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RISPrimary Modes and Predictability of Year-to-Year Snowpack Variations in the Western United States from Teleconnections with Pacific Ocean Climate
Publisher: American Meteorological Society
Abstract: Snowpack, as measured on 1 April, is the primary source of warm-season streamflow for most of the western United States and thus represents an important source of water supply. An understanding of climate factors that ...
Joint Variability of Global Runoff and Global Sea Surface Temperatures
Publisher: American Meteorological Society
Abstract: Global land surface runoff and sea surface temperatures (SST) are analyzed to identify the primary modes of variability of these hydroclimatic data for the period 1905?2002. A monthly water-balance model first is used with ...
Recent Declines in Western U.S. Snowpack in the Context of Twentieth-Century Climate Variability
Publisher: American Meteorological Society
Abstract: A monthly snow accumulation and melt model was used with monthly Precipitation-elevation Regressions on Independent Slopes Model (PRISM) temperature and precipitation data to generate time series of 1 April snow water ...
Variability Common to Global Sea Surface Temperatures and Runoff in the Conterminous United States
Publisher: American Meteorological Society
Abstract: ingular value decomposition (SVD) is used to identify the variability common to global sea surface temperatures (SSTs) and water-balance-modeled water-year (WY) runoff in the conterminous United States (CONUS) for the ...
A Possible Connection between the 1878 Yellow Fever Epidemic in the Southern United States and the 1877-78 El Niño Episode
Publisher: American Meteorological Society
Abstract: One of the most severe outbreaks of yellow fever, a viral disease transmitted by the Aedes aegypti mosquito, affected the southern United States in the summer of 1878. The economic and human toll was enormous, and the city ...
Trends and Variability in Snowmelt Runoff in the Western United States
Publisher: American Meteorological Society
Abstract: The timing of snowmelt runoff (SMR) for 84 rivers in the western United States is examined to understand the character of SMR variability and the climate processes that may be driving changes in SMR timing. Results indicate ...
Rain-on-Snow Events in the Western United States
Publisher: American Meteorological Society
Abstract: Rain-on-snow events pose a significant flood hazard in the western United States. This study provides a description of the spatial and temporal variability of the frequency of rain-on-snow events for 4318 sites in the ...
Joint Spatiotemporal Variability of Global Sea Surface Temperatures and Global Palmer Drought Severity Index Values
Publisher: American Meteorological Society
Abstract: Dominant modes of individual and joint variability in global sea surface temperatures (SST) and global Palmer drought severity index (PDSI) values for the twentieth century are identified through a multivariate frequency ...
Trends in Northern Hemisphere Surface Cyclone Frequency and Intensity
Publisher: American Meteorological Society
Abstract: One of the hypothesized effects of global warming from increasing concentrations of greenhouse gases is a change in the frequency and/or intensity of extratropical cyclones. In this study, winter frequencies and intensities ...
Warming is Driving Decreases in Snow Fractions While Runoff Efficiency Remains Mostly Unchanged in Snow-Covered Areas of the Western United States
Publisher: American Meteorological Society
Abstract: AbstractWinter snowfall and accumulation is an important component of the surface water supply in the western United States. In these areas, increasing winter temperatures T associated with global warming can influence the ...