Alert archive / Texas / Mesoscale Discussions in 2008

Mesoscale Discussion 325

March 2, 200818 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Mar 2, 2008, 11:04 PM CST for 18 counties in Texas. It was in force for 56 min.

The area

The outline as issued.

The facts

Issued: Mar 2, 2008, 11:04 PM CST (05:04 UTC)
Expired: Mar 3, 2008, 12:00 AM CST
In force: 56 min
Issued by: the Storm Prediction Center

Counties Brown County, TX, Callahan County, TX, Coke County, TX, Coleman County, TX, Comanche County, TX, Concho County, TX, Eastland County, TX, Erath County, TX, Hood County, TX, Irion County, TX, McCulloch County, TX, Menard County, TX, Palo Pinto County, TX, Runnels County, TX, Schleicher County, TX, Stephens County, TX, Taylor County, TX, Tom Green County, TX

The radar

The San Angelo radar (KSJT), 76 km from the middle of the area, began a volume at 05:04 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.

Severe Thunderstorm Watch 88Mar 2, 11:25 PM CST

The nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 5.1 hours before the alert went out and 227 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: 5029 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 93 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
Mar 2, 6:05 PM CST	Tornado Watch	SPC	Bosque, Callahan, Collin, Comanche, Cooke, Dallas and 28 more	8 hr
Mar 2, 8:01 PM CST	Mesoscale Discussion	SPC	Collin, Delta, Fannin, Franklin, Grayson, Hopkins and 4 more	59 min
Mar 2, 8:23 PM CST	Tornado Watch	SPC	Bowie, Camp, Cass, Franklin, Morris, Red River and 3 more	8 hr
Mar 2, 11:27 PM CST	Severe Thunderstorm Watch	SPC	Brown, Coke, Coleman, Concho, Crockett, Irion and 13 more	5 hr
Mar 3, 1:36 AM CST	Mesoscale Discussion	SPC	Anderson, Bell, Bosque, Bowie, Burnet, Camp and 31 more	54 min
Mar 3, 1:57 AM CST	Tornado Watch	SPC	Anderson, Bell, Bosque, Collin, Comanche, Coryell and 26 more	6 hr
Mar 3, 3:01 AM CST	Mesoscale Discussion	SPC	Bowie, Camp, Cass, Franklin, Harrison, Marion and 4 more	89 min
Mar 3, 3:24 AM CST	Mesoscale Discussion	SPC	Bastrop, Blanco, Brazos, Burleson, Burnet, Grimes and 9 more	96 min
Mar 3, 5:21 AM CST	Mesoscale Discussion	SPC	Anderson, Angelina, Bowie, Brazos, Burleson, Camp and 28 more	84 min
Mar 3, 6:47 AM CST	Severe Thunderstorm Watch	SPC	Angelina, Austin, Bowie, Brazoria, Brazos, Burleson and 43 more	6 hr
Mar 3, 10:18 AM CST	Mesoscale Discussion	SPC	Angelina, Austin, Bowie, Brazoria, Brazos, Burleson and 43 more	87 min
Mar 3, 10:36 AM CST	Tornado Watch	SPC	Hardin, Jasper, Jefferson, Newton, Orange, Sabine and 3 more	9 hr

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.