AfewUniversesBelowNormal Posted March 24, 2019 Share Posted March 24, 2019 This April will make 29 of the last 30 months Dec-Apr of +NAO. The lowest monthly November NAO value in that time is -0.16. There was a time in the early 1990s of 26/28 months, and 29/33 months. The April will make the 9th consecutive +NAO April. 8 December's in a row. 6 January's in a row. The 1 month /30 of -NAO was after a 10mb Stratosphere warming. March 2013 was the last -NAO. Before then, 11/13 Nov-Apr months were +NAO, going back to 2011. Link to comment Share on other sites More sharing options...
nw baltimore wx Posted March 25, 2019 Share Posted March 25, 2019 3 hours ago, AfewUniversesBelowNormal said: This April will make 29 of the last 30 months Dec-Apr of +NAO. The lowest monthly November NAO value in that time is -0.16. There was a time in the early 1990s of 26/28 months, and 29/33 months. The April will make the 9th consecutive +NAO April. 8 December's in a row. 6 January's in a row. The 1 month /30 of -NAO was after a 10mb Stratosphere warming. March 2013 was the last -NAO. Before then, 11/13 Nov-Apr months were +NAO, going back to 2011. I'd enjoy the stats this thread might produce, but I can't make heads or tails out of the bolded. Were they + or -? And is this unprecedented or cyclical or something else? Link to comment Share on other sites More sharing options...
AfewUniversesBelowNormal Posted March 25, 2019 Author Share Posted March 25, 2019 Dec-Mar 87-95.. 29/33 months +NAO Jan 90 - Mar 95.. 26/28 months +NAO Link to comment Share on other sites More sharing options...
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