Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
warm front
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "warm front" is correct and usable in written English.
It is typically used in meteorology to describe a boundary between warm air and cooler air, indicating a change in weather conditions. Example: "The forecast predicts that a warm front will move into the area, bringing higher temperatures and increased humidity."
✓ Grammatically correct
News & Media
Academia
Encyclopedias
Wiki
Science & Research
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
52 human-written examples
Conventional wisdom passes through like a warm front.
News & Media
However in the vicinity of the warm front and the 'bent back' warm front, rainfall was forecast to have occurred.
Science & Research
The passing of a warm front brings a rise in air temperature and clearing skies.
Encyclopedias
As a result, a warm front usually moves more slowly than a cold front.
Encyclopedias
Some showers are expected Saturday night associated with a warm front.
Academia
Scattered shows will be possible overnight into Monday as a warm front moves in.
Academia
Human-verified similar examples from authoritative sources
Similar Expressions
8 human-written examples
Readout configuration for Transition Edge Sensor (TES) electrically coupled to a low noise warm front-end via transformer is studied.
Warm-front precipitation is generally much more uniform and widespread than that associated with cold fronts.
Encyclopedias
Last year the government's Warm Front scheme insulated a home every six minutes.
News & Media
But millions of pounds available through the government's Warm Front scheme.
News & Media
Citizens Advice said it could help with applications for a Warm Front grant.
News & Media
Expert writing Tips
Best practice
When describing weather patterns, use "warm front" to clearly indicate the boundary between a mass of warm air and a retreating mass of cold air. This term is well-understood in both meteorological and general contexts.
Common error
Avoid using "warm front" to simply describe a period of warm weather. A "warm front" specifically refers to a meteorological boundary, while a "warm spell" is a general term for a period of above-average temperatures.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "warm front" functions primarily as a noun, specifically a meteorological term. It identifies a boundary zone between a warm air mass and a colder air mass. As shown by Ludwig, it's a standard term in weather reporting and scientific contexts.
Frequent in
News & Media
33%
Academia
20%
Encyclopedias
17%
Less common in
Wiki
15%
Science & Research
13%
Science
2%
Ludwig's WRAP-UP
The phrase "warm front" is a well-established term in meteorology, used to describe the boundary between a warm air mass and a retreating cold air mass. As Ludwig AI confirms, it is grammatically correct and widely used in various contexts, including news reports, academic publications, and encyclopedias. The phrase is most commonly used to inform and describe weather phenomena. Although "warm front" is the established term, alternatives like "advancing warm air mass" can be used to emphasize specific aspects. Be careful not to confuse "warm front" with a general "warm spell".
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
advancing warm air mass
Focuses on the movement and nature of the warm air, rather than the boundary.
approaching warm sector
Highlights the broader area of warm air that is moving in.
influx of warm air
Emphasizes the incoming flow of warm air.
warm air advection
Uses the technical term for the horizontal transport of warm air.
temperature increase due to advancing air mass
Explains the effect of the warm front in terms of temperature change.
boundary of warmer air
A more general term describing the demarcation between air masses.
transition to warmer conditions
Focuses on the change in weather as the warm front passes.
shift to a warmer air mass
Highlights the change from one air mass to another.
warm frontal system
Describes the broader weather system associated with the warm front.
rising temperatures associated with a front
Details the temperature rise and its relationship to a weather front.
FAQs
How does a "warm front" affect the weather?
A "warm front" typically brings a gradual increase in temperature and is often associated with widespread cloud cover and precipitation. After the front passes, temperatures usually rise, and skies tend to clear.
What is the difference between a "warm front" and a "cold front"?
A "warm front" is a boundary where a mass of warm air is replacing a mass of cold air, whereas a "cold front" is a boundary where a mass of cold air is replacing a mass of warm air. The passage of each front brings different weather patterns.
What are some signs that a "warm front" is approaching?
Signs of an approaching "warm front" include a gradual increase in cloud cover, often starting with cirrus clouds, followed by altostratus clouds. There is also a tendency for gradually increasing precipitation as the front nears.
Are there alternatives to using the phrase "warm front"?
While "warm front" is the most precise term, you could use alternatives such as "advancing warm air mass" or "influx of warm air" depending on the specific aspect you want to emphasize.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested