A hurricane could enter the Gulf of Mexico as soon as Wednesday, after striking western Cuba and the Cayman Islands. The outer bands could sweep the Florida Keys and send some rain over the Florida peninsula later in the week.

How rare is it for a hurricane to form or move through the Gulf of Mexico in November? Very rare. Since 1861, only 11 storms have moved through the Gulf and none of them have made landfall in either Texas or Louisiana.

A disturbance in the Caribbean Sea was upgraded to a tropical depression Monday, is expected to will strengthen to a tropical storm later in the day, and could become a hurricane before it enters the Gulf of Mexico this week,