Michael strengthens into a hurricane, menaces Florida

  • Tallahassee Mayor and Democratic gubernatorial candidate, Andrew Gillum, left, helps Eboni Sipling fill up sandbags in Tallahassee, Fla., Monday, Oct. 8, 2018. Residents in Florida’s Panhandle and Big Bend are getting ready for Hurricane Michael, which is expected to make landfall by midweek. (AP Photo/Gary Fineout)

  • This satellite image provided by the National Oceanic and Atmospheric Administration shows a view of Tropical Storm Michael, lower right, churning as it heads toward the Florida Panhandle, Sunday, Oct. 7, 2018, at 6:52 p.m. Eastern Time. (NOAA via AP)

MIAMI — A tropical weather system that rapidly strengthened into Hurricane Michael on Monday is likely to keep growing stronger ahead of an expected strike on Florida’s Panhandle by midweek, forecasters said.