Alert archive / Texas / Mesoscale Discussions in 2014

Mesoscale Discussion 694

May 25, 2014Pecos County, Reeves County, Texas

The Storm Prediction Center issued this mesoscale discussion at May 25, 2014, 12:50 PM CDT for Pecos County, Reeves County, Texas. It was in force for 85 min.

The area

The outline as issued.

The facts

Issued
May 25, 2014, 12:50 PM CDT (17:50 UTC)
Expired
May 25, 2014, 2:15 PM CDT
In force
85 min
Issued by
the Storm Prediction Center
Chance of a watch
40%

Counties Pecos County, TX, Reeves County, TX

The radar

The Midland/Odessa radar (KMAF), 197 km from the middle of the area, began a volume at 17:52 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 12:00Z, 5.8 hours before the alert went out and 197 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 2014-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 270 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 2014-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 square meters per square second.19395878Sfc1 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
270 J/kg
Mixed-layer CIN
-140 J/kg
Mixed-layer LCL
674 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
197 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.7

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, 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, 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, 3:43 PM CDTMesoscale DiscussionSPCBlanco, Brewster, Brown, Coleman, Comanche, Concho and 24 more92 min
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.