Typhoon BETTY (MAWAR) Advisory No. 04

48-hr Outlook: TY BETTY (MAWAR) is forecast to move northwest slowly with a decreased forward speed from 14 to 05 km/hr through Tuesday afternoon (May 30). The system will likewise continue losing strength and could become just a strong minimal Typhoon (Category 2) on Tuesday afternoon with forecast 1-min. sustained winds of 160 kph. Tropical Storm Force Winds gusting from 75 to 100 kph will be expected along the eastern sections of Cagayan Valley Region beginning late Monday night through Tuesday. 

The presence of this typhoon will continue to enhance the Southwest Monsoon (Habagat) and bring much needed rainfall across the agricultural farmlands of Western Luzon, MiMaRoPa, Visayas, and Mindanao tonight until next weekend. 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 northernmost part of the Central Philippine Sea (near 17.8°N 127.6°E)
• Distance 1:  560 km northeast of Pandan, Catanduanes
• Distance 2:  560 km east of Palanan, Isabela
• Distance 3:  580 km east of Santa Ana, Cagayan

• None.

• Northern Luzon – Beginning Tomorrow through Thursday (June 01).

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

• None.

• Coastal and Beachfront areas of Cagayan, Isabela, Ilocos Norte, 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.

• MONDAY AFTERNOON: Moving WNW to NW slowly over the southwestern part of the North Philippine Sea…weakens further to a high-end minimal typhoon (Category 2)…about 365 km ENE of Santa Ana, Cagayan [2PM May 29: 19.3°N 125.5°E @ 175-215 kph].  Forecast Confidence: HIGH
• TUESDAY AFTERNOON: Weakens further as it starts to turn very slowly NNW while over the easternmost part of the Balintang & Bashi Channels…about 255 km E of Basco, Batanes [2PM May 30: 20.0°N 124.4°E @ 160-195 kph].  Forecast Confidence:  MEDIUM
• WEDNESDAY AFTERNOON: Weakens into a Category 1 Typhoon, remains quasi-stationary over the eastern part of the Bashi Channel…about 230 km E of Basco, Batanes [2PM May 31: 20.8°N 124.2°E @ 140-165 kph].  Forecast Confidence:  LOW

**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 (1,050 km)
• Size of Wind Circulation (55-kph Wind Diameter):  Large (1,300 km)
• Area of Damaging Winds (100 kph or more wind gusts):  185 km outward from the center.