Tall skyscrapers are not just good at defining a skyline and providing status for a city; they attract lightning, some more than others.
By a wide margin, three skyscrapers in the East stood out for repeated lightning strikes between the years 2015 and 2020. At 1,776 feet tall, the tallest building in the U.S., One World Trade Center in New York City, was struck 189 times between 2015 and 2020, but it wasn’t the most frequently hit building in the nation…
Yet the Big Apple isn’t the U.S. city with the most frequently struck building. That distinction goes to the Willis Tower in Chicago, which ranks third in the U.S. for height, towering at 1,451 feet above the Windy City. That skyscraper was hit with 250 lightning strikes between 2015 and 2020, making it Thor’s favorite target, so to speak.
Why Willis and not World Trade? Lightning strikes vary based on building height, material, and suppression systems. Chris Vagasky, a meteorologist for Vaisala, told AccuWeather that location may be to blame as well.
“Chicago gets more lightning in an average year than New York City,” Vagasky said. “So when you stick a tall building in a place with a higher lightning density, it’s more likely to be struck than a tall building in a place with a lower lightning density. Willis Tower is only slightly shorter than One World Trade, by about 35 feet.”
This is a timely write-up given the number of storms the Chicago area has experienced in the last week or so. With summer heat and humidity in a humid continental climate, big dark clouds and rain have swept over the Chicago region.
The pictures that capture lightning striking the Willis Tower highlight the height of the building above the rest of the (impressive) Chicago skyline. Additionally, they also show the resilience of the structures – explained elsewhere in the article as large Faraday cages – in the midst of a natural phenomena that can be quite destructive.