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RISRelationships between Spring Snow Mass and Summer Precipitation in the Southwestern United States Associated with the North American Monsoon System
Publisher: American Meteorological Society
Abstract: This paper provides a detailed description of the relationship between spring snow mass in the mountain areas of the western United States and summertime precipitation in the southwestern United States associated with the ...
Use of Medium-Range Numerical Weather Prediction Model Output to Produce Forecasts of Streamflow
Publisher: American Meteorological Society
Abstract: This paper examines an archive containing over 40 years of 8-day atmospheric forecasts over the contiguous United States from the NCEP reanalysis project to assess the possibilities for using medium-range numerical weather ...
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 ...
Probabilistic Quantitative Precipitation Estimation in Complex Terrain
Publisher: American Meteorological Society
Abstract: This paper describes a flexible method to generate ensemble gridded fields of precipitation in complex terrain. The method is based on locally weighted regression, in which spatial attributes from station locations are ...
Snow Data Assimilation via an Ensemble Kalman Filter
Publisher: American Meteorological Society
Abstract: A snow data assimilation study was undertaken in which real data were used to update a conceptual model, SNOW-17. The aim of this study is to improve the model?s estimate of snow water equivalent (SWE) by merging the ...
Effects of Variations in East Asian Snow Cover on Modulating Atmospheric Circulation over the North Pacific Ocean
Publisher: American Meteorological Society
Abstract: At least four different modeling studies indicate that variability in snow cover over Asia may modulate atmospheric circulation over the North Pacific Ocean during winter. Here, satellite data on snow extent for east Asia ...
The Use of Serially Complete Station Data to Improve the Temporal Continuity of Gridded Precipitation and Temperature Estimates
Publisher: American Meteorological Society
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 ...
Monitoring Precipitation over the Arctic Terrestrial Drainage System: Data Requirements, Shortcomings, and Applications of Atmospheric Reanalysis
Publisher: American Meteorological Society
Abstract: An effort is under way aimed at historical analysis and monitoring of the pan-Arctic terrestrial drainage system. A key element is the provision of gridded precipitation time series that can be readily updated. This has ...
The Arctic Frontal Zone as Seen in the NCEP–NCAR Reanalysis
Publisher: American Meteorological Society
Abstract: Calculations of a thermal front parameter using NCEP?NCAR reanalysis data over the period 1979?98 reveal a relative maximum in frontal frequencies during summer along northern Eurasia from about 60° to 70°N, best expressed ...