WTPZ35 KNHC 230852

TCPEP5



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