Genesis locations of the costliest atmospheric rivers impacting the Western United States [Insurance claim data] Authors of study: Prince, H. D., Gibson, P. B., DeFlorio, M. J., Corringham, T. W., Cobb, A., Guan, B., Ralph, F. M. and Waliser, D. E. Data originally retrieved through the National Flood Insurance Program. Retrieved from the U.S. Federal Emergency Management Agency. Originally downloaded 2019-10-25 (https://www.fema.gov/openfema-data-page/fima-nfip-redacted-claims-v1) Date range: 1978-01-01 to 2019-06-28 Claims are collated for the 11 contiguous western states CSV file contains variables: date tract city zip county state lon lat payment Payment is in USD, adjusted for inflation to 2019 USD.