WTPQ33 PGUM 231902 TCPPQ3 BULLETIN TROPICAL STORM 27W INTERMEDIATE ADVISORY NUMBER 16A NATIONAL WEATHER SERVICE TIYAN GU WP272017 500 AM ChST Tue Oct 24 2017 ...TROPICAL STORM 27W NORTH-NORTHEAST OF FARAULEP... CHANGES WITH THIS ADVISORY --------------------------- None. WATCHES AND WARNINGS -------------------------- A Tropical Storm Watch remains in effect for Guam...Rota and surrounding Coastal Waters in the Mariana Islands. SUMMARY OF 400 AM CHST...1800 UTC...INFORMATION ------------------------------------------------ Location...9.8N 144.8E About 250 miles south of Guam About 300 miles south of Rota About 365 miles south of Tinian About 370 miles south of Saipan About 230 miles northwest of Satawal About 340 miles west-northwest of Ulul About 345 miles northwest of Puluwat About 85 miles north-northeast of Faraulep About 290 miles east of Fais About 355 miles east of Ulithi Maximum sustained winds...45 mph Present movement...west-northwest...290 degrees at 9 mph. DISCUSSION AND OUTLOOK ---------------------- At 400 AM ChST...1800 UTC...the poorly defined center of Tropical Storm 27W was located near latitude 9.8 degrees North and longitude 144.8 degrees East...moving west-northwest at 9 mph. Tropical Storm 27W is expected to turn toward the northwest later today through Wednesday with an increase in forward speed. This forecast track still anticipates 27W passing southwest of Guam this afternoon. Maximum sustained winds remain near 45 mph. Tropical Storm 27W is expected to continue to strengthen slowly. Once over the Philippine Sea, 27W should intensify further on Wednesday and Thursday. There is still some uncertainty on how close 27W will pass to Guam or locations in Yap State so this system should still be closely watched for any changes in motion or intensity. NEXT ADVISORY ------------- The next scheduled advisory will be issued by the National Weather Service at 800 AM this morning, with an intermediate advisory at 1100 AM. $$ Ziobro