | Crawford, Franklin, Sebastian, Washington | 85 min |
| Mar 13, 5:58 PM CDT | Mesoscale Discussion | SPC | Arkansas, Ashley, Bradley, Calhoun, Chicot, Clark and 38 more | 92 min |
| Mar 13, 6:41 PM CDT | Mesoscale Discussion | SPC | Arkansas, Ashley, Bradley, Calhoun, Chicot, Clark and 40 more | 94 min |
Nearby
Mesoscale Discussions in Arkansas, 2016Mesoscale Discussions in Oklahoma, 2016Every mesoscale discussion in 2016
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.