Atlantic Hurricane and Tropical Storm Advisories

NHC Atlantic

Active tropical cyclones in the Atlantic, Caribbean, and the Gulf of Mexico

Atlantic Tropical Weather Outlook-
ABNT20 KNHC 211736

Tropical Weather Outlook
NWS National Hurricane Center Miami FL
200 PM EDT Fri Sep 21 2018

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

A low pressure system, associated with a tropical wave, is located
about 600 miles south-southeast of the Cabo Verde Islands.
Although the showers and thunderstorms have decreased this
afternoon, this system is still showing signs of organization. The
environmental conditions are forecast to be conducive for slow
development, and a tropical depression could form early next week
while the system moves westward at 15 to 20 mph across the
low latitudes of the eastern and central tropical Atlantic Ocean.
* Formation chance through 48 hours...low...30 percent.
* Formation chance through 5 days...medium...60 percent.

A weak low pressure area located about 500 miles east of the
Windward Islands is producing disorganized showers and
thunderstorms to the east of the center. Strong upper-level winds
and dry air should prevent significant development of this system
while it moves west-northwestward at around 10 mph.
* Formation chance through 48 hours...low...10 percent.
* Formation chance through 5 days...low...10 percent.

A broad area of low pressure located about 100 miles southeast
of Bermuda is producing minimal shower activity. Development of
this system is not expected during the next couple of days due to
dry air and strong upper-level winds. However, environmental
conditions could become more conducive for slow development when the
system moves over the southwestern Atlantic Ocean during the early
and middle part of next week.
* Formation chance through 48 hours...low...near 0 percent.
* Formation chance through 5 days...low...30 percent.

A non-tropical low pressure system is forecast to develop tonight
or on Saturday over the central subtropical Atlantic Ocean midway
between Bermuda and the Azores. Conditions are expected to be
conducive for the low to acquire subtropical or tropical
characteristics, and a subtropical or tropical cyclone is likely
to form late this weekend or early next week while the low meanders
over the central Atlantic Ocean.
* Formation chance through 48 hours...low...20 percent.
* Formation chance through 5 days...high...70 percent.

Forecaster Cangialosi

There are no tropical cyclones at this time.-No tropical cyclones as of Fri, 21 Sep 2018 18:51:10 GMT

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