[Tropical] Tropical Weather Outlook and Summary

[EMWIN Server]

ABNT20 KNHC 272342
TWOAT

Tropical Weather Outlook
NWS National Hurricane Center Miami FL
800 PM EDT Mon Sep 27 2021

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

The National Hurricane Center is issuing advisories on Hurricane
Sam, located several hundred miles east of the northern Leeward
Islands.

A well-defined low pressure system associated with the remnants of
Peter is located a few hundred miles east of Bermuda. Although
shower and thunderstorm activity is currently disorganized,
environmental conditions are expected to remain marginally
conducive for a short-lived tropical depression to form tonight or
Tuesday while the system moves northeastward at about 10 mph.  By
Wednesday, however, conditions are expected to become unfavorable
for further development.
* Formation chance through 48 hours...medium...60 percent.
* Formation chance through 5 days...medium...60 percent.

A broad area of low pressure located several hundred miles southwest
of the Cabo Verde Islands is producing a large area of disorganized
showers and thunderstorms. Environmental conditions are conducive
for further development, and a tropical depression is likely to form
during the next day or two while the system moves westward to
west-northwestward at 5 to 10 mph over the central tropical
Atlantic.
* Formation chance through 48 hours...high...70 percent.
* Formation chance through 5 days...high...90 percent.

A tropical wave located just offshore the west coast of Africa
continues to produce a large area of disorganized showers and
thunderstorms.  Upper-level winds are conducive for gradual
development, and a tropical depression is likely to form in a couple
of days while the disturbance moves westward to west-northwestward
at 10 to 15 mph over the far eastern tropical Atlantic.
* Formation chance through 48 hours...high...70 percent.
* Formation chance through 5 days...high...90 percent.

$$
Forecaster Stewart
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