Alert archive / Texas / Mesoscale Discussions in 2003

Mesoscale Discussion 1391

June 14, 200315 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jun 14, 2003, 11:10 PM CDT for 15 counties in Texas. It was in force for 95 min.

The area

The outline as issued.

The facts

Issued
Jun 14, 2003, 11:10 PM CDT (04:10 UTC)
Expired
Jun 15, 2003, 12:45 AM CDT
In force
95 min
Issued by
the Storm Prediction Center

Counties Crane County, TX, Crockett County, TX, Edwards County, TX, Irion County, TX, Kerr County, TX, Kimble County, TX, Kinney County, TX, Pecos County, TX, Reagan County, TX, Real County, TX, Schleicher County, TX, Sutton County, TX, Terrell County, TX, Upton County, TX, Val Verde County, TX

The watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 4.2 hours before the alert went out and 152 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, Midland Regional, TX at 00:00Z on 2003-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1554 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, Midland Regional, TX at 00:00Z on 2003-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 square meters per square second.1939Sfc1 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
1554 J/kg
Mixed-layer CIN
-109 J/kg
Mixed-layer LCL
1959 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
74 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

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, 11:40 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
Jun 15, 5:05 AM CDTMesoscale DiscussionSPCDimmit, Frio, Kinney, La Salle, Maverick, Uvalde and 1 more115 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.