Seasonal Forecasts of North Atlantic 850-hPa Air Temperature Anomalies Using Singular Vectors

The Influence of Atlantic Sea Surface Temperature Anomalies on the North Atlantic Oscillation

The influence of Atlantic sea surface temperature (SST) anomalies on the atmospheric circulation over the North Atlantic sector during winter is investigated by performing experiments with an atmospheric general circulation model (GCM). These consist of a 30-year run with observed SST anomalies for the period 1961–90 confined geographically to the Atlantic Ocean, and of a control run with clima...

Sensitivity of Seasonal Climate Forecasts to Persisted SST Anomalies

Recent changes in tropospheric water vapor over the Arctic as assessed from radiosondes and atmospheric reanalyses

[1] Changes in tropospheric water vapor over the Arctic are examined for the period 1979 to 2010 using humidity and temperature data from nine high latitude radiosonde stations north of 70 N with nearly complete records, and from six atmospheric reanalyses, emphasizing the three most modern efforts, MERRA, CFSR and ERA-Interim. Based on comparisons with the radiosonde profiles, the reanalyses a...

No inter-gyre pathway for sea-surface temperature anomalies in the North Atlantic.

Recent Lagrangian analyses of surface drifters have questioned the existence of a surface current connecting the Gulf Stream (GS) to the subpolar gyre (SPG) and have cast doubt on the mechanism underlying an apparent pathway for sea-surface temperature (SST) anomalies between the two regions. Here we use modelled Lagrangian trajectories to determine the fate of surface GS water and satellite SS...

A role of the Atlantic Ocean in predicting summer surface air temperature over North East Asia?

Simulations performed with Ocean–Atmosphere General Circulation Models (OAGCM) under the Climate Model Intercomparison Project, phase 5 (CMIP5) (Taylor et al. 2012), provide climate predictions for the upcoming 100 years (the so-called radiative concentration pathways emission scenarios). However, CMIP simulations suffer from severe limitations in predicting climate at a shorttime horizon (< 10...