ABNT20 KNHC 122329 
Tropical Weather Outlook 
NWS National Hurricane Center Miami FL 
800 PM EDT Thu Oct 12 2017 
For the North Atlantic...Caribbean Sea and the Gulf of Mexico: 
The National Hurricane Center is issuing advisories on Hurricane 
Ophelia, located over the eastern Atlantic Ocean several hundred 
miles southwest of the Azores. 
A strong tropical wave located several hundred miles east of the 
Lesser Antilles is producing disorganized showers and thunderstorms. 
Upper-level winds are expected to prevent significant development of 
this system for the next couple of days as it moves to the north of 
the Leeward Islands. Environmental conditions could become a little 
more conducive for some development early next week while the system 
moves northward over the west-central Atlantic Ocean. 
* Formation chance through 48 hours...low...near 0 percent. 
* Formation chance through 5 days...low...20 percent.