Alert archive / Kansas / Severe Thunderstorm Watches in 2015
Severe Thunderstorm Watch 441
The Storm Prediction Center issued this severe thunderstorm watch at Jul 19, 2015, 2:57 AM CDT for 26 counties in Kansas. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 19, 2015, 2:57 AM CDT (07:57 UTC)
- Expired
- Jul 19, 2015, 7:44 AM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 65 kt
All 26 counties
Barton County, KS, Clay County, KS, Cloud County, KS, Dickinson County, KS, Ellis County, KS, Ellsworth County, KS, Geary County, KS, Jewell County, KS, Lincoln County, KS, Marshall County, KS, McPherson County, KS, Mitchell County, KS, Ness County, KS, Osborne County, KS, Ottawa County, KS, Phillips County, KS, Republic County, KS, Rice County, KS, Riley County, KS, Rooks County, KS, Rush County, KS, Russell County, KS, Saline County, KS, Smith County, KS, Trego County, KS, Washington County, KS
The radar
The Grand Island radar (KUEX), 157 km from the middle of the area, began a volume at 08:01 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
- 30%
- Ten or more severe hail reports
- 10%
- One or more hailstones of 2 inches or more
- 10%
- Six or more combined severe hail and wind reports
- 60%
Warnings issued inside it
5 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 3:13 AM CDT | Severe Thunderstorm Warning | GID | Osborne, Smith | 47 min |
| Jul 19, 4:36 AM CDT | Severe Thunderstorm Warning | ICT | Lincoln | 24 min |
| Jul 19, 4:43 AM CDT | Severe Thunderstorm Warning | ICT | Ellsworth, Saline | 47 min |
| Jul 19, 4:56 AM CDT | Severe Thunderstorm Warning | ICT | Lincoln | 34 min |
| Jul 19, 7:42 AM CDT | Flash Flood Warning | TOP | Marshall, Nemaha | 4 hr |
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, 8.0 hours before the alert went out and 158 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
- 300 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 3123 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 96 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 18, 7:41 PM CDT | Severe Thunderstorm Watch | SPC | Cheyenne, Decatur, Gove, Logan, Rawlins, Sheridan and 3 more | 6 hr |
| Jul 18, 8:30 PM CDT | Mesoscale Discussion | SPC | Atchison, Brown, Clay, Dickinson, Doniphan, Douglas and 12 more | 60 min |
| Jul 18, 10:54 PM CDT | Mesoscale Discussion | SPC | Decatur, Gove, Logan, Rawlins, Sheridan, Sherman and 2 more | 96 min |
| Jul 19, 1:03 AM CDT | Mesoscale Discussion | SPC | Decatur, Ellis, Gove, Graham, Lane, Ness and 7 more | 57 min |
| Jul 19, 5:05 AM CDT | Mesoscale Discussion | SPC | Clay, Cloud, Geary, Jewell, Marshall, Ottawa and 4 more | 85 min |
| Jul 19, 2:18 PM CDT | Mesoscale Discussion | SPC | Cheyenne, Greeley, Hamilton, Kearny, Logan, Rawlins and 6 more | 117 min |
| Jul 19, 3:37 PM CDT | Severe Thunderstorm Watch | SPC | Cheyenne, Clark, Comanche, Edwards, Finney, Ford and 24 more | 8 hr |
Nearby
Severe Thunderstorm Watches in Kansas, 2015Every severe thunderstorm watch in 2015
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.