Alert archive / Texas / Mesoscale Discussions in 2015

Mesoscale Discussion 1002

June 13, 2015Curry County, Roosevelt County, New Mexico; 10 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jun 13, 2015, 6:54 AM MDT for Curry County, Roosevelt County, New Mexico; 10 counties in Texas. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Jun 13, 2015, 6:54 AM MDT (12:54 UTC)
Expired: Jun 13, 2015, 9:00 AM MDT
In force: 2 hr
Issued by: the Storm Prediction Center
Chance of a watch: 20%

Counties Curry County, NM, Roosevelt County, NM, Bailey County, TX, Castro County, TX, Cochran County, TX, Deaf Smith County, TX, Hale County, TX, Hockley County, TX, Lamb County, TX, Parmer County, TX, Randall County, TX, Swisher County, TX

The radar

The Cannon AFB radar (KFDX), 81 km from the middle of the area, began a volume at 12:53 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 12:00Z, 0.9 hours before the alert went out and 131 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: 411 J/kg
Mixed-layer CIN: -31 J/kg
Mixed-layer LCL: 638 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: 52 m²/s²
0-3 km storm-relative helicity: 60 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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.

Issued	Product	Office	Counties	Lasted
Jun 13, 12:22 PM MDT	Mesoscale Discussion	SPC	Chaves, Curry, De Baca, Eddy, Lea, Quay and 1 more	2 hr
Jun 13, 1:03 PM MDT	Severe Thunderstorm Watch	SPC	Chaves, Curry, De Baca, Eddy, Guadalupe, Lea and 2 more	8 hr
Jun 13, 2:49 PM MDT	Mesoscale Discussion	SPC	Chaves, Curry, De Baca, Eddy, Guadalupe, Lea and 2 more	56 min
Jun 13, 4:56 PM MDT	Mesoscale Discussion	SPC	Chaves, Curry, De Baca, Eddy, Lea, Quay and 1 more	94 min
Jun 12, 7:01 PM MDT	Mesoscale Discussion	SPC	Andrews, Armstrong, Borden, Briscoe, Castro, Cochran and 30 more	89 min
Jun 12, 7:55 PM MDT	Mesoscale Discussion	SPC	Hardeman	65 min
Jun 13, 2:15 PM MDT	Mesoscale Discussion	SPC	Baylor, Clay, Jack, Knox, Montague, Throckmorton and 1 more	90 min

Nearby

Mesoscale Discussions in Texas, 2015 Mesoscale Discussions in New Mexico, 2015 Every mesoscale discussion in 2015

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.