Tens of thousands of homes and businesses in New Jersey were without power Tuesday afternoon with temperatures soaring into the 90s during the latest heat wave to hit the state. The cause of the outages wasn’t immediately available as of 4:30 p.m. Isolated thunderstorms are expected to hit the state later this afternoon and evening. The vast majority of the outages – more than 62,000 – were reported by JCP&L, primarily in Sussex and Morris counties. The high temperatures were expected to send energy demand soaring today as parts of the state hit an eighth day of the heat wave. The National Wea…