Alert archive / Nebraska / Tornado Watches in 2019
Tornado Watch 172
The Storm Prediction Center issued this tornado watch at May 17, 2019, 1:59 PM MDT for Yuma County, Colorado; 13 counties in Kansas; 33 counties in Nebraska. It was in force for 9 hr.
The area
The outline as issued.
The facts
- Issued
- May 17, 2019, 1:59 PM MDT (19:59 UTC)
- Expired
- May 17, 2019, 11:00 PM MDT
- In force
- 9 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 3 in
- Strongest gust expected
- 60 kt
All 47 counties
Yuma County, CO, Cheyenne County, KS, Decatur County, KS, Gove County, KS, Graham County, KS, Greeley County, KS, Logan County, KS, Norton County, KS, Rawlins County, KS, Sheridan County, KS, Sherman County, KS, Thomas County, KS, Wallace County, KS, Wichita County, KS, Arthur County, NE, Blaine County, NE, Buffalo County, NE, Chase County, NE, Custer County, NE, Dawson County, NE, Deuel County, NE, Dundy County, NE, Frontier County, NE, Furnas County, NE, Garden County, NE, Garfield County, NE, Gosper County, NE, Grant County, NE, Greeley County, NE, Harlan County, NE, Hayes County, NE, Hitchcock County, NE, Holt County, NE, Hooker County, NE, Keith County, NE, Lincoln County, NE, Logan County, NE, Loup County, NE, McPherson County, NE, Perkins County, NE, Phelps County, NE, Red Willow County, NE, Rock County, NE, Sherman County, NE, Thomas County, NE, Valley County, NE, Wheeler County, NE
The radar
The Goodland radar (KGLD), 89 km from the middle of the area, began a volume at 20:01 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
- 70%
- One or more EF2 to EF5 tornadoes
- 50%
- Ten or more severe wind reports
- 70%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 90%
- One or more hailstones of 2 inches or more
- 70%
- Six or more combined severe hail and wind reports
- 95%
Warnings issued inside it
52 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 2:28 PM MDT | Severe Thunderstorm Warning | GLD | Sherman | 47 min |
| May 17, 2:38 PM MDT | Severe Thunderstorm Warning | GLD | Sherman, Wallace | 52 min |
| May 17, 2:47 PM MDT | Severe Thunderstorm Warning | GID | Dawson, Gosper, Phelps | 43 min |
| May 17, 2:54 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Rawlins | 51 min |
| May 17, 3:03 PM MDT | Severe Thunderstorm Warning | LBF | Blaine, Brown, Cherry, Thomas | 42 min |
| May 17, 3:22 PM MDT | Severe Thunderstorm Warning | GID | Buffalo, Dawson | 23 min |
| May 17, 3:22 PM MDT | Severe Thunderstorm Warning | LBF | Blaine, Brown, Custer, Loup, Rock | 38 min |
| May 17, 3:27 PM MDT | Severe Thunderstorm Warning | LBF | Keith, Perkins | 48 min |
| May 17, 3:31 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 44 min |
| May 17, 3:33 PM MDT | Severe Thunderstorm Warning | LBF | Deuel, Garden, Keith | 42 min |
| May 17, 3:43 PM MDT | Severe Thunderstorm Warning | GLD | Rawlins | 47 min |
| May 17, 3:46 PM MDT | Severe Thunderstorm Warning | GID | Sherman, Valley | 44 min |
| May 17, 3:56 PM MDT | Severe Thunderstorm Warning | GLD | Dundy, Hitchcock | 34 min |
| May 17, 3:59 PM MDT | Severe Thunderstorm Warning | LBF | Blaine, Loup, Rock | 46 min |
| May 17, 4:05 PM MDT | Severe Thunderstorm Warning | LBF | Arthur, Garden, Keith | 40 min |
| May 17, 4:15 PM MDT | Tornado Warning | GLD | Rawlins | 30 min |
| May 17, 4:16 PM MDT | Severe Thunderstorm Warning | LBF | Arthur, Keith | 44 min |
| May 17, 4:20 PM MDT | Severe Thunderstorm Warning | GLD | Hitchcock | 55 min |
| May 17, 4:37 PM MDT | Tornado Warning | GLD | Hitchcock, Red Willow | 23 min |
| May 17, 4:37 PM MDT | Severe Thunderstorm Warning | LBF | Holt, Rock | 38 min |
| May 17, 4:42 PM MDT | Severe Thunderstorm Warning | GLD | Red Willow | 38 min |
| May 17, 4:44 PM MDT | Severe Thunderstorm Warning | GLD | Hitchcock | 31 min |
| May 17, 4:51 PM MDT | Tornado Warning | GLD | Red Willow | 28 min |
| May 17, 4:58 PM MDT | Severe Thunderstorm Warning | LBF | Keith, Perkins | 47 min |
| May 17, 5:03 PM MDT | Tornado Warning | LBF | Frontier | 42 min |
| May 17, 5:07 PM MDT | Severe Thunderstorm Warning | LBF | Frontier, Hayes | 53 min |
| May 17, 5:12 PM MDT | Severe Thunderstorm Warning | LBF | Holt, Rock | 17 min |
| May 17, 5:13 PM MDT | Severe Thunderstorm Warning | LBF | Arthur, Grant, Hooker, McPherson | 47 min |
| May 17, 5:21 PM MDT | Severe Thunderstorm Warning | LBF | Brown, Keya Paha, Rock | 39 min |
| May 17, 5:27 PM MDT | Severe Thunderstorm Warning | LBF | Hayes, Lincoln | 24 min |
| May 17, 5:34 PM MDT | Severe Thunderstorm Warning | LBF | Brown, Cherry, Thomas | 41 min |
| May 17, 5:41 PM MDT | Tornado Warning | LBF | Frontier | 49 min |
| May 17, 5:48 PM MDT | Tornado Warning | GID | Dawson | 57 min |
| May 17, 5:58 PM MDT | Severe Thunderstorm Warning | LBF | Cherry, Hooker | 47 min |
| May 17, 6:04 PM MDT | Tornado Warning | LBF | Frontier, Lincoln | 41 min |
| May 17, 6:40 PM MDT | Tornado Warning | GID | Dawson | 65 min |
| May 17, 6:40 PM MDT | Severe Thunderstorm Warning | LBF | Cherry, Thomas | 50 min |
| May 17, 7:15 PM MDT | Tornado Warning | LBF | Custer | 45 min |
| May 17, 7:59 PM MDT | Severe Thunderstorm Warning | LBF | Logan, Thomas | 31 min |
| May 17, 8:00 PM MDT | Severe Thunderstorm Warning | LBF | Custer | 45 min |
| May 17, 8:13 PM MDT | Severe Thunderstorm Warning | LBF | Lincoln | 32 min |
| May 17, 8:26 PM MDT | Severe Thunderstorm Warning | LBF | Blaine, Custer, Logan | 34 min |
| May 17, 8:36 PM MDT | Severe Thunderstorm Warning | GID | Sherman, Valley | 54 min |
| May 17, 8:40 PM MDT | Severe Thunderstorm Warning | GID | Dawson | 65 min |
| May 17, 8:44 PM MDT | Severe Thunderstorm Warning | LBF | Custer, Lincoln | 31 min |
| May 17, 9:08 PM MDT | Severe Thunderstorm Warning | LBF | Blaine, Custer, Loup | 52 min |
| May 17, 9:15 PM MDT | Severe Thunderstorm Warning | LBF | Holt, Loup, Rock | 45 min |
| May 17, 9:22 PM MDT | Tornado Warning | GID | Valley | 24 min |
| May 17, 9:30 PM MDT | Severe Thunderstorm Warning | LBF | Garfield, Wheeler | 45 min |
| May 17, 9:45 PM MDT | Severe Thunderstorm Warning | GID | Dawson | 45 min |
| May 17, 9:58 PM MDT | Severe Thunderstorm Warning | LBF | Custer | 32 min |
| May 17, 10:41 PM MDT | Severe Thunderstorm Warning | GID | Sherman, Valley | 52 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
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 8.0 hours before the alert went out and 128 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
- 31 J/kg
- Mixed-layer CIN
- -721 J/kg
- Mixed-layer LCL
- 1114 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 328 m²/s²
- 0-3 km storm-relative helicity
- 332 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 |
|---|---|---|---|---|
| May 17, 12:14 PM MDT | Mesoscale Discussion | SPC | Logan, Weld | 2 hr |
| May 17, 12:54 PM MDT | Severe Thunderstorm Watch | SPC | Logan, Morgan, Phillips, Sedgwick, Washington, Weld | 6 hr |
| May 17, 4:07 PM MDT | Mesoscale Discussion | SPC | Logan, Morgan, Phillips, Sedgwick, Washington, Weld | 113 min |
| May 17, 4:45 PM MDT | Mesoscale Discussion | SPC | Yuma | 2 hr |
| May 17, 12:55 PM MDT | Mesoscale Discussion | SPC | Cheyenne, Decatur, Gove, Logan, Norton, Rawlins and 2 more | 2 hr |
| May 16, 6:57 PM MDT | Severe Thunderstorm Watch | SPC | Burt, Cuming, Dodge, Washington | 6 hr |
| May 16, 7:06 PM MDT | Mesoscale Discussion | SPC | Antelope, Arthur, Blaine, Boone, Brown, Buffalo and 28 more | 114 min |
| May 16, 10:12 PM MDT | Mesoscale Discussion | SPC | Burt, Cuming, Dodge, Washington | 2 hr |
| May 17, 3:38 PM MDT | Severe Thunderstorm Watch | SPC | Boyd, Brown, Cherry, Keya Paha, Sheridan | 7 hr |
Nearby
Tornado Watches in Nebraska, 2019Tornado Watches in Kansas, 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.