Alert archive / New Mexico / Mesoscale Discussions in 2004

Mesoscale Discussion 2423

November 22, 2004Graham County, Greenlee County, Arizona; 6 counties in New Mexico; El Paso County, Hudspeth County, Texas

The Storm Prediction Center issued this mesoscale discussion at Nov 22, 2004, 2:31 PM MST for Graham County, Greenlee County, Arizona; 6 counties in New Mexico; El Paso County, Hudspeth County, Texas. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Nov 22, 2004, 2:31 PM MST (21:31 UTC)
Expired: Nov 22, 2004, 5:00 PM MST
In force: 2 hr
Issued by: the Storm Prediction Center

Counties Graham County, AZ, Greenlee County, AZ, Doña Ana County, NM, Grant County, NM, Hidalgo County, NM, Luna County, NM, Otero County, NM, Sierra County, NM, El Paso County, TX, Hudspeth County, TX

The radar

The El Paso radar (KEPZ), 77 km from the middle of the area, began a volume at 21:34 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

Santa Teresa, NM (KEPZ), launched 12:00Z, 9.5 hours before the alert went out and 77 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: 16 J/kg
Mixed-layer CIN: -122 J/kg
Mixed-layer LCL: 1233 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 78 m²/s²
0-3 km storm-relative helicity: 181 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
Nov 22, 5:18 AM MST	Mesoscale Discussion	SPC	Austin, Bastrop, Bexar, Caldwell, Chambers, Colorado and 19 more	87 min
Nov 22, 8:10 AM MST	Tornado Watch	SPC	Austin, Bexar, Caldwell, Chambers, Colorado, DeWitt and 17 more	5 hr
Nov 22, 9:49 AM MST	Mesoscale Discussion	SPC	Atascosa, Austin, Bexar, Brazoria, Chambers, Colorado and 21 more	116 min
Nov 22, 11:56 AM MST	Mesoscale Discussion	SPC	Atascosa, Austin, Bexar, Brazoria, Chambers, Colorado and 20 more	64 min
Nov 22, 12:35 PM MST	Tornado Watch	SPC	Austin, Bexar, Caldwell, Chambers, Colorado, DeWitt and 16 more	5 hr
Nov 22, 2:34 PM MST	Mesoscale Discussion	SPC	Austin, Bee, Brazoria, Calhoun, Chambers, Colorado and 18 more	116 min

Nearby

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