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BULLETIN
Tropical Storm Don Intermediate Advisory Number 1A
NWS National Hurricane Center Miami FL       AL052017
800 PM AST Mon Jul 17 2017

...AIR FORCE RECONNAISSANCE PLANE FINDS DON A LITTLE STRONGER...


SUMMARY OF 800 PM AST...0000 UTC...INFORMATION
----------------------------------------------
LOCATION...11.2N 53.8W
ABOUT 405 MI...650 KM ESE OF BARBADOS
ABOUT 515 MI...830 KM E OF TRINIDAD
MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H
PRESENT MOVEMENT...W OR 275 DEGREES AT 17 MPH...28 KM/H
MINIMUM CENTRAL PRESSURE...1009 MB...29.80 INCHES


WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:

None.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

A Tropical Storm Warning is in effect for...
* Grenada

A Tropical Storm Watch is in effect for...
* Barbados
* St. Vincent and the Grenadines
* St. Lucia

A Tropical Storm Warning means that tropical storm conditions are
expected somewhere within the warning area, in this case in the
next 24 to 36 hours.

A Tropical Storm Watch means that tropical storm conditions are
possible within the watch area, in this case in the next 24 to 36
hours.

Interests in Trinidad and Tobago, Aruba, Bonaire, and Curacao should
monitor the progress of Don.

For storm information specific to your area, please monitor products
issued by your national meteorological service.


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
At 800 PM AST (0000 UTC), the center of Tropical Storm Don was
located near latitude 11.2 North, longitude 53.8 West.  Don is
moving toward the west near 17 mph (28 km/h), and this motion is
expected to continue through Wednesday, with a gradual increase in
forward speed.  On the forecast track the center of Don will move
through the Windward Islands late Tuesday and Tuesday night.

Data from an Air Force Reserve reconnaissance aircraft indicate that
maximum sustained winds are near 45 mph (75 km/h) with higher
gusts.  Little change in strength is forecast during the next 48
hours.

Tropical-storm-force winds extend outward up to 25 miles (35 km)
from the center.

The estimated minimum central pressure is 1009 mb (29.80 inches).


HAZARDS AFFECTING LAND
----------------------
WIND:  Tropical storm conditions are expected in the warning area
by late Tuesday and Tuesday night.  Tropical Storm conditions are
possible in the watch area Tuesday and Tuesday night.

RAINFALL:  Don is expected to produce total rain accumulations of 2
to 4 inches across the Windward Islands through Wednesday morning.


NEXT ADVISORY
-------------
Next complete advisory at 1100 PM AST.

$$
Forecaster Berg

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