Alert archive / Kansas / Severe Thunderstorm Watches in 2002

Severe Thunderstorm Watch 592

August 11, 200212 counties in Kansas; 7 counties in Nebraska

The Storm Prediction Center issued this severe thunderstorm watch at Aug 11, 2002, 6:00 PM CDT for 12 counties in Kansas; 7 counties in Nebraska. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: Aug 11, 2002, 6:00 PM CDT (23:00 UTC)
Expired: Aug 11, 2002, 11:00 PM CDT
In force: 5 hr
Issued by: the Storm Prediction Center

Counties Decatur County, KS, Gove County, KS, Greeley County, KS, Lane County, KS, Logan County, KS, Rawlins County, KS, Scott County, KS, Sheridan County, KS, Sherman County, KS, Thomas County, KS, Wallace County, KS, Wichita County, KS, Dawson County, NE, Frontier County, NE, Furnas County, NE, Gosper County, NE, Hayes County, NE, Hitchcock County, NE, Red Willow County, NE

The radar

The Goodland radar (KGLD), 55 km from the middle of the area, began a volume at 23:01 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

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

Issued	Product	Office	Counties	Lasted
Aug 11, 6:13 PM CDT	Tornado Warning	GLD	Hitchcock	47 min
Aug 11, 6:23 PM CDT	Severe Thunderstorm Warning	GLD	Thomas	67 min
Aug 11, 6:24 PM CDT	Severe Thunderstorm Warning	GLD	Rawlins	66 min
Aug 11, 6:32 PM CDT	Severe Thunderstorm Warning	GLD	Wichita	58 min
Aug 11, 6:58 PM CDT	Tornado Warning	GLD	Hitchcock	47 min
Aug 11, 7:28 PM CDT	Severe Thunderstorm Warning	GLD	Thomas	62 min
Aug 11, 7:30 PM CDT	Severe Thunderstorm Warning	GLD	Wichita	60 min
Aug 11, 7:34 PM CDT	Severe Thunderstorm Warning	GLD	Rawlins	56 min
Aug 11, 7:36 PM CDT	Severe Thunderstorm Warning	GLD	Logan	54 min
Aug 11, 7:46 PM CDT	Tornado Warning	GLD	Hitchcock	59 min
Aug 11, 8:03 PM CDT	Flash Flood Warning	GLD	Thomas	3 hr
Aug 11, 8:06 PM CDT	Severe Thunderstorm Warning	GLD	Red Willow	54 min
Aug 11, 8:16 PM CDT	Tornado Warning	GLD	Logan	44 min
Aug 11, 8:22 PM CDT	Severe Thunderstorm Warning	GID	Furnas	53 min
Aug 11, 8:26 PM CDT	Severe Thunderstorm Warning	GLD	Gove	64 min
Aug 11, 8:30 PM CDT	Severe Thunderstorm Warning	GLD	Rawlins	60 min
Aug 11, 8:43 PM CDT	Severe Thunderstorm Warning	GLD	Hitchcock	62 min
Aug 11, 8:59 PM CDT	Severe Thunderstorm Warning	GLD	Logan	61 min
Aug 11, 9:13 PM CDT	Tornado Warning	GLD	Rawlins	47 min
Aug 11, 9:17 PM CDT	Tornado Warning	GLD	Logan	43 min
Aug 11, 9:36 PM CDT	Severe Thunderstorm Warning	GLD	Gove	39 min
Aug 11, 9:44 PM CDT	Severe Thunderstorm Warning	DDC	Scott	61 min
Aug 11, 10:49 PM CDT	Severe Thunderstorm Warning	DDC	Scott	41 min

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 11.0 hours before the alert went out and 195 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 3753 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 23 m²/s²
0-3 km storm-relative helicity: 50 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.

Issued	Product	Office	Counties	Lasted
Aug 11, 3:35 PM CDT	Severe Thunderstorm Watch	SPC	Arthur, Blaine, Brown, Cherry, Custer, Grant and 9 more	5 hr

Nearby

Severe Thunderstorm Watches in Kansas, 2002 Severe Thunderstorm Watches in Nebraska, 2002 Every 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.