Alert archive / Texas / Severe Thunderstorm Watches in 2005

Severe Thunderstorm Watch 346

May 29, 200516 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at May 29, 2005, 1:20 AM CDT for 16 counties in Texas. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
May 29, 2005, 1:20 AM CDT (06:20 UTC)
Expired
May 29, 2005, 5:00 AM CDT
In force
4 hr
Issued by
the Storm Prediction Center

Counties Austin County, TX, Brazoria County, TX, Calhoun County, TX, Chambers County, TX, Colorado County, TX, Fort Bend County, TX, Galveston County, TX, Harris County, TX, Jackson County, TX, Liberty County, TX, Matagorda County, TX, Montgomery County, TX, Polk County, TX, San Jacinto County, TX, Waller County, TX, Wharton County, TX

The radar

The Houston radar (KHGX), 74 km from the middle of the area, began a volume at 06:23 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.

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 6.3 hours before the alert went out and 251 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, Corpus Christi, TX at 00:00Z on 2005-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1278 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, Corpus Christi, TX at 00:00Z on 2005-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 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
1278 J/kg
Mixed-layer CIN
-173 J/kg
Mixed-layer LCL
1173 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
56 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 28, 7:05 PM CDTSevere Thunderstorm WatchSPCAnderson, Bell, Burnet, Cherokee, Concho, Coryell and 19 more5 hr
May 28, 8:19 PM CDTMesoscale DiscussionSPCAtascosa, Bandera, Bexar, Dimmit, Frio, Kendall and 7 more86 min
May 28, 8:25 PM CDTSevere Thunderstorm WatchSPCAtascosa, Bandera, Bexar, Blanco, Comal, Dimmit and 10 more4 hr
May 28, 10:08 PM CDTMesoscale DiscussionSPCAtascosa, Bell, Bexar, Blanco, Burnet, Caldwell and 11 more97 min
May 28, 11:40 PM CDTSevere Thunderstorm WatchSPCAtascosa, Bastrop, Bee, Bexar, Blanco, Caldwell and 15 more5 hr
May 29, 12:57 AM CDTMesoscale DiscussionSPCAransas, Atascosa, Austin, Bastrop, Bee, Bexar and 46 more93 min
May 29, 4:12 AM CDTMesoscale DiscussionSPCAustin, Brazoria, Calhoun, Chambers, Colorado, Fort Bend and 10 more2 hr
May 29, 11:47 AM CDTMesoscale DiscussionSPCAransas, Bee, Brazoria, Calhoun, Colorado, DeWitt and 13 more58 min
May 29, 12:56 PM CDTMesoscale DiscussionSPCDallam, Deaf Smith, Hartley, Oldham2 hr
May 29, 1:42 PM CDTMesoscale DiscussionSPCAransas, Bee, Brazoria, Calhoun, Colorado, DeWitt and 13 more93 min
May 29, 2:20 PM CDTTornado WatchSPCAtascosa, Austin, Bastrop, Bee, Bexar, Brazoria and 41 more9 hr
May 29, 3:48 PM CDTMesoscale DiscussionSPCBell, Bosque, Burnet, Comanche, Coryell, Ellis and 18 more87 min
May 29, 4:40 PM CDTMesoscale DiscussionSPCBell, Blanco, Bosque, Burnet, Comanche, Coryell and 20 more95 min
May 29, 4:45 PM CDTSevere Thunderstorm WatchSPCAngelina, Hardin, Jasper, Nacogdoches, Newton, Polk and 6 more7 hr
May 29, 5:05 PM CDTSevere Thunderstorm WatchSPCAnderson, Bell, Blanco, Burnet, Coryell, Falls and 9 more6 hr
May 29, 5:30 PM CDTSevere Thunderstorm WatchSPCBrooks, Duval, Hidalgo, Jim Hogg, Jim Wells, Kenedy and 5 more7 hr
May 29, 6:20 PM CDTMesoscale DiscussionSPCAngelina, Hardin, Jasper, Nacogdoches, Newton, Polk and 6 more85 min
May 29, 6:42 PM CDTMesoscale DiscussionSPCAtascosa, Austin, Bastrop, Bee, Bexar, Brazoria and 39 more93 min

Nearby

Severe Thunderstorm Watches in Texas, 2005Every severe thunderstorm watch 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.