nhc.noaa.gov

p8xep TIL that the US's National Weather Service has a computer model to predict storm surges due to hurricanes called the Sea, Lake and Overland Surges from Hurricanes model, or SLOSH.
d8mnr TIL Hurricane names are predetermined. There are six years of names that get rotated. If a hurricane is particularly devastating (Katrina) the name is removed from the list.
JY6Y1 TIL that the reason there isn’t a Category 6 storm is because there isn’t anything left to destroy after a Category 5.