While all of Nebraska and Iowa were baking in the heat, some locations also had severe weather Tuesday night into early Wednesday morning. 3 tornadoes were produced by those storms, along with areas of significant southeast and very large hail.
Many locations across Nebraska and Iowa that afternoon got into the mid-90s with high amounts of humidity. The amount of storm energy available was more than enough for thunderstorms to explode as the night set in. A stationary front located from York to just south of Omaha to Atlantic provided the trigger for waves of thunderstorms to ride along the border. This is the case that cities along the border were hit by storm after storm, while those north and south of this border saw nothing at all.
The main cluster of storms developed near York and generally moved along and just north of I-80 into Seward County. The storm is heavily intensified in Seward County, where the winds are increased to over 100 mph in certain spots causing significant damage. To make matters worse, the wind has driven hail as large as 3 “into homes, businesses, and crops.
Despite a tornado along I-80 near the Seward / Lancaster County line, it was determined to be straight-line wind damage. The storm produced more hail hail northern Lancaster County narrowly missing Lincoln. As the storm crossed into Cass County the hail began to decrease, but the damaging wind and tornado potential rose. From Greenwood through Murdock and south Louisville upwards of 100mph caused significant damage, including flipping a camper and engineered the residents inside.
Among the wind damage, the EF-1 tornado also caused damage north of Murdock. Damage from the small tornado after dissipating.
The storm continued into western Iowa where it continued to produce damaging winds in excess of 80mph along the line. In Glenwood, power was knocked out and trees snapped in town. South Pottawatomie County south of Treynor, where there are 100 mph blew through the small towns of Carson and Macedonia.
Within the southeast there was another small wind damage. This tornado severely damaged a winery southeast of Treynor. For more information on the winery damage you can check this out on our website or this story about its effects on weddings taking place in the venue.
The storm began to slowly weaken as it crossed into Atlantic and eventually into central Iowa.
Meanwhile, back to the west more storms were developing along the station front and moving into areas already hit by severe weather. As the next storm moved into York, it produced the strongest tornado of the night near the Lushton community in southwestern York County. This tornado was rated the EF-2 with winds upwards of 115 mph.
To top it all off, the repeated rounds of thunderstorms brought heavy rain to many areas. In the Omaha metro, flood areas in 1-2 areas of rainfall overnight. In locations closer to York, radar estimates upwards of 4 ”
Damages from the severe weather totaled in the tens of thousands of dollars across eastern Nebraska into western Iowa. After the front passed, all of us saw a reprieve from the heat with highs only in the 70s.