Alert archive / Nebraska / Severe Thunderstorm Watches in 2016

Severe Thunderstorm Watch 328

July 5, 201615 counties in Kansas; 34 counties in Nebraska

The Storm Prediction Center issued this severe thunderstorm watch at Jul 5, 2016, 6:22 PM CDT for 15 counties in Kansas; 34 counties in Nebraska. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued: Jul 5, 2016, 6:22 PM CDT (23:22 UTC)
Expired: Jul 6, 2016, 2:00 AM CDT
In force: 8 hr
Issued by: the Storm Prediction Center
Largest hail expected: 2 in
Strongest gust expected: 60 kt

All 49 counties

Cloud County, KS, Decatur County, KS, Graham County, KS, Jewell County, KS, Mitchell County, KS, Norton County, KS, Osborne County, KS, Ottawa County, KS, Phillips County, KS, Rawlins County, KS, Republic County, KS, Rooks County, KS, Sheridan County, KS, Smith County, KS, Thomas County, KS, Adams County, NE, Buffalo County, NE, Chase County, NE, Clay County, NE, Custer County, NE, Dawson County, NE, Dundy County, NE, Fillmore County, NE, Franklin County, NE, Frontier County, NE, Furnas County, NE, Gosper County, NE, Greeley County, NE, Hall County, NE, Hamilton County, NE, Harlan County, NE, Hayes County, NE, Hitchcock County, NE, Howard County, NE, Kearney County, NE, Lincoln County, NE, Logan County, NE, Merrick County, NE, Nance County, NE, Nuckolls County, NE, Perkins County, NE, Phelps County, NE, Polk County, NE, Red Willow County, NE, Sherman County, NE, Thayer County, NE, Valley County, NE, Webster County, NE, York County, NE

The radar

The Grand Island radar (KUEX), 136 km from the middle of the area, began a volume at 23:25 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.

What SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes: 10%
One or more EF2 to EF5 tornadoes: 5%
Ten or more severe wind reports: 40%
One or more gusts of 65 knots or more: 10%
Ten or more severe hail reports: 30%
One or more hailstones of 2 inches or more: 30%
Six or more combined severe hail and wind reports: 70%

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Jul 5, 6:25 PM CDT	Severe Thunderstorm Warning	GID	Adams, Hall, Hamilton	50 min
Jul 5, 6:26 PM CDT	Severe Thunderstorm Warning	GLD	Decatur	49 min
Jul 5, 6:53 PM CDT	Severe Thunderstorm Warning	GID	Hall, Hamilton, Howard, Merrick	52 min
Jul 5, 7:01 PM CDT	Severe Thunderstorm Warning	LBF	Custer	13 min
Jul 5, 7:04 PM CDT	Severe Thunderstorm Warning	GID	Adams, Hall	41 min
Jul 5, 7:07 PM CDT	Severe Thunderstorm Warning	GLD	Decatur, Sheridan	38 min
Jul 5, 7:20 PM CDT	Flash Flood Warning	GID	Adams, Hall	3 hr
Jul 5, 7:27 PM CDT	Severe Thunderstorm Warning	GID	Hall, Howard	35 min
Jul 5, 7:36 PM CDT	Severe Thunderstorm Warning	GID	Hamilton, Merrick, Nance, Polk, York	39 min
Jul 5, 7:42 PM CDT	Severe Thunderstorm Warning	GLD	Decatur, Graham, Norton, Sheridan	48 min
Jul 5, 7:46 PM CDT	Severe Thunderstorm Warning	GLD	Rawlins	18 min
Jul 5, 7:49 PM CDT	Severe Thunderstorm Warning	GID	Howard, Merrick, Nance	25 min
Jul 5, 8:08 PM CDT	Severe Thunderstorm Warning	GID	Merrick, Nance, Polk	52 min
Jul 5, 8:20 PM CDT	Severe Thunderstorm Warning	GLD	Graham, Sheridan	40 min
Jul 5, 8:27 PM CDT	Severe Thunderstorm Warning	GID	Polk	48 min
Jul 5, 8:28 PM CDT	Severe Thunderstorm Warning	GLD	Sheridan	47 min
Jul 5, 8:49 PM CDT	Flash Flood Warning	GLD	Graham, Sheridan	3 hr
Jul 5, 8:54 PM CDT	Severe Thunderstorm Warning	GLD	Graham	51 min
Jul 5, 9:05 PM CDT	Severe Thunderstorm Warning	GLD	Graham, Sheridan	40 min
Jul 5, 9:24 PM CDT	Severe Thunderstorm Warning	GLD	Sheridan, Thomas	51 min
Jul 5, 9:58 PM CDT	Severe Thunderstorm Warning	GLD	Gove, Logan, Sheridan, Thomas	47 min
Jul 5, 10:28 PM CDT	Severe Thunderstorm Warning	GID	Phillips	47 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

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.4 hours before the alert went out and 72 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: 715 J/kg
Mixed-layer CIN: -352 J/kg
Mixed-layer LCL: 2406 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 131 m²/s²
0-3 km storm-relative helicity: 99 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
Jul 5, 3:44 PM CDT	Mesoscale Discussion	SPC	Decatur, Norton, Phillips, Sheridan	61 min
Jul 5, 4:59 PM CDT	Mesoscale Discussion	SPC	Decatur, Graham, Jewell, Norton, Phillips, Rawlins and 1 more	3 hr
Jul 5, 3:29 PM CDT	Severe Thunderstorm Watch	SPC	Cedar, Dakota, Dixon, Knox	7 hr

Nearby

Severe Thunderstorm Watches in Nebraska, 2016 Severe Thunderstorm Watches in Kansas, 2016 Every severe thunderstorm watch in 2016

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.