Typhoon BETTY (MAWAR) Advisory No. 06

48-hr Outlook: TY BETTY (MAWAR) is forecast to turn north-northwestward to northward with a decreased forward speed 05 km/hr through Wednesday afternoon (May 31). The system will be downgraded into a minimal Typhoon (Category 1) on Wednesday afternoon with forecast 1-min. sustained winds of 150 kph. Tropical Storm Force Winds gusting from 75 to 100 kph will be expected along Northern Cagayan and the Batanes-Babuyan Island Group beginning today, Tuesday through Wednesday. 

The presence of this typhoon will enhance the Southwest Monsoon (Habagat) and bring much needed rainfall across the agricultural farmlands of Western Luzon, MiMaRoPa, Visayas, and Mindanao this week. Meanwhile, 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 southwest portion of the North Philippine Sea (near 19.6°N 125.6°E)
• Distance 1:  385 km east-northeast of Santa Ana, Cagayan
• Distance 2:  390 km east-southeast of Basco, Batanes
• Distance 3:  435 km east of Calayan Island, Cagayan

• None.

• Northern Cagayan, Batanes & Babuyan Group – Today through Thursday (June 01).
• Ilocos Region, Western CAR – beginning Tomorrow, Tuesday through 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.

• TUESDAY AFTERNOON: Moving NNW slowly over the western edge of the North Philippine Sea…weakens to a high-end minimal typhoon (Category 2)…about 300 km E of Basco, Batanes [2PM May 30: 20.6°N 124.9°E @ 175-215 kph].  Forecast Confidence: HIGH
• WEDNESDAY AFTERNOON: Weakens further (Category 1) as it starts to turn very slowly northward while over the westernmost part of the North Philippine Sea…about 330 km ENE of Basco, Batanes [2PM May 31: 21.7°N 124.9°E @ 150-185 kph].  Forecast Confidence:  MEDIUM
• THURSDAY AFTERNOON: Weakens further as it starts to accelerate North to NNW across the East Taiwan Sea…about 425 km ESE of Taipei, Taiwan [2PM June 01: 23.7°N 125.5°E @ 130-160 kph].  Forecast Confidence:  MEDIUM

**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 500 mm [Light to Extreme]
• Minimum Central Pressure:  949 millibars (hPa)
• Size of Rain Circulation (in Diameter):  Large (1,295 km)
• Size of Wind Circulation (55-kph Wind Diameter):  Large (1,300 km)
• Area of Damaging Winds (100 kph or more wind gusts):  125 km outward from the center.