Alert archive / Texas / Mesoscale Discussions in 2005

Mesoscale Discussion 2466

November 25, 200519 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Nov 25, 2005, 10:50 PM CST for 19 counties in Texas. It was in force for 115 min.

The area

The outline as issued.

The facts

Issued
Nov 25, 2005, 10:50 PM CST (04:50 UTC)
Expired
Nov 26, 2005, 12:45 AM CST
In force
115 min
Issued by
the Storm Prediction Center

Counties Atascosa County, TX, Bandera County, TX, Bee County, TX, Bexar County, TX, Comal County, TX, DeWitt County, TX, Duval County, TX, Frio County, TX, Goliad County, TX, Gonzales County, TX, Guadalupe County, TX, Jim Wells County, TX, Karnes County, TX, La Salle County, TX, Live Oak County, TX, McMullen County, TX, Medina County, TX, Webb County, TX, Wilson County, TX

The radar

The Corpus Christi radar (KCRP), 114 km from the middle of the area, began a volume at 04:53 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

Corpus Christi, TX (KCRP), launched 00:00Z, 4.8 hours before the alert went out and 131 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, Corpus Christi, TX at 00:00Z on 2005-11-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 554 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, Corpus Christi, TX at 00:00Z on 2005-11-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 square meters per square second.1939587897117136Sfc1 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
554 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
995 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
58 m²/s²
0-3 km storm-relative helicity
73 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
Nov 26, 10:05 AM CSTMesoscale DiscussionSPCGalveston, Jefferson2 hr

Nearby

Mesoscale Discussions in Texas, 2005Every mesoscale discussion in 2005

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.