"Even if formation does not occur before the system reaches the Yucatan peninsula, a tropical depression or tropical storm could form over the Bay of Campeche by midweek", the NHC said.
Tropical Storm Franklin is expected to keep moving in the same direction for the next 48 hours, with forecasters predicting it will move across the Yucatan Peninsula Monday night and Tuesday.
A storm surge is possible as it makes landfall, and residents of the affected areas were warned to make preparations in advance of the storm to protect themselves from its effects, USA Today reported.
The National Hurricane Center in Miami reported at 5 a.m. that Franklin's top winds already strengthened to 45 miles per hour (75 kph) in the northwestern Caribbean, where it's moving west-northwest at 13 miles per hour (21 kph) off the coast of Honduras.
This new product by the NHC allows them to start issuing advisories on the storm, as well as watches and warnings.
Tropical Storm Franklin is getting more organized, forecasters said Monday as the storm approached the first of what could be two landfalls in Mexico. There is an outside shot that Franklin could strengthen rapidly to a hurricane prior to landfall tonight.
The tropical storm will be named Franklin once the winds reach 39 miles per hour. The most widespread damage is expected to be close to the coast of southern Quintana Roo.
We've now entered the portion of hurricane season when every potential system must be watched closely for development and potential impacts to land.
Colorado State University researchers say unusually warm water in the Atlantic Ocean has them now predicting a 61 percent chance that Florida will get hit by a hurricane of some magnitude this season.