Quasi-Biennial Oscillation

Calculated at PSD (from the zonal average of the 30mb zonal wind at the equator as computed from the NCEP/NCAR Reanalysis).

Current QBO

+8.0

Current Phase

Positive

Anomalies

Jan
Negative
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Neutral
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Positive
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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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Neutral
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Positive
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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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