Sagot :
Answer:
The first signs of the storm appear. The barometer is falling slightly, the wind is around 18-20 kph, and the ocean swell is about 4m (13 feet) in height and coming in 7 seconds apart. On the horizon a large mass of white cirrus clouds appear. As the veil of clouds approaches it covers more of the horizon.
When a weather disturbance enters the Philippine Area of responsibility.