Typhoon BETTY (MAWAR) Advisory No. 05

48-hr Outlook: TY BETTY (MAWAR) is forecast to continue moving northwestward with a decreased forward speed from 14 to 05 km/hr through Wednesday morning (May 31). The system will likewise continue losing strength and could become just a strong minimal Typhoon (Category 2) on Wednesday morning with forecast 1-min. sustained winds of 160 kph. Tropical Storm Force Winds gusting from 75 to 100 kph will be expected along Northern Cagayan and the Batanes-Babuyan Island Group beginning tomorrow, 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 18.8°N 126.5°E)
• Distance 1:  460 km east of Santa Ana, Cagayan
• Distance 2:  480 km east-northeast of Palanan, Isabela
• Distance 3:  510 km east-southeast of Basco, Batanes

• 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 MORNING: Moving NW slowly over the southwestern edge of the North Philippine Sea…weakens further to a high-end minimal typhoon (Category 2)…about 305 km E of Basco, Batanes [2AM May 30: 20.0°N 124.9°E @ 175-215 kph].  Forecast Confidence: HIGH
• WEDNESDAY MORNING: Weakens further as it starts to turn very slowly NNW while over the East Bashi Channel…about 230 km E of Basco, Batanes [2AM May 31: 20.8°N 124.2°E @ 160-195 kph].  Forecast Confidence:  MEDIUM
• THURSDAY MORNING: Weakens into a Category 1 Typhoon as it accelerates northward across the East Taiwan Sea…about 265 km NE of Itbayat, Batanes [2AM June 01: 22.2°N 123.9°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 510 mm [Light to Extreme]
• Minimum Central Pressure:  950 millibars (hPa)
• Size of Rain Circulation (in Diameter):  Large (1,105 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.