National Weather Service United States Department of Commerce

Cold Front Dropping South Across the Western U.S.; Watching Threat for Tornadoes and Flooding in the South

A cold front will push south across the Western U.S. into Tuesday with mountain snow and areas of gusty to high winds. An area of low pressure will form along this front on Tuesday and bring a potential for severe thunderstorms with tornadoes and excessive rainfall in the lower to mid Mississippi River Valley. To the north, heavy snow is possible in parts of the upper Midwest. Read More >

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):
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From NOAA Earth System Research Lab (ESRL):
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El Nino Map



El Nino Temperatures and Anomalies


Climatology and ENSO-Related Climate Variability in the Pacific


Tropical Cyclone Climatology in the Pacific

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