WTPQ32 PGUM 151921 TCPPQ2 BULLETIN TROPICAL STORM CHAMPI (25W) INTERMEDIATE ADVISORY NUMBER 10A NATIONAL WEATHER SERVICE TIYAN GU WP252015 500 AM CHST FRI OCT 16 2015 ...HEAVY RAINS FROM CHAMPI AFFECTING SAIPAN AND TINIAN... CHANGES WITH THIS ADVISORY -------------------------- NONE. WATCHES AND WARNINGS -------------------- A TROPICAL STORM WARNING REMAINS IN EFFECT FOR ROTA...TINIAN... SAIPAN...ALAMAGAN...PAGAN AND AGRIHAN. TROPICAL STORM CONDITIONS... INCLUDING DAMAGING WINDS OF 39 MPH OR GREATER...ARE EXPECTED WITHIN 6 HOURS. A TYPHOON WATCH REMAINS IN EFFECT FOR AGRIHAN...PAGAN AND ALAMAGAN. TYPHOON CONDITIONS...INCLUDING DESTRUCTIVE WINDS OF 74 MPH OR GREATER...ARE POSSIBLE WITHIN 24 HOURS. SUMMARY OF 400 AM CHST...1800 UTC...INFORMATION ----------------------------------------------- LOCATION...16.0N 148.5E ABOUT 195 MILES EAST-NORTHEAST OF SAIPAN ABOUT 205 MILES EAST-NORTHEAST OF TINIAN ABOUT 210 MILES SOUTHEAST OF ALAMAGAN ABOUT 230 MILES SOUTHEAST OF PAGAN ABOUT 255 MILES EAST-NORTHEAST OF ROTA ABOUT 265 MILES SOUTHEAST OF AGRIHAN ABOUT 305 MILES NORTHEAST OF GUAM MAXIMUM SUSTAINED WINDS...60 MPH PRESENT MOVEMENT...WEST...270 DEGREES AT 18 MPH. DISCUSSION AND OUTLOOK ---------------------- AT 400 AM CHST...1800 UTC...TROPICAL STORM CHAMPI WAS LOCATED NEAR LATITUDE 16.0 NORTH AND LONGITUDE 148.5 EAST. MOVEMENT IS TOWARD THE WEST AT 18 MPH. CHAMPI IS EXPECTED TO RESUME WEST-NORTHWEST MOTION LATER TODAY WHILE DECREASING IN FORWARD SPEED OVER THE WEEKEND. THIS TRACK WOULD TAKE THE CENTER OF CHAMPI THROUGH THE NORTHERN MARIANAS NORTH OF ANATAHAN EARLY THIS AFTERNOON. MAXIMUM SUSTAINED WINDS REMAIN AT 60 MPH. TROPICAL STORM CHAMPI IS FORECAST TO INTENSIFY THE NEXT FEW DAYS...AND COULD BECOME A TYPHOON SOMETIME TODAY. LATEST SATELLITE DATA INDICATE THAT TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175 MILES SOUTH OF THE CENTER AND UP TO 115 MILES NORTH OF THE CENTER. SATELLITE DATA INDICATE THAT THE RADIUS OF TROPICAL STORM FORCE WINDS HAVE EXPANDED SOUTH OF THE CENTER. NEXT ADVISORY ------------- THE NEXT SCHEDULED ADVISORY WILL BE ISSUED BY THE NATIONAL WEATHER SERVICE AT 800 AM LATER THIS MORNING FOLLOWED BY AN INTERMEDIATE ADVISORY AT 1100 AM. $$ WILLIAMS