TY - JOUR
TI - Regional atmospheric response to tropical Pacific SST perturbations
AU - Katsafados, P.
AU - Papadopoulos, A.
AU - Kallos, G.
JO - GEOPHYSICAL RESEARCH LETTERS
PY - 2005
VL - 32
TODO - 4
SP - 1-4
PB - 
SN - 0094-8276
TODO - 10.1029/2004GL021828
TODO - Atmospheric movements;  Computer simulation;  Damping;  Dynamic response;  Mathematical models;  Perturbation techniques;  Precipitation (meteorology);  Earth sciences;  Geophysics, Atmospheric response;  Precipitation patterns;  SST perturbations;  Synoptic scale circulation, Weather forecasting;  Tropics, air-sea interaction;  climate modeling;  sea surface temperature, Atmospheric response;  Experimental methods;  Limited area models;  Model implementation;  Precipitation patterns;  SST perturbations;  Synoptic circulations;  Synoptic scale circulation
TODO - An extended domain limited area model was implemented for seasonal-range simulations to assess the effect of tropical Pacific SST perturbations on weather patterns over Europe and Mediterranean. The experimental method consisted of Skiron/Eta model integrations with coarse and fine grid increment using artificially-modified as well as analysis SST forcing. The selected period was August-October 1997. Model simulations with coarse grid increment produced a weak signal in the precipitation pattern and the synoptic scale circulation over Europe, implying a damping of the North Atlantic atmospheric response to the tropical Pacific SST perturbation. Fine resolution experiments suggested an amplified dynamic response providing a direct link between tropical Pacific SST and North Atlantic synoptic circulation. The output signal is mainly attributed to the effective representation of the regional/ mesoscale atmospheric features due to the model implementation with a fine mesh grid. Copyright 2005 by the American Geophysical Union.
ER -