Tropical Storm Gamma strengthens:
Tropical Storm Gamma is strengthening prior to landfall; maximum sustained winds are now up to 65 mph. It has very impressive convection and will produce torrential rain, flash flooding, and mudslides with up to 20 inches of rain possible.
From the National Hurricane Center:
Gamma is expected to produce rainfall of 4 to 8 inches across portions of the Yucatan Peninsula and far western Cuba, with maximum rainfall amounts as high as 10 to 15 inches possible across the northeastern portion of the Mexican state of Quintana Roo. This rainfall may produce life-threatening flash floods. A separate area of significant rain is expected to develop well away from the center in the Mexican states of Campeche, Tabasco, and northern Chiapas with rainfall of 8 to 12 inches and isolated maximum amounts of 20 inches. This rainfall may produce life-threatening flash floods and mudslides.