Daily weather types · Global coverage

Weather patterns, made comparable.

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.

Historical observations Loading current data status…
—stations
—countries
—reporting in 2026
1940s–2026longest station records

Find your station

Search by station name or enter its three-character SSC code.

Current & Forecast

See yesterday’s classifications and forecasts from the NAM and ECMWF models in one interface.

Open Current & Forecast →

Analyze the record

Explore frequencies and trends, climatology, record years, historical maps, precipitation, and air quality.

Open Frequency Over Time →

Global station coverage

Click a station to open its visual calendar. Colors indicate data status through September 30, 2026.

Applications

SSC research spans climate variability, human health, air quality, precipitation, tourism, and ecosystem impacts.

Browse SSC research →