Alert archive / Texas / Mesoscale Discussions in 2006

Mesoscale Discussion 301

March 17, 20066 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Mar 17, 2006, 6:29 PM CST for 6 counties in Texas. It was in force for 91 min.

The area

The outline as issued.

The facts

Issued: Mar 17, 2006, 6:29 PM CST (00:29 UTC)
Expired: Mar 17, 2006, 8:00 PM CST
In force: 91 min
Issued by: the Storm Prediction Center

Counties Crane County, TX, Crockett County, TX, Pecos County, TX, Terrell County, TX, Upton County, TX, Val Verde County, TX

The radar

The Midland/Odessa radar (KMAF), 170 km from the middle of the area, began a volume at 00:30 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

Midland Regional, TX (KMAF), launched 00:00Z, 0.5 hours before the alert went out and 171 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: 1803 m above ground
0-6 km bulk shear: 70 kt
0-1 km storm-relative helicity: 300 m²/s²
0-3 km storm-relative helicity: 339 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

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 18, 5:26 AM CST	Mesoscale Discussion	SPC	Andrews, Borden, Brown, Callahan, Coke, Coleman and 28 more	34 min
Mar 18, 6:31 AM CST	Mesoscale Discussion	SPC	Armstrong, Baylor, Borden, Briscoe, Callahan, Childress and 40 more	29 min
Mar 18, 9:26 AM CST	Mesoscale Discussion	SPC	Archer, Armstrong, Baylor, Bosque, Briscoe, Callahan and 55 more	3 hr
Mar 18, 11:04 AM CST	Severe Thunderstorm Watch	SPC	Anderson, Archer, Baylor, Borden, Bosque, Briscoe and 72 more	4 hr
Mar 18, 1:30 PM CST	Mesoscale Discussion	SPC	Archer, Baylor, Borden, Bosque, Callahan, Castro and 55 more	2 hr
Mar 18, 5:13 PM CST	Mesoscale Discussion	SPC	Andrews, Borden, Coke, Crane, Crockett, Dawson and 22 more	2 hr

Nearby

Mesoscale Discussions in Texas, 2006 Every mesoscale discussion in 2006

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.