Alert archive / Texas / Mesoscale Discussions in 2016

Mesoscale Discussion 791

May 30, 2016Chaves County, Eddy County, Lea County, New Mexico; 18 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 30, 2016, 1:28 PM MDT for Chaves County, Eddy County, Lea County, New Mexico; 18 counties in Texas. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
May 30, 2016, 1:28 PM MDT (19:28 UTC)
Expired
May 30, 2016, 3:30 PM MDT
In force
2 hr
Issued by
the Storm Prediction Center
Chance of a watch
20%
All 21 counties

Chaves County, NM, Eddy County, NM, Lea County, NM, Andrews County, TX, Brewster County, TX, Crane County, TX, Crockett County, TX, Culberson County, TX, Ector County, TX, Gaines County, TX, Jeff Davis County, TX, Loving County, TX, Midland County, TX, Pecos County, TX, Presidio County, TX, Reeves County, TX, Terrell County, TX, Upton County, TX, Ward County, TX, Winkler County, TX, Yoakum County, TX

The radar

The Midland/Odessa radar (KMAF), 166 km from the middle of the area, began a volume at 19:29 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 12:00Z, 7.5 hours before the alert went out and 166 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 12:00Z on 2016-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 931 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, Midland Regional, TX at 12:00Z on 2016-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 139 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
931 J/kg
Mixed-layer CIN
-299 J/kg
Mixed-layer LCL
796 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
139 m²/s²
0-3 km storm-relative helicity
211 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.6

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.

IssuedProductOfficeCountiesLasted
May 29, 6:05 PM MDTMesoscale DiscussionSPCChaves, Eddy, Lea85 min
May 29, 6:10 PM MDTSevere Thunderstorm WatchSPCBell, Bosque, Brown, Callahan, Coke, Coleman and 35 more9 hr
May 29, 8:27 PM MDTMesoscale DiscussionSPCBrown, Callahan, Coke, Coleman, Comanche, Concho and 28 more2 hr
May 29, 10:52 PM MDTMesoscale DiscussionSPCBosque, Brown, Callahan, Coleman, Comanche, Concho and 18 more83 min
May 30, 8:41 AM MDTMesoscale DiscussionSPCJackson, Lavaca, Victoria64 min
May 30, 4:49 PM MDTMesoscale DiscussionSPCBorden, Brown, Callahan, Coke, Coleman, Comanche and 15 more2 hr
May 30, 5:54 PM MDTSevere Thunderstorm WatchSPCBorden, Brown, Callahan, Coke, Coleman, Dawson and 15 more5 hr

Nearby

Mesoscale Discussions in Texas, 2016Mesoscale Discussions in New Mexico, 2016Every 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.