Tropical waves

HURRICANE CENTER: 90 Percent Chance Two Systems Form Within Days

Florida hurricane News weather
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Very Busy Southeast Of Florida. Waves Likely To Become Cyclones This Week.

Hurricane Sam Packing 130 MPH Winds Tuesday Morning.

Two waves, in red, are expected to become tropical cyclones later this week.

BY: WEATHER TEAM | BocaNewsNow.com

BOCA RATON, FL (BocaNewsNow.com) (Copyright © 2021 MetroDesk Media, LLC) — The Atlantic Hurricane season is set to enter October with significant activity, as two waves southeast of Florida have a 90 percent chance of becoming tropical cyclones, according to the National Hurricane Center.

While it is far too early to know definitively what the system will do or where they will go, forecasters predict they will continue to move west — or northwest — during the five day forecast period.

The red ovals that you see on the map above indicate the area where a system may form, not necessarily a direction of travel.

Major Hurricane Sam as of early Tuesday, September 28, 2021.

Peter and Sam, two systems that received significant attention, are now expected to have no direct impact to the U.S. Mainland. Sam remains a strong hurricane, while Peter is now just remnants of its former self. The next storm names: Victor and Wanda.

Here is the early morning outlook from the National Hurricane Center:

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.

1. 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.

2. A tropical wave located over the far eastern tropical Atlantic 
several hundred miles southeast of the Cabo Verde Islands 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 day or two 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.

3. A well-defined low pressure area associated with the remnants 
of Peter is located a few hundred miles east of Bermuda. The shower 
and thunderstorm activity associated with this system has become 
less organized since early Monday.  Although strong upper-level 
winds are likely to prevent significant development, this system 
could still become a short-lived tropical depression later today or 
tonight while it moves northeastward at about 10 mph.  By Wednesday, 
however, conditions are expected to become unfavorable for further 
development.
* Formation chance through 48 hours...medium...50 percent.
* Formation chance through 5 days...medium...50 percent.

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