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X-37B
This much we know: It’s not a bird and it’s not exactly a plane.

Beyond that, the U.S. Air Force holds all the answers. The mission of the unmanned X-37B Orbital Test Vehicle, which is scheduled to touch down at Vandenberg Air Force Base in California Tuesday after 22 months in orbit, has been described only vaguely as “to gather more test data.”
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NOAA HRRR
Today, meteorologists at NOAA’s National Weather Service are using a new model that will help improve forecasts and warnings for severe weather events. Thanks to the High-Resolution Rapid Refresh (HRRR) model, forecasters will be able to pinpoint neighborhoods under threat of tornadoes and hail, heavy precipitation that could lead to flash flooding, or heavy snowfall and warn residents hours before a storm hits. It will also help forecasters provide more information to air traffic managers and pilots about hazards such as air turbulence and thunderstorms.   (more…)