BULLETIN
TROPICAL DEPRESSION 04W ADVISORY NUMBER 1
NATIONAL WEATHER SERVICE TIYAN GU WP042011
700 PM CHST FRI MAY 20 2011
...TROPICAL DEPRESSION 04W HAS FORMED SOUTHEAST OF YAP...
A TROPICAL STORM WARNING IS NOW IN EFFECT FOR FAIS AND ULITHI IN YAP
STATE. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM FORCE
WINDS OF 40 MPH OR MORE ARE EXPECTED WITHIN 24 HOURS.
A TROPICAL STORM WATCH IS NOW IN EFFECT FOR YAP AND NGULU IN YAP
STATE. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM FORCE WINDS
OF 40 MPH OR MORE ARE POSSIBLE WITHIN 48 HOURS.
AT 700 PM CHST...0900Z...THE CENTER OF TROPICAL DEPRESSION 04W WAS
LOCATED NEAR LATITUDE 8.3 DEGREES NORTH AND LONGITUDE 141.7 DEGREES
EAST. THIS IS ABOUT
130 MILES SOUTHEAST OF FAIS
180 MILES SOUTHEAST OF ULITHI
260 MILES EAST-SOUTHEAST OF YAP
285 MILES EAST OF NGULU
505 MILES EAST OF KOROR...AND
195 MILES WEST OF FARAULEP.
TROPICAL DEPRESSION 04W IS MOVING SLOWLY NORTHWEST AT 3 MPH. THIS
MOVEMENT IS FORECAST TO CONTINUE THROUGH SATURDAY...WITH A SLIGHT
INCREASE IN FORWARD SPEED BY SATURDAY AFTERNOON. THIS TRACK WOULD
TAKE THE CENTER OF TROPICAL DEPRESSION 04W VERY CLOSE TO YAP ISLAND
IN YAP STATE SUNDAY MORNING.
MAXIMUM SUSTAINED WINDS ARE 35 MPH. TROPICAL DEPRESSION 04W IS
EXPECTED TO INTENSIFY AND COULD BECOME A TROPICAL STORM WITHIN THE
NEXT 12 HOURS.
REPEATING THE 700 PM CHST POSITION...LATITUDE 8.3 DEGREES NORTH AND
LONGITUDE 141.7 DEGREES EAST...MOVING SLOWLY NORTHWEST AT 3 MPH WITH
MAXIMUM SUSTAINED WINDS OF 35 MPH.
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL WEATHER
SERVICE AT 11 PM CHST...FOLLOWED BY THE NEXT SCHEDULED ADVISORY AT
2 AM EARLY SATURDAY MORNING.
