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BULLETIN
Tropical Storm Irwin Advisory Number   9
NWS National Hurricane Center Miami FL       EP102017
800 AM PDT Mon Jul 24 2017

...IRWIN STRENGTHENS A LITTLE MORE...
...FORECAST TO BECOME A HURRICANE BY TUESDAY...


SUMMARY OF 800 AM PDT...1500 UTC...INFORMATION
----------------------------------------------
LOCATION...14.8N 117.5W
ABOUT 750 MI...1205 KM SW OF THE SOUTHERN TIP OF BAJA CALIFORNIA
MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H
PRESENT MOVEMENT...W OR 270 DEGREES AT 3 MPH...6 KM/H
MINIMUM CENTRAL PRESSURE...999 MB...29.50 INCHES


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


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
At 800 AM PDT (1500 UTC), the center of Tropical Storm Irwin was
located near latitude 14.8 North, longitude 117.5 West.  Irwin is
moving toward the west near 3 mph (6 km/h).  A slow, generally
westward motion is expected during the next couple of days.

Maximum sustained winds have increased to near 60 mph (95 km/h)
with higher gusts.  Additional strengthening is forecast during
the next 48 hours, and Irwin is expected to become a hurricane
tonight or on Tuesday.

Tropical-storm-force winds extend outward up to 80 miles (130 km)
from the center.

The estimated minimum central pressure is 999 mb (29.50 inches).


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


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

$$
Forecaster Berg

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