>>> good morning. harvey roars ashore. the monster hurricane is slamming the texas coast overnight as a category-four storm. 130 mile-per-hour winds, more than 700,000 people in its path. >> reporter: we're bei hit by a pretty significant band from harvey. >> high winds whipping through the gulf coast as torrential rain comes down. fears it could dump more than three feet of rain over texas. hundreds of thousands without power. president trump signing a disaster declaration overnight, amid fears that the damage could be catastrophic. >> hoping i wake up in the morning and i have a town. >> and harvey's fury is far from over. today, saturday, august 26th, 2017. >>> from nbc news, this this a special edition of "today" -- "hurricane harvey makes landfall." live from studio 1a in rockefeller plaza.