Alert archive / Oklahoma / Mesoscale Discussions in 2022
Mesoscale Discussion 772
The Storm Prediction Center issued this mesoscale discussion at May 15, 2022, 2:57 PM CDT for 18 counties in Oklahoma. It was in force for 63 min.
The area
The outline as issued.
The facts
- Issued
- May 15, 2022, 2:57 PM CDT (19:57 UTC)
- Expired
- May 15, 2022, 4:00 PM CDT
- In force
- 63 min
- Issued by
- the Storm Prediction Center
- Concerning
- Severe thunderstorm watch 217
Counties Adair County, OK, Cherokee County, OK, Creek County, OK, Garfield County, OK, Kingfisher County, OK, Lincoln County, OK, Logan County, OK, McIntosh County, OK, Muskogee County, OK, Noble County, OK, Okfuskee County, OK, Okmulgee County, OK, Pawnee County, OK, Payne County, OK, Rogers County, OK, Sequoyah County, OK, Tulsa County, OK, Wagoner County, OK
The radar
The Tulsa radar (KINX), 64 km from the middle of the area, began a volume at 19:58 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
Springfield, MO (KSGF), launched 12:00Z, 8.0 hours before the alert went out and 241 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
- 403 J/kg
- Mixed-layer CIN
- -120 J/kg
- Mixed-layer LCL
- 1598 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 2 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 |
|---|---|---|---|---|
| May 14, 8:11 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Blaine, Dewey, Ellis, Harper, Major and 2 more | 94 min |
| May 15, 1:23 AM CDT | Mesoscale Discussion | SPC | Craig, Delaware, Mayes, Nowata, Washington | 97 min |
| May 15, 8:30 AM CDT | Mesoscale Discussion | SPC | Craig, Nowata, Ottawa | 90 min |
| May 15, 8:45 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Cherokee, Craig, Delaware, Mayes, Nowata and 6 more | 7 hr |
| May 15, 2:58 PM CDT | Severe Thunderstorm Watch | SPC | McCurtain | 6 hr |
| May 15, 3:23 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Atoka, Bryan, Carter, Cherokee, Choctaw and 23 more | 7 hr |
| May 15, 5:46 PM CDT | Mesoscale Discussion | SPC | Atoka, Coal, Haskell, Hughes, Johnston, Latimer and 10 more | 89 min |
Nearby
Mesoscale Discussions in Oklahoma, 2022Every mesoscale discussion in 2022
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.