Alert archive / Texas / Mesoscale Discussions in 2004

Mesoscale Discussion 2304

October 6, 2004Culberson County, Hudspeth County, Jeff Davis County, Texas

The Storm Prediction Center issued this mesoscale discussion at Oct 6, 2004, 7:23 PM CDT for Culberson County, Hudspeth County, Jeff Davis County, Texas. It was in force for 67 min.

The area

The outline as issued.

The facts

Issued
Oct 6, 2004, 7:23 PM CDT (00:23 UTC)
Expired
Oct 6, 2004, 8:30 PM CDT
In force
67 min
Issued by
the Storm Prediction Center

Counties Culberson County, TX, Hudspeth County, TX, Jeff Davis County, TX

The radar

The El Paso radar (KEPZ), 181 km from the middle of the area, began a volume at 00:25 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 00:00Z, 0.4 hours before the alert went out and 181 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-pSkew-T log-p diagram, Santa Teresa, NM at 00:00Z on 2004-10-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 58 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Santa Teresa, NM at 00:00Z on 2004-10-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
58 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
3026 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
149 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.

IssuedProductOfficeCountiesLasted
Oct 7, 2:03 AM CDTMesoscale DiscussionSPCAndrews, Crane, Ector, Midland, Pecos, Upton and 2 more57 min
Oct 7, 3:09 PM CDTMesoscale DiscussionSPCBriscoe, Carson, Childress, Collingsworth, Cottle, Donley and 9 more2 hr

Nearby

Mesoscale Discussions in Texas, 2004Every 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.