'Get prepared on the East Coast, this is a no-kidding nightmare coming for you'. "Now it might be time for the exam", he said.
"But it's possible the eye of Hurricane Florence will take a slight right turn to the south on Friday as it makes its way over eastern North Carolina, which could send a lot more rain to the Charleston area, according to Neil Dixon of the National Weather Service in Charleston".
The governor of North Carolina ordered a mandatory evacuation for more than 1 million people along the coastline.
With the change in the forecast, Georgia Gov. Nathan Deal issued an emergency declaration for the entire state to ease regulations on trucks hauling gasoline and relief supplies, and asked people to pray for those in Florence's path.
"People do not live and survive to tell the tale about what their experience is like with storm surge", he said. The only exception was Edisto Beach - that and other areas to the north remain under evacuation orders.
"In Awendaw, South Carolina, Chris Johnson is staying behind to watch his house while his wife, Michele, is evacuating". From the comfort of the space station, astronauts can only look on in horror, but if you're in the path of this storm you should do everything you can to either get out or prepare for the worst.
Forecasters are predicting catastrophic flooding and devastating storm surges, a term used to describe the abnormal increase in water that results when wind and pressure mix, forcing water onto land. Thinking of the outages likely to come, it also warns to use grills and generators outside - away from doors and windows.
If you need help visualizing it, Masson recommended you think of Hurricane Harvey, which devastated parts of Texas previous year.
As Florence nears the east coast, meteorologists are focused on two key factors: ocean temperatures and wind sheer (the difference in speeds at the upper and lower parts of the storm).
Satellites orbiting Earth have also been keeping tabs on Florence from above.
"The NHC track has been adjusted southward ... and additional southward adjustment may be warranted in future advisories", the National Hurricane Center said Wednesday. "So Florence is kind of spreading out, becoming a much larger, more stable hurricane".
Florence is the most risky of three tropical systems in the Atlantic.
North and SC residents are running out of time to evacuate before Hurricane Florence roars in with pounding surf and driving rain that will bring potentially deadly flooding, officials warn. Coastal North Carolina may receive up to 40 inches (100 centimeters) of rain, the National Hurricane Center said. She has worked as a senior manager in public relations and communications for major telecommunication companies, and is the former Deputy Director for Media Relations with the Modern Coalition.
"Some strengthening is forecast through tonight".