Alert archive / Texas / Mesoscale Discussions in 2014

Mesoscale Discussion 534

May 8, 201411 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 8, 2014, 9:41 PM CDT for 11 counties in Texas. It was in force for 64 min.

The area

The outline as issued.

The facts

Issued: May 8, 2014, 9:41 PM CDT (02:41 UTC)
Expired: May 8, 2014, 10:45 PM CDT
In force: 64 min
Issued by: the Storm Prediction Center

Counties Bell County, TX, Blanco County, TX, Burnet County, TX, Falls County, TX, Gillespie County, TX, Hays County, TX, Kendall County, TX, Milam County, TX, Robertson County, TX, Travis County, TX, Williamson County, TX

The radar

The Ft Hood radar (KGRK), 39 km from the middle of the area, began a volume at 02:42 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, 2.7 hours before the alert went out and 243 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1055 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 47 m²/s²
0-3 km storm-relative helicity: -47 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 8, 8:20 PM CDT	Mesoscale Discussion	SPC	Bell, Blanco, Burnet, Comal, Falls, Gillespie and 8 more	55 min
May 9, 9:46 AM CDT	Mesoscale Discussion	SPC	Bandera, Kerr, Kinney, Maverick, Medina, Real and 2 more	2 hr
May 9, 10:39 AM CDT	Severe Thunderstorm Watch	SPC	Atascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 26 more	6 hr
May 9, 2:00 PM CDT	Mesoscale Discussion	SPC	Anderson, Atascosa, Austin, Bandera, Bastrop, Bell and 45 more	90 min
May 9, 3:18 PM CDT	Mesoscale Discussion	SPC	Angelina, Bowie, Camp, Cass, Cherokee, Franklin and 14 more	117 min
May 9, 4:34 PM CDT	Mesoscale Discussion	SPC	Bee, Brooks, Duval, Jim Hogg, Jim Wells, Kleberg and 6 more	116 min
May 9, 4:55 PM CDT	Severe Thunderstorm Watch	SPC	Brooks, Cameron, Duval, Hidalgo, Jim Hogg, Jim Wells and 7 more	6 hr
May 9, 6:14 PM CDT	Mesoscale Discussion	SPC	Anderson, Bowie, Camp, Cass, Cherokee, Ellis and 18 more	61 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.