Alert archive / Oklahoma / Mesoscale Discussions in 2018
Mesoscale Discussion 1185
The Storm Prediction Center issued this mesoscale discussion at Jul 28, 2018, 3:41 PM CDT for 4 states. It was in force for 64 min.
The area
The outline as issued.
The facts
- Issued
- Jul 28, 2018, 3:41 PM CDT (20:41 UTC)
- Expired
- Jul 28, 2018, 4:45 PM CDT
- In force
- 64 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 26 counties
Benton County, AR, Crawford County, AR, Washington County, AR, Cherokee County, KS, Labette County, KS, Neosho County, KS, McDonald County, MO, Newton County, MO, Adair County, OK, Cherokee County, OK, Craig County, OK, Delaware County, OK, Haskell County, OK, Latimer County, OK, Mayes County, OK, McIntosh County, OK, Muskogee County, OK, Nowata County, OK, Okmulgee County, OK, Ottawa County, OK, Pittsburg County, OK, Pushmataha County, OK, Rogers County, OK, Sequoyah County, OK, Tulsa County, OK, Wagoner County, OK
The radar
The Tulsa radar (KINX), 73 km from the middle of the area, began a volume at 20:42 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, 8.7 hours before the alert went out and 197 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
- 1718 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 49 m²/s²
- 0-3 km storm-relative helicity
- 72 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, 8:24 PM CDT | Mesoscale Discussion | SPC | Clark, Finney, Ford, Grant, Gray, Hamilton and 11 more | 2 hr |
| Jul 28, 6:01 PM CDT | Mesoscale Discussion | SPC | Cheyenne, Decatur, Rawlins, Sherman, Thomas | 119 min |
| Jul 28, 6:40 PM CDT | Severe Thunderstorm Watch | SPC | Cheyenne, Decatur, Gove, Graham, Greeley, Logan and 7 more | 7 hr |
| Jul 27, 9:51 PM CDT | Mesoscale Discussion | SPC | Beaver, Dewey, Ellis, Harper, Major, Woods and 1 more | 54 min |
| Jul 27, 10:17 PM CDT | Severe Thunderstorm Watch | SPC | Beaver, Blaine, Custer, Dewey, Ellis, Harper and 5 more | 5 hr |
| Jul 28, 2:43 AM CDT | Mesoscale Discussion | SPC | Alfalfa, Blaine, Canadian, Custer, Dewey, Garfield and 5 more | 92 min |
Nearby
Mesoscale Discussions in Oklahoma, 2018Mesoscale Discussions in Arkansas, 2018Mesoscale Discussions in Kansas, 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.