WTPQ33 PGUM 232201 TCPPQ3 BULLETIN TROPICAL STORM 27W ADVISORY NUMBER 17 NATIONAL WEATHER SERVICE TIYAN GU WP272017 800 AM ChST Tue Oct 24 2017 ...TROPICAL STORM 27W MOVING WEST... CHANGES WITH THIS ADVISORY --------------------------- None. WATCHES AND WARNINGS -------------------------- A Tropical Storm Watch remains in effect for Guam...Rota and the surrounding coastal waters in the Mariana Islands. SUMMARY OF 700 AM CHST...2100 UTC...INFORMATION ------------------------------------------------ Location...10.3N 144.1E About 220 miles south-southwest of Guam About 275 miles south-southwest of Rota About 340 miles south-southwest of Tinian About 350 miles south-southwest of Saipan About 285 miles northwest of Satawal About 395 miles west-northwest of Ulul About 405 miles northwest of Puluwat About 120 miles north-northwest of Faraulep About 245 miles east of Fais About 305 miles east of Ulithi Maximum sustained winds...40 mph Present movement...west...280 degrees at 13 mph. DISCUSSION AND OUTLOOK ---------------------- At 700 AM ChST...2100 UTC...the poorly defined center of Tropical Storm 27W was located near latitude 10.3 degrees North and longitude 144.1 degrees East...moving west at 13 mph. Tropical Storm 27W is expected to turn to a northwest track later today through Wednesday with an increase in forward speed. This forecast track takes 27W southwest of Guam and northeast of Fais early this afternoon. Maximum sustained winds have decreased to 40 mph. However, Tropical Storm 27W is still expected to resume slow intensification this afternoon. Once 27W gets into the Philippine Sea, it should intensify further Wednesday through Thursday. There is still considerable uncertainty on the exact track and intensity of 27W as it passes between Guam and Fais this afternoon. Residents of Fais and Ulithi in Yap State should closely monitor the progress of Tropical Storm 27W. NEXT ADVISORY ------------- An intermediate advisory will be issued by the National Weather Service at 1100 AM, followed by the next scheduled advisory at 200 PM this afternoon. $$ Middlebrooke