Alert archive / Texas / Mesoscale Discussions in 2016

Mesoscale Discussion 905

June 13, 2016Beaver County, Oklahoma; 14 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jun 13, 2016, 8:25 PM CDT for Beaver County, Oklahoma; 14 counties in Texas. It was in force for 95 min.

The area

The outline as issued.

The facts

Issued: Jun 13, 2016, 8:25 PM CDT (01:25 UTC)
Expired: Jun 13, 2016, 10:00 PM CDT
In force: 95 min
Issued by: the Storm Prediction Center

Counties Beaver County, OK, Armstrong County, TX, Carson County, TX, Castro County, TX, Deaf Smith County, TX, Donley County, TX, Gray County, TX, Hemphill County, TX, Hutchinson County, TX, Lipscomb County, TX, Ochiltree County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Swisher County, TX

The radar

The Amarillo radar (KAMA), 18 km from the middle of the area, began a volume at 01:24 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 nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 1.4 hours before the alert went out and 18 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2268 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 1676 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 59 m²/s²
0-3 km storm-relative helicity: 80 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 5.8

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 13, 9:02 PM CDT	Mesoscale Discussion	SPC	Ellis, Harper, Roger Mills, Woodward	88 min
Jun 13, 10:34 PM CDT	Mesoscale Discussion	SPC	Alfalfa, Beckham, Blaine, Custer, Greer, Harmon and 3 more	2 hr
Jun 13, 10:45 PM CDT	Mesoscale Discussion	SPC	Ellis, Harper, Roger Mills, Woodward	90 min
Jun 14, 4:02 PM CDT	Mesoscale Discussion	SPC	Beckham, Caddo, Carter, Comanche, Cotton, Greer and 7 more	88 min
Jun 14, 5:51 PM CDT	Tornado Watch	SPC	Comanche, Cotton, Greer, Harmon, Jackson, Kiowa and 1 more	4 hr
Jun 13, 10:56 PM CDT	Mesoscale Discussion	SPC	Donley, Wheeler	94 min
Jun 14, 5:31 PM CDT	Mesoscale Discussion	SPC	Cottle, Foard, Hardeman, Motley, Wilbarger	59 min
Jun 14, 6:56 PM CDT	Mesoscale Discussion	SPC	Cottle, Foard, Hardeman	94 min

Nearby

Mesoscale Discussions in Texas, 2016 Mesoscale Discussions in Oklahoma, 2016 Every 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.