Alert archive / Texas / Mesoscale Discussions in 2004

Mesoscale Discussion 2006

August 14, 20044 counties in New Mexico; Cimarron County, Oklahoma; 12 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Aug 14, 2004, 6:52 PM MDT for 4 counties in New Mexico; Cimarron County, Oklahoma; 12 counties in Texas. It was in force for 113 min.

The area

The outline as issued.

The facts

Issued: Aug 14, 2004, 6:52 PM MDT (00:52 UTC)
Expired: Aug 14, 2004, 8:45 PM MDT
In force: 113 min
Issued by: the Storm Prediction Center

Counties Curry County, NM, Harding County, NM, Quay County, NM, Union County, NM, Cimarron County, OK, Castro County, TX, Dallam County, TX, Deaf Smith County, TX, Hansford County, TX, Hartley County, TX, Hutchinson County, TX, Moore County, TX, Oldham County, TX, Parmer County, TX, Potter County, TX, Randall County, TX, Sherman County, TX

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 0.9 hours before the alert went out and 119 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: 1362 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 875 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 106 m²/s²
0-3 km storm-relative helicity: 262 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 5.1

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
Aug 15, 1:55 PM MDT	Mesoscale Discussion	SPC	Chaves, Doña Ana, Eddy, Lea, Lincoln, Otero and 2 more	3 hr

Nearby

Mesoscale Discussions in Texas, 2004 Mesoscale Discussions in New Mexico, 2004 Mesoscale Discussions in Oklahoma, 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.