As per the NCEI Arctic Oscillation (AO) website, the February 2020 monthly value of +3.42 was the most positive since 1950. The March 2020 AO will likely also be the most positive monthly mark for March. Current record? +2.99 in (you guessed it), 1990. In act, the AO has been positive every single day in 2020! Latest GFS/GFS ENS show a big change in the offing for April, with the AO nosediving to +/- 0 in early April. Impacts?