Alert archive / Kansas / Severe Thunderstorm Watches in 2002

Severe Thunderstorm Watch 640

August 26, 200213 counties in Colorado; 24 counties in Kansas; 6 counties in Nebraska

The Storm Prediction Center issued this severe thunderstorm watch at Aug 26, 2002, 4:30 PM MDT for 13 counties in Colorado; 24 counties in Kansas; 6 counties in Nebraska. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Aug 26, 2002, 4:30 PM MDT (22:30 UTC)
Expired
Aug 26, 2002, 10:00 PM MDT
In force
6 hr
Issued by
the Storm Prediction Center
All 43 counties

Baca County, CO, Bent County, CO, Cheyenne County, CO, Kiowa County, CO, Kit Carson County, CO, Lincoln County, CO, Logan County, CO, Morgan County, CO, Phillips County, CO, Prowers County, CO, Sedgwick County, CO, Washington County, CO, Yuma County, CO, Cheyenne County, KS, Decatur County, KS, Finney County, KS, Gove County, KS, Grant County, KS, Gray County, KS, Greeley County, KS, Hamilton County, KS, Haskell County, KS, Kearny County, KS, Lane County, KS, Logan County, KS, Meade County, KS, Morton County, KS, Rawlins County, KS, Scott County, KS, Seward County, KS, Sheridan County, KS, Sherman County, KS, Stanton County, KS, Stevens County, KS, Thomas County, KS, Wallace County, KS, Wichita County, KS, Chase County, NE, Dundy County, NE, Hayes County, NE, Hitchcock County, NE, Perkins County, NE, Red Willow County, NE

The radar

The Goodland radar (KGLD), 7 km from the middle of the area, began a volume at 22:32 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

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

IssuedProductOfficeCountiesLasted
Aug 26, 4:31 PM MDTSevere Thunderstorm WarningGLDSherman59 min
Aug 26, 4:37 PM MDTSevere Thunderstorm WarningGLDThomas53 min
Aug 26, 5:05 PM MDTSevere Thunderstorm WarningGLDKit Carson55 min
Aug 26, 5:15 PM MDTSevere Thunderstorm WarningGLDCheyenne60 min
Aug 26, 5:20 PM MDTSevere Thunderstorm WarningGLDWallace55 min
Aug 26, 5:34 PM MDTSevere Thunderstorm WarningGLDThomas41 min
Aug 26, 5:49 PM MDTSevere Thunderstorm WarningGLDLogan56 min
Aug 26, 5:55 PM MDTFlash Flood WarningGLDThomas4 hr
Aug 26, 6:03 PM MDTSevere Thunderstorm WarningGLDGreeley57 min
Aug 26, 6:13 PM MDTSevere Thunderstorm WarningGLDThomas62 min
Aug 26, 6:16 PM MDTSevere Thunderstorm WarningGLDWichita59 min
Aug 26, 6:33 PM MDTSevere Thunderstorm WarningGLDThomas57 min
Aug 26, 6:48 PM MDTSevere Thunderstorm WarningDDCHamilton, Kearny42 min
Aug 26, 6:58 PM MDTSevere Thunderstorm WarningGLDGreeley62 min
Aug 26, 6:59 PM MDTSevere Thunderstorm WarningDDCLane, Scott46 min
Aug 26, 6:59 PM MDTFlash Flood WarningGLDLogan4 hr
Aug 26, 7:24 PM MDTSevere Thunderstorm WarningDDCHamilton, Kearny66 min
Aug 26, 7:32 PM MDTSevere Thunderstorm WarningDDCFinney43 min
Aug 26, 7:49 PM MDTSevere Thunderstorm WarningDDCLane41 min
Aug 26, 8:02 PM MDTSevere Thunderstorm WarningDDCGray43 min
Aug 26, 8:07 PM MDTSevere Thunderstorm WarningBOULogan53 min
Aug 26, 8:11 PM MDTSevere Thunderstorm WarningDDCGrant, Stanton64 min
Aug 26, 8:14 PM MDTSevere Thunderstorm WarningDDCFinney46 min
Aug 26, 9:05 PM MDTSevere Thunderstorm WarningBOUWashington30 min
Aug 26, 9:05 PM MDTSevere Thunderstorm WarningDDCStevens55 min
Aug 26, 9:08 PM MDTSevere Thunderstorm WarningDDCMeade52 min
Aug 26, 9:17 PM MDTSevere Thunderstorm WarningDDCGrant28 min
Aug 26, 9:30 PM MDTSevere Thunderstorm WarningDDCSeward45 min

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 10.5 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, Denver, CO at 12:00Z on 2002-08-26Temperature 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 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 2002-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 20 square meters per square second.1939587897Sfc1 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
3707 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
20 m²/s²
0-3 km storm-relative helicity
30 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
Aug 26, 1:05 PM MDTSevere Thunderstorm WatchSPCCheyenne, Kit Carson, Logan, Phillips, Sedgwick, Yuma5 hr
Aug 26, 12:15 PM MDTSevere Thunderstorm WatchSPCArthur, Box Butte, Cherry, Cheyenne, Dawes, Garden and 8 more6 hr
Aug 26, 5:10 PM MDTSevere Thunderstorm WatchSPCArthur, Banner, Box Butte, Cherry, Cheyenne, Dawes and 11 more5 hr

Nearby

Severe Thunderstorm Watches in Kansas, 2002Severe Thunderstorm Watches in Colorado, 2002Severe Thunderstorm Watches in Nebraska, 2002Every severe thunderstorm watch in 2002

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.