Alert archive / Kansas / Severe Thunderstorm Watches in 2019
Severe Thunderstorm Watch 76
The Storm Prediction Center issued this severe thunderstorm watch at Apr 17, 2019, 4:27 PM CDT for 28 counties in Kansas; 20 counties in Oklahoma. It was in force for 8 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 17, 2019, 4:27 PM CDT (21:27 UTC)
- Expired
- Apr 18, 2019, 12:00 AM CDT
- In force
- 8 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2.5 in
- Strongest gust expected
- 60 kt
All 48 counties
Allen County, KS, Anderson County, KS, Barber County, KS, Butler County, KS, Chase County, KS, Chautauqua County, KS, Coffey County, KS, Comanche County, KS, Cowley County, KS, Douglas County, KS, Elk County, KS, Franklin County, KS, Greenwood County, KS, Harper County, KS, Harvey County, KS, Kingman County, KS, Labette County, KS, Lyon County, KS, Marion County, KS, Montgomery County, KS, Neosho County, KS, Osage County, KS, Pratt County, KS, Reno County, KS, Sedgwick County, KS, Sumner County, KS, Wilson County, KS, Woodson County, KS, Canadian County, OK, Cleveland County, OK, Craig County, OK, Garfield County, OK, Grady County, OK, Grant County, OK, Kay County, OK, Kingfisher County, OK, Lincoln County, OK, Logan County, OK, McClain County, OK, Noble County, OK, Nowata County, OK, Oklahoma County, OK, Osage County, OK, Pawnee County, OK, Payne County, OK, Pottawatomie County, OK, Seminole County, OK, Washington County, OK
The radar
The Wichita radar (KICT), 48 km from the middle of the area, began a volume at 21:27 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
- 5%
- Ten or more severe wind reports
- 70%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 95%
- One or more hailstones of 2 inches or more
- 60%
- Six or more combined severe hail and wind reports
- 95%
Warnings issued inside it
42 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 17, 4:51 PM CDT | Severe Thunderstorm Warning | TOP | Anderson, Franklin | 39 min |
| Apr 17, 6:19 PM CDT | Severe Thunderstorm Warning | ICT | Harper | 56 min |
| Apr 17, 6:31 PM CDT | Severe Thunderstorm Warning | ICT | Sedgwick, Sumner | 59 min |
| Apr 17, 7:06 PM CDT | Severe Thunderstorm Warning | ICT | Butler, Sedgwick, Sumner | 54 min |
| Apr 17, 7:23 PM CDT | Severe Thunderstorm Warning | ICT | Butler, Greenwood | 67 min |
| Apr 17, 7:27 PM CDT | Severe Thunderstorm Warning | ICT | Sedgwick, Sumner | 63 min |
| Apr 17, 7:32 PM CDT | Severe Thunderstorm Warning | ICT | Cowley | 58 min |
| Apr 17, 7:42 PM CDT | Severe Thunderstorm Warning | OUN | Blaine, Custer, Dewey, Kingfisher, Major | 48 min |
| Apr 17, 7:52 PM CDT | Severe Thunderstorm Warning | ICT | Greenwood | 38 min |
| Apr 17, 7:53 PM CDT | Severe Thunderstorm Warning | TOP | Coffey, Lyon | 67 min |
| Apr 17, 8:04 PM CDT | Severe Thunderstorm Warning | OUN | Blaine, Canadian, Kingfisher | 41 min |
| Apr 17, 8:10 PM CDT | Severe Thunderstorm Warning | TOP | Anderson, Coffey, Franklin | 65 min |
| Apr 17, 8:17 PM CDT | Severe Thunderstorm Warning | ICT | Harper | 43 min |
| Apr 17, 8:17 PM CDT | Severe Thunderstorm Warning | OUN | Alfalfa, Grant | 43 min |
| Apr 17, 8:24 PM CDT | Severe Thunderstorm Warning | OUN | Blaine, Garfield, Kingfisher, Major | 51 min |
| Apr 17, 8:26 PM CDT | Severe Thunderstorm Warning | ICT | Butler, Chautauqua, Cowley, Elk, Greenwood | 64 min |
| Apr 17, 8:28 PM CDT | Severe Thunderstorm Warning | ICT | Greenwood | 47 min |
| Apr 17, 8:40 PM CDT | Severe Thunderstorm Warning | OUN | Kingfisher, Logan | 50 min |
| Apr 17, 8:42 PM CDT | Severe Thunderstorm Warning | ICT | Butler, Cowley, Sedgwick, Sumner | 63 min |
| Apr 17, 8:43 PM CDT | Severe Thunderstorm Warning | TOP | Anderson, Franklin | 62 min |
| Apr 17, 8:53 PM CDT | Severe Thunderstorm Warning | OUN | Garfield, Grant, Kay, Noble | 52 min |
| Apr 17, 8:58 PM CDT | Severe Thunderstorm Warning | OUN | Garfield, Kingfisher, Logan, Noble | 47 min |
| Apr 17, 8:59 PM CDT | Severe Thunderstorm Warning | TOP | Coffey | 46 min |
| Apr 17, 9:08 PM CDT | Tornado Warning | TOP | Anderson, Franklin | 52 min |
| Apr 17, 9:12 PM CDT | Severe Thunderstorm Warning | ICT | Elk | 33 min |
| Apr 17, 9:14 PM CDT | Flash Flood Warning | TOP | Anderson, Coffey, Franklin | 3 hr |
| Apr 17, 9:14 PM CDT | Severe Thunderstorm Warning | TOP | Anderson, Coffey, Franklin | 44 min |
| Apr 17, 9:21 PM CDT | Severe Thunderstorm Warning | OUN | Lincoln, Logan, Noble, Payne | 39 min |
| Apr 17, 9:31 PM CDT | Severe Thunderstorm Warning | OUN | Kay, Noble, Payne | 56 min |
| Apr 17, 9:34 PM CDT | Severe Thunderstorm Warning | ICT | Elk, Greenwood, Wilson | 41 min |
| Apr 17, 9:34 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 56 min |
| Apr 17, 9:38 PM CDT | Severe Thunderstorm Warning | ICT | Cowley, Sumner | 52 min |
| Apr 17, 9:43 PM CDT | Severe Thunderstorm Warning | OUN | Canadian, Grady, Oklahoma | 32 min |
| Apr 17, 9:54 PM CDT | Severe Thunderstorm Warning | ICT | Cowley | 51 min |
| Apr 17, 9:58 PM CDT | Severe Thunderstorm Warning | OUN | Lincoln, Payne | 47 min |
| Apr 17, 10:14 PM CDT | Severe Thunderstorm Warning | OUN | Canadian, Cleveland, Grady, Logan, McClain, Oklahoma | 61 min |
| Apr 17, 10:21 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 39 min |
| Apr 17, 10:31 PM CDT | Severe Thunderstorm Warning | OUN | Grady | 24 min |
| Apr 17, 10:34 PM CDT | Tornado Warning | TSA | Osage | 26 min |
| Apr 17, 10:44 PM CDT | Severe Thunderstorm Warning | TSA | Nowata, Osage, Rogers, Washington | 46 min |
| Apr 17, 11:17 PM CDT | Severe Thunderstorm Warning | ICT | Labette, Montgomery | 58 min |
| Apr 17, 11:23 PM CDT | Severe Thunderstorm Warning | TSA | Craig, Nowata | 37 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
Norman, OK (KOUN), launched 12:00Z, 9.5 hours before the alert went out and 225 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
- 446 J/kg
- Mixed-layer CIN
- -373 J/kg
- Mixed-layer LCL
- 571 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 355 m²/s²
- 0-3 km storm-relative helicity
- 369 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 17, 2:42 PM CDT | Mesoscale Discussion | SPC | Barber, Butler, Chase, Coffey, Comanche, Cowley and 9 more | 3 hr |
| Apr 17, 5:11 PM CDT | Mesoscale Discussion | SPC | Atchison, Brown, Doniphan, Douglas, Jackson, Jefferson and 4 more | 94 min |
| Apr 17, 5:24 PM CDT | Severe Thunderstorm Watch | SPC | Atchison, Johnson, Leavenworth, Linn, Miami, Wyandotte | 7 hr |
| Apr 17, 6:08 PM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Barber, Bourbon, Butler, Chautauqua and 16 more | 97 min |
| Apr 17, 1:13 PM CDT | Mesoscale Discussion | SPC | Beckham, Ellis, Greer, Harmon, Roger Mills | 2 hr |
| Apr 17, 1:32 PM CDT | Severe Thunderstorm Watch | SPC | Alfalfa, Beaver, Beckham, Blaine, Custer, Dewey and 11 more | 6 hr |
| Apr 17, 3:30 PM CDT | Mesoscale Discussion | SPC | Carter, Jefferson, Love, Marshall | 2 hr |
| Apr 17, 3:43 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Beaver, Beckham, Custer, Dewey, Ellis and 8 more | 2 hr |
| Apr 17, 5:50 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Beckham, Custer, Dewey, Ellis, Greer and 9 more | 85 min |
| Apr 17, 5:54 PM CDT | Mesoscale Discussion | SPC | Jefferson, Love | 2 hr |
| Apr 17, 6:16 PM CDT | Severe Thunderstorm Watch | SPC | Bryan, Carter, Johnston, Love, Marshall | 9 hr |
Nearby
Severe Thunderstorm Watches in Kansas, 2019Severe Thunderstorm Watches in Oklahoma, 2019Every severe thunderstorm watch in 2019
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.