Severe Tropical Storm BETTY (MAWAR) Final Advisory

*This is the Final Advisory on the Philippines’ 2nd Tropical Cyclone for 2023.

48-hr Outlook: STS BETTY (MAWAR) is forecast to rapidly accelerate with an increased forward speed of 28 to 45 kph through Saturday evening (June 03). It will continue losing strength, as it starts becoming an Extratropical Cyclone with 1-min. sustained winds down to 85 kph within the next 24 hours.

The presence of this storm will still continue to enhance the Southwest Monsoon (Habagat) and bring on-and-off rain showers with isolated to scattered thunderstorms and gusty winds of 30 to 60 km/hr along the western sections of Visayas and MiMaRoPa including Batangas. It will therefore reach some portions of Western Luzon tonight & tomorrow.  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 Western Coast of Okinawa, Japan (near 25.8°N 127.1°E)
• Distance 1:  560 km east of Taipei, Taiwan
• Distance 2:  790 km northeast of Basco, Batanes
• Distance 3:  10 km south of Naha, Okinawa (Japan)

• None

• None 

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

• None

• None

+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.

• FRIDAY EVENING: Accelerating rapidly towards the ENE, south of Japan…weakens into a Tropical Storm (TS)…about 540 km ENE of Okinawa, Japan [8PM June 02: 28.7°N 132.4°E @ 85-100 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 200 mm [Light to Heavy]
• Minimum Central Pressure:  974 millibars (hPa)
• Size of Rain Circulation (in Diameter):  Large (1,190 km)
• Size of Wind Circulation (55-kph Wind Diameter):  Large (1,000 km)
• Area of Damaging Winds (100 kph or more wind gusts):  100 km outward from the center.