[Tropical] Public Tropical Cyclone Advisory

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WTNT34 KNHC 302342
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BULLETIN
HURRICANE MATTHEW INTERMEDIATE ADVISORY NUMBER  11A
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL142016
800 PM EDT FRI SEP 30 2016

...HURRICANE HUNTERS FIND EXTREMELY DANGEROUS MATTHEW WITH 150 MPH
WINDS...


SUMMARY OF 800 PM EDT...0000 UTC...INFORMATION
----------------------------------------------
LOCATION...13.5N 72.0W
ABOUT 80 MI...130 KM NNW OF PUNTA GALLINAS COLOMBIA
ABOUT 440 MI...710 KM SE OF KINGSTON JAMAICA
MAXIMUM SUSTAINED WINDS...150 MPH...240 KM/H
PRESENT MOVEMENT...WSW OR 255 DEGREES AT 9 MPH...15 KM/H
MINIMUM CENTRAL PRESSURE...945 MB...27.90 INCHES


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

None.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

A Hurricane Watch is in effect for...
* Jamaica

A Tropical Storm Warning is in effect for...
* Colombia/Venezuela border to Riohacha

A Tropical Storm Watch is in effect for...
* Haiti from the southern border with the Dominican Republic to
Port-Au-Prince

A Hurricane Watch means that hurricane conditions are possible
within the watch area.  A watch is typically issued 48 hours before
the anticipated first occurrence of tropical-storm-force winds,
conditions that make outside preparations difficult or dangerous.

A Tropical Storm Warning means that tropical storm conditions are
expected somewhere within the warning area, in this case in the
next 12 hours.

A Tropical Storm Watch means that tropical storm conditions are
possible within the watch area, generally within 48 hours.

Interests elsewhere along the coasts of Venezuela and Colombia and
elsewhere in Hispaniola should monitor the progress of Matthew.
Interests in eastern Cuba should also monitor the progress of
Matthew.

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


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
At 800 PM EDT (0000 UTC), the well-defined eye of Hurricane Matthew
was located near latitude 13.5 North, longitude 72.0 West.  Matthew
is moving south of due west near 9 mph (15 km/h).  A westward motion
at a slower forward speed is expected tonight and Saturday.  A turn
toward the west-northwest is forecast by Saturday night, followed by
a turn toward the northwest on Sunday.  On the forecast track, the
center of Matthew will move north of the Guajira Peninsula tonight,
move across the central Caribbean Sea on Saturday, and be near
Jamaica late on Sunday.

Data from an Air Force Hurricane Hunter aircraft indicate that
maximum sustained winds have increased to near 150 mph (240 km/h)
with higher gusts.  Matthew is a category 4 hurricane on the Saffir-
Simpson Hurricane Wind Scale.  Some fluctuations in intensity are
possible this weekend, but Matthew is expected to remain a
powerful hurricane through Sunday.

Hurricane-force winds extend outward up to 35 miles (55 km) from
the center and tropical-storm-force winds extend outward up to 195
miles (315 km) primarily to the north of the center.

The latest minimum central pressure just reported by an Air Force
reconnaissance aircraft was 945 mb (27.90 inches).


HAZARDS AFFECTING LAND
----------------------
WIND:  Tropical storm conditions are expected to continue in
portions of the warning area in Colombia through tonight.  Hurricane
conditions are possible on Jamaica on Monday, with tropical storm
conditions possible by late Sunday.  Tropical storm conditions are
possible in the watch area in Haiti by late Sunday.

RAINFALL:  Rainfall totals of 2 to 4 inches with isolated higher
amounts are expected over Aruba, Bonaire and Curacao through
Saturday.  Rainfall totals of 2 to 4 inches with isolated higher
amounts are expected along the coast of Colombia from the Venezuelan
border to Riohacha.  Rainfall totals of 1 to 2 inches with isolated
higher amounts are expected along the coast of Venezuela from Coro
to the Colombian border.

Rainfall totals of 10 to 15 inches with isolated maximum amounts of
25 inches are expected across Jamaica and southern and southwestern
Haiti.  These rains may produce life-threatening flash flooding and
mud slides.

SURF:  Swells generated by Matthew are expected to affect portions
of the coasts of Puerto Rico, Hispaniola, Jamaica, Aruba, Bonaire,
Curacao, Venezuela, and Colombia during the next few days.  These
swells are likely to cause life-threatening surf and rip current
conditions.  Please consult products from your local weather office.


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

$$
Forecaster Avila
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