Alert archive / Texas / Mesoscale Discussions in 2013

Mesoscale Discussion 971

June 5, 20135 counties in New Mexico; 33 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jun 5, 2013, 5:55 PM MDT for 5 counties in New Mexico; 33 counties in Texas. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Jun 5, 2013, 5:55 PM MDT (23:55 UTC)
Expired
Jun 5, 2013, 8:00 PM MDT
In force
2 hr
Issued by
the Storm Prediction Center
All 38 counties

Curry County, NM, De Baca County, NM, Guadalupe County, NM, Quay County, NM, Roosevelt County, NM, Armstrong County, TX, Bailey County, TX, Briscoe County, TX, Carson County, TX, Castro County, TX, Childress County, TX, Cochran County, TX, Collingsworth County, TX, Cottle County, TX, Crosby County, TX, Deaf Smith County, TX, Dickens County, TX, Donley County, TX, Floyd County, TX, Garza County, TX, Gray County, TX, Hale County, TX, Hall County, TX, Hockley County, TX, Kent County, TX, King County, TX, Lamb County, TX, Lubbock County, TX, Lynn County, TX, Motley County, TX, Oldham County, TX, Parmer County, TX, Potter County, TX, Randall County, TX, Stonewall County, TX, Swisher County, TX, Terry County, TX, Yoakum County, TX

The radar

The Cannon AFB radar (KFDX), 44 km from the middle of the area, began a volume at 23:55 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 12:00Z, 11.9 hours before the alert went out and 184 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 12:00Z on 2013-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 504 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 12:00Z on 2013-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 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
504 J/kg
Mixed-layer CIN
-240 J/kg
Mixed-layer LCL
811 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
322 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

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 5, 12:45 PM MDTMesoscale DiscussionSPCColfax, Harding, Mora, San Miguel, Union90 min
Jun 5, 1:47 PM MDTSevere Thunderstorm WatchSPCColfax, Curry, De Baca, Guadalupe, Harding, Mora and 4 more7 hr
Jun 4, 6:30 PM MDTMesoscale DiscussionSPCArcher, Armstrong, Baylor, Briscoe, Carson, Childress and 35 more2 hr
Jun 4, 9:19 PM MDTMesoscale DiscussionSPCArmstrong, Briscoe, Callahan, Carson, Childress, Collingsworth and 27 more86 min
Jun 4, 10:39 PM MDTMesoscale DiscussionSPCHemphill, Lipscomb, Ochiltree, Roberts66 min
Jun 5, 1:36 AM MDTMesoscale DiscussionSPCHansford, Hemphill, Lipscomb, Ochiltree84 min
Jun 5, 2:56 PM MDTMesoscale DiscussionSPCBrown, Callahan, Coke, Coleman, Comanche, Concho and 22 more94 min

Nearby

Mesoscale Discussions in Texas, 2013Mesoscale Discussions in New Mexico, 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.