WTPQ32 PGUM 152117 TCPPQ2 BULLETIN TROPICAL STORM CHAMPI (25W) ADVISORY NUMBER 11 NATIONAL WEATHER SERVICE TIYAN GU WP252015 800 AM CHST FRI OCT 16 2015 ...CHAMPI CONTINUING WEST AND SLOWLY INTENSIFYING... 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 THROUGH LATE THIS EVENING. A TYPHOON WATCH REMAINS IN EFFECT FOR AGRIHAN...PAGAN AND ALAMAGAN. TYPHOON CONDITIONS...INCLUDING DESTRUCTIVE WINDS OF 74 MPH OR GREATER...ARE POSSIBLE WITHIN 18 HOURS. SUMMARY OF 700 AM CHST...2100 UTC...INFORMATION ----------------------------------------------- LOCATION...16.1N 147.9E ABOUT 160 MILES EAST-NORTHEAST OF SAIPAN ABOUT 170 MILES EAST-NORTHEAST OF TINIAN ABOUT 170 MILES SOUTHEAST OF ALAMAGAN ABOUT 195 MILES SOUTHEAST OF PAGAN ABOUT 225 MILES NORTHEAST OF ROTA ABOUT 235 MILES SOUTHEAST OF AGRIHAN ABOUT 280 MILES NORTHEAST OF GUAM MAXIMUM SUSTAINED WINDS...65 MPH PRESENT MOVEMENT...WEST...275 DEGREES AT 12 MPH. DISCUSSION AND OUTLOOK ---------------------- AT 700 AM CHST...2100 UTC...TROPICAL STORM CHAMPI WAS LOCATED NEAR LATITUDE 16.1 NORTH AND LONGITUDE 147.9 EAST. MOVEMENT IS TOWARD THE WEST AT 12 MPH. CHAMPI IS EXPECTED TO TURN TO THE WEST-NORTHWEST LATER TODAY WITH A GRADUAL REDUCTION IN FORWARD SPEED OVER THE WEEKEND. THIS TRACK TAKES THE CENTER OF CHAMPI THROUGH THE NORTHERN MARIANAS JUST NORTH OF ANATAHAN THIS AFTERNOON. MAXIMUM SUSTAINED WINDS HAVE INCREASED TO 65 MPH. TROPICAL STORM CHAMPI IS EXPECTED TO INTENSIFY FURTHER THE NEXT FEW DAYS...AND IS FORECAST TO BECOME A TYPHOON LATER TODAY. LATEST SATELLITE DATA INDICATE THAT TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 195 MILES SOUTH OF THE CENTER AND UP TO 155 MILES NORTH OF THE CENTER. THE RADIUS OF TROPICAL STORM FORCE WINDS CONTINUES TO EXPAND SOUTH OF THE CENTER. NEXT ADVISORY ------------- AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL WEATHER SERVICE LATER THIS MORNING AT 1100 AM FOLLOWED BY THE NEXT SCHEDULED ADVISORY AT 200 PM. $$ W. AYDLETT