Alert archive / Oklahoma / Mesoscale Discussions in 2014
Mesoscale Discussion 514
The Storm Prediction Center issued this mesoscale discussion at May 7, 2014, 6:26 PM CDT for 21 counties in Oklahoma; Clay County, Cooke County, Montague County, Texas. It was in force for 64 min.
The area
The outline as issued.
The facts
- Issued
- May 7, 2014, 6:26 PM CDT (23:26 UTC)
- Expired
- May 7, 2014, 7:30 PM CDT
- In force
- 64 min
- Issued by
- the Storm Prediction Center
All 24 counties
Canadian County, OK, Carter County, OK, Cleveland County, OK, Cotton County, OK, Garfield County, OK, Garvin County, OK, Grady County, OK, Jefferson County, OK, Kay County, OK, Kingfisher County, OK, Lincoln County, OK, Logan County, OK, Love County, OK, McClain County, OK, Murray County, OK, Noble County, OK, Oklahoma County, OK, Pawnee County, OK, Payne County, OK, Pottawatomie County, OK, Stephens County, OK, Clay County, TX, Cooke County, TX, Montague County, TX
The radar
The Norman radar (KTLX), 69 km from the middle of the area, began a volume at 23:28 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 12:00Z, 11.4 hours before the alert went out and 53 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
- 605 J/kg
- Mixed-layer CIN
- -552 J/kg
- Mixed-layer LCL
- 1267 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 421 m²/s²
- 0-3 km storm-relative helicity
- 395 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 1:54 PM CDT | Mesoscale Discussion | SPC | Caddo, Comanche, Cotton, Grady, Jackson, Kiowa and 3 more | 66 min |
| May 7, 2:18 PM CDT | Severe Thunderstorm Watch | SPC | Alfalfa, Beckham, Blaine, Caddo, Canadian, Comanche and 17 more | 8 hr |
| May 7, 4:41 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Blaine, Caddo, Canadian, Custer, Dewey and 10 more | 64 min |
Nearby
Mesoscale Discussions in Oklahoma, 2014Mesoscale Discussions in Texas, 2014Every mesoscale discussion in 2014
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.