Typhoon BETTY (MAWAR) Advisory No. 10

48-hr Outlook: TY BETTY (MAWAR) is forecast to turn northeastward with an increased forward speed from 17 to 22 kph through Friday afternoon (June 02). The system will move out of the Philippine Area of Responsibility (PAR) by tomorrow afternoon and will be downgraded into a Severe Tropical Storm (STS). It will pass over or very close to Miyako-jima, Japan by tomorrow morning, and over or very near to Okinawa, Japan by early Friday morning.

The presence of this typhoon will continue to enhance the Southwest Monsoon (Habagat) and bring occasional rains with thunderstorms and gusty winds from 30 to 60 km/hr along the western sections of Visayas and MiMaRoPa including Batangas. It will therefore reach Cavite, NCR, Bataan, Zambales and some portions of Central Luzon beginning tomorrow, Thursday through Friday (June 02). Residents living in hazard-prone areas must take all necessary precautions against floods and landslides along the above-mentioned areas.

• Location of Center/Eye: Along the East Taiwan Sea (near 22.5°N 125.4°E)
• Distance 1:  415 km east-northeast of Itbayat, Batanes
• Distance 2:  440 km east of Taitung, Taiwan
  • Distance 3:  540 km northeast of Calayan Island, Cagayan

• None.

• Ilocos Region, Western CAR – Today until Tomorrow, Thursday (June 01).

Damaging Winds (gusts of more than 100 km/hr expected):

• None.

• Coastal and Beachfront areas of Cagayan, Isabela, Ilocos Provinces, La Union, Batanes & Babuyan Island Group.

+Waves of 3 meters in height are expected in storm surge-prone areas, particularly in coastal areas where the Tropical Cyclone is headed. Kindly visit the PAGASA Storm Surge Updates  for more details.

• THURSDAY AFTERNOON: Moving North to NNE over the eastern part of the East Taiwan Sea…weakens to a Severe Tropical Storm (STS) as it exits the PAR. It will pass over or very close to Miyakojima by tomorrow noon (Thu)…about 445 km E of Taipei, Taiwan [2PM June 01: 25.1°N 126.0°E @ 100-130 kph].  Forecast Confidence: HIGH
• FRIDAY AFTERNOON: Weakens further as it accelerates towards the ENE, away from Okinawa, Japan…about 825 km ENE of Taipei, Taiwan [2PM June 02: 26.7°N 129.6°E @ 95-120 kph].  Forecast Confidence:  HIGH

**Important Note: Please be reminded that the Forecast Outlook changes every 6 hours, and the Day 2 and 3 Forecast Track have an average error of 100 and 250 km respectively… while the wind speed forecast error, averages 35 km/hr per day. Therefore, a turn to the left or right of its future track and changes in its wind speed must be anticipated from time to time.

• 24-hr. Rain Accumulation (across its circulation):  25 to 400 mm [Light to Extreme]
• Minimum Central Pressure:  975 millibars (hPa)
• Size of Rain Circulation (in Diameter):  Large (1,295 km)
• Size of Wind Circulation (55-kph Wind Diameter):  Large (1,240 km)
• Area of Damaging Winds (100 kph or more wind gusts):  145 km outward from the center.