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Climate Outlook – 2011/2012

Climate Outlook – 2011/2012. Nadraki Weather www.nadraki.com info@nadraki.com. El Nino / Southern Oscillation. Normal conditions. Southern Oscillation Index (SOI).

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Climate Outlook – 2011/2012

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  1. Climate Outlook – 2011/2012 Nadraki Weather www.nadraki.com info@nadraki.com

  2. El Nino / Southern Oscillation

  3. Normal conditions

  4. Southern Oscillation Index (SOI) SOI is the standardised anomaly of the Mean Sea Level Pressure difference between Tahiti and Darwin. It is calculated as follows: [ Pdiff - Pdiffav ] SOI = 10 ------------------- SD(Pdiff) where Pdiff  =   (average Tahiti MSLP for the month) - (average Darwin MSLP for the month),Pdiffav   =   long term average of Pdiff for the month in question, andSD(Pdiff)   =   long term standard deviation of Pdiff for the month in question.

  5. South Pacific Convergence Zone

  6. Neutral

  7. El Nino

  8. La Nina

  9. References NIWA Island Climate Update 132 - September 2011 Http://www.niwa.co.nz/node/102804 ENSO Observations www.bom.gov.au/climate/enso/ Fiji Climate Outlook http://www.met.gov.fj/aifs_prods/Outlook.pdf

  10. Climate is what you expect, weather is what you get Day to day weather is highly variable in the Pacific. Large ocean areas and small landmass means minor movements of weather systems can have significant impacts. It only takes one cyclone to ruin your day!

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