Alert archive / Texas / Mesoscale Discussions in 2004

Mesoscale Discussion 2302

October 5, 2004Eddy County, Lea County, New Mexico; 13 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Oct 5, 2004, 9:32 PM MDT for Eddy County, Lea County, New Mexico; 13 counties in Texas. It was in force for 118 min.

The area

The outline as issued.

The facts

Issued: Oct 5, 2004, 9:32 PM MDT (03:32 UTC)
Expired: Oct 5, 2004, 11:30 PM MDT
In force: 118 min
Issued by: the Storm Prediction Center

Counties Eddy County, NM, Lea County, NM, Andrews County, TX, Crane County, TX, Culberson County, TX, Ector County, TX, Gaines County, TX, Hudspeth County, TX, Jeff Davis County, TX, Loving County, TX, Pecos County, TX, Reeves County, TX, Ward County, TX, Winkler County, TX, Yoakum County, TX

The radar

The Midland/Odessa radar (KMAF), 168 km from the middle of the area, began a volume at 03:33 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 853Oct 5, 9:50 PM MDT

The nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 3.5 hours before the alert went out and 167 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: 1149 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 922 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 105 m²/s²
0-3 km storm-relative helicity: 223 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 5.9

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
Oct 5, 7:45 PM MDT	Mesoscale Discussion	SPC	Chaves, Eddy, Lea, Otero	2 hr
Oct 5, 9:50 PM MDT	Severe Thunderstorm Watch	SPC	Lea	4 hr
Oct 6, 12:23 AM MDT	Mesoscale Discussion	SPC	Borden, Crane, Culberson, Ector, Garza, Glasscock and 12 more	97 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.