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The website presents real-time and past observations from Canadian federal, provincial and regional government and Nav Canada weather stations. The addition of Meteorological Service of Canada radar, public forecasts and weather model forecasts (presented by spotwx.com) and US weather satellite coverage over Canada make it more useful as a source of day-to-day weather information.
The goal is to provide "clear" weather data, where you are clear as to what you are looking at and what it means about the world. Wind, temperature and precipitation are highly variable in time and space so station siting, reliability and timeliness are important. Weather radar complements the station observations. Fast access to easily read observations is crucial for putting it all together.
I worked as a forecaster in Newfoundland and then 25 years on the west coast forecasting over BC, its coastal and offshore waters and the Yukon. Weather stations observe properties familiar to everyone such as temperature and rainfall so they can be useful to anyone, not just to the pros. The federal government spends millions annually*** on these observations and provides them free of charge on its data servers in formats that are great for IT professionals and lousy for anyone using the data to understand the weather. This website is my attempt to provide easy free access to data collected by governments in Canada to anyone interested in weather and weather data.
Please note that there are no Environment Canada weather warnings on this site. Humidex, wind chill and UV index are trimmed from the EC forecasts to save space and because they aren't "clear"!
Ford Doherty