The reflectivity mode, radar tilt angle being used and the time of last update are displayed at the bottom. Within the states, the county borders are shown, and you can turn on/off the major city locations/labels. You can view all the warnings, nationwide so that you can be aware of weather affecting friends and family. You can, optionally mark your own exact location. The graphics and use of the display space is excellent, even on the smaller iPhone display. But you don't have to be an expert to spot really strong thunderstorm cells and the direction of movement, and that's what makes this app so useful. For example, if you're in an exceptionally hilly area, you may want to adjust the tilt angle to avoid ground clutter. While few of us are meteorologists, trained in using the various modes of the radar, the explanations are clear enough that one can learn, explore, and begin to appreciate the app as time goes on. You can select from several different tilt angles used by the radar, from 0.5 to 4.0 degrees above the horizon.Īll these options are expertly explained on the support pages. For example, you can select from different reflectivity options: Base, Classic and Composite reflectivity. to see an area of interest.īut then, as you explore further, you discover that it surfaces to the user a lot of the raw radar data that you can learn about and then use to customize your view. It's agenda free you don't have to enter a ZIP code or identify your location. To first order, if you want to see the raw data, color coded for intensity, as is customary, you can get an instant feel for thunderstorm activity in any part of the U.S. To achieve that is no mean feat for any developer. This app is, at once, extremely easy to use and informative but also very technically capable. Unlike some other apps, the images aren't smoothed PNG or GIF images, and the data remains in its original radial format. In addition, it displays predicted storm tracks plus severe weather and flash flood text warnings from the NWS. RadarScope obtains the raw NEXRAD radar data from the 159 National Weather Service Doppler radars, some in super resolution, in the U.S., Guam and Puerto Rico and displays tweather patterns, such as thunderstorms and other weather effects, on your iOS device.
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