THERE’S BEEN A FLASH FLOOD ADVISORY ISSUED, AND I THINK IN DEMING, YOU’RE ON THE VERGE IN THE NEXT 15 TO 30 MINUTES OF SOME ...

Local heavy rainfall may reach 2 inches, with possible thunderstorms reaching Boston in the late afternoon, forecasters said.

FEMA’s maps are essential tools for identifying flood risks, but they have significant gaps that limit their effectiveness.