Alert archive / Oklahoma / Severe Thunderstorm Watches in 2004

Severe Thunderstorm Watch 457

June 12, 200427 counties in Oklahoma; 16 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at Jun 12, 2004, 10:45 PM CDT for 27 counties in Oklahoma; 16 counties in Texas. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
Jun 12, 2004, 10:45 PM CDT (03:45 UTC)
Expired
Jun 13, 2004, 3:00 AM CDT
In force
4 hr
Issued by
the Storm Prediction Center
All 43 counties

Atoka County, OK, Beckham County, OK, Bryan County, OK, Caddo County, OK, Carter County, OK, Cleveland County, OK, Coal County, OK, Comanche County, OK, Cotton County, OK, Garvin County, OK, Grady County, OK, Greer County, OK, Hughes County, OK, Jackson County, OK, Jefferson County, OK, Johnston County, OK, Kiowa County, OK, Love County, OK, Marshall County, OK, McClain County, OK, Murray County, OK, Pontotoc County, OK, Pottawatomie County, OK, Seminole County, OK, Stephens County, OK, Tillman County, OK, Washita County, OK, Archer County, TX, Baylor County, TX, Clay County, TX, Collin County, TX, Cooke County, TX, Denton County, TX, Fannin County, TX, Grayson County, TX, Hunt County, TX, Jack County, TX, Montague County, TX, Throckmorton County, TX, Wichita County, TX, Wilbarger County, TX, Wise County, TX, Young County, TX

The radar

The Norman radar (KTLX), 105 km from the middle of the area, began a volume at 03:47 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

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

IssuedProductOfficeCountiesLasted
Jun 12, 10:47 PM CDTSevere Thunderstorm WarningOUNCotton, Tillman43 min
Jun 12, 11:15 PM CDTSevere Thunderstorm WarningOUNJefferson45 min
Jun 12, 11:16 PM CDTSevere Thunderstorm WarningOUNJefferson29 min

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 3.8 hours before the alert went out and 176 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 2004-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2633 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 2004-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 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
2633 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
1393 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
92 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.9

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 12, 10:00 PM CDTSevere Thunderstorm WatchSPCGrant5 hr
Jun 12, 11:47 PM CDTMesoscale DiscussionSPCOttawa88 min
Jun 13, 1:44 AM CDTMesoscale DiscussionSPCCraig, Delaware, Kay, Mayes, Nowata, Osage and 5 more91 min
Jun 12, 9:05 PM CDTSevere Thunderstorm WatchSPCBrown, Callahan, Coke, Coleman, Comanche, Eastland and 10 more6 hr
Jun 12, 11:24 PM CDTMesoscale DiscussionSPCBrown, Callahan, Coke, Coleman, Comanche, Eastland and 11 more96 min
Jun 13, 1:57 PM CDTMesoscale DiscussionSPCBowie, Camp, Cass, Delta, Franklin, Gregg and 8 more2 hr
Jun 13, 5:06 PM CDTMesoscale DiscussionSPCCoke, Fisher, Nolan, Schleicher, Tom Green2 hr

Nearby

Severe Thunderstorm Watches in Oklahoma, 2004Severe Thunderstorm Watches in Texas, 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.