martha: yet another hurricane is threatening the united states as well as many caribbean islands. preparations underway now in puerto rico. hurricane maria is on the way. it is massive and dangerous. look at this. it is just the latest after irma and harvey and all of the rest in between. it s now headed after leaving a devastating trail of destruction in the island of domenica, which is said to be nearly destroyed. the national weather service is warning this is potentially catastrophic still and strength. joining me on the phone from san juan bret ascare meteorologist for weather nation tv. he has been tracking the storms over the past 15 years and certainly over the last three weeks. tell me what you are seeing there tonight in puerto rico. well, here in san juan most areas have closed up.