. >>> emily moses was riding the green line train when it lost power. the driver told passengers the rescue train had lost power, too. the temperatures were in the mid-90s and the terrain was uneven. she was concerned about the preeing -- pregnant women and elderly. >>> pools will operate on two-hour sessions. they will be closed between 3:00 and 3:30 to clean out. >>> cool centers are open statewide. we checked in on the cooling center to see if people were taking advantage of the cool air and the cool water. >> to be able to cool off. some people have nowhere to go so they have to come here to cool off. cool off a little bit. >> if you know where the cooling centers are in your neighborhood, head to our website for a list at abc2news.com. >>> let's go down to the ocean. you're coming off 5:00, a little after 5. that's it. i had enough sun. then we're going back to the beach to watch the fireworks. anybody with me? >>> all about it. somewhere to cool off, yeah. jump in the bay, something. all right. take a look to the west, a couple of storms flaring.