Before it is a typhoon還不是颱風
A loose patch of cloud, slowly turning. There is no eye.
一團鬆散的雲，慢慢地轉。沒有眼。
Earth and Weather · Unit 2 · Lesson 8 · 地球與天氣 單元二 第八課
How Does a Typhoon Form?颱風是怎麼形成的？
A typhoon can be hundreds of kilometers wide, yet it starts as nothing more than warm, wet air rising from the sea. In a 3D model, watch a loose patch of cloud grow into a spinning storm with an eye in the middle. Cut it open to see where the air goes, then move it over land and watch what happens. Last, follow the eye of a typhoon as it passes right over your town.
颱風可以有好幾百公里寬，可是它一開始只不過是從海面上升的暖溼空氣。在 3D 模型裡，看一團鬆散的雲怎麼長成一個旋轉的風暴，中間還有一個眼。把它剖開，看看空氣往哪裡走；再把它移到陸地上，看看會發生什麼事。最後，跟著颱風眼，看它從你住的地方正上方通過。
Big idea · 一句話看懂
A typhoon is a huge, spinning storm that is born over a warm tropical sea. Warm, moist air rises, and more air flows in to take its place and begins to circle. When the water vapor in the rising air turns into cloud, it gives out heat, which makes the air rise even faster. So the storm feeds itself as long as it stays over warm water. Over land it loses its supply and grows weaker.
颱風是在溫暖的熱帶海面上誕生的、巨大而旋轉的風暴。暖溼的空氣上升，四周的空氣流進來補位，並且開始繞圈。上升的空氣裡的水氣變成雲的時候會放出熱，讓空氣升得更快。所以只要還在溫暖的海面上，這個風暴就會自己餵飽自己；到了陸地上，補給斷了，它就慢慢變弱。
3D Model · 3D 模型
Grow a Typhoon 養一個颱風
Drag to turn the model, and scroll or pinch to zoom. The white puffs are cloud, and the small blue dots are air flowing in along the sea. Let it play, and watch the wind speed climb while the storm stays over warm sea. When does an eye appear? Choose Cut open to look inside. Then press Over land and watch the numbers.
拖曳可以旋轉模型，滾輪或雙指可以縮放。白色的團塊是雲，藍色的小點是貼著海面流進來的空氣。讓它播放，注意風暴待在溫暖海面上的時候，風速怎麼往上爬。颱風眼是什麼時候出現的？選「剖開看」可以看到裡面。然後按「登陸了」，注意數字的變化。
Drag to turn · 拖曳旋轉 Scroll or pinch to zoom · 滾輪／雙指縮放
This 3D model needs WebGL, which this browser does not support. The reading and the cards below still explain everything.
這個瀏覽器不支援 WebGL，無法顯示 3D 模型；下方的課文與卡片一樣能看懂。
- White puffs: cloud, tallest around the eye
白色團塊：雲，在眼的四周最高 - Orange dots: air sinking inside the eye
橘色小點：在眼裡下沉的空氣
A teaching model. A real typhoon is very wide and very flat: its strong winds reach 200 to 300 kilometers from the center, but it is only a little more than 10 kilometers high. The model is drawn far taller than that, and its eye is drawn larger, so you can see inside. The strength levels and the wind scale follow the Central Weather Administration. How fast the storm grows and fades in the model was chosen to make the animation easy to watch; a real typhoon takes days.
這是教學用的模型。真的颱風又寬又扁：暴風半徑平均有 200 到 300 公里，高度卻只有十幾公里。模型把高度畫得誇張很多，颱風眼也畫得比較大，這樣才看得到裡面。強度分級和風級依中央氣象署。模型裡增強和減弱的快慢是為了方便觀看而設定的；真的颱風要花上好幾天。
Model drawn by My Culture Connect as a teaching diagram. The ideas follow the Central Weather Administration's typhoon questions and answers and the other sources listed at the bottom of this page. · 模型由人師教育協會自繪示意；原理依中央氣象署「颱風百問」與本頁最下方列出的其他出處。
Reading · 英文閱讀
8
Unit 8: How Does a Typhoon Form?
Every summer and fall, people in Taiwan watch the weather report closely. Somewhere far out over the Pacific, a patch of cloud has begun to turn. A few days later it may arrive as a typhoon, with wind strong enough to pull up trees and rain enough to fill a river in hours.
每年夏天和秋天，台灣的人都會特別留意氣象報告。在遙遠的太平洋上，有一團雲開始旋轉了。幾天之後，它可能變成颱風來到這裡，風強得可以把樹連根拔起，雨大得可以在幾個小時裡灌滿一條河。
A typhoon begins over a warm tropical sea. The sun heats the water, and a lot of it turns into water vapor. The air above the sea becomes warm and moist, so it is light, and it rises. Cooler air from all around flows in to take its place, and then it rises too. The air pressure in the middle becomes lower and lower.
颱風是從溫暖的熱帶海面上開始的。太陽把海水曬熱，很多海水變成水氣。海面上的空氣又暖又溼，所以比較輕，就往上升。四周比較涼的空氣流進來補位，然後也跟著上升。中間的氣壓就變得越來越低。
The air does not flow straight to the middle. Because the Earth spins, the air curves, and it begins to circle the center. North of the equator, it turns counterclockwise. Now the storm has a shape: long bands of cloud winding in toward the middle.
空氣並不是直直地流向中間。因為地球在自轉，空氣會轉彎，開始繞著中心打轉。在赤道以北，它是逆時針轉的。這時候風暴有了形狀：長長的雲帶一圈一圈繞向中間。
Then the storm starts to feed itself. As the moist air rises, its water vapor cools and turns into cloud and rain. This change gives out heat. The heat makes the air rise even faster, which pulls in more moist air from the sea. When the wind near the center reaches 17.2 meters a second, which is about 62 kilometers an hour, we call the storm a typhoon.
接下來，風暴開始自己餵飽自己。潮溼的空氣上升的時候，裡面的水氣變冷，凝結成雲和雨；這個變化會放出熱。這些熱讓空氣升得更快，又把更多潮溼的空氣從海面吸進來。當近中心的風速達到每秒 17.2 公尺，也就是每小時大約 62 公里的時候，我們就把這個風暴叫做颱風。
A strong typhoon has a strange thing at its center: an eye. Inside the eye there is almost no wind and no rain, and you may even see the sun or the stars. But right at the edge of the eye is a ring of thick cloud where the wind and rain are the strongest of all. From there outward, they slowly grow weaker.
強的颱風，中心有一個奇特的東西：颱風眼。眼裡面幾乎沒有風，也沒有雨，有時候還看得見太陽或星星。可是就在眼的邊緣，有一圈厚厚的雲，那裡的風雨是整個颱風裡最強的。從那裡再往外，風雨才慢慢變小。
A typhoon cannot live without warm sea. When it moves over land, there is far less water vapor to feed it, and mountains and rough ground break up its shape. It grows weaker, and in the end it fades away. Most typhoons last from four or five days to a little more than ten. That is long enough to cross an ocean, so the safest thing we can do is follow the warnings and get ready early.
颱風離不開溫暖的海。它一到陸地上，能餵它的水氣少了很多，高低起伏的山和地面又破壞它的結構。它越來越弱，最後就消散了。大部分的颱風可以活四、五天，長的有十幾天。這段時間足夠它橫越一片大洋，所以我們能做的最安全的事，就是留意警報、提早準備。
Read aloud · 課文朗讀
Questions · 閱讀理解
Where does a typhoon begin, and what does it need?
It begins over a warm tropical sea. It needs warm, moist air that rises, so that more air flows in and starts to circle.
Why does a typhoon keep growing stronger over warm sea?
When the water vapor in the rising air turns into cloud, it gives out heat. The heat makes the air rise faster, and that pulls in more moist air from the sea.
What is it like inside the eye, and what is it like at the edge of the eye?
Inside the eye there is almost no wind or rain, and the sky may be clear. At the edge of the eye, the wind and rain are the strongest in the whole storm.
Words & Phrases · 生字及片語
typhoon(n.)颱風A typhoon is coming this weekend.這個週末有颱風要來。storm(n.)風暴；暴風雨The storm lasted all night.暴風雨持續了一整夜。tropical(adj.)熱帶的Typhoons form over tropical seas.颱風在熱帶的海面上形成。spin(v.)旋轉The clouds spin around the center.雲繞著中心旋轉。eye(n.)（颱風）眼The eye of the typhoon is calm.颱風眼裡是平靜的。center(n.)中心The strongest wind is near the center.最強的風在中心附近。weaken(v.)減弱The typhoon weakened over land.颱風在陸地上減弱了。warning(n.)警報A typhoon warning was sent out this morning.今天早上發布了颱風警報。
Quick Check · 小測驗
1. Where do typhoons form?
2. Which way does a typhoon turn north of the equator?
3. Where is the strongest wind in a typhoon?
4. The wind and rain stop suddenly in the middle of a typhoon. What should you do?
5. Why does a typhoon weaken over land?
Be Ready · 防災要點
When the eye passes over you 颱風眼經過你家
Sometimes the center of a typhoon passes right over a town. The people there feel five different things, one after another. Press the numbers to follow the storm, and watch out for stage 3.
有時候，颱風的中心會剛好從一個地方的正上方通過。住在那裡的人，會接連感受到五種不同的情況。按數字跟著颱風走一遍，並特別注意第 3 個階段。
The red dot is your town. · 紅點是你住的地方。
This follows the Central Weather Administration. The drawing shows the town moving across the storm; in real life it is the storm that moves. The wind bar shows only weaker and stronger, not a measured speed. A real typhoon leaves slowly, never suddenly.內容依中央氣象署的說明。圖上畫的是紅點穿過颱風；實際上移動的是颱風。風的長條只表示比較弱或比較強，不是實測的風速。真的颱風離開的時候，風雨是慢慢變小的，不會突然停止。
Stage · 階段
·
Wind · 風
Try It in the Model · 在模型裡試試
Four moments in a typhoon's life 颱風一生的四個時刻
After Landfall, press Over warm sea again. A typhoon that crosses an island and returns to the sea can sometimes grow strong again.
看完「登陸」之後，再按一次「在溫暖的海面上」。颱風穿過島嶼、回到海上以後，有時候會再度增強。
A mild typhoon輕度颱風
The cloud has wound itself into bands, and the middle is starting to clear.
雲捲成了一條一條的雲帶，中間開始變空。
A severe typhoon, cut open強烈颱風，剖開看
Air rises in the tall ring of cloud and sinks in the clear eye.
空氣在那圈高高的雲裡上升，在無雲的眼裡下沉。
Landfall登陸
The supply of water vapor is cut off. Watch the wind speed fall.
水氣的補給斷了。注意看風速怎麼往下掉。
Go Further · 延伸閱讀
Wind and rain, one at a time 風和雨，分開來看
Earth and Weather · Lesson 7 · 地球與天氣 第七課Why Does the Wind Blow?風是怎麼來的？Warm air rises, and other air moves in. A typhoon is that idea at full power.暖空氣上升，別的空氣來補位。颱風就是這個道理發揮到極致。Go to the lesson · 前往這一課 →Earth and Weather · Lesson 6 · 地球與天氣 第六課Why Does It Rain?為什麼會下雨？Why a typhoon drops so much rain on the side of the mountains that faces the wind.為什麼颱風會在迎風的山坡下那麼多雨。Go to the lesson · 前往這一課 →
Typhoons by the Numbers · 颱風的數字
Six numbers about typhoons 六個和颱風有關的數字
From the size of the eye to the list of names.
從颱風眼的大小，到名字的清單。
62km/h · 公里／時
When the strongest wind near the center reaches 62 kilometers an hour (17.2 meters a second), the storm is called a typhoon.近中心的最大風速達到每小時 62 公里（每秒 17.2 公尺），這個風暴就叫做颱風。
26a year · 每年
From 1958 to 2025, about 26 typhoons a year formed in the northwestern Pacific and the South China Sea. August had the most.從 1958 年到 2025 年，西北太平洋和南海地區平均每年大約生成 26 個颱風，其中 8 月最多。
45 kmacross · 直徑
The eye of a typhoon is about 45 kilometers wide on average. Small ones are 10 to 20 kilometers, and large ones can reach 100 to 150.颱風眼的直徑平均大約 45 公里；小的只有 10 到 20 公里，大的可以到 100 至 150 公里。
200–300 kmfrom the center · 半徑
On average, the strong winds of a typhoon reach this far from the center. In a large typhoon they reach 400 to 500 kilometers.颱風的暴風半徑平均大約這麼遠；大的颱風可以到 400 至 500 公里。
20–30minutes · 分鐘
When the eye passes over a place, the calm usually lasts only this long. Then the wind and rain come back.颱風眼經過一個地方的時候，平靜通常只維持這麼久，接著狂風暴雨又會出現。
140names · 個名字
Typhoons in this part of the world take their names from a list of 140. Each of 14 countries and regions gave 10.這個地區的颱風，名字來自一份 140 個名字的清單，由 14 個國家和地區各提供 10 個。
Typhoon Stories · 颱風的故事
The word, the other names, the list, and two kinds of typhoon 這個詞的由來、別的名字、命名的清單，還有兩種颱風
Four things people say about typhoons, and where they come from.
四件大家常說的、和颱風有關的事，以及它們的由來。
Word · 字源
Where the word comes from「颱風」這個詞是怎麼來的
Many people think the word came from the Cantonese for “big wind.” Another idea is that it came from Taiwanese. An old book about Taiwan describes how people saw wind and rain whirl in from every side, turning in the air like a sieve, and so they called it “wind sieve.” To this day, the Taiwanese word for a typhoon is hong-thai, with “wind” in front.
一般認為這個詞是從廣東話的「大風」演變來的。另一種說法是從台語來的：清代的《重修臺灣縣志》描寫當地人看見風挾著雨從四面旋轉而來，在空中打轉像篩子一樣，所以叫它「風篩」。直到今天，台語還是把颱風叫做「風颱」。
World · 世界
One storm, many names同一種風暴，不同的名字
Typhoons do not happen only near Taiwan. The same kind of storm forms over other tropical seas, but it has other names. In the western North Pacific and the South China Sea it is a typhoon. In the western Atlantic and the eastern North Pacific it is a hurricane. Over the Indian Ocean it is a cyclone. Scientists use one name for all of them: tropical cyclone.
颱風並不是台灣附近才有。其他的熱帶海面上也有同一種風暴，只是名字不一樣。在北太平洋西部和南海叫做颱風（typhoon）；在大西洋西部和北太平洋東部叫做颶風（hurricane）；在印度洋上叫做氣旋（cyclone）。科學家把它們統稱為「熱帶氣旋」。
Names · 命名
Animals, flowers, and stars動物、花和星星
Since the year 2000, typhoons in this region have taken their names from a shared list. The names are not only people's names. There are animals, plants, stars, places, and figures from old stories. When a typhoon causes a great disaster, its name is taken off the list and replaced. In Taiwan, the Central Weather Administration reports each typhoon mainly by its number, with the name beside it.
從 2000 年開始，這個地區的颱風用一份共同的清單來命名。這些名字不只是人名，還有動物、植物、星象、地名和神話人物。造成重大災害的颱風，名字會從清單上拿掉，換成別的。在台灣，中央氣象署報導颱風的時候以編號為主，國際命名為輔。
Taiwan · 台灣
Wind typhoons and rain typhoons風颱風和雨颱風
Weather forecasters in Taiwan sometimes use two informal names. A “wind typhoon” has strong wind but not much rain. A “rain typhoon” has weaker wind but a great deal of rain. So the strength level in the news does not tell you everything. A typhoon that is called mild can still bring dangerous rain.
台灣的氣象人員有時候會用兩個非正式的稱呼。「風颱風」是風力比較強、雨量比較少的颱風；「雨颱風」是風力不強、雨量卻很大的颱風。所以新聞裡說的強度，並不能告訴你全部的事：被稱為「輕度」的颱風，一樣可能帶來危險的大雨。
Myth vs. Fact · 常見迷思
Four things people get wrong 四個常見的誤會
✗ Myth · 迷思The wind and rain have stopped, so the typhoon is over.風停了、雨也停了，颱風已經走了。
✓ Fact · 事實A sudden calm may be the eye. In about 20 to 30 minutes the storm can return from the opposite direction. A typhoon that is really leaving fades slowly.突然平靜下來，可能是颱風眼正在經過。大約 20 到 30 分鐘以後，狂風暴雨會從相反的方向回來。真正離開的颱風，風雨是慢慢變小的。
✗ Myth · 迷思The strongest wind is in the very middle of a typhoon.颱風的正中央風最強。
✓ Fact · 事實The middle is the eye, which is calm. The strongest wind is at the edge of the eye.正中央是颱風眼，那裡是平靜的。風最強的地方在眼的邊緣。
✗ Myth · 迷思Typhoons happen only near Taiwan.只有台灣附近才有颱風。
✓ Fact · 事實The same storms form over other tropical seas. They are called hurricanes or cyclones there.其他的熱帶海面上也有同樣的風暴，只是在那裡叫做颶風或氣旋。
✗ Myth · 迷思A mild typhoon is nothing to worry about.輕度颱風不用擔心。
✓ Fact · 事實The level describes only the wind near the center. A mild typhoon still has winds of force 8 to 11, and it may bring very heavy rain.強度說的只是近中心的風速。輕度颱風的風一樣有 8 到 11 級，而且可能帶來很大的雨。
Remember It · 記憶口訣
A typhoon in a sentence 一句話記住颱風
Born over warm sea在溫暖的海上出生
Warm, moist air rises.
暖溼的空氣往上升。
Air flows in and spins空氣流進來、打轉
Counterclockwise in the north.
在北半球是逆時針。
Cloud gives out heat成雲會放熱
So the storm feeds itself.
所以風暴自己餵飽自己。
Land cuts the supply陸地切斷補給
Less vapor, and it weakens.
水氣少了，它就變弱。
Be Ready · 防災要點
Before, during, and after a typhoon 颱風來之前、來的時候、走了以後
- Before: follow the typhoon news on TV, radio, or the internet, so you know where the storm is.來之前：透過電視、廣播或網路留意颱風消息，知道颱風的最新動向。
- Before: take down or tie down things that hang or stand outside, such as flower pots on the balcony. Strong wind can turn them into dangerous objects.來之前：把屋外懸掛或擺放的東西（例如陽台的花盆）拿下來或固定好，以免被風吹落傷人。
- Before: get ready three or four days of food and drinking water, and a flashlight and batteries in case the power goes out.來之前：準備三、四天的食物和飲用水，還有手電筒和電池，以備停電。
- During: if your home is strong and safe, stay inside. If the wind suddenly drops, it may be the eye, so do not go out.來的時候：住家堅固安全的話，就留在家裡不要外出。風勢突然減弱可能是颱風眼經過，不可以貿然外出。
- During: never go to the seaside to fish, watch the waves, or play in the water. Stay away from fallen wires, and do not go into a flooded basement.來的時候：千萬不要到海邊釣魚、觀浪或戲水。看到垂落的電線不要碰，也不要進入淹水的地下室。
- After: go out only when the weather report says the typhoon has moved away. Boil tap water before you drink it.走了以後：確定氣象報告說颱風已經遠離，才可以外出。自來水要煮沸以後才能喝。
These points follow the National Fire Agency: National Fire Agency, Typhoon Preparation ↗以下要點依內政部消防署消防防災館「防颱準備」。
Classroom Activity 1 · 課堂活動一
A Spiral in a Bowl 碗裡的螺旋
You need · 準備材料
- A large round bowl of water and a spoon一個裝了水的大圓碗和一支湯匙
- Food coloring, or a little milk, and a dropper or a straw食用色素或一點牛奶，還有滴管或吸管
Steps · 步驟
- Stir the water in a circle, counterclockwise, until it is all turning. Take the spoon out.用湯匙以逆時針方向把水攪動，直到整碗水都在轉。把湯匙拿出來。
- Look at the surface from the side. Is the middle higher or lower than the edge?從側面看水面：中間比邊緣高，還是比邊緣低？
- Put one drop of coloring near the edge and another drop near the middle.在靠近碗邊的地方滴一滴色素，在靠近中間的地方再滴一滴。
- Watch the two drops for one minute. What shape does the color make? Which drop goes around faster?觀察這兩滴一分鐘。顏色被拉成什麼形狀？哪一滴繞得比較快？
The bowl shows only the shape of a typhoon: bands that wind toward a low middle. You made it turn with a spoon. A real typhoon is kept turning by the heat of a warm sea.
這碗水只能表現颱風的「樣子」：一條條繞向中間低處的帶子。碗裡的水是你用湯匙攪動的；真的颱風，是靠溫暖海面的熱一直轉下去的。
Classroom Activity 2 · 課堂活動二
Our Typhoon Checklist 我們家的防颱檢查表
You need · 準備材料
- Paper and a pen紙和筆
- An adult in your family to walk around the home with you一位家裡的大人，陪你在家裡走一圈
Steps · 步驟
- Write down four things to check: a flashlight and batteries, drinking water, food that keeps, and things outside that the wind could move.寫下四樣要檢查的東西：手電筒和電池、飲用水、可以久放的食物，還有屋外會被風吹動的東西。
- Walk around your home together. Put a check mark beside each thing that is ready.和大人一起在家裡走一圈。準備好的項目，就在旁邊打勾。
- For each thing that is not ready, write down who will take care of it, and when.還沒準備好的項目，寫下由誰負責、什麼時候完成。
- Decide together where everyone will stay during a typhoon, and how you will reach each other if the phones are busy.一起決定颱風來的時候大家待在哪裡；萬一電話打不通，要怎麼聯絡彼此。
Do this on a sunny day. Getting ready is easy when nothing is happening, and hard when the wind has already begun.
挑一個晴天來做。風平浪靜的時候準備起來很輕鬆；等風已經起來了，就難了。
Sources · 資料出處
Facts and numbers on this page were checked against these sources (October 2026). · 本頁的事實與數字依下列資料查證（2026 年 10 月）。
- A typhoon is a violent tropical cyclone; near the surface in the Northern Hemisphere its winds turn counterclockwise; the two ideas about where the word comes from颱風是劇烈的熱帶氣旋；北半球近地面的風呈逆時針方向轉動；「颱風」一詞的兩種來源說法（大風、風篩）中央氣象署 颱風百問「什麼是颱風？」 ↗
- How a typhoon forms: warm, moist air rises over a tropical sea and cooler air flows in; when the strongest wind near the surface reaches 62 km/h (17.2 m/s) it is called a typhoon颱風的生成：熱帶海面上暖溼空氣上升、周圍較冷空氣流入；近地面最大風速達到每小時 62 公里（每秒 17.2 公尺）時稱為颱風中央氣象署 颱風百問「颱風是如何生成的？」 ↗
- Air circling a low turns counterclockwise in the Northern Hemisphere because of the Earth's rotation and friction with the ground在北半球因地球自轉及地表摩擦力，環繞低氣壓之氣流呈反時針方向中央氣象署 氣象常識「低氣壓與高氣壓」 ↗
- Condensation gives out heat, which strengthens the inflow and the rising air; over land the supply of water vapor is short and terrain and friction break up the storm; a typhoon can grow again after returning to the sea水氣凝結放出潛熱，增加氣流向中心聚合與上升的力量；登陸後水氣供應缺乏，地形與摩擦破壞颱風結構；回到海上後有時會再度增強中央氣象署 颱風百問「為何颱風生成後會逐漸增強擴大，登陸後則逐漸變小減弱而消滅？」 ↗
- Structure: the eye has little or no cloud, wind, or rain; just outside it the cloud is thickest and the wind and rain strongest, growing weaker outward; the average height is a little more than 10 km結構：颱風眼無雲或雲層很薄、風雨很小；剛離開眼的地方雲層最厚、風雨最大，向外漸弱；垂直高度平均約十餘公里中央氣象署 颱風百問「颱風內部的結構如何？」「颱風的垂直高度有多高？」「颱風裏各處的風是否都一樣大？」 ↗
- The eye: about 45 km wide on average (10–20 km to 100–150 km); it tends to shrink as the typhoon strengthens; the calm lasts about 20 to 30 minutes, and the wind returns from the opposite direction; how to tell that a typhoon is really leaving颱風眼：平均直徑約 45 公里（小者 10–20 公里，大者 100–150 公里）；有隨颱風增強而縮小的趨勢；約 20 至 30 分鐘後狂風暴雨再度出現，前後風向相反；如何判斷颱風已經遠離中央氣象署 颱風百問「什麼叫颱風眼？」「颱風侵襲期間風狂雨驟時，突然風歇雨止…？」「如何判斷颱風已經遠離了？」 ↗
- Strength levels by the strongest wind near the center: mild 17.2–32.6 m/s (force 8–11), moderate 32.7–50.9 m/s (force 12–15), severe 51.0 m/s or more (force 16 or more); the storm radius averages 200–300 km and can reach 400–500 km強度劃分（近中心最大風速）：輕度 17.2–32.6 公尺／秒（8–11 級）、中度 32.7–50.9（12–15 級）、強烈 51.0 以上（16 級以上）；暴風半徑平均 200–300 公里，大者 400–500 公里中央氣象署 颱風百問「颱風的強度是如何劃分的？」「如何決定颱風的暴風範圍？」 ↗
- About 26 typhoons a year formed in the northwestern Pacific and the South China Sea from 1958 to 2025, most of them in July, August, and September, with the most in August; a typhoon lasts from 4–5 days to more than 101958 至 2025 年西北太平洋及南海地區平均每年約 26.09 個颱風，一半以上發生在 7、8、9 月，以 8 月最多；颱風自發生至消散短者 4–5 日，長者 10 餘日中央氣象署 颱風百問「颱風發生的頻率如何？」「颱風自發生到消散歷時多久？」 ↗
- Typhoon, hurricane, and cyclone are names for the same kind of storm; since 2000 names come from a list of 140, ten from each of 14 members; names of disastrous typhoons are replaced; “wind typhoon” and “rain typhoon” are informal terms颱風、颶風、氣旋是同一種風暴在不同地區的名稱；2000 年起由 14 個成員各提供 10 個、共 140 個名字；造成重大災害的名稱會被替換；「風颱風」「雨颱風」是非正式的稱呼中央氣象署 颱風百問「除了臺灣之外，其他地區有颱風嗎？」「颱風是怎麼命名？」「何謂風颱風、雨颱風？」 ↗
- What to do before a typhoon颱風前要準備什麼內政部消防署 消防防災館「颱風前要準備什麼」 ↗
- What to do during a typhoon颱風來時注意事項內政部消防署 消防防災館「颱風來時注意事項」 ↗
- What to do after a typhoon颱風過後應注意事項內政部消防署 消防防災館「颱風過後應注意事項」 ↗