B. Fill in the missing word/words in each statement. Choose your answer the box. Weather Weather Disturbance PAGASA Tropical Disturbance Typhoon 11. Refers to the changes in atmospheric conditions over a short period of time. 12. It refer to any disruption of the atmosphere's stable condition. 13. It keeps track of cyclones that enter the Philippine Area of Responsibility (PAR). 14. It is an isolated weather system with apparent circulation and it is characterized by a poorly developed wind circulation. 15.It is an intense tropical cyclone with a maximum wind speed of 117 to 220 kph and commonly accompanied by heavy rains and strong winds.​