000
WTPZ35 KNHC 260250
TCPEP5

BULLETIN
HURRICANE SEYMOUR ADVISORY NUMBER  12
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP202016
800 PM PDT TUE OCT 25 2016

...POWERFUL CATEGORY FOUR SEYMOUR CONTINUES TO RAPIDLY STRENGTHEN...


SUMMARY OF 800 PM PDT...0300 UTC...INFORMATION
----------------------------------------------
LOCATION...16.1N 117.7W
ABOUT 690 MI...1110 KM SW OF THE SOUTHERN TIP OF BAJA CALIFORNIA
MAXIMUM SUSTAINED WINDS...150 MPH...240 KM/H
PRESENT MOVEMENT...WNW OR 285 DEGREES AT 15 MPH...24 KM/H
MINIMUM CENTRAL PRESSURE...943 MB...27.85 INCHES


WATCHES AND WARNINGS
--------------------
There are no coastal watches or warnings in effect.


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
At 800 PM PDT (0300 UTC), the center of Hurricane Seymour was
located near latitude 16.1 North, longitude 117.7 West. Seymour is
moving toward the west-northwest near 15 mph (24 km/h) and this
motion is expected to continue into Wednesday.  A turn toward the
northwest is expected by Wednesday night, followed by a turn toward
the north-northwest with a decrease in forward speed on Thursday.

Maximum sustained winds have rapidly increased to near 150 mph (240
km/h) with higher gusts.  Seymour is a strong category 4 hurricane
on the Saffir-Simpson Hurricane Wind Scale.  Some slight
strengthening is possible overnight and into Wednesday morning,
followed by steady weakening Wednesday night and Thursday.

Seymour remains a small tropical cyclone. Hurricane-force winds
extend outward up to 15 miles (30 km) from the center and
tropical-storm-force winds extend outward up to 80 miles (130 km).

The estimated minimum central pressure is 943 mb (27.85 inches).


HAZARDS AFFECTING LAND
----------------------
None.


NEXT ADVISORY
-------------
Next complete advisory at 200 AM PDT.

$$
Forecaster Stewart