Phases of the Southern Oscillation

The SOI phase forecast system uses pre-determined clusters of the SOI that represent the variability in month-to-month values of the SOI.

Current soiphases

-0.35

Current Phase - (April)

Rising

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Anomalies

Jan
Negative
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Positive
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Falling
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Rising
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Near Zero
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Feb
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Mar
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Apr
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May
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Jun
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Jul
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Aug
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Sep
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Oct
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Nov
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Dec
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Skill Scores

Jan
Negative
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Positive
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Falling
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Rising
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Near Zero
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Feb
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Mar
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Apr
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May
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Jun
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Jul
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Aug
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Sep
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Oct
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Nov
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Dec
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