Alert archive / Kansas / Tornado Watches in 2019
Tornado Watch 572
The Storm Prediction Center issued this tornado watch at Aug 11, 2019, 2:46 PM MDT for Cheyenne County, Kit Carson County, Yuma County, Colorado; 11 counties in Kansas; 10 counties in Nebraska. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 11, 2019, 2:46 PM MDT (20:46 UTC)
- Expired
- Aug 11, 2019, 10:00 PM MDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2.5 in
- Strongest gust expected
- 75 kt
All 24 counties
Cheyenne County, CO, Kit Carson County, CO, Yuma County, CO, Cheyenne County, KS, Decatur County, KS, Gove County, KS, Greeley County, KS, Logan County, KS, Rawlins County, KS, Sheridan County, KS, Sherman County, KS, Thomas County, KS, Wallace County, KS, Wichita County, KS, Chase County, NE, Deuel County, NE, Dundy County, NE, Frontier County, NE, Hayes County, NE, Hitchcock County, NE, Keith County, NE, Lincoln County, NE, Perkins County, NE, Red Willow County, NE
The radar
The Goodland radar (KGLD), 103 km from the middle of the area, began a volume at 20:45 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
- 40%
- One or more EF2 to EF5 tornadoes
- 10%
- Ten or more severe wind reports
- 70%
- One or more gusts of 65 knots or more
- 70%
- Ten or more severe hail reports
- 40%
- One or more hailstones of 2 inches or more
- 40%
- Six or more combined severe hail and wind reports
- 90%
Warnings issued inside it
25 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 3:42 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 63 min |
| Aug 11, 3:55 PM MDT | Tornado Warning | GLD | Yuma | 50 min |
| Aug 11, 4:39 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 51 min |
| Aug 11, 4:44 PM MDT | Tornado Warning | GLD | Yuma | 31 min |
| Aug 11, 5:12 PM MDT | Tornado Warning | GLD | Yuma | 48 min |
| Aug 11, 5:30 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 25 min |
| Aug 11, 5:48 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson, Yuma | 22 min |
| Aug 11, 5:51 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Sherman | 54 min |
| Aug 11, 5:52 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 53 min |
| Aug 11, 6:04 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 41 min |
| Aug 11, 6:40 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Rawlins | 65 min |
| Aug 11, 6:43 PM MDT | Tornado Warning | GLD | Cheyenne, Rawlins | 28 min |
| Aug 11, 6:44 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 46 min |
| Aug 11, 6:49 PM MDT | Severe Thunderstorm Warning | GLD | Dundy | 41 min |
| Aug 11, 7:21 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Rawlins | 54 min |
| Aug 11, 7:32 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Kit Carson | 43 min |
| Aug 11, 7:38 PM MDT | Flash Flood Warning | LBF | Deuel, Garden | 6 hr |
| Aug 11, 7:40 PM MDT | Flash Flood Warning | GLD | Kit Carson, Yuma | 4 hr |
| Aug 11, 8:10 PM MDT | Severe Thunderstorm Warning | GLD | Decatur, Rawlins, Sheridan, Thomas | 65 min |
| Aug 11, 8:15 PM MDT | Severe Thunderstorm Warning | GLD | Gove, Logan, Rawlins, Sheridan, Sherman, Thomas and 1 more | 60 min |
| Aug 11, 8:33 PM MDT | Flash Flood Warning | GLD | Decatur, Gove, Graham, Logan, Norton, Sheridan and 2 more | 5 hr |
| Aug 11, 9:03 PM MDT | Severe Thunderstorm Warning | GLD | Decatur, Gove, Graham, Norton, Sheridan | 87 min |
| Aug 11, 9:17 PM MDT | Severe Thunderstorm Warning | GLD | Decatur, Gove, Logan, Rawlins, Sheridan, Thomas | 43 min |
| Aug 11, 9:51 PM MDT | Severe Thunderstorm Warning | GLD | Decatur | 39 min |
| Aug 11, 9:55 PM MDT | Severe Thunderstorm Warning | GLD | Decatur, Gove, Logan, Norton, Rawlins, Sheridan and 1 more | 65 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
Denver, CO (KDNR), launched 12:00Z, 8.8 hours before the alert went out and 129 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
- 6 J/kg
- Mixed-layer CIN
- -342 J/kg
- Mixed-layer LCL
- 1668 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- -68 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 |
|---|---|---|---|---|
| Aug 11, 12:54 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Elbert, Logan, Morgan, Phillips and 4 more | 2 hr |
| Aug 11, 1:24 PM MDT | Severe Thunderstorm Watch | SPC | Adams, Arapahoe, Douglas, Elbert, Lincoln, Logan and 5 more | 7 hr |
| Aug 11, 2:20 PM MDT | Mesoscale Discussion | SPC | Kit Carson, Yuma | 85 min |
| Aug 11, 4:51 PM MDT | Mesoscale Discussion | SPC | Adams, Arapahoe, Broomfield, Denver, Elbert, El Paso and 5 more | 114 min |
| Aug 11, 5:05 PM MDT | Mesoscale Discussion | SPC | Cheyenne, Kit Carson, Phillips, Sedgwick, Yuma | 115 min |
| Aug 10, 10:43 PM MDT | Mesoscale Discussion | SPC | Decatur, Gove, Graham, Jewell, Mitchell, Norton and 9 more | 92 min |
| Aug 11, 12:46 AM MDT | Mesoscale Discussion | SPC | Clay, Cloud, Dickinson, Geary, Jewell, Lincoln and 12 more | 119 min |
Nearby
Tornado Watches in Kansas, 2019Tornado Watches in Nebraska, 2019Tornado Watches in Colorado, 2019Every tornado 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.