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RISA Search for Chaotic Behavior in Stratospheric Variability: Comparison between the Northern and Southern Hemispheres
Publisher: American Meteorological Society
Abstract: outhern Hemisphere (SH) stratospheric variability is investigated with respect to chaotic behavior using time series from three different variables extracted from four different reanalysis products. The results are compared ...
A Search for Chaotic Behavior in Northern Hemisphere Stratospheric Variability
Publisher: American Meteorological Society
Abstract: orthern Hemisphere stratospheric variability is investigated with respect to chaotic behavior using time series from three different variables extracted from four different reanalysis products and two numerical model runs ...
The Tropospheric Pathway of the ENSO–North Atlantic Teleconnection
Publisher: American Meteorological Society
Abstract: AbstractEl Niño?Southern Oscillation (ENSO) exerts an influence on the North Atlantic?European (NAE) region. However, this teleconnection is nonlinear and nonstationary owing to the superposition and interaction of a ...
Can the Delay in Antarctic Polar Vortex Breakup Explain Recent Trends in Surface Westerlies?
Publisher: American Meteorological Society
Abstract: he authors test the hypothesis that recent observed trends in surface westerlies in the Southern Hemisphere are directly consequent on observed trends in the timing of stratospheric final warming events. The analysis begins ...
Sensitivities of the Lower-Stratospheric Transport and Mixing to Tropical SST Heating
Publisher: American Meteorological Society
Abstract: he sensitivities of the Brewer?Dobson circulation (BDC) to different distributions of tropical SST heating are investigated in an idealized aquaplanet model. It is found that an increase in tropical SSTs generally leads ...
Nonlinearity in the Pathway of El Niño–Southern Oscillation to the Tropical North Atlantic
Publisher: American Meteorological Society
How Predictable Are the Arctic and North Atlantic Oscillations? Exploring the Variability and Predictability of the Northern Hemisphere
Publisher: American Meteorological Society
Abstract: ABSTRACTThe North Atlantic Oscillation (NAO) and the Arctic Oscillation (AO) describe the dominant part of the variability in the Northern Hemisphere extratropical troposphere. Because of the strong connection of these ...
Exploring the Use of European Weather Regimes for Improving User-Relevant Hydrological Forecasts at the Subseasonal Scale in Switzerland
Publisher: American Meteorological Society
Tracing North Atlantic Oscillation Forecast Errors to Stratospheric Origins
Publisher: American Meteorological Society
Abstract: The North Atlantic Oscillation (NAO) is the main driver of weather variability in parts of Eurasia, Greenland, North America, and North Africa on a range of time scales. Successful extended-range NAO predictions would ...
Seasonal Predictability over Europe Arising from El Niño and Stratospheric Variability in the MPI-ESM Seasonal Prediction System
Publisher: American Meteorological Society
Abstract: redictability on seasonal time scales over the North Atlantic?Europe region is assessed using a seasonal prediction system based on an initialized version of the Max Planck Institute Earth System Model (MPI-ESM). For this ...