Alert archive / Oklahoma / Mesoscale Discussions in 2016
Mesoscale Discussion 1759
The Storm Prediction Center issued this mesoscale discussion at Oct 4, 2016, 7:17 PM CDT for 31 counties in Oklahoma. It was in force for 118 min.
The area
The outline as issued.
The facts
- Issued
- Oct 4, 2016, 7:17 PM CDT (00:17 UTC)
- Expired
- Oct 4, 2016, 9:15 PM CDT
- In force
- 118 min
- Issued by
- the Storm Prediction Center
All 31 counties
Alfalfa County, OK, Blaine County, OK, Caddo County, OK, Canadian County, OK, Carter County, OK, Cleveland County, OK, Coal County, OK, Comanche County, OK, Cotton County, OK, Garfield County, OK, Garvin County, OK, Grady County, OK, Grant County, OK, Hughes County, OK, Jefferson County, OK, Johnston County, OK, Kay County, OK, Kingfisher County, OK, Lincoln County, OK, Logan County, OK, Major County, OK, McClain County, OK, Murray County, OK, Noble County, OK, Oklahoma County, OK, Pawnee County, OK, Payne County, OK, Pontotoc County, OK, Pottawatomie County, OK, Seminole County, OK, Stephens County, OK
The radar
The Norman radar (KTLX), 44 km from the middle of the area, began a volume at 00:16 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 00:00Z, 0.3 hours before the alert went out and 37 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
- 1817 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 1034 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 235 m²/s²
- 0-3 km storm-relative helicity
- 312 m²/s²
- Significant tornado parameter
- 2.9
- Supercell composite
- 14.8
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 |
|---|---|---|---|---|
| Oct 4, 7:49 PM CDT | Mesoscale Discussion | SPC | Osage, Pawnee, Washington | 2 hr |
| Oct 4, 8:38 PM CDT | Severe Thunderstorm Watch | SPC | Creek, Nowata, Okfuskee, Okmulgee, Osage, Pawnee and 1 more | 3 hr |
| Oct 4, 11:28 PM CDT | Mesoscale Discussion | SPC | Craig, Creek, Hughes, Mayes, Nowata, Okfuskee and 9 more | 62 min |
| Oct 5, 5:36 PM CDT | Mesoscale Discussion | SPC | Carter, Cotton, Jefferson, Stephens | 54 min |
Nearby
Mesoscale Discussions in Oklahoma, 2016Every mesoscale discussion in 2016
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.