Contents

• Historical Climate Data
• Current Conditions
• Short Term (one to a few season) climate forecasts
• Human-Caused Climate Change

• Special Modes of Natural Climate Variability 

• El Niño / La Niña
• Pacific Decadal Oscillation

• Arctic Oscillation

• Other climate links

Historical Climate Data

• Look up the climate of almost any US city 
• Seasonal forecasts of temperature and precipitation for the continental US
• Western US Historical Climate Summaries (station data)
• Climate Diagnositics Center Interactive Web Tools (plot climate data from 1948-present) 

Current Conditions

GLOBAL/CONTINENTAL

• Climate indices archived by NOAA's Climate Prediction Center
• Climate Diagnostics Center Maproom (Global Fields)

EL NINO SOUTHERN OSCILLATION

• NOAA's TOGA-TAO buoy data
• NOAA Climate Prediction Center Weekly Updates

US PACIFIC NORTHWEST


• Current Washington snowpack & precipitation statistics from NRCS/Snotel data
• Snotel precipitation and snowpack graph
• Northwest River Forecast Center quick look at Columbia River basin conditions 

Short Term (one to a few season) Climate Forecasts

• National Center for Environmental Prediction
• US seasonal precipitation and temperature probabilities
• International Research Institute for Climate Predictions
• European Center for Medium Range Weather Forecasts
• equatorial Pacific SST plumes

Human Caused Climate Change

• Intergovernmental Panel on Climate Change
• US Global Change Research Program
• Current greenhouse gas concentrations (CDIAC)
• Comprehensive list of online climate change resources from the Pacific Institute
• a very comprehensive collection of links on climate change compiled by Yahoo

Important climate variations (ENSO, PDO, AO)

El Niño / La Niña

• NOAA's Office of Global Programs ENSO site  - Your complete guide to ENSO, past, present, and future.
• El Niño and Climate Prediction - "Reports to the Nation" paper on El Niño, comprehensive and written for the layman.
• The El Niño Theme Page - NOAA PMEL, lots of graphics.
• La Niña animations Comparison of past events.
• A comprehensive collection of links to El Niño web sites.
• Forecasts and impacts of ENSO through the International Research Institute
• PMEL's collection of forecasts 
• El Niño Advisory from the Climate Prediction Center 
• Coupled ocean-atmosphere prediction of El Niño by Australia's Bureau of Meteorology

Research Centre
• The 1997/98 El Niño -a comprehensive list of links to stories and information, compiled by Steven Hare

Pacific Decadal Oscillation

JISAO PDO page

Arctic Oscillation 

JISAO Arctic Oscillation Page

Other Links

• Puget Sound regional synthesis model (PRISM) project

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