Alert archive / Nebraska / Severe Thunderstorm Watches in 2005

Severe Thunderstorm Watch 573

July 1, 20058 counties in Colorado; 6 counties in Kansas; 18 counties in Nebraska

The Storm Prediction Center issued this severe thunderstorm watch at Jul 1, 2005, 1:40 PM MDT for 8 counties in Colorado; 6 counties in Kansas; 18 counties in Nebraska. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued: Jul 1, 2005, 1:40 PM MDT (19:40 UTC)
Expired: Jul 1, 2005, 9:00 PM MDT
In force: 7 hr
Issued by: the Storm Prediction Center

All 32 counties

Cheyenne County, CO, Kit Carson County, CO, Lincoln County, CO, Logan County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO, Yuma County, CO, Cheyenne County, KS, Logan County, KS, Rawlins County, KS, Sherman County, KS, Thomas County, KS, Wallace County, KS, Arthur County, NE, Blaine County, NE, Chase County, NE, Cheyenne County, NE, Deuel County, NE, Dundy County, NE, Frontier County, NE, Garden County, NE, Grant County, NE, Hayes County, NE, Hitchcock County, NE, Hooker County, NE, Keith County, NE, Lincoln County, NE, Logan County, NE, McPherson County, NE, Perkins County, NE, Thomas County, NE

The radar

The Goodland radar (KGLD), 87 km from the middle of the area, began a volume at 19:40 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

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

Issued	Product	Office	Counties	Lasted
Jul 1, 2:18 PM MDT	Severe Thunderstorm Warning	GLD	Yuma	42 min
Jul 1, 2:36 PM MDT	Tornado Warning	GLD	Yuma	39 min
Jul 1, 2:49 PM MDT	Tornado Warning	GLD	Yuma	41 min
Jul 1, 3:05 PM MDT	Severe Thunderstorm Warning	GLD	Yuma	18 min
Jul 1, 3:32 PM MDT	Severe Thunderstorm Warning	LBF	Perkins	58 min
Jul 1, 3:51 PM MDT	Severe Thunderstorm Warning	GLD	Yuma	24 min
Jul 1, 4:00 PM MDT	Severe Thunderstorm Warning	BOU	Sedgwick	48 min
Jul 1, 4:03 PM MDT	Severe Thunderstorm Warning	LBF	Keith, Lincoln	57 min
Jul 1, 4:10 PM MDT	Severe Thunderstorm Warning	GLD	Yuma	50 min
Jul 1, 4:30 PM MDT	Severe Thunderstorm Warning	LBF	Hooker	60 min
Jul 1, 4:44 PM MDT	Severe Thunderstorm Warning	GLD	Cheyenne	61 min
Jul 1, 4:49 PM MDT	Tornado Warning	LBF	Hooker	26 min
Jul 1, 4:56 PM MDT	Severe Thunderstorm Warning	LBF	Lincoln	46 min
Jul 1, 4:57 PM MDT	Severe Thunderstorm Warning	GLD	Yuma	25 min
Jul 1, 5:08 PM MDT	Severe Thunderstorm Warning	BOU	Lincoln	52 min
Jul 1, 5:12 PM MDT	Tornado Warning	LBF	Hooker	33 min
Jul 1, 5:26 PM MDT	Severe Thunderstorm Warning	LBF	Logan	43 min
Jul 1, 5:37 PM MDT	Severe Thunderstorm Warning	GLD	Sherman	53 min
Jul 1, 5:38 PM MDT	Tornado Warning	LBF	Cherry, Hooker	37 min
Jul 1, 5:42 PM MDT	Severe Thunderstorm Warning	GLD	Cheyenne	52 min
Jul 1, 6:15 PM MDT	Severe Thunderstorm Warning	LBF	Hooker, Thomas	60 min
Jul 1, 6:26 PM MDT	Severe Thunderstorm Warning	GLD	Sherman	69 min
Jul 1, 7:13 PM MDT	Severe Thunderstorm Warning	GLD	Logan, Wallace	62 min
Jul 1, 7:15 PM MDT	Severe Thunderstorm Warning	LBF	Logan, Thomas	60 min
Jul 1, 7:26 PM MDT	Severe Thunderstorm Warning	LBF	Logan, Thomas	64 min
Jul 1, 8:15 PM MDT	Severe Thunderstorm Warning	GLD	Logan	24 min
Jul 1, 8:16 PM MDT	Severe Thunderstorm Warning	LBF	Custer, Logan	19 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

Denver, CO (KDNR), launched 12:00Z, 7.7 hours before the alert went out and 70 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: 157 J/kg
Mixed-layer CIN: -263 J/kg
Mixed-layer LCL: 1777 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 17 m²/s²
0-3 km storm-relative helicity: 44 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.2

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 30, 10:32 PM MDT	Mesoscale Discussion	SPC	Baca, Bent, Prowers	118 min
Jul 1, 12:17 PM MDT	Mesoscale Discussion	SPC	Logan, Morgan, Phillips, Sedgwick, Washington, Yuma	118 min
Jul 1, 1:44 PM MDT	Mesoscale Discussion	SPC	Baca, Las Animas	2 hr
Jul 1, 5:29 PM MDT	Mesoscale Discussion	SPC	Cheyenne, Kiowa, Prowers	91 min
Jul 1, 5:45 PM MDT	Mesoscale Discussion	SPC	Baca, Bent, Crowley, Kiowa, Prowers	90 min
Jun 30, 6:52 PM MDT	Mesoscale Discussion	SPC	Allen, Anderson, Bourbon, Cherokee, Crawford, Labette and 2 more	83 min
Jun 30, 7:30 PM MDT	Severe Thunderstorm Watch	SPC	Allen, Anderson, Bourbon, Chase, Chautauqua, Cherokee and 14 more	8 hr
Jun 30, 9:42 PM MDT	Mesoscale Discussion	SPC	Allen, Anderson, Bourbon, Butler, Chase, Cherokee and 11 more	93 min
Jul 1, 12:12 AM MDT	Mesoscale Discussion	SPC	Allen, Anderson, Barber, Bourbon, Butler, Chase and 19 more	33 min
Jul 1, 12:40 AM MDT	Severe Thunderstorm Watch	SPC	Chautauqua, Cherokee, Elk, Labette, Montgomery	7 hr
Jul 1, 1:10 AM MDT	Severe Thunderstorm Watch	SPC	Cowley, Harper, Sumner	7 hr
Jul 1, 2:24 AM MDT	Mesoscale Discussion	SPC	Barber, Comanche, Cowley, Harper, Sumner	96 min
Jul 1, 3:48 AM MDT	Mesoscale Discussion	SPC	Chautauqua, Cherokee, Elk, Labette, Montgomery	57 min

Nearby

Severe Thunderstorm Watches in Nebraska, 2005 Severe Thunderstorm Watches in Colorado, 2005 Severe Thunderstorm Watches in Kansas, 2005 Every severe thunderstorm watch in 2005

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.