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BULLETIN
Tropical Storm Mario Advisory Number   4
NWS National Hurricane Center Miami FL       EP142019
300 AM MDT Wed Sep 18 2019

...MARIO SLOWLY STRENGTHENING AS IT CONTINUES NORTHWESTWARD...


SUMMARY OF 300 AM MDT...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...13.7N 110.1W
ABOUT 635 MI...1025 KM S OF THE SOUTHERN TIP OF BAJA CALIFORNIA
MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H
PRESENT MOVEMENT...NW OR 310 DEGREES AT 10 MPH...17 KM/H
MINIMUM CENTRAL PRESSURE...1003 MB...29.62 INCHES


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


DISCUSSION AND OUTLOOK
----------------------
At 300 AM MDT (0900 UTC), the center of Tropical Storm Mario was
located near latitude 13.7 North, longitude 110.1 West. Mario is
moving toward the northwest near 10 mph (17 km/h). This motion is
expected to continue through tonight, with a decrease in forward
speed beginning on Thursday. Mario is expected to become nearly
stationary early Friday through Friday night.

Maximum sustained winds are near 45 mph (75 km/h) with higher gusts.
Some strengthening is forecast during the next few days, and Mario
is expected to become a hurricane by Friday.

Tropical-storm-force winds extend outward up to 90 miles (150 km)
from the center.

The estimated minimum central pressure is 1003 mb (29.62 inches).


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


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

$$
Forecaster Latto

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