Alert archive / Kansas / Severe Thunderstorm Watches in 2002

Severe Thunderstorm Watch 634

August 24, 20024 counties in Colorado; 6 counties in Kansas; Dundy County, Hitchcock County, Red Willow County, Nebraska

The Storm Prediction Center issued this severe thunderstorm watch at Aug 24, 2002, 5:20 PM MDT for 4 counties in Colorado; 6 counties in Kansas; Dundy County, Hitchcock County, Red Willow County, Nebraska. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Aug 24, 2002, 5:20 PM MDT (23:20 UTC)
Expired
Aug 24, 2002, 10:00 PM MDT
In force
5 hr
Issued by
the Storm Prediction Center

Counties Kit Carson County, CO, Morgan County, CO, Washington County, CO, Yuma County, CO, Cheyenne County, KS, Decatur County, KS, Rawlins County, KS, Sheridan County, KS, Sherman County, KS, Thomas County, KS, Dundy County, NE, Hitchcock County, NE, Red Willow County, NE

The radar

The Goodland radar (KGLD), 54 km from the middle of the area, began a volume at 23:22 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

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

IssuedProductOfficeCountiesLasted
Aug 24, 5:40 PM MDTTornado WarningBOULogan, Washington50 min
Aug 24, 6:17 PM MDTTornado WarningBOUWashington43 min
Aug 24, 6:59 PM MDTTornado WarningBOUWashington46 min
Aug 24, 7:45 PM MDTTornado WarningGLDKit Carson60 min
Aug 24, 7:48 PM MDTTornado WarningBOUWashington27 min
Aug 24, 7:49 PM MDTSevere Thunderstorm WarningGLDYuma56 min
Aug 24, 8:43 PM MDTTornado WarningGLDKit Carson62 min

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 11.3 hours before the alert went out and 147 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 2002-08-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 80 joules per kilogram.LCLLFCEL10008507005003002001001 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 2002-08-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -53 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
80 J/kg
Mixed-layer CIN
-264 J/kg
Mixed-layer LCL
1878 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
-53 m²/s²
0-3 km storm-relative helicity
-45 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 23, 10:15 PM MDTSevere Thunderstorm WatchSPCBent, Cheyenne, Crowley, Kiowa, Lincoln, Otero and 1 more6 hr
Aug 24, 1:15 PM MDTTornado WatchSPCLogan, Phillips, Sedgwick7 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.