Alert archive / Kansas / Severe Thunderstorm Watches in 2017
Severe Thunderstorm Watch 391
The Storm Prediction Center issued this severe thunderstorm watch at Jul 3, 2017, 12:02 AM CDT for 20 counties in Kansas; Franklin County, Nuckolls County, Webster County, Nebraska. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 3, 2017, 12:02 AM CDT (05:02 UTC)
- Expired
- Jul 3, 2017, 4:03 AM CDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
All 23 counties
Barton County, KS, Cloud County, KS, Ellis County, KS, Ellsworth County, KS, Jewell County, KS, Lane County, KS, Lincoln County, KS, Mitchell County, KS, Ness County, KS, Osborne County, KS, Ottawa County, KS, Republic County, KS, Rice County, KS, Rooks County, KS, Rush County, KS, Russell County, KS, Saline County, KS, Scott County, KS, Smith County, KS, Trego County, KS, Franklin County, NE, Nuckolls County, NE, Webster County, NE
The radar
The Grand Island radar (KUEX), 105 km from the middle of the area, began a volume at 05:04 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
- 30%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 30%
- One or more hailstones of 2 inches or more
- 10%
- Six or more combined severe hail and wind reports
- 60%
Warnings issued inside it
4 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 3, 12:14 AM CDT | Severe Thunderstorm Warning | GID | Jewell, Osborne, Phillips, Rooks, Smith | 46 min |
| Jul 3, 12:15 AM CDT | Severe Thunderstorm Warning | ICT | Lincoln, Russell | 75 min |
| Jul 3, 12:20 AM CDT | Severe Thunderstorm Warning | DDC | Ellis | 70 min |
| Jul 3, 12:34 AM CDT | Severe Thunderstorm Warning | GID | Adams, Webster | 41 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 00:00Z, 5.0 hours before the alert went out and 207 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
- 723 J/kg
- Mixed-layer CIN
- -193 J/kg
- Mixed-layer LCL
- 2226 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 227 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 8:04 PM CDT | Mesoscale Discussion | SPC | Cheyenne, Decatur, Graham, Norton, Phillips, Rawlins and 4 more | 56 min |
| Jul 2, 10:56 PM CDT | Mesoscale Discussion | SPC | Barton, Ellis, Finney, Gove, Graham, Hodgeman and 12 more | 34 min |
| Jul 3, 3:34 AM CDT | Mesoscale Discussion | SPC | Barton, Edwards, Ellis, Ellsworth, Gove, Hodgeman and 15 more | 116 min |
| Jul 3, 3:24 PM CDT | Severe Thunderstorm Watch | SPC | Barber, Clark, Comanche, Meade | 9 hr |
| Jul 3, 5:49 PM CDT | Mesoscale Discussion | SPC | Cheyenne, Rawlins, Sherman, Thomas | 56 min |
Nearby
Severe Thunderstorm Watches in Kansas, 2017Severe Thunderstorm Watches in Nebraska, 2017Every severe thunderstorm watch in 2017
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.