Alert archive / Texas / Mesoscale Discussions in 2014

Mesoscale Discussion 701

May 25, 201430 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 25, 2014, 3:43 PM CDT for 30 counties in Texas. It was in force for 92 min.

The area

The outline as issued.

The facts

Issued
May 25, 2014, 3:43 PM CDT (20:43 UTC)
Expired
May 25, 2014, 5:15 PM CDT
In force
92 min
Issued by
the Storm Prediction Center
All 30 counties

Blanco County, TX, Brewster County, TX, Brown County, TX, Coleman County, TX, Comanche County, TX, Concho County, TX, Crockett County, TX, Edwards County, TX, Erath County, TX, Gillespie County, TX, Irion County, TX, Kerr County, TX, Kimble County, TX, Lampasas County, TX, Llano County, TX, Mason County, TX, McCulloch County, TX, Menard County, TX, Mills County, TX, Pecos County, TX, Reagan County, TX, Real County, TX, Runnels County, TX, San Saba County, TX, Schleicher 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), 144 km from the middle of the area, began a volume at 20:44 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

Del Rio, TX (KDLF), launched 12:00Z, 8.7 hours before the alert went out and 107 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, Del Rio, TX at 12:00Z on 2014-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1607 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, Del Rio, TX at 12:00Z on 2014-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 86 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
1607 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
460 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
86 m²/s²
0-3 km storm-relative helicity
278 m²/s²
Significant tornado parameter
1.8
Supercell composite
10.4

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, 7:42 PM CDTMesoscale DiscussionSPCAndrews, Crane, Crockett, Dawson, Ector, Gaines and 15 more63 min
May 24, 9:20 PM CDTMesoscale DiscussionSPCAndrews, Bailey, Borden, Brewster, Castro, Cochran and 41 more55 min
May 24, 9:38 PM CDTSevere Thunderstorm WatchSPCAndrews, Bailey, Castro, Cochran, Dawson, Ector and 14 more6 hr
May 24, 9:52 PM CDTSevere Thunderstorm WatchSPCCrockett, Schleicher, Sutton, Terrell, Val Verde6 hr
May 24, 11:53 PM CDTMesoscale DiscussionSPCAndrews, Bailey, Castro, Cochran, Dawson, Gaines and 9 more67 min
May 25, 2:11 AM CDTMesoscale DiscussionSPCCrockett, Edwards, Kimble, Menard, Schleicher, Sutton and 1 more94 min
May 25, 2:40 AM CDTMesoscale DiscussionSPCAndrews, Borden, Childress, Cottle, Crosby, Dawson and 9 more95 min
May 25, 10:15 AM CDTMesoscale DiscussionSPCCrockett, Irion, Schleicher, Tom Green90 min
May 25, 12:50 PM CDTMesoscale DiscussionSPCPecos, Reeves85 min
May 25, 1:12 PM CDTMesoscale DiscussionSPCCarson, Castro, Dallam, Deaf Smith, Hansford, Hartley and 9 more3 hr
May 25, 1:35 PM CDTMesoscale DiscussionSPCBandera, Blanco, Burnet, Crockett, Edwards, Gillespie and 16 more115 min
May 25, 1:53 PM CDTTornado WatchSPCBandera, Brewster, Brown, Coleman, Comanche, Concho and 29 more8 hr
May 25, 2:37 PM CDTMesoscale DiscussionSPCAndrews, Bailey, Cochran, Dawson, Ector, Gaines and 11 more113 min
May 25, 3:28 PM CDTSevere Thunderstorm WatchSPCAndrews, Armstrong, Bailey, Carson, Castro, Cochran and 26 more8 hr
May 25, 6:12 PM CDTMesoscale DiscussionSPCBandera, Blanco, Gillespie, Kendall, Kerr, Kinney and 3 more93 min

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.