Tropical Storm Fiona Hanging On
TROPICAL STORM FIONA HANGING TOUGH
TWO OTHER TROPICAL WAVES MOVING WEST
Tropical Storm Fiona has been hanging on quite well over the last couple of days despite the very strong shear that is clearly evident. You can see the cloud tops getting blown away to the east however you can also see a new burst of convection firing up around midday so the tropical storms continues to live on as it tracks in what appears to be a west northwest direction.
...FIONA WEAKENS A LITTLE MORE... SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...22.9N 53.3W ABOUT 680 MI...1095 KM NE OF THE LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H PRESENT MOVEMENT...WNW OR 295 DEGREES AT 16 MPH...26 KM/H MINIMUM CENTRAL PRESSURE...1007 MB...29.74 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ At 1100 AM AST (1500 UTC), the center of Tropical Storm Fiona was located near latitude 22.9 North, longitude 53.3 West. Fiona is moving toward the west-northwest near 16 mph (26 km/h), and this general motion is expected to continue during the next couple of days. Maximum sustained winds have decreased to near 40 mph (65 km/h) with higher gusts. Some weakening is forecast during the next 24 hours, and Fiona could weaken to a tropical depression later today or tonight. Tropical-storm-force winds extend outward up to 45 miles (75 km) from the center. The estimated minimum central pressure is 1007 mb (29.74 inches).
Fiona is still forecast to weaken into a remnant low over the next few days which is in agreement with some (but not all models) as the Canadian model wants to spin this back up once it gets west of 60 west. However it should be noted that the Canadian likes to pretty much spin up everything.
TROPICAL WAVE OFF THE AFRICAN COAST
We also see a strong tropical wave off the African coast and this system on the satellite loop above looks well defined. The National Hurricane Center has raised the probablity of a depression forming to 70 percent in the next 2 days and 90 percent in the next 5. With regards to the other tropical wave in the Central Atlantic it is still there moving westward southeast of Fiona. There is a lot of dry air at mid levels which is preventing this from developing further. Condtions are forecast to be more favorable further west so we will see what it does when it gets there.
With regards to impact longer term we will discuss this in a new video later this afternoon.
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