Alert archive / Texas / Mesoscale Discussions in 2014

Mesoscale Discussion 689

May 25, 20147 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 25, 2014, 2:11 AM CDT for 7 counties in Texas. It was in force for 94 min.

The area

The outline as issued.

The facts

Issued: May 25, 2014, 2:11 AM CDT (07:11 UTC)
Expired: May 25, 2014, 3:45 AM CDT
In force: 94 min
Issued by: the Storm Prediction Center

Counties Crockett County, TX, Edwards County, TX, Kimble County, TX, Menard County, TX, Schleicher County, TX, Sutton County, TX, Terrell County, TX

The radar

The San Angelo radar (KSJT), 99 km from the middle of the area, began a volume at 07:10 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 00:00Z, 7.2 hours before the alert went out and 138 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2321 J/kg
Mixed-layer CIN: -61 J/kg
Mixed-layer LCL: 1487 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 25 m²/s²
0-3 km storm-relative helicity: 51 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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.

Issued	Product	Office	Counties	Lasted
May 24, 7:42 PM CDT	Mesoscale Discussion	SPC	Andrews, Crane, Crockett, Dawson, Ector, Gaines and 15 more	63 min
May 24, 9:20 PM CDT	Mesoscale Discussion	SPC	Andrews, Bailey, Borden, Brewster, Castro, Cochran and 41 more	55 min
May 24, 9:38 PM CDT	Severe Thunderstorm Watch	SPC	Andrews, Bailey, Castro, Cochran, Dawson, Ector and 14 more	6 hr
May 24, 9:52 PM CDT	Severe Thunderstorm Watch	SPC	Crockett, Schleicher, Sutton, Terrell, Val Verde	6 hr
May 24, 11:53 PM CDT	Mesoscale Discussion	SPC	Andrews, Bailey, Castro, Cochran, Dawson, Gaines and 9 more	67 min
May 25, 2:40 AM CDT	Mesoscale Discussion	SPC	Andrews, Borden, Childress, Cottle, Crosby, Dawson and 9 more	95 min
May 25, 10:15 AM CDT	Mesoscale Discussion	SPC	Crockett, Irion, Schleicher, Tom Green	90 min
May 25, 12:50 PM CDT	Mesoscale Discussion	SPC	Pecos, Reeves	85 min
May 25, 1:12 PM CDT	Mesoscale Discussion	SPC	Carson, Castro, Dallam, Deaf Smith, Hansford, Hartley and 9 more	3 hr
May 25, 1:35 PM CDT	Mesoscale Discussion	SPC	Bandera, Blanco, Burnet, Crockett, Edwards, Gillespie and 16 more	115 min
May 25, 1:53 PM CDT	Tornado Watch	SPC	Bandera, Brewster, Brown, Coleman, Comanche, Concho and 29 more	8 hr
May 25, 2:37 PM CDT	Mesoscale Discussion	SPC	Andrews, Bailey, Cochran, Dawson, Ector, Gaines and 11 more	113 min
May 25, 3:28 PM CDT	Severe Thunderstorm Watch	SPC	Andrews, Armstrong, Bailey, Carson, Castro, Cochran and 26 more	8 hr
May 25, 3:43 PM CDT	Mesoscale Discussion	SPC	Blanco, Brewster, Brown, Coleman, Comanche, Concho and 24 more	92 min
May 25, 6:12 PM CDT	Mesoscale Discussion	SPC	Bandera, Blanco, Gillespie, Kendall, Kerr, Kinney and 3 more	93 min

Nearby

Mesoscale Discussions in Texas, 2014 Every 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.