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Tropical Weather Outlook
NWS National Hurricane Center Miami FL
200 PM EDT Mon Sep 20 2021
For the North Atlantic...Caribbean Sea and the Gulf of Mexico:
The National Hurricane Center is issuing advisories on Tropical
Storm Peter, located northeast of the northernmost Leeward
Islands, and on Tropical Storm Rose, located over the eastern
tropical Atlantic Ocean.
1. Showers and thunderstorms associated with a tropical wave located
several hundred miles south of the Cabo Verde Islands are
still showing some signs of organization, although there does not
appear to be a surface circulation at this time. Upper-level
winds, however, are expected to become conducive for further
development by midweek, and a tropical depression is likely to form
by Thursday or Friday while the system moves westward at 10 to 15
mph across the eastern and central tropical Atlantic Ocean.
* Formation chance through 48 hours...low...30 percent.
* Formation chance through 5 days...high...80 percent.
2. A storm-force, non-tropical low pressure system, the remnants
of Odette, is located a few hundred miles southeast of
Newfoundland. This low could acquire some subtropical
characteristics by the middle of this week as it moves slowly
southeastward over warmer waters across the north-central Atlantic
Ocean before moving northward over cooler waters over the weekend.
Additional information on this system, including storm warnings, can
be found in High Seas Forecasts issued by the National Weather
* Formation chance through 48 hours...low...10 percent.
* Formation chance through 5 days...low...30 percent.
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