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BULLETIN
Tropical Storm Irwin Advisory Number   4
NWS National Hurricane Center Miami FL       EP102017
200 AM PDT Sun Jul 23 2017

...YET ANOTHER DEPRESSION BECOMES A TROPICAL STORM...
...THE FIFTH NAMED STORM IN THE EASTERN PACIFIC IN JULY...


SUMMARY OF 200 AM PDT...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...14.7N 115.2W
ABOUT 665 MI...1070 KM SSW OF THE SOUTHERN TIP OF BAJA CALIFORNIA
MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H
PRESENT MOVEMENT...WNW OR 285 DEGREES AT 9 MPH...15 KM/H
MINIMUM CENTRAL PRESSURE...1005 MB...29.68 INCHES


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


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
At 200 AM PDT (0900 UTC), the center of Tropical Storm Irwin was
located near latitude 14.7 North, longitude 115.2 West.  Irwin is
moving toward the west near 9 mph (15 km/h), and a west to
west-northwest motion with a slight decrease in forward speed is
expected during the next couple of days.

Maximum sustained winds have increased to near 40 mph (65 km/h) with
higher gusts.  Gradual strengthening is expected during the next 48
hours.

Tropical-storm-force winds extend outward up to 35 miles (55 km)
from the center.

The estimated minimum central pressure is 1005 mb (29.68 inches).


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


NEXT ADVISORY
-------------
Next complete advisory at 800 AM PDT.

$$
Forecaster Zelinsky

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