uncle W Posted September 29, 2011 Share Posted September 29, 2011 this September should end up averaging over 70.0...It will be the 16th time this has happened since 1950...This list of warm Septembers are ranked by enso index...I averaged the MEI for the July/Aug-Aug/Sept readings...I used the ONI JAS index......................................................................................................................................Year Sept. Temp. ONI index MEI index..............................................................2010.....71.1...............-1.0................-1.9331971.....71.6...............-0.8................-1.3521970.....70.8...............-0.8................-1.1471998.....70.2...............-0.8................-0.5461985.....70.5...............-0.5................-0.4701959.....72.3...............-0.5...............+0.0572007.....70.3...............-0.4................-0.805 2011.....70.0...............-0.4................-0.6281961.....73.6...............-0.3................-0.2492005.....73.3...............-0.2...............+0.2851983.....71.8...............-0.2...............+0.7751980.....70.8...............-0.0...............+0.3091979.....70.5..............+0.1...............+0.7101953.....70.4..............+0.4...............+0.3901968.....70.6..............+0.4...............+0.0582002.....70.2..............+1.0...............+0.865there are not many El Nino years on the list... Link to comment Share on other sites More sharing options...
JBG Posted September 30, 2011 Share Posted September 30, 2011 this September should end up averaging over 70.0...It will be the 16th time this has happened since 1950...This list of warm Septembers are ranked by enso index...I averaged the MEI for the July/Aug-Aug/Sept readings...I used the ONI JAS index... there are not many El Nino years on the list... And most of the ones where the ONI was positive were in "warm phase" of the PDO from 1977-2006. Link to comment Share on other sites More sharing options...
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