Alert archive / Texas / Mesoscale Discussions in 2014

Mesoscale Discussion 1126

June 22, 20144 counties in Kansas; 19 counties in Oklahoma; 30 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jun 22, 2014, 11:19 PM CDT for 4 counties in Kansas; 19 counties in Oklahoma; 30 counties in Texas. It was in force for 86 min.

The area

The outline as issued.

The facts

Issued
Jun 22, 2014, 11:19 PM CDT (04:19 UTC)
Expired
Jun 23, 2014, 12:45 AM CDT
In force
86 min
Issued by
the Storm Prediction Center
All 53 counties

Barber County, KS, Clark County, KS, Comanche County, KS, Kiowa County, KS, Alfalfa County, OK, Beaver County, OK, Beckham County, OK, Blaine County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Greer County, OK, Harmon County, OK, Harper County, OK, Jackson County, OK, Kingfisher County, OK, Kiowa County, OK, Major County, OK, Roger Mills County, OK, Tillman County, OK, Washita County, OK, Woods County, OK, Woodward County, OK, Armstrong County, TX, Briscoe County, TX, Carson County, TX, Castro County, TX, Childress County, TX, Collingsworth County, TX, Cottle County, TX, Deaf Smith County, TX, Donley County, TX, Floyd County, TX, Foard County, TX, Gray County, TX, Hale County, TX, Hall County, TX, Hansford County, TX, Hardeman County, TX, Hartley County, TX, Hemphill County, TX, Hutchinson County, TX, Lamb County, TX, Lipscomb County, TX, Moore County, TX, Motley County, TX, Ochiltree County, TX, Oldham County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Swisher County, TX, Wheeler County, TX

The radar

The Amarillo radar (KAMA), 121 km from the middle of the area, began a volume at 04:21 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

Amarillo Airport, TX (KAMA), launched 00:00Z, 4.3 hours before the alert went out and 121 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, Amarillo Airport, TX at 00:00Z on 2014-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2676 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, Amarillo Airport, TX at 00:00Z on 2014-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 square meters per square second.193958Sfc1 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
2676 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
1781 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
266 m²/s²
Significant tornado parameter
0.6
Supercell composite
16.5

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 22, 8:19 PM CDTMesoscale DiscussionSPCBarber, Clark, Comanche, Edwards, Ford, Harper and 6 more86 min
Jun 22, 9:47 PM CDTSevere Thunderstorm WatchSPCBarber, Clark, Comanche, Ford, Kiowa, Meade and 1 more7 hr
Jun 23, 5:06 PM CDTSevere Thunderstorm WatchSPCCheyenne, Greeley, Sherman, Wallace7 hr
Jun 22, 11:47 PM CDTSevere Thunderstorm WatchSPCComanche, Cotton, Jackson, Tillman7 hr
Jun 23, 2:23 AM CDTMesoscale DiscussionSPCCaddo, Canadian, Comanche, Cotton, Greer, Harmon and 5 more97 min
Jun 23, 5:17 PM CDTMesoscale DiscussionSPCCimarron118 min
Jun 23, 6:14 AM CDTMesoscale DiscussionSPCCollin, Cooke, Dallas, Denton, Eastland, Fisher and 14 more61 min
Jun 23, 2:53 PM CDTMesoscale DiscussionSPCBrewster, Culberson, Jeff Davis, Loving, Pecos, Presidio and 3 more2 hr

Nearby

Mesoscale Discussions in Texas, 2014Mesoscale Discussions in Oklahoma, 2014Mesoscale Discussions in Kansas, 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.