Alert archive / Nebraska / Tornado Watches in 2025
Tornado Watch 178
The Storm Prediction Center issued this tornado watch at Apr 27, 2025, 3:56 PM MDT for Sedgwick County, Colorado; 22 counties in Nebraska; 6 counties in South Dakota. It was in force for 9 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 27, 2025, 3:56 PM MDT (21:56 UTC)
- Expired
- Apr 28, 2025, 1:00 AM MDT
- In force
- 9 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 3 in
- Strongest gust expected
- 60 kt
All 29 counties
Sedgwick County, CO, Arthur County, NE, Box Butte County, NE, Brown County, NE, Chase County, NE, Cherry County, NE, Cheyenne County, NE, Dawes County, NE, Deuel County, NE, Garden County, NE, Grant County, NE, Hayes County, NE, Hooker County, NE, Keith County, NE, Keya Paha County, NE, Lincoln County, NE, Logan County, NE, McPherson County, NE, Morrill County, NE, Perkins County, NE, Rock County, NE, Sheridan County, NE, Thomas County, NE, Bennett County, SD, Jackson County, SD, Mellette County, SD, Oglala Lakota County, SD, Todd County, SD, Tripp County, SD
The radar
The North Platte radar (KLNX), 103 km from the middle of the area, began a volume at 21:56 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
- 20%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 50%
- One or more hailstones of 2 inches or more
- 40%
- Six or more combined severe hail and wind reports
- 80%
Warnings issued inside it
31 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 4:47 PM MDT | Severe Thunderstorm Warning | LBF | Cherry, Garden, Grant, Sheridan | 43 min |
| Apr 27, 5:16 PM MDT | Tornado Warning | LBF | Cherry, Garden, Grant, Sheridan | 44 min |
| Apr 27, 5:24 PM MDT | Severe Thunderstorm Warning | LBF | Cherry, Grant | 36 min |
| Apr 27, 5:52 PM MDT | Severe Thunderstorm Warning | LBF | Sheridan | 38 min |
| Apr 27, 5:53 PM MDT | Tornado Warning | LBF | Cherry, Garden, Grant, Sheridan | 52 min |
| Apr 27, 6:05 PM MDT | Severe Thunderstorm Warning | LBF | Sheridan | 40 min |
| Apr 27, 6:08 PM MDT | Severe Thunderstorm Warning | LBF | Cherry, Grant, Hooker | 52 min |
| Apr 27, 6:17 PM MDT | Severe Thunderstorm Warning | LBF | Sheridan | 43 min |
| Apr 27, 6:18 PM MDT | Severe Thunderstorm Warning | UNR | Oglala Lakota | 72 min |
| Apr 27, 6:28 PM MDT | Tornado Warning | LBF | Cherry, Grant | 47 min |
| Apr 27, 6:33 PM MDT | Severe Thunderstorm Warning | LBF | Arthur, Grant, Hooker | 42 min |
| Apr 27, 6:44 PM MDT | Tornado Warning | LBF | Cherry, Grant, Sheridan | 46 min |
| Apr 27, 6:49 PM MDT | Severe Thunderstorm Warning | LBF | Sheridan | 41 min |
| Apr 27, 7:08 PM MDT | Tornado Warning | LBF | Cherry, Grant | 52 min |
| Apr 27, 7:10 PM MDT | Tornado Warning | LBF | Cherry | 35 min |
| Apr 27, 7:15 PM MDT | Severe Thunderstorm Warning | UNR | Oglala Lakota | 45 min |
| Apr 27, 7:44 PM MDT | Severe Thunderstorm Warning | LBF | Cherry | 46 min |
| Apr 27, 7:44 PM MDT | Tornado Warning | LBF | Cherry | 46 min |
| Apr 27, 7:53 PM MDT | Severe Thunderstorm Warning | UNR | Custer, Oglala Lakota, Pennington | 52 min |
| Apr 27, 8:10 PM MDT | Severe Thunderstorm Warning | LBF | Sheridan | 23 min |
| Apr 27, 8:23 PM MDT | Tornado Warning | LBF | Cherry | 37 min |
| Apr 27, 8:33 PM MDT | Severe Thunderstorm Warning | CYS | Dawes | 27 min |
| Apr 27, 8:36 PM MDT | Severe Thunderstorm Warning | CYS | Box Butte, Dawes, Sioux | 39 min |
| Apr 27, 8:51 PM MDT | Severe Thunderstorm Warning | UNR | Custer, Fall River, Oglala Lakota | 37 min |
| Apr 27, 8:52 PM MDT | Tornado Warning | LBF | Cherry | 38 min |
| Apr 27, 9:25 PM MDT | Tornado Warning | LBF | Cherry | 50 min |
| Apr 27, 9:57 PM MDT | Tornado Warning | LBF | Cherry | 48 min |
| Apr 27, 10:21 PM MDT | Severe Thunderstorm Warning | UNR | Bennett | 54 min |
| Apr 27, 10:36 PM MDT | Severe Thunderstorm Warning | UNR | Todd | 43 min |
| Apr 27, 11:04 PM MDT | Severe Thunderstorm Warning | UNR | Bennett, Todd | 56 min |
| Apr 27, 11:40 PM MDT | Severe Thunderstorm Warning | UNR | Mellette, Todd | 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
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 9.9 hours before the alert went out and 175 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 551 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 296 m²/s²
- 0-3 km storm-relative helicity
- 367 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 2:29 PM MDT | Mesoscale Discussion | SPC | Phillips, Sedgwick | 2 hr |
| Apr 27, 5:44 PM MDT | Mesoscale Discussion | SPC | Arthur, Grant, Hooker, McPherson, Sheridan | 91 min |
| Apr 27, 4:17 PM MDT | Mesoscale Discussion | SPC | Butte, Harding, Lawrence, Meade | 88 min |
| Apr 27, 4:34 PM MDT | Severe Thunderstorm Watch | SPC | Butte, Custer, Fall River, Haakon, Harding, Lawrence and 4 more | 7 hr |
Nearby
Tornado Watches in Nebraska, 2025Tornado Watches in South Dakota, 2025Tornado Watches in Colorado, 2025Every tornado watch in 2025
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.