Alert archive / Nebraska / Severe Thunderstorm Watches in 2016
Severe Thunderstorm Watch 373
The Storm Prediction Center issued this severe thunderstorm watch at Jul 11, 2016, 4:03 PM CDT for 4 counties in Iowa; 8 counties in Kansas; 33 counties in Nebraska. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 11, 2016, 4:03 PM CDT (21:03 UTC)
- Expired
- Jul 11, 2016, 10:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
All 45 counties
Harrison County, IA, Monona County, IA, Pottawattamie County, IA, Shelby County, IA, Clay County, KS, Cloud County, KS, Jewell County, KS, Mitchell County, KS, Osborne County, KS, Republic County, KS, Smith County, KS, Washington County, KS, Boone County, NE, Burt County, NE, Butler County, NE, Cass County, NE, Cedar County, NE, Clay County, NE, Colfax County, NE, Cuming County, NE, Dodge County, NE, Douglas County, NE, Fillmore County, NE, Gage County, NE, Hamilton County, NE, Jefferson County, NE, Lancaster County, NE, Madison County, NE, Merrick County, NE, Nance County, NE, Nuckolls County, NE, Pierce County, NE, Platte County, NE, Polk County, NE, Saline County, NE, Sarpy County, NE, Saunders County, NE, Seward County, NE, Stanton County, NE, Thayer County, NE, Thurston County, NE, Washington County, NE, Wayne County, NE, Webster County, NE, York County, NE
The radar
The Omaha radar (KOAX), 78 km from the middle of the area, began a volume at 21:06 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
- 2%
- Ten or more severe wind reports
- 40%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 40%
- One or more hailstones of 2 inches or more
- 10%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
7 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 6:45 PM CDT | Severe Thunderstorm Warning | OAX | Cuming, Stanton, Thurston, Wayne | 30 min |
| Jul 11, 6:50 PM CDT | Flash Flood Warning | OAX | Cuming, Stanton, Thurston, Wayne | 3 hr |
| Jul 11, 7:15 PM CDT | Severe Thunderstorm Warning | OAX | Burt, Colfax, Cuming, Thurston | 30 min |
| Jul 11, 7:41 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 34 min |
| Jul 11, 8:10 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 35 min |
| Jul 11, 8:33 PM CDT | Severe Thunderstorm Warning | GID | Nuckolls | 24 min |
| Jul 11, 9:56 PM CDT | Severe Thunderstorm Warning | OAX | Dodge, Saunders, Washington | 34 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
Omaha, NE (KOAX), launched 12:00Z, 9.1 hours before the alert went out and 78 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.
- Mixed-layer CAPE
- 1239 J/kg
- Mixed-layer CIN
- -422 J/kg
- Mixed-layer LCL
- 1275 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 186 m²/s²
- 0-3 km storm-relative helicity
- 202 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 3:16 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Buena Vista, Calhoun and 37 more | 119 min |
| Jul 11, 3:48 PM CDT | Severe Thunderstorm Watch | SPC | Audubon, Buena Vista, Calhoun, Carroll, Cherokee, Clay and 21 more | 7 hr |
Nearby
Severe Thunderstorm Watches in Nebraska, 2016Severe Thunderstorm Watches in Kansas, 2016Severe Thunderstorm Watches in Iowa, 2016Every 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.