Alert archive / Texas / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 377

May 14, 200322 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at May 14, 2003, 11:45 PM CDT for 22 counties in Texas. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
May 14, 2003, 11:45 PM CDT (04:45 UTC)
Expired
May 15, 2003, 5:00 AM CDT
In force
5 hr
Issued by
the Storm Prediction Center
All 22 counties

Anderson County, TX, Bosque County, TX, Collin County, TX, Dallas County, TX, Delta County, TX, Denton County, TX, Ellis County, TX, Henderson County, TX, Hill County, TX, Hood County, TX, Hopkins County, TX, Hunt County, TX, Johnson County, TX, Kaufman County, TX, Navarro County, TX, Parker County, TX, Rains County, TX, Rockwall County, TX, Somervell County, TX, Tarrant County, TX, Van Zandt County, TX, Wise County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 37 km from the middle of the area, began a volume at 04:47 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

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

IssuedProductOfficeCountiesLasted
May 14, 11:53 PM CDTSevere Thunderstorm WarningFWDDallas, Ellis52 min
May 15, 12:38 AM CDTSevere Thunderstorm WarningFWDHill, Johnson57 min
May 15, 12:50 AM CDTSevere Thunderstorm WarningFWDNavarro70 min
May 15, 2:02 AM CDTSevere Thunderstorm WarningFWDNavarro58 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

Fort Worth, TX (KFWD), launched 00:00Z, 4.8 hours before the alert went out and 27 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, Fort Worth, TX at 00:00Z on 2003-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3397 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, Fort Worth, TX at 00:00Z on 2003-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 97 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
3397 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
1078 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
97 m²/s²
0-3 km storm-relative helicity
168 m²/s²
Significant tornado parameter
3.5
Supercell composite
16.7

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 14, 7:36 PM CDTMesoscale DiscussionSPCBowie, Red River114 min
May 14, 9:20 PM CDTMesoscale DiscussionSPCCass, Harrison, Marion115 min
May 14, 11:20 PM CDTMesoscale DiscussionSPCBell, Bosque, Coryell, Ellis, Falls, Freestone and 5 more115 min
May 14, 11:35 PM CDTSevere Thunderstorm WatchSPCCamp, Cass, Cherokee, Franklin, Gregg, Harrison and 8 more5 hr
May 15, 2:10 AM CDTMesoscale DiscussionSPCAnderson, Collin, Dallas, Denton, Ellis, Henderson and 13 more2 hr
May 15, 2:27 AM CDTMesoscale DiscussionSPCGregg, Harrison, Marion, Panola, Rusk, Shelby2 hr
May 15, 1:31 PM CDTMesoscale DiscussionSPCArmstrong, Briscoe, Carson, Castro, Dallam, Deaf Smith and 10 more119 min
May 15, 1:55 PM CDTTornado WatchSPCArmstrong, Carson, Collingsworth, Dallam, Deaf Smith, Donley and 13 more6 hr
May 15, 3:41 PM CDTMesoscale DiscussionSPCArmstrong, Baylor, Briscoe, Carson, Castro, Childress and 30 more94 min
May 15, 4:05 PM CDTTornado WatchSPCBorden, Briscoe, Castro, Childress, Cottle, Crosby and 20 more6 hr
May 15, 5:15 PM CDTMesoscale DiscussionSPCFrio, Kinney, Maverick, Uvalde, Zavala2 hr
May 15, 5:49 PM CDTMesoscale DiscussionSPCBaylor, Coke, Cottle, Fisher, Foard, Hardeman and 17 more116 min
May 15, 6:25 PM CDTTornado WatchSPCArcher, Baylor, Borden, Briscoe, Brown, Callahan and 45 more6 hr
May 15, 6:47 PM CDTMesoscale DiscussionSPCChildress, Collingsworth, Donley, Gray, Hall, Hansford and 6 more58 min
May 15, 6:50 PM CDTTornado WatchSPCArmstrong, Carson, Collingsworth, Dallam, Donley, Gray and 12 more5 hr

Nearby

Severe Thunderstorm Watches in Texas, 2003Every severe thunderstorm watch in 2003

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.