Alert archive / Texas / Mesoscale Discussions in 2014

Mesoscale Discussion 718

May 26, 201425 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 26, 2014, 8:04 PM CDT for 25 counties in Texas. It was in force for 86 min.

The area

The outline as issued.

The facts

Issued
May 26, 2014, 8:04 PM CDT (01:04 UTC)
Expired
May 26, 2014, 9:30 PM CDT
In force
86 min
Issued by
the Storm Prediction Center
All 25 counties

Borden County, TX, Coke County, TX, Crane County, TX, Crockett County, TX, Dickens County, TX, Edwards County, TX, Fisher County, TX, Glasscock County, TX, Howard County, TX, Irion County, TX, Kent County, TX, Midland County, TX, Mitchell County, TX, Nolan County, TX, Pecos County, TX, Reagan County, TX, Schleicher County, TX, Scurry County, TX, Sterling County, TX, Stonewall County, TX, Sutton County, TX, Terrell County, TX, Tom Green County, TX, Upton County, TX, Val Verde County, TX

The radar

The San Angelo radar (KSJT), 98 km from the middle of the area, began a volume at 01:06 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, 1.1 hours before the alert went out and 123 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 2014-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 744 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 2014-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 213 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
744 J/kg
Mixed-layer CIN
-84 J/kg
Mixed-layer LCL
1490 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
213 m²/s²
0-3 km storm-relative helicity
241 m²/s²
Significant tornado parameter
0.4
Supercell composite
4.3

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 26, 7:38 PM CDTMesoscale DiscussionSPCComanche, Eastland, Erath, Hamilton, Jack, Lampasas and 4 more67 min
May 26, 10:21 PM CDTMesoscale DiscussionSPCBrown, Coleman, Concho, Irion, McCulloch, Reagan and 2 more54 min
May 26, 11:45 PM CDTMesoscale DiscussionSPCStarr60 min
May 27, 2:17 AM CDTMesoscale DiscussionSPCAtascosa, Bandera, Bexar, Blanco, Caldwell, Comal and 9 more2 hr
May 27, 9:19 AM CDTMesoscale DiscussionSPCJasper, Jefferson, Newton, Orange, Sabine56 min
May 27, 3:03 PM CDTMesoscale DiscussionSPCBosque, Brown, Callahan, Coleman, Collin, Comanche and 30 more117 min
May 27, 3:13 PM CDTMesoscale DiscussionSPCAransas, Atascosa, Bee, Duval, Frio, Goliad and 10 more62 min
May 27, 3:18 PM CDTSevere Thunderstorm WatchSPCBell, Bosque, Brown, Burnet, Callahan, Coleman and 45 more6 hr
May 27, 3:40 PM CDTTornado WatchSPCAransas, Atascosa, Bandera, Bee, Bexar, Blanco and 24 more6 hr
May 27, 5:30 PM CDTMesoscale DiscussionSPCAransas, Atascosa, Bee, Duval, Frio, Goliad and 10 more90 min
May 27, 6:00 PM CDTMesoscale DiscussionSPCBell, Bosque, Coryell, Ellis, Falls, Hamilton and 8 more90 min
May 27, 6:27 PM CDTMesoscale DiscussionSPCKenedy, Willacy93 min
May 27, 6:40 PM CDTTornado WatchSPCBrooks, Kenedy, Willacy2 hr

Nearby

Mesoscale Discussions in Texas, 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.