December 1
2013: Cyclone Alessia dissipated over the Northern Territory, Australia.
December 2
1996: The final WSR-57 weather radar was decommissioned at Charleston International Airport in Charleston, South Carolina. It was replaced by a new NEXRAD (WSR-88D) radar.
December 3
2004: Cyclone Agni, a very rare tropical cyclone which approached and may have even crossed the equator, dissipated just off the Somali coast.
December 4
2012: Typhoon Bopha, the strongest tropical cyclone on record to strike the island of Mindanao, Philippines, made landfall near Baganga. The storm hit with maximum sustained winds of 175 mph (280 km/h), and killed at least 1,900 people.
December 5
1953: An F5 tornado killed 38 people near Vicksburg, Mississippi.
December 6
2003: Tropical Storm Odette, an unusual December tropical cyclone in the northern Atlantic Ocean, made landfall in Jaragua National Park, Dominican Republic. Eight people were killed due to flooding.
December 7
2007: Cyclone Daman, the strongest storm of the 2007–08 South Pacific cyclone season , reached peak intensity as it approached Fiji.
December 8
2007: The first in a series of winter storms began to affect portions of central and eastern North America. Over the next ten days 64 people would be killed as a result of the storms.
December 9
2003: Tropical Storm Peter, which had been a subtropical storm, became fully tropical. With the formation of Tropical Storm Odette five days earlier, this marked the first time that two tropical cyclones formed in December since 1887.
December 10
2021: A violent tornado outbreak killed 90 people in the Central United States, including 75 in Kentucky alone. The 69 tornadoes that touched down were the most ever recorded for an outbreak in the month of December, until that record was broken less than a week later.
December 11
1992: A strong nor'easter caused severe coastal flooding in the Northeastern and Mid-Atlantic United States, especially the state of New Jersey.
December 12
2012: Cyclone Evan began impacting Samoa, eventually killing 14 people across the island country.
December 13
2013: A historic snowfall struck parts of the Middle East, including the first snow recorded in Cairo in more than 100 years.
December 14
1991: A day after Cyclone Wasa dissipated near the Austral Islands, its remnants regenerated and were given the name Cyclone Arthur.
December 15
2016: The first satellite of the Cyclone Global Navigation Satellite System, a multi-satellite project using GPS signals to probe the inner workings of the atmosphere and ocean within tropical cyclones, was launched.
December 16
1997: Typhoon Paka struck Guam, damaging or destroying more than 10,000 structures on the island.
December 17
1944: Typhoon Cobra struck the US Fast Carrier Task Force in the Philippine Sea, killing 790 sailors.
December 18
1957: A tornado outbreak, including three violent tornadoes, killed 17 people in Missouri and Illinois.
December 19
2009: A blizzard brought snowfall of well over 20 inches (51 cm) to parts of the eastern United States, including record totals in Washington, D.C. and Roanoke, Virginia.
December 20
2010: Tropical Storm Omeka formed near the International Date Line, and moved east into the Northeastern Pacific Ocean. This is the latest on record that a tropical storm occurred in this area.
December 21
1992: Martinair Flight 495 crash-landed in severe weather at Faro Airport in Faro, Portugal.
December 22
1993: The Congress of Colombia passed Law 99 of 1993, mandating the creation of Institute of Hydrology, Meteorology and Environmental Studies.
December 23
2015: A tornado outbreak struck the Midwestern and Southeastern United States, killing 13 people.
December 24
1971: LANSA Flight 508 crashed in the Peruvian jungle en route to Lima after being struck by lightning. Incredibly, a 17-year-old girl survived a 2-mile (3.2 km) fall strapped to her seat, and walked 10 days to safety.
December 25
2006: Cyclone Bondo made landfall in northern Madagascar, killing 11 people.
December 26
2015: A tornado outbreak killed 13 people and caused major damage in northeastern Texas.
December 27
1836: The deadliest avalanche ever to strike the United Kingdom killed eight people in Lewes, Sussex, England.
December 28
2008: Two avalanches killed 8 snowmobilers near Fernie, British Columbia, Canada
December 29
1994: Turkish Airlines Flight 278 crashed while attempting to land at Van Ferit Melen Airport in a driving snowstorm, killing 57 of the 76 people on board.
December 30
1954: Hurricane Alice formed in the eastern Caribbean Sea. Alice was one of only two North Atlantic tropical cyclones on record to span two calendar years, and the only hurricane to do so.
December 31
2010: A tornado outbreak killed 9 people in Arkansas and Missouri.