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RISEnhanced Detectability of Added Value in Limited-Area Model Results Separated into Different Spatial Scales
Publisher: American Meteorological Society
Abstract: Regional climate models (RCMs) are a widely used tool to describe regional-scale climate variability and change. However, the added value provided by such models is not well explored so far, and claims have been made that ...
Relationship between SAR-Derived Wind Vectors and Wind at 10-m Height Represented by a Mesoscale Model
Publisher: American Meteorological Society
Abstract: Wind vectors over the ocean were extracted from a large number of synthetic aperture radar (SAR) images from the European Remote Sensing Satellites (ERS-1 and ERS-2). The wind directions are inferred from the orientation ...
A Spatial Two-Dimensional Discrete Filter for Limited-Area-Model Evaluation Purposes
Publisher: American Meteorological Society
Abstract: A two-dimensional discrete spatial filter was developed. It serves as a means to classify meteorological fields on a limited-area grid according to their spatial dimensions by filtering certain wavenumber ranges. Thereby ...
A Dynamical Downscaling Case Study for Typhoons in Southeast Asia Using a Regional Climate Model
Publisher: American Meteorological Society
Abstract: This study explores the possibility of reconstructing the weather of Southeast Asia for the last decades using an atmospheric regional climate model, the Climate version of the Lokal-Modell (CLM). For this purpose global ...
A Spectral Nudging Technique for Dynamical Downscaling Purposes
Publisher: American Meteorological Society
Abstract: The ?spectral nudging? method imposes time-variable large-scale atmospheric states on a regional atmospheric model. It is based on the idea that regional-scale climate statistics are conditioned by the interplay between ...
Usability of Best Track Data in Climate Statistics in the Western North Pacific
Publisher: American Meteorological Society
Abstract: ropical cyclone (TC) activity for the last three decades shows strong discrepancies, deduced from different best track datasets (BTD) for the western North Pacific (WNP). This study analyzes the reliability of BTDs in ...
Northeast Atlantic and North Sea Storminess as Simulated by a Regional Climate Model during 1958–2001 and Comparison with Observations
Publisher: American Meteorological Society
Abstract: An analysis of the storm climate of the northeast Atlantic and the North Sea as simulated by a regional climate model for the past 44 yr is presented. The model simulates the period 1958?2001 driven by the National Centers ...
Northeast Atlantic Storm Activity and Its Uncertainty from the Late Nineteenth to the Twenty-First Century
Publisher: American Meteorological Society
Abstract: AbstractGeostrophic wind speeds calculated from mean sea level pressure readings are used to derive time series of northeast Atlantic storminess. The technique of geostrophic wind speed triangles provides relatively ...
Inconsistencies between Long-Term Trends in Storminess Derived from the 20CR Reanalysis and Observations
Publisher: American Meteorological Society
Abstract: lobal atmospheric reanalyses have become a common tool for both validation of climate models and diagnostic studies, such as assessing climate variability and long-term trends. Presently, the Twentieth Century Reanalysis ...
Optimal Spectral Nudging for Global Dynamic Downscaling
Publisher: American Meteorological Society
Abstract: his study analyzes a method of constructing a homogeneous, high-resolution global atmospheric hindcast. The method is the spectral nudging technique, which was applied to a state-of-the-art general circulation model (ECHAM6, ...