Portal:Weather/On this day list/December 18
December 18
[edit]1908: Paul Siple, an antarctic explorer who proposed and helped develop the concept of wind chill, was born in Montpelier, Ohio
1957: A tornado outbreak, including three violent tornadoes, killed 17 people in Missouri and Illinois.
1959: Typhoon Gilda made landfall in the central Philippines, killing 23 people.