National Centers for Environmental Prediction

Storm Prediction Center
Tropical Prediction Center/National Hurricane Center
Hydrometeorological Prediction Center
Climate Prediction Center
National Climatic Data Center
Climate Diagnostics Center
Pacific Marine Environmental Laboratory

National Snow and Ice Data Center sea ice extent


Map Discussion Links from CDC, CPC, and PMEL

CDC Map Room (including PNA and NAO Analysis and Forecast)
CDC Interactive Plotting and Analysis
CPC NAO Analyis and Forecast
CPC PNA Analysis and Forecast
CPC AO Analysis and Forecast
CDC Drought Monitoring
NCDC Climate Monitoring
NCDC Climate Division Rankings
CPC Climate and Weather Linkages
Complete List of CPC Products
CPC Monitoring of Weather and Climate
CPC 30, 90 and 365 day Precipitation Time Series for US and World Locations
CPC 30, 90 and 365 day Temperature Time Series for US and World Locations
CPC Archive of Past Monthly/Seasonal Forecasts
UWash Teleconnection Indices and Temperature/Precipitation Variability
South Pole Ozone Program
Objective Rank of Synoptic Scale Events (Bob Hart and Rich Grumm)
Ocean Prediction Center Surface Map Archive for the last 14 days
Ocean Prediction Center Unified Surface Analysis
Global precipitable water 5-day loop from CSU/CIRA
Tropical Atmosphere Ocean Project
Climatology of Global Ocean Winds (Oregon State University)

CDC:
Monthly Mean/Composites
Daily Composites
6-hr Data Plots
Time-Section Plots
Daily Data Plots
Linear Monthly/Seasonal Correlations

NCDC:
CLIMVIS
Climate Data Archive
NNDC Climate Data Online
NOMADS Data Access

CPC:
CPC Teleconnection Main Page
Seasonal ENSO Monitoring