Alert archive / Nebraska / Severe Thunderstorm Watches in 2005

Severe Thunderstorm Watch 520

June 24, 20054 states

The Storm Prediction Center issued this severe thunderstorm watch at Jun 24, 2005, 5:10 PM MDT for 4 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Jun 24, 2005, 5:10 PM MDT (23:10 UTC)
Expired: Jun 24, 2005, 11:00 PM MDT
In force: 6 hr
Issued by: the Storm Prediction Center

All 33 counties

Phillips County, CO, Sedgwick County, CO, Carter County, MT, Arthur County, NE, Box Butte County, NE, Chase County, NE, Cherry County, NE, Cheyenne County, NE, Dawes County, NE, Deuel County, NE, Frontier County, NE, Garden County, NE, Grant County, NE, Hayes County, NE, Hooker County, NE, Keith County, NE, Lincoln County, NE, McPherson County, NE, Morrill County, NE, Perkins County, NE, Sheridan County, NE, Bennett County, SD, Butte County, SD, Custer County, SD, Fall River County, SD, Haakon County, SD, Harding County, SD, Jackson County, SD, Lawrence County, SD, Meade County, SD, Oglala Lakota County, SD, Pennington County, SD, Perkins County, SD

The radar

The Rapid City radar (KUDX), 56 km from the middle of the area, began a volume at 23:13 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

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

Issued	Product	Office	Counties	Lasted
Jun 24, 6:03 PM MDT	Severe Thunderstorm Warning	BYZ	Carter, Powder River	57 min
Jun 24, 6:26 PM MDT	Severe Thunderstorm Warning	BYZ	Carter	64 min
Jun 24, 6:45 PM MDT	Severe Thunderstorm Warning	BOU	Sedgwick	48 min
Jun 24, 6:49 PM MDT	Severe Thunderstorm Warning	UNR	Fall River	72 min
Jun 24, 7:00 PM MDT	Severe Thunderstorm Warning	BYZ	Carter	60 min
Jun 24, 7:23 PM MDT	Severe Thunderstorm Warning	LBF	Deuel	43 min
Jun 24, 7:55 PM MDT	Severe Thunderstorm Warning	CYS	Cheyenne	50 min
Jun 24, 7:57 PM MDT	Severe Thunderstorm Warning	BYZ	Carter	32 min
Jun 24, 8:34 PM MDT	Severe Thunderstorm Warning	LBF	Sheridan	56 min
Jun 24, 9:27 PM MDT	Severe Thunderstorm Warning	LBF	Sheridan	63 min
Jun 24, 9:31 PM MDT	Severe Thunderstorm Warning	CYS	Dawes	45 min
Jun 24, 11:00 PM MDT	Severe Thunderstorm Warning	BYZ	Carter, Custer, Fallon, Powder River	90 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

Rapid City, SD (KUNR), launched 12:00Z, 11.2 hours before the alert went out and 53 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: 1357 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: -26 m²/s²
0-3 km storm-relative helicity: 180 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 24, 12:04 PM MDT	Mesoscale Discussion	SPC	Adams, Arapahoe, Bent, Broomfield, Cheyenne, Crowley and 14 more	116 min
Jun 24, 1:05 PM MDT	Mesoscale Discussion	SPC	Big Horn	85 min
Jun 24, 1:35 PM MDT	Severe Thunderstorm Watch	SPC	Big Horn, Powder River	7 hr
Jun 24, 4:15 PM MDT	Mesoscale Discussion	SPC	Big Horn, Powder River	90 min
Jun 23, 6:52 PM MDT	Mesoscale Discussion	SPC	Arthur, Blaine, Brown, Chase, Cherry, Custer and 21 more	83 min
Jun 23, 10:42 PM MDT	Mesoscale Discussion	SPC	Antelope, Arthur, Blaine, Boone, Boyd, Brown and 35 more	63 min
Jun 24, 3:02 PM MDT	Mesoscale Discussion	SPC	Dundy, Furnas, Hitchcock, Red Willow	88 min

Nearby

Severe Thunderstorm Watches in Nebraska, 2005 Severe Thunderstorm Watches in South Dakota, 2005 Severe Thunderstorm Watches in Colorado, 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.