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Tropical Weather Outlook
NWS National Hurricane Center Miami FL
200 PM EDT Sat Aug 19 2017
For the North Atlantic...Caribbean Sea and the Gulf of Mexico:
The National Hurricane Center is issuing advisories on Tropical
Storm Harvey, located over the central Caribbean Sea.
1. A trough of low pressure located about 250 miles north-northeast of
the northern Leeward Islands continues to produce disorganized
showers and thunderstorms. Environmental conditions are expected to
be unfavorable for development during the next couple of days while
the system system moves west-northwestward at about 20 mph.
Conditions may become a little more conducive early next week while
the system is near the Bahamas.
* Formation chance through 48 hours...low...10 percent.
* Formation chance through 5 days...low...30 percent.
2. A tropical wave located over the eastern Atlantic Ocean about
midway between the Lesser Antilles and Africa is producing some
shower and thunderstorm activity. Environmental conditions appear
somewhat conducive for gradual development over the next day or
two while the system moves west-northwestward to northwestward at
about 20 mph, but upper-level winds are forecast to become
unfavorable by early next week.
* Formation chance through 48 hours...low...10 percent.
* Formation chance through 5 days...low...10 percent.
Forecaster Beven
Original author: NHC
