Temperatures in parts of the Northeast reached triple digits by midday as the region slogged through a hot spell that has already scorched the Midwest.
According to Mr. Vaz, the system causing this week’s heat is structurally similar to the historic heat waves of 1995 and 2011, trapping an intensely hot and humid air mass over the region. But while those past events delivered short, intense spikes o... [28612 chars]