Alert archive / Nebraska / Tornado Watches in 2026
Tornado Watch 99
The Storm Prediction Center issued this tornado watch at Apr 11, 2026, 4:31 PM CDT for 5 counties in Kansas; 17 counties in Nebraska. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 11, 2026, 4:31 PM CDT (21:31 UTC)
- Expired
- Apr 11, 2026, 7:28 PM CDT
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
All 22 counties
Jewell County, KS, Phillips County, KS, Republic County, KS, Smith County, KS, Washington County, KS, Adams County, NE, Buffalo County, NE, Clay County, NE, Fillmore County, NE, Franklin County, NE, Gage County, NE, Hall County, NE, Hamilton County, NE, Harlan County, NE, Jefferson County, NE, Kearney County, NE, Nuckolls County, NE, Phelps County, NE, Saline County, NE, Thayer County, NE, Webster County, NE, York County, NE
The radar
The Grand Island radar (KUEX), 9 km from the middle of the area, began a volume at 21:31 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
- 30%
- One or more hailstones of 2 inches or more
- 20%
- Six or more combined severe hail and wind reports
- 60%
Warnings issued inside it
6 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 11, 4:48 PM CDT | Severe Thunderstorm Warning | TOP | Republic | 27 min |
| Apr 11, 5:12 PM CDT | Severe Thunderstorm Warning | TOP | Republic, Washington | 33 min |
| Apr 11, 5:43 PM CDT | Severe Thunderstorm Warning | TOP | Republic, Washington | 32 min |
| Apr 11, 5:46 PM CDT | Severe Thunderstorm Warning | OAX | Jefferson | 44 min |
| Apr 11, 6:10 PM CDT | Severe Thunderstorm Warning | OAX | Gage, Jefferson | 39 min |
| Apr 11, 6:33 PM CDT | Tornado Warning | OAX | Gage, Jefferson | 13 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
Topeka, KS (KTOP), launched 12:00Z, 9.5 hours before the alert went out and 278 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
- 678 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 314 m²/s²
- 0-3 km storm-relative helicity
- 339 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 11, 1:56 PM CDT | Mesoscale Discussion | SPC | Barton, Butler, Clay, Cloud, Dickinson, Ellsworth and 24 more | 3 hr |
| Apr 11, 5:32 PM CDT | Mesoscale Discussion | SPC | Butler, Harvey, Sedgwick | 88 min |
Nearby
Tornado Watches in Nebraska, 2026Tornado Watches in Kansas, 2026Every tornado watch in 2026
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.