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RISInterannual Variability of the Cyclonic Activity along the U.S. Pacific Coast: Influences on the Characteristics of Winter Precipitation in the Western United States
Publisher: American Meteorological Society
Abstract: This study examines the observed interannual variability of the cyclonic activity along the U.S. Pacific coast and quantifies its impact on the characteristics of both the winter total and extreme precipitation in the ...
Nature of the Differences in the Intraseasonal Variability of the Pacific and Atlantic Storm Tracks: A Diagnostic Study
Publisher: American Meteorological Society
Abstract: On the basis of an intraseasonal variability index of storm track evaluated for 40 winters (1963?64 through 2003?04) of NCEP?NCAR reanalysis data, it is found that well-defined midwinter minimum [MWMIN; (midwinter maximum ...
Intraseasonal Modulation of the North Pacific Storm Track by Tropical Convection in Boreal Winter
Publisher: American Meteorological Society
Abstract: The modulation of the North Pacific storm track by tropical convection on intraseasonal time scales (30?90 days) in boreal winter (December?March) is investigated using the NCEP?NCAR reanalysis and NOAA satellite outgoing ...
An Idealized Model Study Relevant to the Dynamics of the Midwinter Minimum of the Pacific Storm Track
Publisher: American Meteorological Society
Abstract: The synoptic variability of a two-level quasigeostrophic flow in response to plausible changes in the forcing of a localized baroclinic jet is investigated in the context of the midwinter minimum of the Pacific storm track ...
Initial Transient Response of an Intensifying Baroclinic Wave to Increases in Cloud Droplet Number Concentration
Publisher: American Meteorological Society
Abstract: nsemble simulations of an idealized baroclinic wave were conducted with the WRF Model to investigate the effects of increased cloud droplet number concentration (DNC) on the development of the wave. Statistically significant ...
Dynamical and Thermodynamical Impacts of High- and Low-Frequency Atmospheric Eddies on the Initial Melt of Arctic Sea Ice
Publisher: American Meteorological Society
Abstract: AbstractThe role of high-frequency and low-frequency eddies in the melt onset of Arctic sea ice is investigated through an examination of eddy effects on lower-tropospheric (1000?500 hPa) meridional heat transport into the ...
Causal Discovery for Climate Research Using Graphical Models
Publisher: American Meteorological Society
Abstract: ausal discovery seeks to recover cause?effect relationships from statistical data using graphical models. One goal of this paper is to provide an accessible introduction to causal discovery methods for climate scientists, ...
Dynamics of Upper-Level Frontogenesis in Baroclinic Waves
Publisher: American Meteorological Society
Abstract: his paper reports a diagnosis of the structure and dynamics of upper-level fronts (ULFs) simulated with a high-resolution Weather Research and Forecasting Model with diabatic heating versus one without diabatic heating. ...
Two Issues Concerning Surface Frontogenesis
Publisher: American Meteorological Society
Abstract: AbstractWith the Weather Research and Forecasting (WRF) Model specifically configured to simulate the intensification and evolution of an extratropical baroclinic wave, this study first investigates why cold fronts are ...
Reply to “Comments on ‘Dynamics of Upper-Level Frontogenesis in Baroclinic Waves’”
Publisher: American Meteorological Society