Alert archive / Texas / Mesoscale Discussions in 2003

Mesoscale Discussion 1393

June 15, 20037 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jun 15, 2003, 5:05 AM CDT for 7 counties in Texas. It was in force for 115 min.

The area

The outline as issued.

The facts

Issued
Jun 15, 2003, 5:05 AM CDT (10:05 UTC)
Expired
Jun 15, 2003, 7:00 AM CDT
In force
115 min
Issued by
the Storm Prediction Center

Counties Dimmit County, TX, Frio County, TX, Kinney County, TX, La Salle County, TX, Maverick County, TX, Uvalde County, TX, Zavala County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 10.1 hours before the alert went out and 70 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 00:00Z on 2003-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3317 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 00:00Z on 2003-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -42 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
3317 J/kg
Mixed-layer CIN
-59 J/kg
Mixed-layer LCL
985 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
-42 m²/s²
0-3 km storm-relative helicity
32 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.5

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
Jun 14, 11:10 PM CDTMesoscale DiscussionSPCCrane, Crockett, Edwards, Irion, Kerr, Kimble and 9 more95 min
Jun 14, 11:40 PM CDTSevere Thunderstorm WatchSPCAtascosa, Bandera, Bastrop, Bell, Bexar, Blanco and 38 more5 hr
Jun 15, 2:56 AM CDTMesoscale DiscussionSPCBandera, Bastrop, Bell, Bexar, Blanco, Bosque and 32 more94 min

Nearby

Mesoscale Discussions in Texas, 2003Every mesoscale discussion in 2003

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.