Alert archive / Kansas / Severe Thunderstorm Watches in 2004

Severe Thunderstorm Watch 504

June 20, 200422 counties in Kansas; 16 counties in Oklahoma

The Storm Prediction Center issued this severe thunderstorm watch at Jun 20, 2004, 10:35 PM CDT for 22 counties in Kansas; 16 counties in Oklahoma. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
Jun 20, 2004, 10:35 PM CDT (03:35 UTC)
Expired
Jun 21, 2004, 3:00 AM CDT
In force
4 hr
Issued by
the Storm Prediction Center
All 38 counties

Barber County, KS, Barton County, KS, Comanche County, KS, Edwards County, KS, Ellis County, KS, Ellsworth County, KS, Harper County, KS, Harvey County, KS, Kingman County, KS, Kiowa County, KS, Lincoln County, KS, McPherson County, KS, Pawnee County, KS, Pratt County, KS, Reno County, KS, Rice County, KS, Rush County, KS, Russell County, KS, Saline County, KS, Sedgwick County, KS, Stafford County, KS, Sumner County, KS, Alfalfa County, OK, Blaine County, OK, Canadian County, OK, Custer County, OK, Dewey County, OK, Garfield County, OK, Grant County, OK, Kay County, OK, Kingfisher County, OK, Logan County, OK, Major County, OK, Noble County, OK, Oklahoma County, OK, Washita County, OK, Woods County, OK, Woodward County, OK

The radar

The Wichita radar (KICT), 58 km from the middle of the area, began a volume at 03:35 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 20, 10:46 PM CDTSevere Thunderstorm WarningOUNWoods59 min
Jun 20, 11:14 PM CDTSevere Thunderstorm WarningOUNAlfalfa46 min
Jun 20, 11:23 PM CDTSevere Thunderstorm WarningOUNCuster52 min
Jun 20, 11:27 PM CDTSevere Thunderstorm WarningICTRussell63 min
Jun 20, 11:45 PM CDTSevere Thunderstorm WarningOUNMajor45 min
Jun 20, 11:51 PM CDTSevere Thunderstorm WarningICTKingman54 min
Jun 20, 11:56 PM CDTSevere Thunderstorm WarningICTLincoln64 min
Jun 21, 12:10 AM CDTSevere Thunderstorm WarningOUNBlaine, Kingfisher65 min
Jun 21, 12:52 AM CDTSevere Thunderstorm WarningOUNLogan, Noble, Payne38 min
Jun 21, 1:23 AM CDTSevere Thunderstorm WarningOUNNoble, Payne52 min
Jun 21, 2:35 AM CDTFlash Flood WarningOUNBlaine, Dewey, Major3 hr

Discussions around it

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

The nearest sounding before it

Lamont, OK (KLMN), launched 00:00Z, 3.6 hours before the alert went out and 119 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, Lamont, OK at 00:00Z on 2004-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 924 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, Lamont, OK at 00:00Z on 2004-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 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
924 J/kg
Mixed-layer CIN
-166 J/kg
Mixed-layer LCL
959 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
190 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 20, 9:52 PM CDTMesoscale DiscussionSPCBarton, Clark, Decatur, Ellis, Ellsworth, Finney and 38 more83 min
Jun 20, 10:20 PM CDTSevere Thunderstorm WatchSPCCloud, Jewell, Mitchell, Osborne, Phillips, Republic and 2 more5 hr
Jun 21, 12:59 AM CDTMesoscale DiscussionSPCAllen, Butler, Chase, Chautauqua, Clay, Cloud and 34 more61 min
Jun 21, 2:25 PM CDTMesoscale DiscussionSPCClark, Meade, Morton, Seward, Stanton, Stevens95 min
Jun 20, 8:39 PM CDTMesoscale DiscussionSPCBeaver, Beckham, Dewey, Ellis, Greer, Harper and 4 more2 hr
Jun 21, 2:00 AM CDTMesoscale DiscussionSPCBlaine, Canadian, Creek, Custer, Dewey, Ellis and 15 more3 hr
Jun 21, 3:45 PM CDTSevere Thunderstorm WatchSPCCimarron5 hr
Jun 21, 6:57 PM CDTMesoscale DiscussionSPCCimarron93 min

Nearby

Severe Thunderstorm Watches in Kansas, 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.