Alert archive / Texas / Mesoscale Discussions in 2005

Mesoscale Discussion 393

March 26, 200554 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Mar 26, 2005, 12:56 AM CST for 54 counties in Texas. It was in force for 94 min.

The area

The outline as issued.

The facts

Issued
Mar 26, 2005, 12:56 AM CST (06:56 UTC)
Expired
Mar 26, 2005, 2:30 AM CST
In force
94 min
Issued by
the Storm Prediction Center
All 54 counties

Bandera County, TX, Bastrop County, TX, Bell County, TX, Blanco County, TX, Bosque County, TX, Brown County, TX, Burnet County, TX, Caldwell County, TX, Callahan County, TX, Coke County, TX, Coleman County, TX, Comal County, TX, Comanche County, TX, Concho County, TX, Coryell County, TX, Crockett County, TX, Eastland County, TX, Edwards County, TX, Erath County, TX, Gillespie County, TX, Glasscock County, TX, Guadalupe County, TX, Hamilton County, TX, Hays County, TX, Hill County, TX, Hood County, TX, Irion County, TX, Johnson County, TX, Kendall County, TX, Kerr County, TX, Kimble County, TX, Kinney County, TX, Lampasas County, TX, Llano County, TX, Mason County, TX, McCulloch County, TX, McLennan County, TX, Menard County, TX, Mills County, TX, Mitchell County, TX, Nolan County, TX, Reagan County, TX, Real County, TX, Runnels County, TX, San Saba County, TX, Schleicher County, TX, Somervell County, TX, Sterling County, TX, Sutton County, TX, Taylor County, TX, Tom Green County, TX, Travis County, TX, Val Verde County, TX, Williamson County, TX

The radar

The San Angelo radar (KSJT), 120 km from the middle of the area, began a volume at 06:59 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 watches that followed

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

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 6.9 hours before the alert went out and 253 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 2005-03-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1262 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 2005-03-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 square meters per square second.1939587897Sfc1 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
1262 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
1436 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
106 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

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 25, 8:02 PM CSTMesoscale DiscussionSPCAnderson, Bell, Bosque, Brazos, Brown, Burleson and 51 more118 min
Mar 25, 8:20 PM CSTSevere Thunderstorm WatchSPCAngelina, Austin, Bastrop, Bell, Blanco, Brazos and 24 more6 hr
Mar 25, 10:25 PM CSTMesoscale DiscussionSPCAustin, Brazos, Burleson, Fayette, Grimes, Houston and 12 more95 min
Mar 26, 1:25 AM CSTSevere Thunderstorm WatchSPCBandera, Borden, Brown, Callahan, Coke, Coleman and 35 more7 hr
Mar 26, 4:20 AM CSTMesoscale DiscussionSPCBandera, Blanco, Borden, Brown, Callahan, Coke and 45 more115 min
Mar 26, 6:12 AM CSTMesoscale DiscussionSPCBandera, Bell, Blanco, Bosque, Brown, Burnet and 42 more63 min
Mar 26, 6:40 AM CSTSevere Thunderstorm WatchSPCAnderson, Bell, Blanco, Bosque, Burnet, Concho and 30 more7 hr
Mar 26, 10:05 AM CSTMesoscale DiscussionSPCAnderson, Angelina, Atascosa, Austin, Bastrop, Bell and 42 more115 min
Mar 26, 12:42 PM CSTMesoscale DiscussionSPCLoving2 hr
Mar 26, 4:42 PM CSTMesoscale DiscussionSPCBowie, Camp, Cass, Marion, Morris, Red River and 1 more2 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.