Power Pacific system will continue to bring significant impacts for Pacific Northwest into northern California the remainder of the week. Dangerous coastal affects, heavy rain, flooding, strong winds, and higher elevation mountain snow continues. Meanwhile, a storm across the east is set to bring the first accumulating snow to many higher elevations of the Catskills into the central Appalachians. Read More >
Overview
On Monday, June 12th several severe thunderstorms moved through northwestern Nebraska. One of them dropped a tornado north of Antoich that caused some damage. At least two homesteads sustained some damage with cottonwood trees snapped and twisted, an old barn was destroyed, and a wind break was damaged. There was also damage done to 30 wooden power poles that had to be replaced. The path is discontinuous.
Tornadoes:
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Tornado - Southern Sheridan County
Track Map  
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The Enhanced Fujita (EF) Scale classifies tornadoes into the following categories:
| EF0 Weak 65-85 mph |
EF1 Moderate 86-110 mph |
EF2 Significant 111-135 mph |
EF3 Severe 136-165 mph |
EF4 Extreme 166-200 mph |
EF5 Catastrophic 200+ mph |
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Information Statement
...NWS DAMAGE ASSESSMENT FOR 06/12/2017 ANTIOCH TORNADO EVENT... .Updated path length and damage description. .NORTH ANTIOCH NEBRASKA TORNADO... Rating: EF-1 Estimated peak wind: 100 mph Path length /Statute/: 9.6 miles Path width /Maximum/: 10 yards Fatalities: 0 Injuries: 0 Start date: June 12, 2017 Start time: 8:30 pm MDT Start location: 3 miles WNW of Antioch, NE End date: June 12, 2017 End time: 8:45 pm MDT End location: 9.5 miles N of Antioch, NE SUMMARY: Witnesses describe a tornado touching down and destroying mainly cottonwood trees and wind breaks. There was one large healthy cottonwood tree that was snapped and twisted with branches strewn across the property. There was also damage to an old barn and a large outbuilding with hangar doors. There was a partial collapse of the barn and the hangar doors were blown off of the large metal outbuilding. The tornado also picked up a pile of lumber and scattered it across the property. The local power company reports that 30 power poles were also replaced due to damage, some poles were snapped and others were pushed over. EF Scale: The Enhanced Fujita Scale Classifies Tornadoes into the following categories. EF0...Weak......65 to 85 mph EF1...Weak......86 to 110 mph EF2...Strong....111 to 135 mph EF3...Strong....136 to 165 mph EF4...Violent...166 To 200 mph EF5...Violent...>200 mph NOTE: The information in this statement is PRELIMINARY and subject to change pending final review of the event and publication in NWS Storm Data.
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