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WWPQ82 PGUM 082129
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SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TIYAN GU
729 AM CHST THU APR 9 2026
PMZ171-172-090900-
YAP-CHUUK-
729 AM CHST THU APR 9 2026
...INVEST 90W NOW THE SUBJECT OF AS A TROPICAL CYCLONE FORMATION
ALERT NEAR CHUUK...
OVER THE PAST 24 HOURS, INVEST 90W HAS SHOWN AN IMPROVED CONVECTIVE
SIGNATURE WITH GOOD POLEWARD OUTFLOW ALOFT (A SIGN THAT THE SYSTEM
MAY BE STRENGTHENING). AS SUCH, THE JOINT TYPHOON WARNING CENTER HAS
UPGRADED INVEST 90W TO A TCFA (TROPICAL CYCLONE FORMATION ALERT),
MEANING THE FORMATION OF A TROPICAL CYCLONE (TROPICAL DEPRESSION
STRENGTH OR STRONGER) IS LIKELY WITHIN THE NEXT 24 HOURS. OVERALL,
THE MODELS CONTINUE TO SHOWN A GRADUALLY STRENGTHENING SYSTEM THE
NEXT SEVERAL DAYS, WITH CURRENT FORECAST TRACKS TAKING THE SYSTEM
THROUGH WESTERN CHUUK STATE AND EASTERN TO EAST CENTRAL YAP STATE,
WITH A PASSAGE SOUTH OF GUAM.
THIS WILL LIKELY BRING LOCALLY HEAVY RAINFALL, SUSTAINED WINDS OF 35
KNOTS OR MORE (WITH HIGHER GUSTS), AND AN INCREASINGLY HAZARDOUS SEA
STATE. RAINFALL AMOUNTS IN THE 4 TO 8 INCH RANGE, WITH LOCALLY
HIGHER AMOUNTS, ARE POSSIBLE FOR ALL OF CHUUK STATE WESTWARD THROUGH
AT LEAST EASTERN YAP STATE. THIS COULD THEN EXPAND FURTHER WEST
ACROSS CENTRAL YAP STATE OVER THE WEEKEND, DEPENDENT ON HOW QUICKLY
90W STRENGTHENS AND WHAT TRACK IT ENDS UP TAKING. LOCATIONS CURRENTLY
TO BE MOST AFFECTED THROUGH EARLY MONDAY MORNING INCLUDE:
GENERALLY NORTH OF 6N:
IN CHUUK STATE:
CHUUK, LOSAP, FANANU, ONOUN, AND POLOWAT.
IN EASTERN AND CENTRAL YAP STATE (MOST PROBABLE):
PIKELOT, WEST FAYU, GAFERUT, FARAULEP, FAIS, AND ULITHI.
IN THE REMAINDER OF YAP STATE (POSSIBLE):
SATAWAL, LAMOTREK, OLIMARGO, IFALIK, EAURIPIK, SOROL, AND YAP
PROPER.
RESIDENTS ARE URGED TO PAY CLOSE ATTENTION THE NEXT FEW DAYS TO YOUR
LOCAL EMERGENCY MANAGEMENT, THE NATIONAL WEATHER SERVICE GUAM WEBPAGE
(WHICH CAN BE FOUND AT WWW.WEATHER.GOV/GUM), INFORMATION PUT OUT BY
WEATHER SERVICE OFFICES CHUUK AND YAP, AND OUR SOCIAL MEDIA PAGES.
DOLL
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