Global Patterns

EL NINO SOUTHERN OSCILLATION
Information on the oscillation between El Nino (warm phase) and La Nina (cool phase)
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ARCTIC / NORTH ATLANTIC OSCILLATION
Information on Arctic Oscillation and the positive and negative phases of the North Atlantic Oscillation
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PACIFIC / NORTH AMERICAN PATTERN
Information on the positive and negative phases of the PNA pattern
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PACIFIC DECADAL OSCILLATION
Information on the PDO, a pattern of Pacific climate variability
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INTERACTIONS
Information on how the various oscillations interact and affect North Carolina
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INFLUENCES ON SNOWFALL
Connections between global climate patterns and North Carolina snowfall on a seasonal, monthly and daily timescale
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CURRENT CONDITIONS
Historical, current and forecast conditions for ENSO, AO/NAO and PNA
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