NOAA's National Weather Service's Climate Prediction Center's forecast for the Arctic Oscillation for the next 7-14 days, from January 12, 2010

NOAA's National Weather Service's Climate Prediction Center's forecast for the Arctic Oscillation for the next 7-14 days, from January 12, 2010 The daily AO indices are shown for the previous 120 days. The indices are standardized by standard deviation of the observed monthly AO index from 1979-2000. The values at the upper left and right corner of each figure indicate the mean value of the AO index and the correlation coefficients between the observation and the forecasts, respectively.

Time series of the difference between 15-day running mean values of the observation and the outlooks

Link:  http://www.cpc.noaa.gov/products/precip/CWlink/daily_ao_index/ao_index_mrf.shtml