Fire Weather Seasons

undergrowth アﾝﾀﾞ-ｸﾞﾛｳｽ adj) a mass of bushes and plants under trees

overgrowth オｩｳﾞｧｰｸﾞﾛｳｽ adj) too much growth something

underbrush アﾝﾀﾞｰﾌﾞﾗｯｼｭ[North America]　a mass of bushes and plants under trees

bush/bushes ブｯｼｭ n) a plant that grows thickly

Australia's fire seasons

While bush fires can happen at any time of the year in Australia, the time of peak bushfire activity varies across the country with the changes in the seasonal weather patterns.

vary  ヴｪｧﾘｰ  v)...に及ぶ、...によって次第に変化する

pattern  パｧ ﾀｰﾝ　n)型