Welcome to the Extreme Weather Sourcebook
Economic & Other Societal Impacts Related to Hurricanes, Floods, Tornadoes, Lightning, & Other Weather Phenomena

The Extreme Weather Sourcebook is a database maintained by the Societal Impacts Program (SIP) at NCAR of statistics on extreme weather events. The Sourcebook is intended as a resource for researchers, policy makers, the media, and the general public, among other users. It contains monetary damage data on hurricanes, tornadoes, and floods, as well as composite data for all three weather events, adjusted for both inflation and inflation and wealth. The Sourcebook also contains data on lightning casualties, fatalities and injuries and similar data for other extreme weather events, such as hail, winter storms, wind storms, and heavy rainfall. Hurricane, tornado, flood and composite Sourebook data was last updated in July 2009 with the most recent available information.

Click here to view new hurricane data updated to $2007.
Click here to view new tornado data updated to $2007.
Click here to view new flood data updated to $2007.
Click here to view new composite hurricane, tornado and flood data updated to $2007.