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Tropical Weather Outlook Text

ZCZC MIATWOAT ALL
TTAA00 KNHC DDHHMM

Special Tropical Weather Outlook
NWS National Hurricane Center Miami FL
1100 PM EDT Sat Sep 21 2019

For the North Atlantic...Caribbean Sea and the Gulf of Mexico:

Updated for the low pressure area near the Windward Islands.

The National Hurricane Center is issuing advisories on Tropical
Storm Jerry, located a few hundred miles north of Puerto Rico.

1. Updated: A strong tropical wave, accompanied by a broad low pressure
area located between Barbados and Tobago, is producing showers and
thunderstorms that are showing signs of organization.  In addition,
recent satellite-derived surface wind data and observations from
Barbados indicate that the disturbance is producing winds to near
tropical storm force in the eastern portion of the system. Further
development of this disturbance is expected over the next couple of
days, and a tropical depression or tropical storm will likely form
while it moves westward and then northwestward at 10 to 15 mph
across the Windward Islands and over the eastern Caribbean Sea.  The
system is then expected to turn northward, moving near Puerto Rico
and the Virgin Islands on Tuesday. Regardless of development, heavy
rainfall and strong gusty winds are likely over much of the Lesser
Antilles during the next couple of days and will likely spread
across Puerto Rico and the Virgin Islands by Monday night or
Tuesday.  Interests across the eastern Caribbean should monitor the
progress of this disturbance since tropical storm watches and
warnings could be required for portions of the Lesser Antilles and
Puerto Rico and the Virgin Islands on Sunday.
* Formation chance through 48 hours...high...70 percent.
* Formation chance through 5 days...high...70 percent.

2. A tropical wave is expected to move off the west coast of Africa
overnight and on Sunday.  Environmental conditions are conducive
for development of the wave once it moves over water, and a
tropical depression or tropical storm is expected to form during
the early or middle part of next week while moving westward to
west-northwestward across the eastern tropical Atlantic at 15 to 20
mph.
* Formation chance through 48 hours...medium...60 percent.
* Formation chance through 5 days...high...90 percent.

Further information on the system near the Windward Islands can be
found in High Seas Forecasts issued by the National Weather Service
can be found under AWIPS header NFDHSFAT1, WMO header FZNT01
KWBC, and online at ocean.weather.gov/shtml/NFDHSFAT1.php

Forecaster Stewart/Blake




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