Irma hits Orlando as Category 1 storm, moving northwest

Irma weakened to a Category 1 storm as the massive hurricane zeroed in on the Tampa Bay region early Monday after hammering much of Florida with roof-ripping winds, gushing floodwaters and widespread power outages.

Irma set records; luckily, late weakening dampened its power

Before crashing into Florida, Hurricane Irma set all sorts of records for brute strength as it flattened Caribbean islands and swamped the Florida Keys. Irma's assault - so soon after Harvey's deluge of Houston - marked the first time the U.S. was hit by two Category 4 storms in the same year.