- In 1976...Hurricane Liza brings heavy rains and winds to Mexico, causing a dam to break on the Cajoncito River, killed 630 people as a wall of water rushed into the town of La Paz.
- In 1987...A blast of cold arctic air hit the north central U.S. An afternoon thunderstorm slickened the streets of Duluth MN with hail and snow, and later in the afternoon, strong northerly winds reached 70 mph. Unseasonably warm weather continued in the Pacific northwest. Afternoon highs of 90 degrees at Olympia WA, 92 degrees at Portland OR, and 89 degrees at Seattle WA, were records for the month of October. For Seattle WA it marked the twenty- first daily record high for the year, a record total in itself.
- In 2004...Dormant for 18 years, Mt. St. Helens volcano in Washington State came to life with a series of earthquakes and rumblings.
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