warm front


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

However, a band of showers and thunderstorms working across the D.C. metro area this morning (along a warm front) has overspread thick cloud, and these early storms will consume some of that CAPE. Jeff Halverson, Washington Post, "Severe thunderstorm watch: Storms approaching D.C.’s southern suburbs," 10 May 2018 The warm front is moving north and should reach Seattle on Monday night. Seattle Times Staff, The Seattle Times, "Updates from Seattle’s snowy Monday: Rain coming as warm air moves north," 12 Feb. 2019 The first weekend of summer will start off on Saturday feeling more like the first weekend of May, as a warm front to the south causes mostly cloudy skies and showers. Gary Lessor, courant.com, "First Weekend Of Summer To Be Cloudy, Rainy," 22 June 2018 Confidence: Medium-High A LOOK AHEAD On Wednesday and Thursday, a warm front pushes through the region, followed by a cold front. Jason Samenow, Washington Post, "D.C.-area forecast: Gorgeous weather through Tuesday, then a little stormy and then hot," 25 June 2018 Another warm front lifts north into the Portland area on Friday bringing another round of showers before noon, followed by more steady rain for the afternoon. OregonLive.com, "Portland metro Thursday weather: Rain, more rain and then some rain - high near 58," 5 Apr. 2018 Following the warm front passage the temperatures will turn significantly warmer for Friday and Saturday with highs inland reaching into the 70s. Gary Lessor, courant.com, "Cloudy, Breezy, Rainy Thursday," 11 Apr. 2018 Some early snow will fall down to Cascade pass levels on Thursday, but snow levels will rise well above the passes as the warm front approaches and moves through. OregonLive.com, "Portland Wednesday weather: Too cloudy for the super blue blood moon; showers with high of 48," 31 Jan. 2018 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

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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Last Updated

13 Mar 2019

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Time Traveler for warm front

The first known use of warm front was in 1921

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More Definitions for warm front

warm front


English Language Learners Definition of warm front

: the front edge of a moving mass of warm air

More from Merriam-Webster on warm front

Rhyming Dictionary: Words that rhyme with warm front

Britannica.com: Encyclopedia article about warm front

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