Alert archive / Kansas / Severe Thunderstorm Watches in 2004

Severe Thunderstorm Watch 240

May 21, 200425 counties in Kansas; 4 counties in Oklahoma; 15 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at May 21, 2004, 4:50 PM CDT for 25 counties in Kansas; 4 counties in Oklahoma; 15 counties in Texas. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
May 21, 2004, 4:50 PM CDT (21:50 UTC)
Expired
May 21, 2004, 10:00 PM CDT
In force
5 hr
Issued by
the Storm Prediction Center
All 44 counties

Clark County, KS, Edwards County, KS, Ellis County, KS, Finney County, KS, Ford County, KS, Gove County, KS, Graham County, KS, Grant County, KS, Gray County, KS, Haskell County, KS, Hodgeman County, KS, Kearny County, KS, Kiowa County, KS, Lane County, KS, Meade County, KS, Ness County, KS, Osborne County, KS, Pawnee County, KS, Rooks County, KS, Rush County, KS, Scott County, KS, Seward County, KS, Sheridan County, KS, Stevens County, KS, Trego County, KS, Beaver County, OK, Ellis County, OK, Harper County, OK, Texas County, OK, Armstrong County, TX, Carson County, TX, Collingsworth County, TX, Donley County, TX, Gray County, TX, Hansford County, TX, Hemphill County, TX, Hutchinson County, TX, Lipscomb County, TX, Moore County, TX, Ochiltree County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Wheeler County, TX

The radar

The Dodge City radar (KDDC), 142 km from the middle of the area, began a volume at 21:51 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

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

IssuedProductOfficeCountiesLasted
May 21, 5:15 PM CDTSevere Thunderstorm WarningAMAHansford30 min
May 21, 5:49 PM CDTSevere Thunderstorm WarningAMAHansford, Ochiltree56 min
May 21, 6:16 PM CDTSevere Thunderstorm WarningAMABeaver59 min
May 21, 6:21 PM CDTSevere Thunderstorm WarningGIDOsborne, Rooks54 min
May 21, 6:24 PM CDTSevere Thunderstorm WarningDDCFord51 min
May 21, 6:24 PM CDTSevere Thunderstorm WarningAMATexas66 min
May 21, 6:40 PM CDTSevere Thunderstorm WarningDDCHodgeman65 min
May 21, 6:53 PM CDTSevere Thunderstorm WarningDDCGray, Meade37 min
May 21, 7:12 PM CDTSevere Thunderstorm WarningGIDOsborne, Smith63 min
May 21, 7:13 PM CDTSevere Thunderstorm WarningAMABeaver62 min
May 21, 7:14 PM CDTSevere Thunderstorm WarningDDCFord61 min
May 21, 7:16 PM CDTSevere Thunderstorm WarningDDCNess44 min
May 21, 7:19 PM CDTTornado WarningGIDOsborne41 min
May 21, 7:27 PM CDTSevere Thunderstorm WarningDDCRush48 min
May 21, 7:30 PM CDTSevere Thunderstorm WarningDDCGray30 min
May 21, 7:59 PM CDTSevere Thunderstorm WarningGIDOsborne46 min
May 21, 8:05 PM CDTSevere Thunderstorm WarningDDCHodgeman, Ness, Pawnee55 min
May 21, 8:10 PM CDTSevere Thunderstorm WarningDDCFord65 min
May 21, 8:11 PM CDTSevere Thunderstorm WarningAMABeaver64 min
May 21, 8:18 PM CDTSevere Thunderstorm WarningAMAOchiltree42 min
May 21, 8:47 PM CDTSevere Thunderstorm WarningDDCRush58 min
May 21, 8:50 PM CDTSevere Thunderstorm WarningDDCHodgeman40 min
May 21, 8:53 PM CDTSevere Thunderstorm WarningDDCHodgeman52 min
May 21, 9:16 PM CDTSevere Thunderstorm WarningDDCEdwards29 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

Dodge City, (KDDC), launched 12:00Z, 9.8 hours before the alert went out and 146 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, Dodge City, at 12:00Z on 2004-05-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 341 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, Dodge City, at 12:00Z on 2004-05-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 164 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
341 J/kg
Mixed-layer CIN
-398 J/kg
Mixed-layer LCL
1506 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
164 m²/s²
0-3 km storm-relative helicity
195 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
May 20, 10:03 PM CDTMesoscale DiscussionSPCBrown, Cheyenne, Clay, Cloud, Decatur, Ellis and 23 more87 min
May 21, 5:35 PM CDTMesoscale DiscussionSPCGraham, Jewell, Norton, Osborne, Phillips, Rooks and 1 more115 min
May 20, 9:25 PM CDTMesoscale DiscussionSPCAndrews, Bailey, Cochran, Crane, Ector, Gaines and 5 more65 min

Nearby

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