Alert archive / Texas / Mesoscale Discussions in 2006

Mesoscale Discussion 759

May 4, 200655 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 4, 2006, 7:24 PM CDT for 55 counties in Texas. It was in force for 96 min.

The area

The outline as issued.

The facts

Issued
May 4, 2006, 7:24 PM CDT (00:24 UTC)
Expired
May 4, 2006, 9:00 PM CDT
In force
96 min
Issued by
the Storm Prediction Center
All 55 counties

Andrews County, TX, Bastrop County, TX, Bell County, TX, Blanco County, TX, Borden County, TX, Brown County, TX, Burnet County, TX, Callahan County, TX, Coke County, TX, Coleman County, TX, Comanche County, TX, Concho County, TX, Coryell County, TX, Crane County, TX, Crockett County, TX, Dawson County, TX, Ector County, TX, Falls County, TX, Fayette County, TX, Gaines County, TX, Gillespie County, TX, Glasscock County, TX, Hamilton County, TX, Hays County, TX, Howard County, TX, Irion County, TX, Kimble County, TX, Lampasas County, TX, Lee County, TX, Llano County, TX, Martin County, TX, Mason County, TX, McCulloch County, TX, McLennan County, TX, Menard County, TX, Midland County, TX, Milam County, TX, Mills County, TX, Mitchell County, TX, Nolan County, TX, Reagan County, TX, Runnels County, TX, San Saba County, TX, Schleicher County, TX, Scurry County, TX, Sterling County, TX, Sutton County, TX, Taylor County, TX, Terry County, TX, Tom Green County, TX, Travis County, TX, Upton County, TX, Williamson County, TX, Winkler County, TX, Yoakum County, TX

The radar

The San Angelo radar (KSJT), 66 km from the middle of the area, began a volume at 00:27 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

Midland Regional, TX (KMAF), launched 00:00Z, 0.4 hours before the alert went out and 122 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 2006-05-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1712 joules per kilogram.LCLEL10008507005003002001001 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 2006-05-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 114 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
1712 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
2327 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
114 m²/s²
0-3 km storm-relative helicity
275 m²/s²
Significant tornado parameter
0.0
Supercell composite
15.0

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
May 4, 9:12 PM CDTMesoscale DiscussionSPCAndrews, Atascosa, Bandera, Bastrop, Bell, Bexar and 71 more93 min
May 4, 10:00 PM CDTSevere Thunderstorm WatchSPCBandera, Bastrop, Bexar, Blanco, Borden, Brown and 45 more6 hr
May 5, 1:25 AM CDTMesoscale DiscussionSPCDallas, Denton, Hood, Jack, Johnson, Palo Pinto and 5 more2 hr
May 5, 12:36 PM CDTMesoscale DiscussionSPCAndrews, Coke, Concho, Crane, Ector, Glasscock and 10 more84 min
May 5, 1:08 PM CDTTornado WatchSPCAndrews, Borden, Brown, Coke, Coleman, Concho and 29 more9 hr
May 5, 3:34 PM CDTMesoscale DiscussionSPCBandera, Edwards, Kerr, Medina, Real, Terrell and 2 more116 min
May 5, 3:35 PM CDTMesoscale DiscussionSPCBandera, Edwards, Kerr, Medina, Real, Terrell and 2 more115 min
May 5, 4:26 PM CDTTornado WatchSPCBailey, Callahan, Cochran, Crosby, Dickens, Fisher and 16 more5 hr
May 5, 5:02 PM CDTSevere Thunderstorm WatchSPCAtascosa, Bandera, Bexar, Blanco, Burnet, Comal and 20 more7 hr
May 5, 6:49 PM CDTMesoscale DiscussionSPCAndrews, Archer, Bailey, Baylor, Borden, Brown and 75 more86 min

Nearby

Mesoscale Discussions in Texas, 2006Every mesoscale discussion in 2006

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.