Tropical Storm 05W (ex-Bising) - Tropical Cyclone Advisory #2, 1200 UTC 7/4/25

…Depression strengthens into a tropical storm northwest of Luzon… …Forecast to bring torrential rainfall to Taiwan over the weekend…

Current storm information:

• Position: 20.3°N 118.0°E

• Movement: NNW at 4 knots (5 km/h)

• Intensity: 35 knots (65 km/h)

• Central pressure: 1000 hPa

Trend:

• Steady strengthening is expected during the next 24 hours.

Watches and warnings:

• All wind signals for the Philippines have been dropped.

• The No. 1 standby signal is active for Hong Kong and Macau.

• Interests in Taiwan and southeastern China, as well as the Yaeyama Islands and Okinawa, should monitor the progress of TS 05W.

Hazards affecting land:

• The depression is currently producing areas of heavy rainfall over portions of northern and western Luzon, and this rainfall will likely spread inland over Luzon beginning on Saturday evening, followed by over the Batanes and Babuyan Islands and Taiwan on Sunday. This rain will likely cause severe flooding. In addition, destructive winds are possible in Taiwan on Monday. For additional details, including possible warnings, refer to products from your local weather office. 

The next full advisory will be posted after 0000 UTC 5 July 2025.

Forecast positions and maximum winds

• 00 hrs: 20.3°N 118.0°E – 35 kts

• 12 hrs: 20.7°N 117.6°E – 45 kts

• 24 hrs: 21.2°N 117.7°E – 55 kts

• 48 hrs: 23.5°N 119.0°E – 75 kts

• 72 hrs: 26.1°N 120.2°E – 60 kts

• 96 hrs: 28.2°N 120.0°E – 45 kts inland

• 120 hrs: 29.7°N 118.6°E – 30 kts inland