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Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Pacific ENSO Applications Climate Services

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ENSO and Climate Variability

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ENSO and Climate Variability

Understanding ENSO (From PMEL)

ENSO Monitor - State of Current Conditions
From International Research Institute for Climate and Society (IRI): From NOAA Pacific Marine Environmental Lab (PMEL):
From CPC/NCEP:
From NOAA Earth System Research Lab (ESRL):
From Bureau of Meteorology (BoM), Australia:

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El Nino Temperatures and Anomalies

Climatology and ENSO-Related Climate Variability in the Pacific

Tropical Cyclone Climatology in the Pacific

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