This image of rainfall occurring in Tropical Storm Arthur on July 1, 2014 at 12:20 p.m. EDT showed heavy rain (red) around the center of the storm. Disclaimer: AAAS and EurekAlert! are not ...

HALIFAX – Environment Canada is warning that tropical storm Arthur could impact Atlantic Canada this weekend. The Canadian Hurricane Centre says the storm is expected to intensify to hurricane ...

Image: Tropical Storm Arthur, taken by the MODIS instrument aboard NASA’s Aqua satellite on July 2 at 18:50 UTC (2:50 p.m. EDT). A cloud-covered eye is clearly visible. (Credit: NASA Goddard ...