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BULLETIN
Tropical Storm Sergio Advisory Number   6
NWS National Hurricane Center Miami FL       EP212018
300 PM MDT Sun Sep 30 2018

...SERGIO SLOWLY INTENSIFYING AS IT CONTINUES WESTWARD OVER THE
OPEN PACIFIC WATERS...
...STILL EXPECTED TO BECOME A HURRICANE TONIGHT OR EARLY MONDAY...


SUMMARY OF 300 PM MDT...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...11.5N 106.3W
ABOUT 535 MI...860 KM SSW OF MANZANILLO MEXICO
MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H
PRESENT MOVEMENT...W OR 260 DEGREES AT 13 MPH...20 KM/H
MINIMUM CENTRAL PRESSURE...998 MB...29.47 INCHES


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


DISCUSSION AND OUTLOOK
----------------------
At 300 PM MDT (2100 UTC), the center of Tropical Storm Sergio was
located near latitude 11.5 North, longitude 106.3 West. Sergio is
moving toward the west near 13 mph (20 km/h) and this general motion
is expected for the next couple of days with a turn toward the
west-northwest expected on Tuesday.

Maximum sustained winds are near 65 mph (100 km/h) with higher
gusts.  Additional strengthening is forecast during the next 48
hours and Sergio is expected to become a hurricane by tonight and a
major hurricane on Tuesday.

Tropical-storm-force winds extend outward up to 125 miles (205 km)
from the center.

The estimated minimum central pressure is 998 mb (29.47 inches).


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


NEXT ADVISORY
-------------
Next complete advisory at 900 PM MDT.

$$
Forecaster Cangialosi/Latto

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