000 ABNT20 KNHC 020552 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 200 AM EDT Mon Sep 2 2019 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: The National Hurricane Center is issuing advisories on Hurricane Dorian, located over eastern Grand Bahama Island. Recent satellite-derived surface wind data indicate that the low pressure system located about 150 miles west-southwest of the Cabo Verde Islands has become better defined. Shower and thunderstorm activity is beginning to show signs of organization, and environmental conditions appear conducive for a tropical depression to form during the next day or so while the system moves generally northwestward across the eastern tropical Atlantic Ocean. Locally heavy rainfall will be possible over the Cabo Verde Islands through Tuesday. * Formation chance through 48 hours...high...80 percent. * Formation chance through 5 days...high...80 percent. A broad area of low pressure located over the south-central Gulf of Mexico continues to produce widespread cloudiness and disorganized showers and thunderstorms. Some gradual development of this system is possible during the next few days while the low moves slowly westward across the south-central and southwestern Gulf of Mexico toward the coast of Mexico. * Formation chance through 48 hours...low...30 percent. * Formation chance through 5 days...medium...50 percent. A trough of low pressure is located several hundred miles south-southeast of Bermuda. Shower and thunderstorm activity has increased since yesterday and has also become better organized this morning. Gradual development of this system is possible during the next few days while the disturbance moves slowly northward or north-northwestward. Interests in and around Bermuda should monitor the progress of this disturbance. * Formation chance through 48 hours...low...30 percent. * Formation chance through 5 days...medium...50 percent. A tropical wave is forecast to emerge over the far eastern tropical Atlantic between Africa and the Cabo Verde Islands by the end of the week. Some gradual development of this disturbance will be possible over the weekend while it moves westward to west-northwestward. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 5 days...low...20 percent. $$ Forecaster Stewart