000
ACPN50 PHFO 191156
TWOCP 

TROPICAL WEATHER OUTLOOK
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
200 AM HST MON AUG 19 2013

FOR THE CENTRAL NORTH PACIFIC...BETWEEN 140W AND 180

1. TROPICAL STORM UNALA HAS MOVED WEST OF THE INTERNATIONAL DATE 
LINE...AND IS NOW LOCATED OVER THE NORTHWEST PACIFIC OCEAN ABOUT 850 
MILES EAST SOUTHEAST OF WAKE ISLAND. UNALA IS MOVING TOWARD THE WEST 
AT ABOUT 20 MPH. FOR ADDITIONAL INFORMATION ON UNALA...SEE BULLETINS 
ISSUED BY THE REGIONAL METEOROLOGICAL CENTER IN TOKYO JAPAN. FOR 
U.S. INTERESTS...SEE DEPARTMENT OF DEFENSE WARNINGS ISSUED BY THE 
JOINT TYPHOON WARNING CENTER IN HONOLULU...HAWAII.

2. SHOWERS AND THUNDERSTORMS ASSOCIATED WITH A DISTURBANCE LOCATED 
ABOUT 970 MILES WEST SOUTHWEST OF LIHUE...HAWAII ARE MOVING WEST 
NORTHWESTWARD AT ABOUT 10 MPH. STRONG THUNDERSTORMS REMAIN 
CONCENTRATED NEAR AN APPARENT LOW LEVEL CIRCULATION CENTER. UPPER 
LEVEL WINDS HAVE BECOME SOMEWHAT WEAKER OVER THIS AREA TONIGHT... 
WHICH MAY ALLOW SOME SLOW DEVELOPMENT DURING THE NEXT DAY OR TWO. 
THIS SYSTEM HAS A MEDIUM CHANCE...30 PERCENT...OF BECOMING A 
TROPICAL CYCLONE DURING THE NEXT 48 HOURS.

3. SHOWERS AND THUNDERSTORMS ASSOCIATED WITH AN ELONGATED SURFACE 
TROUGH LOCATED ABOUT 750 MILES SOUTHEAST OF HILO...HAWAII HAVE 
INCREASED IN COVERAGE AND INTENSITY DURING THE PAST SEVERAL HOURS. 
STRONG UPPER LEVEL WINDS ARE EXPECTED TO INHIBIT SIGNIFICANT 
DEVELOPMENT WITHIN THIS AREA TODAY AS IT AT MOVES TOWARD THE WEST 
NORTHWEST AT 10 TO 15 MPH. HOWEVER...THE WINDS ALOFT MAY WEAKEN 
SOMEWHAT BY LATE TONIGHT OR EARLY TUESDAY...WHICH MAY BE SLIGHTLY 
MORE CONDUCIVE FOR DEVELOPMENT ON TUESDAY. THIS SYSTEM HAS A LOW 
CHANCE...20 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 
48 HOURS.

ELSEWHERE...NO TROPICAL CYCLONES ARE EXPECTED THROUGH LATE TUESDAY 
NIGHT.


$$

HOUSTON