Alert archive / Texas / Severe Thunderstorm Watches in 2005

Severe Thunderstorm Watch 229

May 8, 200517 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at May 8, 2005, 1:50 AM CDT for 17 counties in Texas. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
May 8, 2005, 1:50 AM CDT (06:50 UTC)
Expired
May 8, 2005, 9:00 AM CDT
In force
7 hr
Issued by
the Storm Prediction Center

Counties Bandera County, TX, Crockett County, TX, Edwards County, TX, Gillespie County, TX, Kerr County, TX, Kimble County, TX, Kinney County, TX, Llano County, TX, Mason County, TX, McCulloch County, TX, Menard County, TX, Real County, TX, San Saba County, TX, Schleicher County, TX, Sutton County, TX, Uvalde County, TX, Val Verde County, TX

The radar

The Laughlin AFB radar (KDFX), 87 km from the middle of the area, began a volume at 06:50 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.

Warnings issued inside it

5 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
May 8, 2:50 AM CDTSevere Thunderstorm WarningEWXVal Verde33 min
May 8, 3:10 AM CDTFlash Flood WarningEWXEdwards3 hr
May 8, 4:41 AM CDTSevere Thunderstorm WarningEWXGillespie64 min
May 8, 5:36 AM CDTSevere Thunderstorm WarningEWXLlano54 min
May 8, 6:21 AM CDTFlash Flood WarningEWXGillespie, Llano3 hr

Discussions around it

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

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 6.8 hours before the alert went out and 74 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 2005-05-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1320 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 2005-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 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
1320 J/kg
Mixed-layer CIN
-72 J/kg
Mixed-layer LCL
972 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
69 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 7, 7:10 PM CDTSevere Thunderstorm WatchSPCCoke, Crockett, Fisher, Glasscock, Howard, Irion and 13 more7 hr
May 7, 8:51 PM CDTMesoscale DiscussionSPCChildress, Collingsworth, Cottle, Dickens, Donley, Foard and 9 more54 min
May 7, 11:41 PM CDTMesoscale DiscussionSPCCallahan, Coke, Coleman, Concho, Crockett, Eastland and 13 more94 min
May 8, 1:22 AM CDTMesoscale DiscussionSPCConcho, Edwards, Kerr, Kimble, McCulloch, Mason and 6 more53 min
May 8, 4:59 AM CDTMesoscale DiscussionSPCBandera, Edwards, Gillespie, Hamilton, Kerr, Kimble and 6 more61 min
May 8, 5:45 AM CDTSevere Thunderstorm WatchSPCAnderson, Austin, Bandera, Bastrop, Bell, Bexar and 50 more6 hr
May 8, 7:34 AM CDTMesoscale DiscussionSPCAnderson, Bandera, Bastrop, Blanco, Brazos, Burleson and 19 more56 min
May 8, 8:37 AM CDTMesoscale DiscussionSPCAngelina, Gregg, Harrison, Nacogdoches, Panola, Polk and 6 more53 min
May 8, 11:26 AM CDTMesoscale DiscussionSPCAtascosa, Austin, Bee, Bexar, Brazoria, Caldwell and 25 more64 min
May 8, 11:50 AM CDTTornado WatchSPCAtascosa, Austin, Bandera, Bee, Bexar, Brazoria and 33 more7 hr
May 8, 1:06 PM CDTMesoscale DiscussionSPCBandera, Baylor, Borden, Brown, Callahan, Childress and 44 more114 min
May 8, 2:05 PM CDTSevere Thunderstorm WatchSPCArcher, Baylor, Brown, Callahan, Clay, Coke and 22 more7 hr
May 8, 2:44 PM CDTMesoscale DiscussionSPCAtascosa, Austin, Bee, Brazoria, Colorado, DeWitt and 20 more2 hr
May 8, 3:54 PM CDTMesoscale DiscussionSPCChambers, Hardin, Jasper, Jefferson, Liberty, Montgomery and 8 more96 min
May 8, 5:39 PM CDTMesoscale DiscussionSPCArcher, Baylor, Clay, Cooke, Jack, Montague and 4 more96 min
May 8, 6:00 PM CDTSevere Thunderstorm WatchSPCAransas, Brooks, Duval, Jim Hogg, Jim Wells, Kenedy and 3 more5 hr
May 8, 6:42 PM CDTMesoscale DiscussionSPCEdwards, Kerr, Kimble, Mason, Real, San Saba93 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.