Alert archive / Oklahoma / Mesoscale Discussions in 2015
Mesoscale Discussion 1292
The Storm Prediction Center issued this mesoscale discussion at Jul 3, 2015, 5:04 PM CDT for 4 counties in Arkansas; 29 counties in Oklahoma; 5 counties in Texas. It was in force for 116 min.
The area
The outline as issued.
The facts
- Issued
- Jul 3, 2015, 5:04 PM CDT (22:04 UTC)
- Expired
- Jul 3, 2015, 7:00 PM CDT
- In force
- 116 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 38 counties
Crawford County, AR, Madison County, AR, Sebastian County, AR, Washington County, AR, Adair County, OK, Beckham County, OK, Caddo County, OK, Canadian County, OK, Cherokee County, OK, Cleveland County, OK, Coal County, OK, Comanche County, OK, Custer County, OK, Garvin County, OK, Grady County, OK, Greer County, OK, Haskell County, OK, Hughes County, OK, Kiowa County, OK, Latimer County, OK, McClain County, OK, McIntosh County, OK, Murray County, OK, Muskogee County, OK, Okfuskee County, OK, Pittsburg County, OK, Pontotoc County, OK, Pottawatomie County, OK, Roger Mills County, OK, Seminole County, OK, Sequoyah County, OK, Stephens County, OK, Washita County, OK, Hansford County, TX, Hemphill County, TX, Hutchinson County, TX, Roberts County, TX, Wheeler County, TX
The radar
The Norman radar (KTLX), 29 km from the middle of the area, began a volume at 22:08 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 12:00Z, 10.1 hours before the alert went out and 41 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
- 112 J/kg
- Mixed-layer CIN
- -174 J/kg
- Mixed-layer LCL
- 954 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 111 m²/s²
- 0-3 km storm-relative helicity
- 126 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 |
|---|---|---|---|---|
| Jul 3, 2:58 PM CDT | Mesoscale Discussion | SPC | Ashley, Bradley, Calhoun, Chicot, Cleveland, Columbia and 7 more | 3 hr |
| Jul 3, 1:59 PM CDT | Mesoscale Discussion | SPC | Beaver, Cimarron, Texas | 3 hr |
Nearby
Mesoscale Discussions in Oklahoma, 2015Mesoscale Discussions in Texas, 2015Mesoscale Discussions in Arkansas, 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.