Alert archive / Texas / Mesoscale Discussions in 2013

Mesoscale Discussion 950

June 3, 20136 counties in Kansas; 22 counties in Oklahoma; 32 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jun 3, 2013, 10:08 PM CDT for 6 counties in Kansas; 22 counties in Oklahoma; 32 counties in Texas. It was in force for 67 min.

The area

The outline as issued.

The facts

Issued
Jun 3, 2013, 10:08 PM CDT (03:08 UTC)
Expired
Jun 3, 2013, 11:15 PM CDT
In force
67 min
Issued by
the Storm Prediction Center
All 60 counties

Clark County, KS, Comanche County, KS, Meade County, KS, Morton County, KS, Seward County, KS, Stevens County, KS, Alfalfa County, OK, Beaver County, OK, Beckham County, OK, Blaine County, OK, Caddo County, OK, Cimarron County, OK, Comanche County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Greer County, OK, Harmon County, OK, Harper County, OK, Jackson County, OK, Kiowa County, OK, Major County, OK, Roger Mills County, OK, Texas 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, Dallam County, TX, Deaf Smith County, TX, Donley County, TX, Floyd 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, Parmer County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Sherman County, TX, Swisher County, TX, Wheeler County, TX

The radar

The Amarillo radar (KAMA), 97 km from the middle of the area, began a volume at 03:09 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, 3.1 hours before the alert went out and 96 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 2013-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 379 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 2013-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 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
379 J/kg
Mixed-layer CIN
-100 J/kg
Mixed-layer LCL
3413 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
125 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.1

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 4, 3:40 PM CDTMesoscale DiscussionSPCHamilton, Morton, Stanton95 min
Jun 4, 4:51 PM CDTSevere Thunderstorm WatchSPCCheyenne, Decatur, Finney, Gove, Grant, Gray and 18 more7 hr
Jun 3, 10:41 PM CDTSevere Thunderstorm WatchSPCBeckham, Blaine, Caddo, Comanche, Custer, Dewey and 9 more5 hr
Jun 4, 1:22 AM CDTMesoscale DiscussionSPCBeckham, Blaine, Caddo, Custer, Dewey, Ellis and 3 more83 min
Jun 4, 3:30 AM CDTMesoscale DiscussionSPCCaddo, Canadian, Cleveland, Comanche, Garvin, Grady and 11 more90 min
Jun 4, 3:44 AM CDTSevere Thunderstorm WatchSPCAtoka, Bryan, Caddo, Canadian, Carter, Cleveland and 25 more5 hr
Jun 4, 6:50 AM CDTMesoscale DiscussionSPCCarter, Coal, Johnston, Love, Marshall55 min
Jun 4, 5:06 PM CDTMesoscale DiscussionSPCBeaver, Beckham, Comanche, Cotton, Custer, Dewey and 12 more54 min
Jun 4, 5:39 PM CDTSevere Thunderstorm WatchSPCBeaver, Beckham, Cimarron, Comanche, Cotton, Custer and 12 more6 hr
Jun 4, 2:24 PM CDTMesoscale DiscussionSPCCallahan, Coke, Concho, Crockett, Fisher, Haskell and 16 more96 min

Nearby

Mesoscale Discussions in Texas, 2013Mesoscale Discussions in Oklahoma, 2013Mesoscale Discussions in Kansas, 2013Every mesoscale discussion in 2013

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.