Alert archive / Texas / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 726

July 11, 20034 counties in New Mexico; Beaver County, Cimarron County, Texas County, Oklahoma; 23 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at Jul 11, 2003, 4:25 PM MDT for 4 counties in New Mexico; Beaver County, Cimarron County, Texas County, Oklahoma; 23 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jul 11, 2003, 4:25 PM MDT (22:25 UTC)
Expired
Jul 11, 2003, 10:00 PM MDT
In force
6 hr
Issued by
the Storm Prediction Center
All 30 counties

Curry County, NM, De Baca County, NM, Quay County, NM, Roosevelt County, NM, Beaver County, OK, Cimarron County, OK, Texas County, OK, Armstrong County, TX, Bailey County, TX, Carson County, TX, Castro County, TX, Cochran County, TX, Dallam County, TX, Deaf Smith County, TX, Hale County, TX, Hansford County, TX, Hartley County, TX, Hockley County, TX, Hutchinson County, TX, Lamb County, TX, Lipscomb County, TX, Moore County, TX, Ochiltree County, TX, Oldham County, TX, Parmer County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Sherman County, TX, Swisher County, TX

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, 10.4 hours before the alert went out and 136 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 2003-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2003-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 20 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3034 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
20 m²/s²
0-3 km storm-relative helicity
205 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
Jul 11, 11:37 AM MDTMesoscale DiscussionSPCDoña Ana, Grant, Hidalgo, Luna, Otero, Sierra113 min
Jul 11, 12:35 PM MDTSevere Thunderstorm WatchSPCDoña Ana, Grant, Hidalgo, Lincoln, Luna, Otero and 1 more5 hr
Jul 11, 1:01 PM MDTMesoscale DiscussionSPCColfax, Guadalupe, Harding, Los Alamos, Mora, Quay and 4 more119 min
Jul 11, 3:38 PM MDTMesoscale DiscussionSPCColfax, Curry, De Baca, Guadalupe, Harding, Mora and 4 more97 min
Jul 11, 4:33 PM MDTMesoscale DiscussionSPCDoña Ana, Grant, Hidalgo, Luna, Otero, Sierra87 min
Jul 11, 2:45 PM MDTSevere Thunderstorm WatchSPCCraig, Nowata, Ottawa, Washington6 hr
Jul 11, 10:46 AM MDTMesoscale DiscussionSPCAngelina, Austin, Brazos, Chambers, Fort Bend, Grimes and 15 more119 min
Jul 11, 1:00 PM MDTSevere Thunderstorm WatchSPCBastrop, Bell, Brazos, Burleson, Burnet, Caldwell and 14 more5 hr
Jul 11, 5:15 PM MDTMesoscale DiscussionSPCBastrop, Bell, Brazos, Burleson, Burnet, Caldwell and 14 more60 min

Nearby

Severe Thunderstorm Watches in Texas, 2003Severe Thunderstorm Watches in New Mexico, 2003Severe Thunderstorm Watches in Oklahoma, 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.