1988: Under the name WeatherNow, The Weather Network began broadcasting in Montreal, Quebec.
2011: Tropical Storm Talas began dropping record rainfall across southern Japan, causing flooding that eventually killed more than 80 people.
1976: A Venezuelan Air Force flight crashed while attempting to land on Terceira Island, Azores, during Hurricane Emmy, killing all 68 aboard.
1933: The strongest hurricane to strike the United States during the hyperactive 1933 Atlantic hurricane season made landfall near Jupiter, Florida.
2007: The Intergovernmental Panel on Climate Change released its Fourth Assessment Report, giving grave predictions about future global warming.
1986: Typhoon Wayne dissipated over Vietnam 22 days after it formed, making it the longest-lived tropical cyclone on record in the Western Pacific Ocean.
1953: Hurricane Carol made landfall near Saint John, New Brunswick, with reported wind gusts as high as 80 miles per hour (130 km/h).
1900: The Galveston Hurricane, the deadliest hurricane of the 20th century, made landfall at Galveston, Texas.
1980: The GOES 4 weather satellite was launched. Part of the Geostationary Operational Environmental Satellite program, GOES 4 would provide weather forecasting data to the United States and later Europe for more than 8 years.
1994: Hurricane John became extratropical, ending its 31-day existence as a tropical cyclone, the longest in history.
2008: Hurricane Ike made landfall near Galveston, Texas, causing more than $30 billion (USD) in damage. Ike was the third-costliest tropical cyclone in history at the time, and killed at least 214 people throughout the Caribbean.
1982: Typhoon Judy made landfall on southern Honshu, Japan, killing 26 people and flooding more than 60,000 homes.
1989: Hurricane Octave reached peak intensity over the northeastern Pacific Ocean, with maximum sustained winds of 130 miles per hour (210 km/h).
1996: An unusual hybrid sub-tropical cyclone formed over Lake Superior.
2016: Typhoon Meranti, one of the most intense tropical cyclones on record at its peak, made landfall at Xiamen, Fujian, China, killing 47 people in China and Taiwan.
1903: President of the United States Theodore Roosevelt was caught aboard his yacht in a hurricane, but made it to shore safely. Dozens of other boats in the area were sunk.
1986: The NOAA-10 weather satellite was launched into a polar orbit.
1906: A typhoon devastated the city and port of Hong Kong, killing 15,000 people: around 5% of the population at the time.
2012: Hurricane Nadine, one of the longest-lived tropical cyclones on record in the Atlantic Ocean, passed about 150 miles (240 km) south-southwest of Flores Island, Azores. Despite maintaining tropical storm strength or greater for 21 days, this was the storm's closest approach to land, and no damage or injuries were reported.
1978: Hurricane Greta, after having weakened to a tropical depression due to its passage over Central America, restrengthened to a tropical storm in the far eastern Pacific Ocean. Because naming conventions for tropical cyclones in the Pacific are different from the Atlantic Ocean, the storm was renamed "Olivia", becoming a rare two-name storm.
2006: Typhoon Yagi, the strongest storm of the 2006 Pacific typhoon season, reached a peak intensity of 910 millibars (26.87 inHg), with 10-minute maximum sustained winds of 195 kilometres per hour (121 mph).
1984: Hurricane Odile made landfall near Zihuatanejo, Guerrero, Mexico. Up to 24.73 inches (628 mm) of rainfall caused severe flooding, especially around the Atoyac River where 21 people drowned.
1551: (possibly 1556): The deadliest tornado in European history hit the Grand Harbour of Malta, sinking at least 4 naval ships and killing at least 600 people.
2001: Just two weeks after the September 11 attacks, several tornadoes hit the Washington, D.C. metro area, including one which passed a few hundred feet from The Pentagon and skipped across Capitol Hill.
1997: Hurricane Nora struck central Baja California, killing 2 people.
1881: The first and deadliest recorded tornado in Japanese history killed 16 people in Miyazaki, Miyazaki Prefecture.
1991: Typhoon Mireille struck southern Japan, causing several billion dollars in damage.
1917: A major hurricane made landfall near Fort Walton Beach, Florida, with maximum sustained winds of 115 miles per hour (185 km/h)). This was the strongest hurricane to impact the Florida Panhandle until Hurricane Opal almost 80 years later.
1915: A major hurricane struck New Orleans area, killing at least 275 people in the city and surrounding area.
2012: Hurricane Nadine, the fourth-longest-lived tropical cyclone on record in the Atlantic Ocean, reached peak intensity west of the Azores.