Climate Resources

Arctic and Antarctic Data:

Arctic Temperatures (DMI) and Zlabe's site

Northern Hemisphere Snow Coverage: Weekly and Monthly

Sea Ice Extent: JAXA and NSIDC (Northern and Southern Hemispheres) and MASIE (NSIDC)

Attribution:

Explaining extreme events (BAMS) -- see bottom of the page

Carbon Dioxide:

Trends in Atmospheric Carbon Dioxide (NOAA)

Climate Forcing Data:

NOAA Paleoclimatology

Climate Indicators:

Environmental Protection Agency (EPA)

Climate Tools:

Climate Explorer

NOAA Climate Change Portal (Includes CMIP5 projections)

Global Temperatures:

GISS

Upper Air Data, including RATPAC (NOAA)

Impacts:

MyClimateFuture

IPCC.Chat

Interactive AI tool

Oceanic Heat Content:

NOAA NODC

Return Times:

U.S. Precipitation Amounts

Sea Level:

Mean Sea Level Rise (CNES Aviso+)

Snow Extent:

NESDIS

United States Climate:

State of the Climate Reports