Alert archive / Kansas / Severe Thunderstorm Watches in 2016
Severe Thunderstorm Watch 520
The Storm Prediction Center issued this severe thunderstorm watch at Dec 25, 2016, 10:45 AM CST for 35 counties in Kansas; 5 counties in Nebraska. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Dec 25, 2016, 10:45 AM CST (16:45 UTC)
- Expired
- Dec 25, 2016, 3:31 PM CST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 60 kt
All 40 counties
Barber County, KS, Barton County, KS, Butler County, KS, Chase County, KS, Clay County, KS, Cloud County, KS, Cowley County, KS, Dickinson County, KS, Ellsworth County, KS, Geary County, KS, Harper County, KS, Harvey County, KS, Jewell County, KS, Kingman County, KS, Lincoln County, KS, Marion County, KS, McPherson County, KS, Mitchell County, KS, Morris County, KS, Osborne County, KS, Ottawa County, KS, Phillips County, KS, Pratt County, KS, Reno County, KS, Republic County, KS, Rice County, KS, Riley County, KS, Rooks County, KS, Russell County, KS, Saline County, KS, Sedgwick County, KS, Smith County, KS, Stafford County, KS, Sumner County, KS, Washington County, KS, Franklin County, NE, Harlan County, NE, Nuckolls County, NE, Thayer County, NE, Webster County, NE
The radar
The Grand Island radar (KUEX), 153 km from the middle of the area, began a volume at 16:46 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
- 20%
- One or more EF2 to EF5 tornadoes
- 10%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 5%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 50%
Warnings issued inside it
6 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 25, 11:43 AM CST | Severe Thunderstorm Warning | DDC | Pratt, Stafford | 18 min |
| Dec 25, 12:19 PM CST | Severe Thunderstorm Warning | GID | Adams, Franklin, Kearney, Webster | 41 min |
| Dec 25, 12:22 PM CST | Severe Thunderstorm Warning | ICT | Ellsworth, Lincoln, McPherson, Rice, Saline | 37 min |
| Dec 25, 12:47 PM CST | Severe Thunderstorm Warning | GID | Adams, Clay, Nuckolls, Webster | 43 min |
| Dec 25, 1:23 PM CST | Severe Thunderstorm Warning | TOP | Republic | 37 min |
| Dec 25, 1:53 PM CST | Severe Thunderstorm Warning | GID | Fillmore, Thayer | 26 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
Dodge City, (KDDC), launched 12:00Z, 4.8 hours before the alert went out and 179 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
- 152 J/kg
- Mixed-layer CIN
- -211 J/kg
- Mixed-layer LCL
- 565 m above ground
- 0-6 km bulk shear
- 68 kt
- 0-1 km storm-relative helicity
- 477 m²/s²
- 0-3 km storm-relative helicity
- 492 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 25, 7:16 AM CST | Mesoscale Discussion | SPC | Clark, Finney, Ford, Gove, Grant, Gray and 11 more | 89 min |
| Dec 25, 12:49 PM CST | Mesoscale Discussion | SPC | Butler, Chase, Clay, Cloud, Cowley, Dickinson and 18 more | 116 min |
| Dec 25, 3:27 PM CST | Mesoscale Discussion | SPC | Allen, Anderson, Atchison, Bourbon, Brown, Chautauqua and 25 more | 2 hr |
| Dec 25, 4:32 AM CST | Mesoscale Discussion | SPC | Banner, Kimball, Scotts Bluff, Sioux | 6 hr |
Nearby
Severe Thunderstorm Watches in Kansas, 2016Severe Thunderstorm Watches in Nebraska, 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.