Alert archive / Arkansas / Mesoscale Discussions in 2015
Mesoscale Discussion 1202
The Storm Prediction Center issued this mesoscale discussion at Jun 26, 2015, 6:28 PM CDT for 32 counties in Arkansas; 7 counties in Oklahoma. It was in force for 92 min.
The area
The outline as issued.
The facts
- Issued
- Jun 26, 2015, 6:28 PM CDT (23:28 UTC)
- Expired
- Jun 26, 2015, 8:00 PM CDT
- In force
- 92 min
- Issued by
- the Storm Prediction Center
All 39 counties
Arkansas County, AR, Clark County, AR, Cleveland County, AR, Conway County, AR, Cross County, AR, Dallas County, AR, Faulkner County, AR, Garland County, AR, Grant County, AR, Hot Spring County, AR, Howard County, AR, Jefferson County, AR, Lee County, AR, Lincoln County, AR, Logan County, AR, Lonoke County, AR, Monroe County, AR, Montgomery County, AR, Perry County, AR, Phillips County, AR, Pike County, AR, Polk County, AR, Prairie County, AR, Pulaski County, AR, Saline County, AR, Scott County, AR, Sebastian County, AR, Sevier County, AR, St. Francis County, AR, White County, AR, Woodruff County, AR, Yell County, AR, Choctaw County, OK, Haskell County, OK, Latimer County, OK, LeFlore County, OK, McCurtain County, OK, Pittsburg County, OK, Pushmataha County, OK
The radar
The Western Arkansas radar (KSRX), 106 km from the middle of the area, began a volume at 23:27 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
Springfield, MO (KSGF), launched 12:00Z, 11.5 hours before the alert went out and 273 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
- 43 J/kg
- Mixed-layer CIN
- -214 J/kg
- Mixed-layer LCL
- 974 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- -73 m²/s²
- 0-3 km storm-relative helicity
- 54 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.8
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 11:50 AM CDT | Mesoscale Discussion | SPC | Baxter, Boone, Clay, Craighead, Fulton, Greene and 8 more | 115 min |
| Jun 26, 12:18 PM CDT | Severe Thunderstorm Watch | SPC | Baxter, Boone, Clay, Cleburne, Craighead, Crittenden and 15 more | 7 hr |
| Jun 26, 2:35 PM CDT | Mesoscale Discussion | SPC | Benton, Crawford, Franklin, Madison, Sebastian, Washington | 85 min |
| Jun 26, 3:16 PM CDT | Mesoscale Discussion | SPC | Clay, Cleburne, Conway, Craighead, Crittenden, Cross and 33 more | 89 min |
| Jun 26, 3:31 PM CDT | Severe Thunderstorm Watch | SPC | Arkansas, Clark, Cleveland, Conway, Crawford, Cross and 33 more | 5 hr |
| Jun 25, 7:04 PM CDT | Mesoscale Discussion | SPC | Cimarron, Texas | 86 min |
| Jun 26, 5:24 AM CDT | Mesoscale Discussion | SPC | Alfalfa, Beckham, Blaine, Caddo, Canadian, Custer and 19 more | 96 min |
Nearby
Mesoscale Discussions in Arkansas, 2015Mesoscale Discussions in Oklahoma, 2015Every mesoscale discussion in 2015
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.