Find your station
Search by station name or enter its three-character SSC code.
The Spatial Synoptic Classification organizes each day into an intuitive weather type, connecting local conditions with climate variability, long-term change, health, and environmental impacts.
Search by station name or enter its three-character SSC code.
See yesterday’s classifications and forecasts from the NAM and ECMWF models in one interface.
Explore frequencies and trends, climatology, record years, historical maps, precipitation, and air quality.
Click a station to open its visual calendar. Colors indicate data status through September 30, 2026.
Each type describes a holistic combination of temperature, moisture, pressure, wind, and cloud cover relative to a station and season.
Learn about DP, DM, DT, MP, MM, MT, and TR →Daily classifications are freely available for noncommercial research with appropriate credit.
Interpret and download the data →SSC research spans climate variability, human health, air quality, precipitation, tourism, and ecosystem impacts.
Browse SSC research →