Typhoon BETTY (MAWAR) Advisory No. 08

48-hr Outlook: TY BETTY (MAWAR) is forecast to move northward with a slow forward speed of 7 to 11 kph through Thursday afternoon (June 01). The system will be downgraded into a Severe Tropical Storm (STS) throughout the outlook period with forecast 1-min. sustained winds of 110 kph or less. Tropical Storm-Force Winds gusting from 75 to 100 kph will prevail along Batanes-Babuyan Island Group today. 

The presence of this typhoon will enhance the Southwest Monsoon (Habagat) and bring occasional rains with thunderstorms along the western sections of Visayas and MiMaRoPa. 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 westernmost portion of the North Philippine Sea (near 20.6°N 125.0°E)
• Distance 1:  310 km east of Basco, Batanes
• Distance 2:  380 km northeast of Santa Ana, Cagayan
• Distance 3:  395 km east-northeast of Calayan Island, Cagayan

• None.

• Northern Cagayan, Batanes & Babuyan Group – Today through Wednesday (May 31).
• Ilocos Region, Western CAR – beginning Today 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.

• WEDNESDAY AFTERNOON: Moving North very slowly over the northwestern edge of the North Philippine Sea…weakens to a minimal typhoon (Category 1)…about 390 km ENE of Itbayat, Batanes [2PM May 31: 22.2°N 125.3°E @ 120-150 kph].  Forecast Confidence: HIGH
• THURSDAY AFTERNOON: Weakens into a Severe Tropical Storm (STS) as it moves slowly northward across the East Taiwan Sea…about 425 km E of Taipei, Taiwan [2PM June 01: 24.4°N 125.7°E @ 100-130 kph].  Forecast Confidence:  MEDIUM
• FRIDAY AFTERNOON: Exits the Philippine Area of Responsibility (PAR) while accelerating on a NE track across the Southern Islands of Japan…about 640 km E of Taipei, Taiwan [2PM June 02: 25.8°N 127.9°E @ 95-120 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:  972 millibars (hPa)
• Size of Rain Circulation (in Diameter):  Large (1,165 km)
• Size of Wind Circulation (55-kph Wind Diameter):  Large (1,200 km)
• Area of Damaging Winds (100 kph or more wind gusts):  200 km outward from the center.