Alert archive / Texas / Mesoscale Discussions in 2016

Mesoscale Discussion 759

May 26, 20165 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 26, 2016, 11:06 PM CDT for 5 counties in Texas. It was in force for 84 min.

The area

The outline as issued.

The facts

Issued: May 26, 2016, 11:06 PM CDT (04:06 UTC)
Expired: May 27, 2016, 12:30 AM CDT
In force: 84 min
Issued by: the Storm Prediction Center

Counties Coryell County, TX, Dallas County, TX, Ellis County, TX, Hill County, TX, McLennan County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 58 km from the middle of the area, began a volume at 04:08 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

Fort Worth, TX (KFWD), launched 00:00Z, 4.1 hours before the alert went out and 86 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: 301 J/kg
Mixed-layer CIN: -307 J/kg
Mixed-layer LCL: 1278 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 85 m²/s²
0-3 km storm-relative helicity: 100 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 26, 7:33 PM CDT	Severe Thunderstorm Watch	SPC	Bosque, Comanche, Dallas, Eastland, Ellis, Erath and 12 more	5 hr
May 26, 7:46 PM CDT	Mesoscale Discussion	SPC	Foard, Hardeman, Wichita, Wilbarger	59 min
May 26, 9:14 PM CDT	Mesoscale Discussion	SPC	Archer, Bandera, Baylor, Brown, Burnet, Callahan and 47 more	61 min
May 26, 10:04 PM CDT	Mesoscale Discussion	SPC	Bastrop, Bexar, Blanco, Caldwell, Comal, Fayette and 6 more	56 min
May 26, 10:17 PM CDT	Severe Thunderstorm Watch	SPC	Bandera, Bastrop, Blanco, Burnet, Caldwell, Comal and 9 more	6 hr
May 27, 1:30 AM CDT	Mesoscale Discussion	SPC	Brown, Callahan, Coleman, Comanche, Concho, Eastland and 9 more	60 min
May 27, 2:14 AM CDT	Mesoscale Discussion	SPC	Austin, Chambers, Colorado, Fayette, Fort Bend, Harris and 4 more	61 min
May 27, 2:38 AM CDT	Severe Thunderstorm Watch	SPC	Austin, Brazoria, Chambers, Colorado, Fort Bend, Galveston and 16 more	5 hr
May 27, 5:50 AM CDT	Mesoscale Discussion	SPC	Chambers, Hardin, Jasper, Jefferson, Newton, Orange and 1 more	25 min
May 27, 12:57 PM CDT	Mesoscale Discussion	SPC	Angelina, Austin, Bastrop, Brazoria, Caldwell, Chambers and 28 more	63 min
May 27, 2:04 PM CDT	Severe Thunderstorm Watch	SPC	Chambers, Hardin, Jasper, Jefferson, Liberty, Newton and 3 more	6 hr
May 27, 4:03 PM CDT	Mesoscale Discussion	SPC	Austin, Bee, Brazoria, Calhoun, Chambers, Colorado and 27 more	117 min

Nearby

Mesoscale Discussions in Texas, 2016 Every mesoscale discussion in 2016

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.