The category of a hurricane is determined by wind speeds.
A category 1 hurricane has winds of 74-95 mph.
A category 2 : 96-110 mph.
A category 3 : 111-130 mph
A category 4 : 131-155 mph
A category 5: over 155 mph.
Wind Speed.
Hurricane Isabel was a category 5 hurricane.
Hurricane Michael was a Category 5 hurricane. It made landfall in the Florida Panhandle on October 10, 2018, with maximum sustained winds of 160 mph. It was the first Category 5 hurricane to make landfall in the United States since Hurricane Andrew in 1992.
The first category of a hurricane is category 1.
Hurricane Andrew was a Category 5 hurricane with 175 mph winds. The pressure was 922 mbar.
Category two
It was a category 1 hurricane.
Hurricane Tanya was a category 1.
Hurricane Arthur (2014) was a category 2 hurricane.
Hurricane Chris of 2012 was a category 1 hurricane.
Hurricane Ike is a category 4 hurricane.
Dennis was a category 4 hurricane.