1968: One of the costliest hailstorms in Oklahoma City, Oklahoma history pummeled the city on this date. Hail the size of baseballs fell over much of the city, resulting in more than 40,000 insurance claims over the 90,000 square mile path of the storm. The final cost was more than $20 million dollars. The parent thunderstorm also caused flash flooding that left 2 to 4 feet of water in some underpasses and a lightning strike that started a fire that killed two people.
1960: A massive earthquake in Chile the previous day produced a tsunami that killed 61 people in Hilo, Hawaii. An additional 180 people died on the islands of Honshu and Hokkaido in Japan.
1997: David McWilliams Ludlum was born 1910 in East Orange, NJ – He is responsible for researching and publishing much of the early history of weather at the beginning of America. David died May 23, 1997, in Princeton, New Jersey. He was an American historian, meteorologist, entrepreneur, and author.
2010: A rare tropical cyclone dubbed Bandu brings high winds and heavy rains to Somalia. The storm then moved into the Gulf of Aden where it quickly weakens and dissipates on the 23rd as it passes between Yemen and Somalia.
— Mark Tarello (@mark_tarello) May 23, 2017