Alert archive / Oklahoma / Severe Thunderstorm Watches in 2004

Severe Thunderstorm Watch 538

July 3, 200416 counties in Oklahoma; 10 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at Jul 3, 2004, 1:15 AM CDT for 16 counties in Oklahoma; 10 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jul 3, 2004, 1:15 AM CDT (06:15 UTC)
Expired
Jul 3, 2004, 7:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 26 counties

Caddo County, OK, Carter County, OK, Comanche County, OK, Cotton County, OK, Garvin County, OK, Grady County, OK, Greer County, OK, Harmon County, OK, Jackson County, OK, Jefferson County, OK, Kiowa County, OK, Love County, OK, McClain County, OK, Murray County, OK, Stephens County, OK, Tillman County, OK, Archer County, TX, Baylor County, TX, Clay County, TX, Cooke County, TX, Foard County, TX, Hardeman County, TX, Knox County, TX, Montague County, TX, Wichita County, TX, Wilbarger County, TX

The radar

The Altus AFB radar (KFDR), 73 km from the middle of the area, began a volume at 06:18 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

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

IssuedProductOfficeCountiesLasted
Jul 3, 1:19 AM CDTSevere Thunderstorm WarningOUNCotton41 min
Jul 3, 1:23 AM CDTSevere Thunderstorm WarningOUNJackson37 min
Jul 3, 1:28 AM CDTSevere Thunderstorm WarningOUNComanche62 min
Jul 3, 1:31 AM CDTSevere Thunderstorm WarningOUNHarmon44 min
Jul 3, 1:59 AM CDTSevere Thunderstorm WarningOUNJackson, Kiowa, Tillman46 min
Jul 3, 2:06 AM CDTSevere Thunderstorm WarningOUNStephens39 min
Jul 3, 2:21 AM CDTSevere Thunderstorm WarningOUNCotton39 min
Jul 3, 2:39 AM CDTSevere Thunderstorm WarningOUNCarter, Garvin51 min
Jul 3, 2:43 AM CDTSevere Thunderstorm WarningOUNWichita47 min
Jul 3, 2:48 AM CDTSevere Thunderstorm WarningOUNTillman27 min
Jul 3, 2:55 AM CDTSevere Thunderstorm WarningOUNCotton50 min
Jul 3, 3:04 AM CDTSevere Thunderstorm WarningOUNJefferson56 min
Jul 3, 3:18 AM CDTSevere Thunderstorm WarningFWDMontague57 min
Jul 3, 3:41 AM CDTSevere Thunderstorm WarningOUNClay49 min
Jul 3, 3:56 AM CDTSevere Thunderstorm WarningFWDCooke64 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

Norman, OK (KOUN), launched 00:00Z, 6.3 hours before the alert went out and 109 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, Norman, OK at 00:00Z on 2004-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3602 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, Norman, OK at 00:00Z on 2004-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 77 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
3602 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
1156 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
77 m²/s²
0-3 km storm-relative helicity
153 m²/s²
Significant tornado parameter
1.1
Supercell composite
9.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 2, 7:17 PM CDTMesoscale DiscussionSPCComanche, Cotton, Greer, Harmon, Jackson, Kiowa and 1 more88 min
Jul 2, 7:51 PM CDTMesoscale DiscussionSPCCimarron, Texas84 min
Jul 2, 8:26 PM CDTMesoscale DiscussionSPCAdair, Cherokee, Coal, Creek, Delaware, Haskell and 14 more94 min
Jul 2, 9:19 PM CDTMesoscale DiscussionSPCBeaver, Cimarron, Ellis, Harper, Roger Mills, Texas56 min
Jul 2, 10:39 PM CDTMesoscale DiscussionSPCAdair, Cherokee, Creek, Delaware, Haskell, Latimer and 11 more96 min
Jul 3, 1:01 AM CDTMesoscale DiscussionSPCAtoka, Caddo, Canadian, Carter, Cleveland, Coal and 35 more89 min
Jul 3, 3:19 AM CDTMesoscale DiscussionSPCHaskell, Latimer, LeFlore, McCurtain, McIntosh, Muskogee and 3 more2 hr
Jul 3, 3:32 AM CDTMesoscale DiscussionSPCCarter, Cotton, Jefferson, Love, Tillman118 min
Jul 3, 6:15 AM CDTMesoscale DiscussionSPCBryan, Choctaw, Love, Marshall60 min
Jul 3, 4:05 AM CDTSevere Thunderstorm WatchSPCCamp, Clay, Collin, Cooke, Dallas, Delta and 22 more4 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.