000
ACPN50 PHFO 190314 AAA
TWOCP 

TROPICAL WEATHER OUTLOOK...UPDATED
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI
515 PM HST SUN AUG 18 2013

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

1. THE CENTRAL PACIFIC HURRICANE CENTER IS ISSUING ADVISORIES ON 
TROPICAL STORM UNALA...LOCATED 1275 MILES WEST SOUTHWEST OF LIHUE 
KAUAI...UNDER AWIPS HEADER TCMCP5 AND WMO HEADER WTPA25 PHFO.

2. SHOWERS AND THUNDERSTORMS ASSOCIATED WITH ANOTHER SURFACE TROUGH 
LOCATED ABOUT 750 MILES WEST SOUTHWEST OF LIHUE...HAWAII ARE MOVING 
WESTWARD AT 10 TO 15 MPH. THUNDERSTORMS HAVE INCREASED OVER THE PAST 
FEW HOURS...BUT LITTLE SIGNIFICANT DEVELOPMENT OF THIS SYSTEM IS 
EXPECTED DUE TO STRONG UPPER LEVEL WINDS OVER THE SURFACE TROUGH. 
THIS SYSTEM HAS A LOW CHANCE...10 PERCENT...OF BECOMING A TROPICAL 
CYCLONE DURING THE NEXT 48 HOURS.

3. SHOWERS AND THUNDERSTORMS ASSOCIATED WITH A WEAK DISTURBANCE 
LOCATED ABOUT 1020 MILES EAST SOUTHEAST OF HILO...HAWAII HAVE 
INCREASED IN COVERAGE AND INTENSITY SINCE THIS MORNING. 
HOWEVER...LITTLE SIGNIFICANT DEVELOPMENT OF THIS SYSTEM IS EXPECTED 
AS THIS DISTURBANCE MOVES WEST NORTHWEST AT 10 TO 15 MPH DURING THE 
NEXT 24 TO 36 HOURS DUE TO VERY STRONG SOUTHERLY WINDS OVER THE 
SYSTEM. THE UPPER LEVEL WINDS MAY RELAX SLIGHTLY BY LATE 
MONDAY...AND THIS SYSTEM HAS A LOW CHANCE...10 PERCENT...OF BECOMING 
A TROPICAL CYCLONE DURING THE NEXT 48 HOURS.

ELSEWHERE...NO TROPICAL CYCLONES ARE EXPECTED THROUGH TUESDAY 
AFTERNOON.

$$

POWELL