rico. brianna. >> big concern. realistic concern there. george howell in san juan, thank you, sir. you heard george talking about how unusual this is. irma is only the fourth storm in the recorded history of atlantic hurricanes to grow this strong weather experts are stunned by what they're seeing. we have seth borrwith us, a sci writer for the associated press. i want to show our viewers something. you said, i've been covering hurricanes and storm science for more than 25 years and i have never seen anything like irma. what is it about irma that is so unbelievable to you, almost? >> the strength. 185-mile-an-hour sustained, not gusts, sustained winds, 185 miles an hour. so, when andrew hit south florida, and i was there for andrew, that was 145-mile-an-hour winds. >> sustained. 145 sustained. >> this is 40 miles an hour more. there has never been anything