Saturday Night Update

Tammy near Barbuda



The Weather Situation
SUMMARY OF 800 PM AST...0000 UTC...INFORMATION
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LOCATION...17.5N 61.6W
ABOUT 15 MI...25 KM ESE OF BARBUDA
ABOUT 30 MI...50 KM NNE OF ANTIGUA
MAXIMUM SUSTAINED WINDS...85 MPH...140 KM/H
PRESENT MOVEMENT...NNW OR 335 DEGREES AT 10 MPH...17 KM/H
MINIMUM CENTRAL PRESSURE...989 MB...29.20 INCHES

Tropicast: Visible satellite Friday afternoon


Tropicast: Visible satellite Saturday afternoon


Tropical Weather Forecast:
Tammy will gradually move north away from the Leewards into Sunday. Heavy rainfall, gusty winds and high surf will gradually subside starting later tomorrow over the northern Leewards.

Sunday Morning Update

Tammy moving north of the Leewards

The center of Tammy is moving north of the Leewards, but rainbands still extend south of the center. Because of this some squalls may persist through Sunday.

The Weather Situation
SUMMARY OF 800 AM AST...1200 UTC...INFORMATION
----------------------------------------------
LOCATION...18.9N 62.5W
ABOUT 60 MI...100 KM NE OF ANGUILLA
MAXIMUM SUSTAINED WINDS...85 MPH...140 KM/H
PRESENT MOVEMENT...NNW OR 335 DEGREES AT 10 MPH...17 KM/H
MINIMUM CENTRAL PRESSURE...992 MB...29.30 INCHES

Tropicast: Visible satellite


Tropical Weather Forecast:
Tammy is slowly moving north of the Leewards and this trend will continue over the next several days.

Tuesday Evening Update

Tammy organizes

Satellite imagery shows convection organizing near the center of circulation. An eye appears to be trying to develop.

The Weather Situation
SUMMARY OF 500 PM AST...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...24.6N 61.7W
ABOUT 565 MI...910 KM SSE OF BERMUDA
MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/H
PRESENT MOVEMENT...NE OR 40 DEGREES AT 8 MPH...13 KM/H
MINIMUM CENTRAL PRESSURE...987 MB...29.15 INCHES

Tropicast: Visible satellite Monday Afternoon


Tropicast: Visible satellite Tuesday Afternoon


Tropical Weather Forecast:
Tammy will continue generally north away from the Leewards the next few days. It is forecast to gradually lose tropical characteristics.

NHC Public Advisory
https://www.nhc.noaa.gov/text/refresh/M ... 040.shtml?

NHC Track / Watches / Warnings
https://www.nhc.noaa.gov/refresh/graphi ... e#contents