Alert archive / Texas / Mesoscale Discussions in 2004

Mesoscale Discussion 183

March 14, 200425 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Mar 14, 2004, 3:23 PM CST for 25 counties in Texas. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Mar 14, 2004, 3:23 PM CST (21:23 UTC)
Expired
Mar 14, 2004, 5:30 PM CST
In force
2 hr
Issued by
the Storm Prediction Center
All 25 counties

Bandera County, TX, Bexar County, TX, Blanco County, TX, Brewster County, TX, Comal County, TX, Crockett County, TX, Edwards County, TX, Frio County, TX, Gillespie County, TX, Guadalupe County, TX, Hays County, TX, Kendall County, TX, Kerr County, TX, Kimble County, TX, Kinney County, TX, Medina County, TX, Pecos County, TX, Presidio County, TX, Real County, TX, Sutton County, TX, Terrell County, TX, Uvalde County, TX, Val Verde County, TX, Wilson County, TX, Zavala County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 9.4 hours before the alert went out and 68 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, Del Rio, TX at 12:00Z on 2004-03-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 672 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, Del Rio, TX at 12:00Z on 2004-03-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -15 square meters per square second.19395878Sfc1 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
672 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
519 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
-15 m²/s²
0-3 km storm-relative helicity
-66 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.3

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
Mar 14, 3:35 AM CSTMesoscale DiscussionSPCBee, Brooks, Duval, Jim Hogg, Jim Wells, Kenedy and 8 more55 min
Mar 14, 12:07 PM CSTMesoscale DiscussionSPCAtascosa, Bandera, Bee, Bexar, Brooks, Comal and 41 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.