1) The word "school" contains two vowels: O and O.

2) The intensity of cyclones is often measured using the Saffir-Simpson Hurricane Wind Scale, which categorizes them based on their sustained wind speeds.

3) Matcha, a finely ground powder made from specially grown and processed green tea leaves, is a cherished part of Japanese tea culture. It has a vibrant green color and is known for its earthy and umami flavors. Matcha is prepared by whisking the powder with hot water and is traditionally enjoyed in tea ceremonies. It is also used as a versatile ingredient in desserts, beverages, and even savory dishes, offering a unique and distinctive taste.

4) The word "forest" contains two vowels: O and E.