Hurricane Irma weakened to a Category 1 storm early today as it marched up the US state of Florida's northwestern coast, with its eye located about 40 kilometers northeast of the vulnerable Tampa area.Maximum sustained winds had decreased to near 85 miles per hour as of 2:00 am local time, with Irma projected to become a tropical storm as it moved into northern Florida or … [Read more...] about Irma weakens to Category 1 Hurricane but still poses threat