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Provides an overview, details, and graphics for 46 weather events during 1980-1999, each of which caused at least $1 billion in damages. Relates the events to population changes, increasing risk in disaster-prone areas, and effects of climate change.

Climatic extremes --- Hurricanes --- Tornadoes --- Severe storms --- Droughts --- Floods --- Heat waves (Meteorology)

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• Reference Manager
• EndNote
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Provides long-term climatological summaries and maps for tornadoes in the United States, with specific information concerning tornadoes during 1998-1999. The years 1998 and 1999 were quite active for tornadoes in the U.S., with well-above average numbers of fatalities. The winter-spring of 1998 was dominated by El Nino conditions, while the winter-spring of 1999 was dominated by La Nina, thus showing that active tornado seasons may occur in either situation. These 2 years produced a total of 3 tornadoes of F5 intensity and 11 tornadoes of F4 intensity, for a total of 14 in the violent F4-F5 category.

Tornadoes --- Tornadoes --- Severe storms --- Measurement.