Alert archive / Oklahoma / Mesoscale Discussions in 2015
Mesoscale Discussion 786
The Storm Prediction Center issued this mesoscale discussion at May 26, 2015, 3:22 PM CDT for 4 counties in Kansas; 16 counties in Oklahoma. It was in force for 53 min.
The area
The outline as issued.
The facts
- Issued
- May 26, 2015, 3:22 PM CDT (20:22 UTC)
- Expired
- May 26, 2015, 4:15 PM CDT
- In force
- 53 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
Counties Chautauqua County, KS, Cowley County, KS, Labette County, KS, Montgomery County, KS, Craig County, OK, Creek County, OK, Delaware County, OK, Kay County, OK, Lincoln County, OK, Mayes County, OK, Noble County, OK, Nowata County, OK, Okmulgee County, OK, Osage County, OK, Pawnee County, OK, Payne County, OK, Rogers County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK
The radar
The Tulsa radar (KINX), 80 km from the middle of the area, began a volume at 20:22 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
Norman, OK (KOUN), launched 12:00Z, 8.4 hours before the alert went out and 174 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
- 1086 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 116 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 |
|---|---|---|---|---|
| May 25, 8:18 PM CDT | Mesoscale Discussion | SPC | Atchison, Brown, Clay, Dickinson, Doniphan, Geary and 7 more | 87 min |
| May 26, 6:33 PM CDT | Mesoscale Discussion | SPC | Allen, Barber, Butler, Cowley, Elk, Greenwood and 8 more | 87 min |
| May 26, 1:35 PM CDT | Mesoscale Discussion | SPC | Caddo, Carter, Comanche, Cotton, Grady, Greer and 6 more | 85 min |
| May 26, 2:53 PM CDT | Tornado Watch | SPC | Cotton, Jackson, Jefferson, Tillman | 7 hr |
| May 26, 5:27 PM CDT | Severe Thunderstorm Watch | SPC | Alfalfa, Blaine, Caddo, Canadian, Carter, Cleveland and 22 more | 7 hr |
| May 26, 5:42 PM CDT | Mesoscale Discussion | SPC | Cotton, Jefferson, Tillman | 93 min |
Nearby
Mesoscale Discussions in Oklahoma, 2015Mesoscale Discussions in Kansas, 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.