Alert archive / Texas / Mesoscale Discussions in 2004

Mesoscale Discussion 1291

June 15, 20044 counties in New Mexico; 11 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jun 15, 2004, 2:05 PM MDT for 4 counties in New Mexico; 11 counties in Texas. It was in force for 115 min.

The area

The outline as issued.

The facts

Issued: Jun 15, 2004, 2:05 PM MDT (20:05 UTC)
Expired: Jun 15, 2004, 4:00 PM MDT
In force: 115 min
Issued by: the Storm Prediction Center

Counties Curry County, NM, Lea County, NM, Quay County, NM, Roosevelt County, NM, Bailey County, TX, Brewster County, TX, Dallam County, TX, Deaf Smith County, TX, Hartley County, TX, Jeff Davis County, TX, Loving County, TX, Oldham County, TX, Parmer County, TX, Presidio County, TX, Reeves County, TX

The radar

The Lubbock radar (KLBB), 150 km from the middle of the area, began a volume at 20:06 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 12:00Z, 8.1 hours before the alert went out and 172 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: 990 J/kg
Mixed-layer CIN: -555 J/kg
Mixed-layer LCL: 1896 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: -31 m²/s²
0-3 km storm-relative helicity: 14 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
Jun 15, 12:53 PM MDT	Mesoscale Discussion	SPC	Colfax, Union	2 hr
Jun 15, 12:30 PM MDT	Mesoscale Discussion	SPC	Bell, Blanco, Bosque, Burnet, Comanche, Coryell and 14 more	90 min

Nearby

Mesoscale Discussions in Texas, 2004 Mesoscale Discussions in New Mexico, 2004 Every mesoscale discussion in 2004

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.