1. Satellite images and surface observations indicate that the area of disturbed weather located over the extreme northwestern Caribbean Sea and the southeastern Gulf of Mexico is gradually becoming better organized. Ship reports indicate that this system is producing strong gusty winds over the Yucatan Channel. Upper-level winds are forecast to become more conducive for development, and a tropical depression is likely to form by Thursday night while the disturbance moves across the western Gulf of Mexico. If necessary, an Air Force Reconnaissance plane will investigate the system tomorrow. Interests across northeastern Mexico and the coasts of Texas and Louisiana should monitor the progress of this system. Regardless of development, heavy rainfall and gusty winds are expected to continue over western Cuba and portions of the northeastern Yucatan Peninsula today. * Formation chance through 48 hours...medium...50 percent. * Formation chance through 5 days...high...70 percent.
As of 2:00 pm EDT Wed Sep 12 2018 ... Satellite images and surface observations indicate that a broad area of low pressure has formed in the central Gulf of Mexico. Although the shower activity is still disorganized, upper-level winds are forecast to become more conducive for development, and it is likely that a tropical depression will form on Thursday, before the system reaches the western Gulf coast. Another reconnaissance plane is scheduled to investigate the disturbance tomorrow. Regardless of development, heavy rainfall and gusty winds are expected across portions of northeastern Mexico, Texas, and Louisiana late this week, and interests there should monitor the progress of this system, and refer to products from their local weather office. * Formation chance through 48 hours...high...70 percent. * Formation chance through 5 days...high...70 percent.
