ISSUED AT : 5:00 PM 13 AUGUST 2012 VALID BEGINNING : 5:00 PM TODAY UNTIL 5:00 PM TOMORROW SYNOPSIS: AT 4:00 PM TODAY, TROPICAL STORM “HELEN” WAS ESTIMATED BASED ON SATELLITE AND SURFACE DATAAT 430 KM EAST OF CASIGURAN, AURORA (16.5°N 126.8°E) WITH MAXIMUM SUSTAINED WINDS OF 65 KPH NEAR THECENTER AND GUSTINESS OF UP TO 80 KPH. IT IS FORECAST TO MOVE WEST NORTHWEST AT 13 KPH.FORECAST: EXTREME NORTHERN LUZON, ISABELA, AURORA AND QUIRINO WILL HAVE RAINS WITH GUSTY WINDS AND THE COASTAL WATERS ALONG THESE AREAS WILL BE ROUGH TO VERY ROUGH. THE REST OF LUZON AND WESTERN VISAYAS WILL EXPERIENCE CLOUDY SKIES WITH SCATTERED TO WIDESPREAD RAINSHOWERS AND THUNDERSTORMS WHICH MAY TRIGGER FLASHFLOODS AND LANDSLIDES. THE REST OF VISAYAS AND MINDANAO WILL BE MOSTLY CLOUDY WITH SCATTERED RAINSHOWERS AND THUNDERSTORMS. MODERATE TO STRONG WINDS BLOWING FROM THE SOUTHWEST TO WEST WILL PREVAIL OVER THE REST OF THE COUNTRY AND ITS COASTAL WATERS WILL BE MODERATE TO ROUGH.