Alert archive / Oklahoma / Mesoscale Discussions in 2016
Mesoscale Discussion 1425
The Storm Prediction Center issued this mesoscale discussion at Jul 28, 2016, 3:20 PM CDT for 4 counties in Kansas; 22 counties in Oklahoma. It was in force for 115 min.
The area
The outline as issued.
The facts
- Issued
- Jul 28, 2016, 3:20 PM CDT (20:20 UTC)
- Expired
- Jul 28, 2016, 5:15 PM CDT
- In force
- 115 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 5%
All 26 counties
Chautauqua County, KS, Cowley County, KS, Harper County, KS, Sumner County, KS, Blaine County, OK, Canadian County, OK, Cleveland County, OK, Creek County, OK, Garfield County, OK, Grant County, OK, Kay County, OK, Kingfisher County, OK, Lincoln County, OK, Logan County, OK, Noble County, OK, Nowata County, OK, Okfuskee County, OK, Oklahoma County, OK, Osage County, OK, Pawnee County, OK, Payne County, OK, Pottawatomie County, OK, Rogers County, OK, Seminole County, OK, Tulsa County, OK, Washington County, OK
The radar
The Vance AFB radar (KVNX), 89 km from the middle of the area, began a volume at 20:21 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, 8.3 hours before the alert went out and 158 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
- 1030 J/kg
- Mixed-layer CIN
- -83 J/kg
- Mixed-layer LCL
- 1107 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 138 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 |
|---|---|---|---|---|
| Jul 27, 11:01 PM CDT | Mesoscale Discussion | SPC | Cheyenne, Finney, Gove, Greeley, Hamilton, Kearny and 9 more | 119 min |
| Jul 28, 1:59 PM CDT | Mesoscale Discussion | SPC | Decatur, Ellis, Graham, Lincoln, Mitchell, Norton and 5 more | 2 hr |
| Jul 28, 3:46 PM CDT | Severe Thunderstorm Watch | SPC | Barton, Butler, Chase, Chautauqua, Clay, Cloud and 45 more | 6 hr |
| Jul 28, 6:14 PM CDT | Mesoscale Discussion | SPC | Barton, Butler, Chase, Clay, Cloud, Dickinson and 35 more | 2 hr |
| Jul 28, 3:58 PM CDT | Mesoscale Discussion | SPC | Cimarron, Texas | 2 hr |
Nearby
Mesoscale Discussions in Oklahoma, 2016Mesoscale Discussions in Kansas, 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.