Snowfall forecasting contests for 27 stations across New England and the Mid-Atlantic regions ... since 1999
Sunday, December 04, 2011
Winter '11 / '12 - Arctic Oscillation - Near Record High
The daily AO index reached 5.647 today. It/s the 2nd highest value behind the 5.911 observed on 02-FEB-1990.
NWP models show the AO in rapid decline over the short term so the record may stand.
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