National Weather Service United States Department of Commerce

Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. 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):
From CPC/NCEP:
From NOAA Earth System Research Lab (ESRL):
From Bureau of Meteorology (BoM), Australia:

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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