Alert archive / Oklahoma / Mesoscale Discussions in 2020
Mesoscale Discussion 237
The Storm Prediction Center issued this mesoscale discussion at Mar 27, 2020, 1:00 PM CDT for 7 counties in Kansas; 19 counties in Oklahoma. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 27, 2020, 1:00 PM CDT (18:00 UTC)
- Expired
- Mar 27, 2020, 3:00 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 5%
All 26 counties
Chautauqua County, KS, Cowley County, KS, Elk County, KS, Labette County, KS, Montgomery County, KS, Neosho County, KS, Wilson County, KS, Blaine County, OK, Caddo County, OK, Canadian County, OK, Cleveland County, OK, Creek County, OK, Garfield County, OK, Grady County, OK, Grant County, OK, Kay County, OK, Kingfisher County, OK, Lincoln County, OK, Logan County, OK, Noble County, OK, Nowata County, OK, Oklahoma County, OK, Osage County, OK, Pawnee County, OK, Payne County, OK, Washington County, OK
The radar
The Norman radar (KTLX), 81 km from the middle of the area, began a volume at 18:00 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, 6.0 hours before the alert went out and 92 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
- 798 J/kg
- Mixed-layer CIN
- -370 J/kg
- Mixed-layer LCL
- 1189 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 108 m²/s²
- 0-3 km storm-relative helicity
- 183 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 |
|---|---|---|---|---|
| Mar 26, 9:51 PM CDT | Mesoscale Discussion | SPC | Anderson, Chase, Coffey, Douglas, Franklin, Geary and 11 more | 84 min |
| Mar 26, 10:27 PM CDT | Severe Thunderstorm Watch | SPC | Anderson, Coffey, Douglas, Franklin, Jefferson, Johnson and 9 more | 7 hr |
| Mar 27, 1:20 AM CDT | Mesoscale Discussion | SPC | Anderson, Douglas, Franklin, Johnson, Linn, Miami and 1 more | 85 min |
| Mar 27, 3:45 PM CDT | Mesoscale Discussion | SPC | Cherokee, Crawford, Labette | 2 hr |
Nearby
Mesoscale Discussions in Oklahoma, 2020Mesoscale Discussions in Kansas, 2020Every mesoscale discussion in 2020
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.