Alert archive / Oklahoma / Mesoscale Discussions in 2014

Mesoscale Discussion 850

June 6, 201445 counties in Oklahoma; 13 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jun 6, 2014, 4:05 AM CDT for 45 counties in Oklahoma; 13 counties in Texas. It was in force for 115 min.

The area

The outline as issued.

The facts

Issued
Jun 6, 2014, 4:05 AM CDT (09:05 UTC)
Expired
Jun 6, 2014, 6:00 AM CDT
In force
115 min
Issued by
the Storm Prediction Center
All 58 counties

Adair County, OK, Beckham County, OK, Blaine County, OK, Caddo County, OK, Canadian County, OK, Cherokee County, OK, Cleveland County, OK, Comanche County, OK, Creek County, OK, Custer County, OK, Delaware County, OK, Dewey County, OK, Ellis County, OK, Garfield County, OK, Grady County, OK, Greer County, OK, Harmon County, OK, Jackson County, OK, Kay County, OK, Kingfisher County, OK, Kiowa County, OK, Lincoln County, OK, Logan County, OK, Major County, OK, Mayes County, OK, McClain County, OK, McIntosh County, OK, Muskogee County, OK, Noble County, OK, Okfuskee County, OK, Oklahoma County, OK, Okmulgee County, OK, Osage County, OK, Pawnee County, OK, Payne County, OK, Pottawatomie County, OK, Roger Mills County, OK, Rogers County, OK, Seminole County, OK, Sequoyah County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK, Washita County, OK, Woodward County, OK, Armstrong County, TX, Carson County, TX, Collingsworth County, TX, Donley County, TX, Gray County, TX, Hemphill County, TX, Hutchinson County, TX, Lipscomb County, TX, Moore County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Wheeler County, TX

The radar

The Norman radar (KTLX), 83 km from the middle of the area, began a volume at 09:07 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, 9.1 hours before the alert went out and 82 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.

Skew-T log-pSkew-T log-p diagram, Norman, OK at 00:00Z on 2014-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1680 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 00:00Z on 2014-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1680 J/kg
Mixed-layer CIN
-224 J/kg
Mixed-layer LCL
1878 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
166 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 5, 7:37 PM CDTMesoscale DiscussionSPCCimarron113 min
Jun 5, 7:54 PM CDTMesoscale DiscussionSPCCimarron, Texas2 hr
Jun 5, 9:14 PM CDTMesoscale DiscussionSPCCraig, Delaware, Grant, Kay, Noble, Nowata and 3 more3 hr
Jun 5, 9:36 PM CDTSevere Thunderstorm WatchSPCAdair, Alfalfa, Cherokee, Craig, Creek, Delaware and 15 more7 hr
Jun 5, 11:49 PM CDTMesoscale DiscussionSPCCimarron116 min
Jun 6, 1:17 AM CDTMesoscale DiscussionSPCBeckham, Blaine, Caddo, Canadian, Carter, Cleveland and 28 more88 min
Jun 6, 1:43 AM CDTSevere Thunderstorm WatchSPCAlfalfa, Beaver, Beckham, Blaine, Caddo, Canadian and 27 more6 hr
Jun 6, 5:47 AM CDTMesoscale DiscussionSPCBeaver, Beckham, Blaine, Caddo, Canadian, Comanche and 13 more88 min
Jun 6, 7:02 AM CDTSevere Thunderstorm WatchSPCAdair, Atoka, Bryan, Carter, Cherokee, Choctaw and 30 more5 hr
Jun 6, 9:52 AM CDTMesoscale DiscussionSPCLeFlore, McCurtain53 min
Jun 6, 10:18 AM CDTSevere Thunderstorm WatchSPCMcCurtain5 hr
Jun 6, 1:29 PM CDTMesoscale DiscussionSPCAlfalfa, Beaver, Grant, Harper, Major, Woods and 1 more3 hr
Jun 6, 3:23 PM CDTMesoscale DiscussionSPCCimarron, Texas67 min
Jun 6, 3:43 PM CDTTornado WatchSPCBeaver, Cimarron, Texas6 hr
Jun 6, 6:25 PM CDTMesoscale DiscussionSPCBeaver, Cimarron, Texas95 min
Jun 6, 6:44 PM CDTTornado WatchSPCBeaver, Cimarron, Texas6 hr
Jun 6, 1:51 PM CDTMesoscale DiscussionSPCDallam, Deaf Smith, Hartley, Oldham, Parmer114 min
Jun 6, 5:07 PM CDTMesoscale DiscussionSPCAndrews, Ector, Gaines, Loving, Reeves, Ward and 2 more113 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.