How the storm impacted south of the Metro. But parts of Cass county were deluged with heavy rains that caused flash flooding (www.cassgram.com) resulting in some typical road damage, and there was some wind damage, mainly to trees.
The Cassgram reports in Cass County, various parts of the county were under flash flood warnings from Saturday afternoon through the early morning hours on Sunday. City, county and state road crews were summed to remove trees and debris from the roadway. Police scanner reports indicated roads were affected from the Greenwood area where parts of westbound Interstate 80 were underwater at 1:38pm, stopping traffic on the interstate, to Highway 75 in the Rieke Road area between Murray and Union.
From the National Weather Service reports gathered from its own surveys, law enforcement, emergency management agencies and trained weather spotters:
-1 mile south of Union … 78 mph wind blew debris around
-Large trees down in the Beaver Lake area
-South Bend 70 mph wind gust at 12:25am
Reports from areas close to Cass County:
-Most of the town of Thurman, Iowa was destroyed by a tornado
-A home near Cook was destroyed. The weather service says preliminary assessment indicates an EF2 tornado with winds at 125 to 135 mph. There was also farmstead, tree and power pole damage in the twister that was on the ground for about 5.5 miles. The tornado occurred just before 5pm Saturday.
-Damage inspection now indicates EF0 tornadoes (70 to 85 mph winds) near Sterling and Talmage.
-Damage inspection indicates an EF1 tornado (90 to 100 mph winds) three miles north of Nebraska City. Six homes were damaged in that area. There was also damage at Kimmel Orchard. The tornado occurred at 5:25pm.
Heavy rain reports were common. Local reports included Plattsmouth (north) 2.64, Plattsmouth (south) 2.06, Beaver Lake 2.05, Weeping Water 2.60, Louisville 3.10, Eagle (south) 3.10, Bellevue (northwest) 4.30.
1-inch hail was reported at Dunbar in Otoe County.
---River levels through the weekend. The Missouri River at Plattsmouth rose to 19.57 Sunday afternoon, but that is well below flood stage of 26 feet. The Platte River at Louisville rose only about two feet, it was at 5.72 feet Sunday morning (flood stage is 9 feet.) The Weeping Water Creek at Union rose about 10 feet Saturday to 13.72 feet (flood stage is 25 feet) and was down 3 feet by Sunday morning. Today’s stages are above.
---The highest wind gust reported at the Plattsmouth Municipal Airport on Saturday was 41 mph (between 5:30pm and 6pm) but during the high wind warning on the backside of the storm gusts reached 54 mph just after 4pm Sunday.