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WeatherSpark displays amazingly complete weather information for more than 4,000 weather data collection sites around the world. The data set goes back to the beginning of the sites published data. I found this presentation very useful for my trip to Bend, OR, USA last week, because it made it possible to schedule my trip to avoid the worst of the weather.

Type your site name into the search box and click. That’s it. You will get a display similar to the one shown below, but also with a self explanatory map to the left, showing a line from your location to the nearest weather station. Because of local variation you might want to chose an alternate location near to a site with more similar weather to the one you seek.

At the top is the typical weather and time information for the site you typed in but also the name and distance to the actual weather station where the data is being collected and its time of collection. Immediately beneath that is a generalized graphic chart showing the History, Today and a Week forecast for your site. The symbols are typical, but multi-level icons. Vertically through the middle of the chart is a red line representing the present hour.

Below, in my photo screen shot, are some little yellow humps representing the sun hight above the horizon. By using the mouse driven slider bar, on the site, (but not on my picture) you can measure the degrees of sun elevation at a given time at the location. That knowledge can help you avoid needlessly driving into the sun on a trip, or deciding what shade trees to plant. It varies noticeably in the two weeks from one side of the chart to the other.

The mouse driven vertical slider line is very useful because it gives you the exact data for a given hour, past, present and future in a box beside the graphed information. Moving the slider to the left gives displays of the detailed history and moving it to the right gives the NOAA weather service forecast. In my shrunken screen shot below you can just see these display boxes, but when viewing WeatherSpark live on a larger screen it is quite readable.

WeatherSpark illustration Bend Oregon

WeatherSpark demonstrates how complex information can be displayed clearly

There are also graphic representations of Temperature, Pressure, Wind Direction and Wind Speed. Each of these data streams has a bounded grey area representing the historical averages for the date. This is strangely informative because it makes graphic and clear typical weather trends which locals feel after living in an area for many years but don’t intellectually take note of, but when you see the timing of typical wind speed and direction of a locality, then some things make sense and you can better prepare yourself to cope with the weather properly.

Yesterday my blog complained about how the Detroit driven automobile industry which had totally fouled up the display of relatively easily displayed information. But, today I want to heap praise on the folks who created this wonderfully clear display of mountains of until now complex and confusing data.

Thank You – WeatherSpark

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