Alert archive / Oklahoma / Mesoscale Discussions in 2018
Mesoscale Discussion 873
The Storm Prediction Center issued this mesoscale discussion at Jun 25, 2018, 3:34 AM CDT for 4 states. It was in force for 86 min.
The area
The outline as issued.
The facts
- Issued
- Jun 25, 2018, 3:34 AM CDT (08:34 UTC)
- Expired
- Jun 25, 2018, 5:00 AM CDT
- In force
- 86 min
- Issued by
- the Storm Prediction Center
All 49 counties
Chautauqua County, KS, Cherokee County, KS, Elk County, KS, Labette County, KS, Montgomery County, KS, Wilson County, KS, Jasper County, MO, McDonald County, MO, Newton County, MO, Carter County, OK, Cherokee County, OK, Cleveland County, OK, Coal County, OK, Comanche County, OK, Cotton County, OK, Craig County, OK, Creek County, OK, Delaware County, OK, Garvin County, OK, Grady County, OK, Hughes County, OK, Jefferson County, OK, Johnston County, OK, Lincoln County, OK, Mayes County, OK, McClain County, OK, McIntosh County, OK, Murray County, OK, Muskogee County, OK, Nowata County, OK, Okfuskee County, OK, Oklahoma County, OK, Okmulgee County, OK, Osage County, OK, Ottawa County, OK, Pawnee County, OK, Payne County, OK, Pittsburg County, OK, Pontotoc County, OK, Pottawatomie County, OK, Rogers County, OK, Seminole County, OK, Stephens County, OK, Tillman County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK, Wichita County, TX, Wilbarger County, TX
The radar
The Norman radar (KTLX), 21 km from the middle of the area, began a volume at 08:35 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 00:00Z, 8.6 hours before the alert went out and 32 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
- 218 J/kg
- Mixed-layer CIN
- -476 J/kg
- Mixed-layer LCL
- 2275 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 192 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
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 |
|---|---|---|---|---|
| Jun 24, 7:06 PM CDT | Mesoscale Discussion | SPC | Clark, Finney, Ford, Grant, Gray, Haskell and 8 more | 84 min |
| Jun 24, 7:51 PM CDT | Mesoscale Discussion | SPC | Ellis, Jewell, Osborne, Phillips, Rooks, Smith | 84 min |
| Jun 24, 8:50 PM CDT | Severe Thunderstorm Watch | SPC | Clark, Ford, Hodgeman, Meade | 7 hr |
| Jun 24, 9:49 PM CDT | Mesoscale Discussion | SPC | Barber, Clark, Comanche, Kiowa, Pratt | 86 min |
| Jun 24, 10:08 PM CDT | Severe Thunderstorm Watch | SPC | Barber, Comanche, Kiowa, Pratt | 6 hr |
| Jun 24, 11:53 PM CDT | Mesoscale Discussion | SPC | Barber, Harper, Kingman, Sedgwick, Sumner | 67 min |
| Jun 25, 12:31 AM CDT | Severe Thunderstorm Watch | SPC | Chautauqua, Cowley, Elk, Harper, Montgomery, Sumner | 5 hr |
| Jun 25, 3:23 PM CDT | Mesoscale Discussion | SPC | Audrain, Boone, Callaway, Cape Girardeau, Cole, Cooper and 27 more | 97 min |
| Jun 25, 5:14 PM CDT | Mesoscale Discussion | SPC | Atchison, Harrison, Mercer, Nodaway, Worth | 2 hr |
| Jun 24, 7:48 PM CDT | Mesoscale Discussion | SPC | Bowie, Camp, Cass, Marion, Morris, Red River and 1 more | 117 min |
Nearby
Mesoscale Discussions in Oklahoma, 2018Mesoscale Discussions in Kansas, 2018Mesoscale Discussions in Missouri, 2018Every mesoscale discussion in 2018
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.