Abstract: The NOAA/National Severe Storms Laboratory Historical Weather Data Archive (NSSL HWDA) is a new Web-based data portal that delivers surface and upper-air data to the online user through horizontal maps, vertical profiles ...

Abstract: Although certain regions of the Arctic have experienced periods of decadal warming during the last 100 years, recent decades show an ongoing suite of Arctic-wide, interrelated atmospheric, oceanic, terrestrial, and human ...