A recent high tide flooded Annapolis, Maryland, sending waters from the Chesapeake Bay well into town and onto the floors of several businesses. It's an event happening with increasing frequency.

ANNAPOLIS, MD — Over 4 feet of flooding swamped downtown Annapolis, temporarily closing businesses and roads on Thursday. At 12:30 p.m., the Severn River had a storm surge of 4.27 feet above the ...