Alert archive / Texas / Mesoscale Discussions in 2015

Mesoscale Discussion 6

January 2, 20157 counties in New Mexico; 12 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jan 2, 2015, 9:41 PM MST for 7 counties in New Mexico; 12 counties in Texas. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
Jan 2, 2015, 9:41 PM MST (04:41 UTC)
Expired
Jan 3, 2015, 1:45 AM MST
In force
4 hr
Issued by
the Storm Prediction Center

Counties Curry County, NM, De Baca County, NM, Guadalupe County, NM, Harding County, NM, Quay County, NM, Roosevelt County, NM, San Miguel County, NM, Bailey County, TX, Castro County, TX, Cochran County, TX, Dallam County, TX, Deaf Smith County, TX, Hartley County, TX, Lamb County, TX, Moore County, TX, Oldham County, TX, Parmer County, TX, Potter County, TX, Randall County, TX

The radar

The Cannon AFB radar (KFDX), 28 km from the middle of the area, began a volume at 04:40 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

Midland Regional, TX (KMAF), launched 00:00Z, 4.7 hours before the alert went out and 350 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, Midland Regional, TX at 00:00Z on 2015-01-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 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, Midland Regional, TX at 00:00Z on 2015-01-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 117 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
443 m above ground
0-6 km bulk shear
70 kt
0-1 km storm-relative helicity
117 m²/s²
0-3 km storm-relative helicity
102 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.

IssuedProductOfficeCountiesLasted
Jan 3, 1:39 AM MSTMesoscale DiscussionSPCCarson, Dallam, Hansford, Hartley, Hemphill, Hutchinson and 5 more5 hr

Nearby

Mesoscale Discussions in Texas, 2015Mesoscale Discussions in New Mexico, 2015Every 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.