wX is a free, no-ads, and open-source ( GNU GPLv3 ) advanced weather application that is geared towards storm chasers, meteorologists, and weather enthusiasts. NWS ( National Weather Service ) data is optimized for mobile format and provided for divisions not normally covered together in the mobile space: SPC, WPC, NHC, OPC, etc. Level 3 and Level 2 Nexrad radar ( single, dual, quad pane ) are provided and displayed using the mobile variant of OpenGL.
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Unlike many weather apps, which seem to be ad platforms with a side of weather data, wX is pure weather.
Pro No nonsense
The interface is very utilitarian, presenting data and little else. No glitzy animations, flashy transitions or so on.
Pro It's akin to having a weather office crammed in your pocket
If you want to know exactly why the weather is exactly behaving the way it is, this is the app for that.
Con Takes a bit of setup
Due to the data first nature of the app, even entering your location can be mildly complicated due to the method used.
Con Interface is bricklike
A side effect of being so data oriented means there are basically no circles to be found outside the radar panes and imaging.
Con US/Canada and outlying Islands only
Unfortunately, the app relies on data supplied by NOAA and the NWS, and as such, doesn't service anywhere not serviced by either.