Alert archive / Texas / Mesoscale Discussions in 2008

Mesoscale Discussion 592

April 8, 200822 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Apr 8, 2008, 8:06 PM CDT for 22 counties in Texas. It was in force for 114 min.

The area

The outline as issued.

The facts

Issued: Apr 8, 2008, 8:06 PM CDT (01:06 UTC)
Expired: Apr 8, 2008, 10:00 PM CDT
In force: 114 min
Issued by: the Storm Prediction Center

All 22 counties

Bell County, TX, Bosque County, TX, Burnet County, TX, Coryell County, TX, Ellis County, TX, Falls County, TX, Freestone County, TX, Hamilton County, TX, Henderson County, TX, Hill County, TX, Kaufman County, TX, Lampasas County, TX, Limestone County, TX, Llano County, TX, Mason County, TX, McCulloch County, TX, McLennan County, TX, Menard County, TX, Mills County, TX, Navarro County, TX, San Saba County, TX, Van Zandt County, TX

The radar

The Ft Hood radar (KGRK), 116 km from the middle of the area, began a volume at 01:08 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 1.1 hours before the alert went out and 159 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: 209 J/kg
Mixed-layer CIN: -242 J/kg
Mixed-layer LCL: 1167 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: -1 m²/s²
0-3 km storm-relative helicity: 105 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.3

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
Apr 8, 7:33 PM CDT	Mesoscale Discussion	SPC	Bowie, Camp, Cass, Franklin, Gregg, Harrison and 6 more	117 min
Apr 8, 8:48 PM CDT	Tornado Watch	SPC	Bell, Burnet, Coryell, Falls, Gillespie, Kimble and 11 more	2 hr
Apr 8, 10:36 PM CDT	Mesoscale Discussion	SPC	Bosque, Bowie, Brown, Camp, Cass, Collin and 34 more	84 min
Apr 8, 11:51 PM CDT	Severe Thunderstorm Watch	SPC	Bosque, Bowie, Camp, Cass, Collin, Comanche and 39 more	5 hr
Apr 9, 3:29 AM CDT	Mesoscale Discussion	SPC	Bosque, Bowie, Camp, Cass, Collin, Comanche and 39 more	61 min
Apr 9, 6:00 AM CDT	Mesoscale Discussion	SPC	Armstrong, Bailey, Briscoe, Castro, Childress, Cochran and 22 more	60 min
Apr 9, 6:27 AM CDT	Severe Thunderstorm Watch	SPC	Andrews, Armstrong, Bailey, Borden, Briscoe, Carson and 36 more	8 hr
Apr 9, 9:06 AM CDT	Mesoscale Discussion	SPC	Andrews, Archer, Armstrong, Bailey, Baylor, Borden and 64 more	54 min
Apr 9, 9:35 AM CDT	Severe Thunderstorm Watch	SPC	Archer, Baylor, Clay, Fisher, Foard, Hardeman and 14 more	6 hr
Apr 9, 12:24 PM CDT	Mesoscale Discussion	SPC	Archer, Armstrong, Baylor, Briscoe, Carson, Childress and 37 more	66 min
Apr 9, 12:46 PM CDT	Mesoscale Discussion	SPC	Bosque, Brown, Callahan, Coke, Coleman, Comanche and 41 more	59 min
Apr 9, 1:20 PM CDT	Tornado Watch PDS	SPC	Bosque, Brown, Callahan, Coke, Coleman, Comanche and 40 more	7 hr
Apr 9, 3:33 PM CDT	Mesoscale Discussion	SPC	Collin, Cooke, Dallas, Delta, Denton, Ellis and 16 more	27 min
Apr 9, 3:48 PM CDT	Tornado Watch PDS	SPC	Anderson, Collin, Cooke, Dallas, Delta, Denton and 22 more	7 hr
Apr 9, 4:01 PM CDT	Mesoscale Discussion	SPC	Cass, Harrison, Marion	59 min
Apr 9, 5:12 PM CDT	Mesoscale Discussion	SPC	Archer, Baylor, Bell, Borden, Bosque, Brown and 51 more	63 min
Apr 9, 6:12 PM CDT	Mesoscale Discussion	SPC	Briscoe, Childress, Cottle, Crosby, Dickens, Floyd and 13 more	63 min
Apr 9, 6:55 PM CDT	Severe Thunderstorm Watch	SPC	Archer, Baylor, Childress, Clay, Cottle, Dickens and 8 more	8 hr
Apr 9, 6:59 PM CDT	Mesoscale Discussion	SPC	Brown, Callahan, Coke, Coleman, Comanche, Concho and 34 more	61 min

Nearby

Mesoscale Discussions in Texas, 2008 Every mesoscale discussion in 2008

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.