Alert archive / Texas / Severe Thunderstorm Watches in 2004

Severe Thunderstorm Watch 398

June 4, 2004Beaver County, Texas County, Oklahoma; 17 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at Jun 4, 2004, 6:40 PM CDT for Beaver County, Texas County, Oklahoma; 17 counties in Texas. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
Jun 4, 2004, 6:40 PM CDT (23:40 UTC)
Expired
Jun 4, 2004, 11:00 PM CDT
In force
4 hr
Issued by
the Storm Prediction Center

Counties Beaver County, OK, Texas County, OK, Armstrong County, TX, Briscoe County, TX, Carson County, TX, Castro County, TX, Donley County, TX, Gray County, TX, Hansford County, TX, Hemphill County, TX, Hutchinson County, TX, Lipscomb County, TX, Moore County, TX, Ochiltree County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Sherman County, TX, Swisher County, TX

The radar

The Amarillo radar (KAMA), 26 km from the middle of the area, began a volume at 23:42 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

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

IssuedProductOfficeCountiesLasted
Jun 4, 6:55 PM CDTSevere Thunderstorm WarningAMAHutchinson50 min
Jun 4, 6:58 PM CDTSevere Thunderstorm WarningAMACarson47 min
Jun 4, 7:25 PM CDTSevere Thunderstorm WarningAMAPotter, Randall65 min
Jun 4, 7:44 PM CDTSevere Thunderstorm WarningLUBCastro61 min
Jun 4, 7:51 PM CDTSevere Thunderstorm WarningAMABeaver, Texas54 min
Jun 4, 8:02 PM CDTSevere Thunderstorm WarningAMACarson, Gray58 min
Jun 4, 8:08 PM CDTSevere Thunderstorm WarningLUBSwisher67 min
Jun 4, 8:45 PM CDTSevere Thunderstorm WarningAMAArmstrong45 min
Jun 4, 8:52 PM CDTSevere Thunderstorm WarningLUBBriscoe53 min
Jun 4, 9:08 PM CDTSevere Thunderstorm WarningLUBCastro52 min
Jun 4, 9:16 PM CDTSevere Thunderstorm WarningLUBSwisher59 min

Discussions around it

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

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 11.7 hours before the alert went out and 25 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, Amarillo Airport, TX at 12:00Z on 2004-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 618 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, Amarillo Airport, TX at 12:00Z on 2004-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 84 square meters per square second.193958Sfc1 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
618 J/kg
Mixed-layer CIN
-328 J/kg
Mixed-layer LCL
1154 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
84 m²/s²
0-3 km storm-relative helicity
182 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 4, 4:15 AM CDTMesoscale DiscussionSPCAlfalfa, Blaine, Caddo, Canadian, Cleveland, Custer and 12 more90 min
Jun 4, 2:13 PM CDTMesoscale DiscussionSPCBeckham, Ellis, Greer, Harmon, Jackson, Roger Mills2 hr
Jun 4, 2:29 PM CDTMesoscale DiscussionSPCCimarron2 hr
Jun 4, 3:10 PM CDTSevere Thunderstorm WatchSPCCimarron, Texas6 hr
Jun 4, 6:04 PM CDTMesoscale DiscussionSPCBeaver, Texas116 min
Jun 4, 2:40 PM CDTSevere Thunderstorm WatchSPCArcher, Baylor, Bosque, Callahan, Clay, Collin and 37 more5 hr
Jun 4, 3:26 PM CDTMesoscale DiscussionSPCCulberson, El Paso, Hudspeth, Loving, Reeves2 hr
Jun 4, 5:08 PM CDTMesoscale DiscussionSPCAngelina, Chambers, Hardin, Houston, Jasper, Jefferson and 9 more2 hr
Jun 4, 5:35 PM CDTMesoscale DiscussionSPCArcher, Baylor, Bell, Borden, Bosque, Brazos and 62 more85 min
Jun 4, 6:22 PM CDTMesoscale DiscussionSPCArmstrong, Briscoe, Carson, Castro, Collingsworth, Deaf Smith and 10 more83 min

Nearby

Severe Thunderstorm Watches in Texas, 2004Severe Thunderstorm Watches in Oklahoma, 2004Every severe thunderstorm watch in 2004

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.