Alert archive / Texas / Mesoscale Discussions in 2014

Mesoscale Discussion 686

May 24, 2014Lea County, New Mexico; 21 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 24, 2014, 6:42 PM MDT for Lea County, New Mexico; 21 counties in Texas. It was in force for 63 min.

The area

The outline as issued.

The facts

Issued
May 24, 2014, 6:42 PM MDT (00:42 UTC)
Expired
May 24, 2014, 7:45 PM MDT
In force
63 min
Issued by
the Storm Prediction Center
All 22 counties

Lea County, NM, Andrews County, TX, Crane County, TX, Crockett County, TX, Dawson County, TX, Ector County, TX, Gaines County, TX, Glasscock County, TX, Howard County, TX, Irion County, TX, Loving County, TX, Martin County, TX, Midland County, TX, Pecos County, TX, Reagan County, TX, Schleicher County, TX, Sterling County, TX, Sutton County, TX, Terrell County, TX, Upton County, TX, Ward County, TX, Winkler County, TX

The radar

The Midland/Odessa radar (KMAF), 89 km from the middle of the area, began a volume at 00:43 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

Midland Regional, TX (KMAF), launched 00:00Z, 0.7 hours before the alert went out and 90 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 2014-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 953 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 00:00Z on 2014-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 245 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
953 J/kg
Mixed-layer CIN
-124 J/kg
Mixed-layer LCL
848 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
245 m²/s²
0-3 km storm-relative helicity
200 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.7

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
May 24, 8:20 PM MDTMesoscale DiscussionSPCChaves, Curry, Eddy, Lea, Roosevelt55 min
May 24, 8:38 PM MDTSevere Thunderstorm WatchSPCChaves, Curry, De Baca, Eddy, Lea, Roosevelt6 hr
May 24, 10:53 PM MDTMesoscale DiscussionSPCCurry, Lea, Roosevelt67 min
May 25, 12:12 PM MDTMesoscale DiscussionSPCCurry, Quay3 hr
May 25, 1:37 PM MDTMesoscale DiscussionSPCEddy, Lea, Roosevelt113 min
May 25, 2:28 PM MDTSevere Thunderstorm WatchSPCChaves, Curry, De Baca, Eddy, Lea, Lincoln and 2 more8 hr
May 24, 8:52 PM MDTSevere Thunderstorm WatchSPCCrockett, Schleicher, Sutton, Terrell, Val Verde6 hr
May 25, 1:11 AM MDTMesoscale DiscussionSPCCrockett, Edwards, Kimble, Menard, Schleicher, Sutton and 1 more94 min
May 25, 1:40 AM MDTMesoscale DiscussionSPCAndrews, Borden, Childress, Cottle, Crosby, Dawson and 9 more95 min
May 25, 9:15 AM MDTMesoscale DiscussionSPCCrockett, Irion, Schleicher, Tom Green90 min
May 25, 11:50 AM MDTMesoscale DiscussionSPCPecos, Reeves85 min
May 25, 12:35 PM MDTMesoscale DiscussionSPCBandera, Blanco, Burnet, Crockett, Edwards, Gillespie and 16 more115 min
May 25, 12:53 PM MDTTornado WatchSPCBandera, Brewster, Brown, Coleman, Comanche, Concho and 29 more8 hr
May 25, 2:43 PM MDTMesoscale DiscussionSPCBlanco, Brewster, Brown, Coleman, Comanche, Concho and 24 more92 min
May 25, 5:12 PM MDTMesoscale DiscussionSPCBandera, Blanco, Gillespie, Kendall, Kerr, Kinney and 3 more93 min

Nearby

Mesoscale Discussions in Texas, 2014Mesoscale Discussions in New Mexico, 2014Every mesoscale discussion in 2014

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.