warm front

noun

Definition of warm front 

: an advancing edge of a warm air mass

Examples of warm front in a Sentence

An approaching warm front often means that rain is coming.

Recent Examples on the Web

On the mountains, snow levels will climb to around 5,000 feet with the warm front Wednesday night, but then drop to 4,000-4,500 with the cold front on Thursday. Rosemarie Stein | The Oregonian/oregonlive, OregonLive.com, "Portland Wednesday weather: Partly cloudy with chance of a shower after 4 p.m.; high of 59," 7 Mar. 2018 As the warm front gets closer this afternoon and evening, there could be a few thunderstorms moving through, especially in southern portions of the state. Gary Lessor, courant.com, "First Weekend Of Summer To Be Cloudy, Rainy," 22 June 2018 The spring-like temperatures won’t last long as a cold front comes in right behind the departing warm front and will spread heavier rain from the coast inland by Wednesday evening. OregonLive.com, "Portland Wednesday weather: Showers begin late morning, high near 58; dangerous waves for the coast," 17 Jan. 2018 High pressure will bring some sunshine Wednesday morning, but a warm front across western Pennsylvania will cause thickening afternoon clouds. Hartford Courant, courant.com, "Sunshine Gives Way To Shower, Thunderstorms Wednesday Night," 26 June 2018 At some point in the late morning or early afternoon, a warm front passes through the area, pushing temperatures into the mid-70s. Greg Porter, Washington Post, "PM Update: Moderate to heavy rain redevelops overnight. Drying out a bit by Saturday afternoon.," 18 May 2018 Saturday highs head for the mid-80s to near 90 as the warm front moves well to our north. Dan Stillman, Washington Post, "D.C.-area forecast: Beautiful today; warmer tomorrow with late-day t’storm threat," 9 May 2018 The warm front will shift north of the region on Friday, bringing morning clouds and possible showers. Hartford Courant, courant.com, "A Shower Or Two Possible Thursday," 30 May 2018 Temperatures could reach 76 on Thursday and will stay high until Saturday, but wind will accompany the warm front, the National Weather Service said. Sarah Brookbank, Cincinnati.com, "Cincy weather: Windy, balmy, stormy, then snowy," 12 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'warm front.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of warm front

1921, in the meaning defined above

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9 Oct 2018

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The first known use of warm front was in 1921

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More Definitions for warm front

warm front

noun

English Language Learners Definition of warm front

: the front edge of a moving mass of warm air

More from Merriam-Webster on warm front

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