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RISStorylines of Atmospheric Circulation Change for European Regional Climate Impact Assessment
Publisher: American Meteorological Society
Abstract: AbstractThere is increasing interest in understanding the regional impacts of different global warming targets. However, several regional climate impacts depend on the atmospheric circulation, whose response to climate ...
Baroclinic Stationary Waves in Aquaplanet Models
Publisher: American Meteorological Society
Abstract: n aquaplanet model is used to study the nature of the highly persistent low-frequency waves that have been observed in models forced by zonally symmetric boundary conditions.Using the Hayashi spectral analysis of the ...
Can Polar Lows be Objectively Identified and Tracked in the ECMWF Operational Analysis and the ERA-Interim Reanalysis?
Publisher: American Meteorological Society
Abstract: olar lows are maritime mesocyclones associated with intense surface wind speeds and oceanic heat fluxes at high latitudes. The ability of the Interim ECMWF Re-Analysis (ERA-Interim, hereafter ERAI) to represent polar lows ...
The Ability of CMIP5 Models to Simulate North Atlantic Extratropical Cyclones
Publisher: American Meteorological Society
Abstract: he ability of the climate models participating in phase 5 of the Coupled Model Intercomparison Project (CMIP5) to simulate North Atlantic extratropical cyclones in winter [December?February (DJF)] and summer [June?August ...
Improving Climate Change Detection through Optimal Seasonal Averaging: The Case of the North Atlantic Jet and European Precipitation
Publisher: American Meteorological Society
Abstract: he detection of anthropogenic climate change can be improved by recognizing the seasonality in the climate change response. This is demonstrated for the North Atlantic jet [zonal wind at 850 hPa (U850)] and European ...
Fast and Slow Components of the Extratropical Atmospheric Circulation Response to CO2 Forcing
Publisher: American Meteorological Society
Abstract: AbstractPoleward shifts of the extratropical atmospheric circulation are a common response to CO2 forcing in global climate models (GCMs), but little is known about the time dependence of this response. Here it is shown ...
A Multimodel Assessment of Future Projections of North Atlantic and European Extratropical Cyclones in the CMIP5 Climate Models
Publisher: American Meteorological Society
Abstract: he response of North Atlantic and European extratropical cyclones to climate change is investigated in the climate models participating in phase 5 of the Coupled Model Intercomparison Project (CMIP5). In contrast to previous ...
Simple Uncertainty Frameworks for Selecting Weighting Schemes and Interpreting Multimodel Ensemble Climate Change Experiments
Publisher: American Meteorological Society
Abstract: uture climate change projections are often derived from ensembles of simulations from multiple global circulation models using heuristic weighting schemes. This study provides a more rigorous justification for this by ...