Alert archive / Nebraska / Tornado Watches in 2010
Tornado Watch 660
The Storm Prediction Center issued this tornado watch at Sep 14, 2010, 5:22 PM MDT for 18 counties in Nebraska; 14 counties in South Dakota. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 14, 2010, 5:22 PM MDT (23:22 UTC)
- Expired
- Sep 14, 2010, 8:56 PM MDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 32 counties
Arthur County, NE, Blaine County, NE, Boyd County, NE, Brown County, NE, Cherry County, NE, Garden County, NE, Garfield County, NE, Grant County, NE, Holt County, NE, Hooker County, NE, Keya Paha County, NE, Logan County, NE, Loup County, NE, McPherson County, NE, Rock County, NE, Sheridan County, NE, Thomas County, NE, Wheeler County, NE, Aurora County, SD, Bennett County, SD, Brule County, SD, Buffalo County, SD, Charles Mix County, SD, Douglas County, SD, Gregory County, SD, Jackson County, SD, Jerauld County, SD, Jones County, SD, Lyman County, SD, Mellette County, SD, Todd County, SD, Tripp County, SD
The radar
The North Platte radar (KLNX), 122 km from the middle of the area, began a volume at 23:24 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
- 30%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 40%
- 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
- 70%
Warnings issued inside it
1 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 14, 8:42 PM MDT | Severe Thunderstorm Warning | ABR | Buffalo, Lyman | 48 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 13, 6:40 PM MDT | Mesoscale Discussion | SPC | Adams, Buffalo, Butler, Cass, Clay, Colfax and 35 more | 65 min |
| Sep 13, 8:58 PM MDT | Severe Thunderstorm Watch | SPC | Adams, Buffalo, Clay, Fillmore, Franklin, Gage and 14 more | 5 hr |
| Sep 13, 10:45 PM MDT | Mesoscale Discussion | SPC | Adams, Clay, Franklin, Harlan, Jefferson, Kearney and 4 more | 60 min |
| Sep 14, 4:43 PM MDT | Mesoscale Discussion | SPC | Arthur, Blaine, Box Butte, Boyd, Brown, Chase and 21 more | 92 min |
Nearby
Tornado Watches in Nebraska, 2010Tornado Watches in South Dakota, 2010Every tornado watch in 2010
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.