Public Tropical Cyclone Advisory
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BULLETIN
TROPICAL STORM GUILLERMO ADVISORY NUMBER  21
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI   EP092015
500 PM HST MON AUG 03 2015

...GUILLERMO MOVING NORTHWEST...TROPICAL STORM WATCH ISSUED...

SUMMARY OF 500 PM HST...0300 UTC...INFORMATION
----------------------------------------------
LOCATION...18.1N 147.4W
ABOUT 515 MI...830 KM E OF HILO HAWAII
ABOUT 715 MI...1155 KM ESE OF HONOLULU HAWAII
MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H
PRESENT MOVEMENT...NW OR 310 DEGREES AT 10 MPH...17 KM/H
MINIMUM CENTRAL PRESSURE...991 MB...29.27 INCHES


WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...

A TROPICAL STORM WATCH HAS BEEN ISSUED FOR HAWAII COUNTY AND MAUI
COUNTY.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A TROPICAL STORM WATCH IS IN EFFECT FOR...
* HAWAII COUNTY
* MAUI COUNTY...INCLUDING THE ISLANDS OF MAUI...MOLOKAI...LANAI AND
  KAHOOLAWE

A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS.

INTERESTS ELSEWHERE IN THE MAIN HAWAIIAN ISLANDS SHOULD MONITOR THE
PROGRESS OF GUILLERMO. WATCHES MAY BE REQUIRED FOR ADDITIONAL
ISLANDS LATER TONIGHT OR EARLY TUESDAY.

FOR STORM INFORMATION SPECIFIC FOR YOUR AREA...PLEASE MONITOR
PRODUCTS ISSUED BY THE NATIONAL WEATHER SERVICE IN HONOLULU.


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 500 PM HST...0300 UTC...THE CENTER OF TROPICAL STORM GUILLERMO
WAS LOCATED NEAR LATITUDE 18.1 NORTH...LONGITUDE 147.4 WEST.
GUILLERMO IS MOVING TOWARD THE NORTHWEST NEAR 10 MPH...17 KM/H...AND
THIS MOTION IS EXPECTED TO CONTINUE THROUGH WEDNESDAY. ON THE
FORECAST TRACK...THE CENTER OF GUILLERMO IS EXPECTED TO PASS
APPROXIMATELY 140 MILES NORTHEAST OF THE BIG ISLAND ON WEDNESDAY.

MAXIMUM SUSTAINED WINDS ARE NEAR 65 MPH...100 KM/H...WITH HIGHER
GUSTS. STEADY WEAKENING IS EXPECTED OVER THE NEXT COUPLE OF DAYS.

TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 140 MILES...220 KM
FROM THE CENTER.

THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 991 MB...29.27 INCHES.


HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM CONDITIONS ARE POSSIBLE ON THE BIG ISLAND OF
HAWAII AND THE ISLANDS OF MAUI...MOLOKAI...LANAI AND KAHOOLAWE IN
MAUI COUNTY ON WEDNESDAY.

RAINFALL...TOTAL RAINFALL AMOUNTS OF 1 TO 3 INCHES...WITH ISOLATED
MAXIMUM AMOUNTS NEAR 7 INCHES MAINLY IN HIGHER TERRAIN...ARE
POSSIBLE ASSOCIATED WITH GUILLERMO IN THE WATCH AREA.

SURF...LARGE SWELLS TRAVELING AHEAD OF TROPICAL STORM GUILLERMO
WILL SPREAD FROM EAST TO WEST OVER THE HAWAIIAN ISLANDS THROUGH
MID WEEK. THIS WILL PRODUCE LARGE AND POTENTIALLY LIFE THREATENING
SURF ALONG EAST FACING SHORES.


NEXT ADVISORY
-------------
NEXT INTERMEDIATE ADVISORY...800 PM HST.
NEXT COMPLETE ADVISORY...1100 PM HST.

$$
FORECASTER KODAMA






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