---
# System prepended metadata

title: My first HackMD note (change me!)

---

# My first HackMD note (change me!)

###### tags: `Tag(change me!)`

> This note is yours, feel free to play around.  :video_game: 
> Type on the left :arrow_left: and see the rendered result on the right. :arrow_right: 

## :memo: Where do I start?

### Step 1: Change the title and add a tag

- [x] Create my first HackMD note (this one!)
- [ ] Change its title
- [ ] Add a tag

:rocket: 

### Step 2: Write something in Markdown

Let's try it out!
Apply different styling to this paragraph:
**HackMD gets everyone on the same page with Markdown.** ==Real-time collaborate on any documentation in markdown.== Capture fleeting ideas and formalize tribal knowledge.




:::info
:bulb: **Hint:** You can also apply styling from the toolbar at the top :arrow_upper_left: of the editing area.

![](https://i.imgur.com/Cnle9f9.png)
:::

> Drag-n-drop image from your file system to the editor to paste it!

### Step 3: Invite your team to collaborate!

Click on the <i class="fa fa-share-alt"></i> **Sharing** menu :arrow_upper_right: and invite your team to collaborate on this note!

![permalink setting demo](https://i.imgur.com/PjUhQBB.gif)

- [ ] Register and sign-in to HackMD (to use advanced features :tada: ) 
- [ ] Set Permalink for this note
- [ ] Copy and share the link with your team

:::info
:pushpin: Want to learn more? ➜ [HackMD Tutorials](https://hackmd.io/c/tutorials) 
:::

---

## BONUS: More cool ways to HackMD!

- Table

| Features          | Tutorials               |
| ----------------- |:----------------------- |
| GitHub Sync       | [:link:][GitHub-Sync]   |
| Browser Extension | [:link:][HackMD-it]     |
| Book Mode         | [:link:][Book-mode]     |
| Slide Mode        | [:link:][Slide-mode]    | 
| Share & Publish   | [:link:][Share-Publish] |

[GitHub-Sync]: https://hackmd.io/c/tutorials/%2F%40docs%2Fsync-a-note-with-github
[HackMD-it]: https://hackmd.io/c/tutorials/%2Fs%2Fhackmd-it
[Book-mode]: https://hackmd.io/c/tutorials/%2Fs%2Fhow-to-create-book
[Slide-mode]: https://hackmd.io/c/tutorials/%2Fs%2Fhow-to-create-slide-deck
[Share-Publish]: https://hackmd.io/c/tutorials/%2Fs%2Fhow-to-publish-note

- LaTeX for formulas

$$
x = {-b \pm \sqrt{b^2-4ac} \over 2a}
$$

- Code block with color and line numbers：
```javascript=16
var s = "JavaScript syntax highlighting";
alert(s);
```

- UML diagrams
```sequence
Alice->Bob: Hello Bob, how are you?
Note right of Bob: Bob thinks
Bob-->Alice: I am good thanks!
Note left of Alice: Alice responds
Alice->Bob: Where have you been?
```
- Auto-generated Table of Content
[ToC]

> Leave in-line comments! [color=#3b75c6]

- Embed YouTube Videos

{%youtube PJuNmlE74BQ %}

> Put your cursor right behind an empty bracket {} :arrow_left: and see all your choices.

- And MORE ➜ [HackMD Tutorials](https://hackmd.io/c/tutorials)



:::spoiler
- [x] **Bold**
- [ ] *Italic*
- [ ] Super^script^
- [ ] Sub~script~
- [ ] ~~Crossed~~
- [x] ==Highlight==
:::

# A reference report from Taiwan

## 今年夏天熱爆、颱風很強？鄭明典一圖曝「2大關鍵」：聖嬰現象前兆

生活中心／陳慈鈴報導

![image](https://hackmd.io/_uploads/r1VMYoaLWl.png)
>今年夏天的天氣會如何發展，持續受到關注。（示意圖／資料照）


2026年已經過去了一個月，未來[天氣](https://www.setn.com/Klist.aspx?TagID=1063)會如何發展，持續受到關注。對此，前中央[氣象](https://www.setn.com/Klist.aspx?TagID=759)局長[鄭明典](https://www.setn.com/Klist.aspx?TagID=6396)就PO圖分享，出現[聖嬰現象](https://www.setn.com/Klist.aspx?TagID=30822)的徵兆，同時也說明今年是否會直接轉成聖嬰現象，要看1項指標。

鄭明典於臉書發文，表示反聖嬰現象正在減弱中，今年會不會直接轉成聖嬰現象？關於這一點，有個不錯的指標，那就是看海面下的海水[溫度](https://www.setn.com/Klist.aspx?TagID=6616)變化。


![image](https://hackmd.io/_uploads/rkv7KspI-x.png)

鄭明典貼出一張兩個時間點的海面下水溫距平圖，位置是太平洋赤道區，右邊是東太平洋，左邊是西太平洋，垂直座標是海洋深度。上方圖是去年（2025）11月底的分析，下方圖是最近的分析。去年東太平洋赤道區，上半部的水溫比氣候平均低，相對暖海水聚集在西太平洋，這是典型反聖嬰現象的水溫分布特徵。

鄭明典表示，最近的分析，相對溫暖的海水已經明顯往東太平洋擴展，雖然還未完全浮現到海表面，但下方的**相對冷海水已經明顯消失，暖海水範圍明顯擴張，這是聖嬰現象發展的前兆**。

至於聖嬰現象會不會真的發展出來？鄭明典表示，不只要看海水溫度，還要看海面上的風場變化，兩者常常相互影響，這部分稍後再看。


此文一出，網友紛紛開始擔心，「如果聖嬰來了，夏天就慘了」、「長知識了…看樣子今年夏天會酷熱」、「這樣的發展不太好，冷的季節變短，熱的季節拉長…而且[颱風](https://www.setn.com/Klist.aspx?TagID=122)會變得更強」。

**更多新聞： [豪宅內裝曝光！驚見「室內籃球場、恆溫大酒櫃」挨批炫富　謝典霖回應了](https://www.setn.com/News.aspx?NewsID=1789626)**
**更多新聞： [【一文看懂】關鍵12分鐘音檔曝！台64線丟包學霸慘死　政大師怒揪4疑點](https://www.setn.com/News.aspx?NewsID=1788415)**
**更多新聞： [比「霸王寒流」還冷？美最新預測北台灣恐0度　鄭明典這樣看](https://www.setn.com/News.aspx?NewsID=1788508)**
**更多新聞： [舊衣如何回收？環保局解答曝「4大類＝一般垃圾」　丟錯恐噴6000元](https://www.setn.com/News.aspx?NewsID=1787666)**


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:::
