Update: Heat advisory issued for Southeast Pa. for Sunday [Video]

An updated heat advisory was issued by the National Weather Service on Saturday at 2:51 a.m. valid for Sunday between 11 a.m. and 7 p.m. for Eastern Chester, Eastern Montgomery and Lower Bucks as well as Delaware and Philadelphia counties.

“Heat index values up to 102 degrees expected,” states the weather service. “Some showers and thunderstorms especially during Sunday afternoon will provide local relief from the heat.”

“Hot temperatures and high humidity may cause heat illnesses,” explains the weather service.

Hot weather safety: Weather service tips for staying safe and healthy

• Stay hydrated: Remember to drink plenty of fluids.
• Seek shelter: Stay in an air-conditioned room.
• Avoid sun exposure: Stay out of the sun, and check up on relatives and neighbors.
• Child and pet safety: Exercise vigilance when it comes to young children and pets. Never leave them unattended in vehicles during high temperatures, as car interiors can quickly become dangerously hot.
• Caution outdoors:If you work or spend time …