In weaker storms, the eye may not be evident from satellite images and it usually takes wind reaching above 74 miles per hour for the eye features formation.
The storm, which could become the first major cyclone to make landfall on Hawaii in 26 years, could be so devastating that authorities are urging residents to set aside two weeks' worth of food and water.
Hawaii governor David Ige, who signed an emergency proclamation Tuesday, echoed the sentiment. Some areas may see as much as several feet of rain pour in through the island.
Schools are closed and local government workers have been told to stay home unless they are essential employees.
1992's Hurricane Iniki, which killed six people and damaged 14,000 homes is now the Island's most powerful storm on record.
But the Pacific Ocean is massive, and the Hawaiian Islands are not so big, at least geographically speaking.
Paul Akamine fills propane tanks for customers as Hurricane Lane approaches Honolulu, Hawaii. According to The Weather Channel, last year's deadly Hurricane Harvey brought nearly 30 inches of rain in a 24-hour period to Texas.
Brianna Sugimura, with her children Radon-Kai and Kanaloa, unloads supplies for riding out the storm on the island of Kauai on August 21. Some are anxious the hurricane's winds could push toxic ash from the volcano back toward the Big Island.
Members of the Alapahoe outrigger canoe club move their canoes off the beach to higher ground as Hurricane Lane approaches Honolulu, Hawaii.
There are only a few storms in the Central Pacific. Because Lane is moving so slowly and will touch each island ー and given the terrain ー Hawaiians should be prepared for a "potential flooding disaster", hurricane expert Dr. Rick Knabb tweeted on Thursday. Even if the center of Lane remains offshore, severe impacts could still be realized as they extend well away from the center.
There are no reports of buildings or homes flooding on the Big Island at this time.
President Donald Trump directed FEMA and administration officials to remain in close coordination with the state, White House spokeswoman Sarah Sanders told reporters.
The exact path of the storm is still uncertain, according to CNN meteorologist Pedram Javaheri.
Widespread rainfalls of 10 to 15 inches are possible, with more than 20 inches possible in some spots. "The heavy rains will lead to landslides and hazardous travel!"