A high-pressure system is an atmospheric condition that typically results in clear, stable weather.
Word in 30 Seconds
- An atmospheric area with higher pressure than its surroundings.
- Usually brings stable, clear, and sunny weather conditions.
- Commonly used in daily weather forecasts and climate reports.
Overview
- 1概要：高気圧とは、気象学において周囲の気圧よりも相対的に高い気圧を持つ大気の塊のことを指します。北半球では、中心から時計回りに風が吹き出しているのが特徴です。一般的に高気圧が張り出すと、下降気流が発生して雲が消えやすくなるため、天候は安定し晴天となることが多いです。2) 使用パターン：日常会話では「高気圧に覆われる」「高気圧が張り出す」といった言い回しが定型句として使われます。天気予報の解説において、その日の天気を決定づける主要な要因として語られるのが最も一般的です。3) 一般的な文脈：ニュースの天気予報コーナーで最も頻繁に耳にします。「移動性高気圧」や「太平洋高気圧」など、その種類によって季節ごとの天候の特徴が変わるため、日本の四季を理解する上で非常に重要な概念です。また、気圧の変化が体調に影響を与える「気象病」という文脈で、健康に関する話題として登場することもあります。4) 類語との比較：対義語は「低気圧」です。低気圧は周囲より気圧が低く、上昇気流を生んで雲を作りやすいため、雨や嵐などの悪天候をもたらします。高気圧が「晴れ」のシンボルであるのに対し、低気圧は「荒天」のシンボルとして対比されます。
Examples
今日は高気圧に覆われて良い天気だ。
everydayIt is nice weather today as we are covered by a high-pressure system.
移動性高気圧の通過により、天候が回復する見込みです。
formalThe weather is expected to recover due to the passage of a migratory high-pressure system.
高気圧が張り出してきたね。
informalA high-pressure system is extending over us, huh.
太平洋高気圧の勢力が強まると、猛暑が予想されます。
academicWhen the Pacific high-pressure system strengthens, extreme heat is expected.
Common Collocations
Common Phrases
移動性高気圧
Migratory high-pressure system
太平洋高気圧
Pacific high-pressure system
高気圧の勢力
Strength of the high-pressure system
Often Confused With
Low-pressure system. While high pressure brings clear skies, low pressure is associated with rising air, clouds, and precipitation.
Grammar Patterns
How to Use It
Usage Notes
This term is standard in both formal weather reporting and daily conversation. It is a neutral, scientific term that is widely understood by all Japanese speakers. No special politeness levels are needed when using it.
Common Mistakes
Learners sometimes confuse it with 'low pressure' (低気圧) due to similar phonetics. Another common error is using it in contexts where the weather is actually rainy, which is scientifically contradictory.
Tips
Think of clear skies for high pressure
Whenever you hear '高気圧' in a forecast, immediately associate it with sunny, stable weather. This mental shortcut helps in remembering the term's effect.
Don't confuse with low pressure
Be careful not to mix up '高気圧' (high) with '低気圧' (low). Remember that '低' is often associated with bad, rainy weather.
Importance in Japanese daily life
In Japan, weather forecasts are a daily staple, and people frequently discuss the movement of high-pressure systems. Learning this word is essential for small talk about the weather.
Word Origin
The word is a compound of '高' (high), '気' (air/atmosphere), and '圧' (pressure). It literally translates to 'high atmospheric pressure'.
Cultural Context
In Japan, the weather forecast is a vital part of daily news. Understanding terms like '高気圧' is considered basic general knowledge for navigating daily life and travel planning.
Memory Tip
High (高) = Happy (晴れ). Think: High pressure makes the sky high and clear, making everyone happy!
Frequently Asked Questions
4 questions高気圧の中心部では、上空から地上に向かって空気が沈み込む「下降気流」が発生するためです。この空気の沈み込みによって雲が消散し、空が晴れ渡るようになります。
大陸から日本付近へ次々と移動してくる高気圧のことです。春や秋に多く見られ、数日周期で天気が変わる原因となります。
一般的には高気圧の方が天気が良いです。低気圧は上昇気流を伴い雲を発生させるため、雨や曇りの日が多くなります。
必ずしもそうではありません。高気圧の縁や、季節によっては湿った空気を運んでくる場合もあり、必ずしも快晴になるとは限りません。
Test Yourself
今日は___に覆われているため、全国的に晴天となるでしょう。
晴天をもたらすのは高気圧の特徴です。
高気圧の特徴として正しいものはどれですか？
高気圧は下降気流によって雲を消すため、晴れやすくなります。
（高気圧 / 張り出し / 日本列島 / により / 晴れる）
文法的に自然な構成です。
Score: /3
Summary
A high-pressure system is an atmospheric condition that typically results in clear, stable weather.
- An atmospheric area with higher pressure than its surroundings.
- Usually brings stable, clear, and sunny weather conditions.
- Commonly used in daily weather forecasts and climate reports.
Think of clear skies for high pressure
Whenever you hear '高気圧' in a forecast, immediately associate it with sunny, stable weather. This mental shortcut helps in remembering the term's effect.
Don't confuse with low pressure
Be careful not to mix up '高気圧' (high) with '低気圧' (low). Remember that '低' is often associated with bad, rainy weather.
Importance in Japanese daily life
In Japan, weather forecasts are a daily staple, and people frequently discuss the movement of high-pressure systems. Learning this word is essential for small talk about the weather.
Examples
4 of 4今日は高気圧に覆われて良い天気だ。
It is nice weather today as we are covered by a high-pressure system.
移動性高気圧の通過により、天候が回復する見込みです。
The weather is expected to recover due to the passage of a migratory high-pressure system.
高気圧が張り出してきたね。
A high-pressure system is extending over us, huh.
太平洋高気圧の勢力が強まると、猛暑が予想されます。
When the Pacific high-pressure system strengthens, extreme heat is expected.
Related Content
Related Vocabulary
More weather words
積もる
A2To pile up (e.g., snow).
のち
A2Later; afterwards (used in weather forecasts).
近づく
A2To approach; to come near (e.g., a storm).
避ける
B1To avoid; to dodge.
氷点下
A2Below freezing point; temperature below 0 degrees Celsius.
長靴
A2Rain boots; waterproof boots worn to protect feet from rain.
穏やかな
B1Calm; mild (na-adjective).
快晴
A2Clear skies; perfectly clear and sunny weather.
快適な
A2Comfortable; pleasant (na-adjective).
涼む
B1To cool oneself; to enjoy the cool air.
