mesoscale
adjective
me·so·scale
ˈme-zə-ˌskāl 
ˈmē-,
-sə-
: of intermediate size
especially
: of or relating to a meteorological phenomenon approximately 10 to 1000 kilometers in horizontal extent
mesoscale cloud pattern
Examples of mesoscale in a Sentence
Recent Examples on the Web
Within this stalled boundary — which essentially stayed in place over the region — clusters of thunderstorms known as mesoscale convective systems (MCSs) continued to regenerate with little movement.
—
Brandi D. Addison, jsonline.com, 11 Aug. 2025
Storms initiating in eastern Montana are forecast to congeal into a mesoscale convective system and sweep across parts of the Dakotas, Wyoming, Nebraska and Iowa by Wednesday morning.
—Anna Skinner, MSNBC Newsweek, 29 July 2025
The mesoscale conductive vortex essentially spun the remnants of a tropical system, causing significant ascent or rising motion to activate that moisture into condensation and precipitation in an efficient manner, according to Shepherd.
—ABC News, 7 July 2025
The Storm Prediction Center said supercell storms, which can produce tornadoes, may develop ahead of a larger storm system known as a mesoscale convective system (MCS).
—Martha McHardy, MSNBC Newsweek, 21 June 2025
Their results revealed that the red sprites arose within the stratiform region of the mesoscale convective complex, a wide region of rain.
—Sam Walters, Discover Magazine, 19 Mar. 2025
This is also known as a mesoscale convective system when several thunderstorms merge to create a larger event.
—Hayleigh Evans, The Arizona Republic, 11 Sep. 2024
The weather service said the tornado began near Bucks just west of the Mobile River and was associated with a powerful complex of storms (a mesoscale convective system or MCS) that was moving through the area at the time.
—Leigh Morgan, al, 17 June 2023
The weather service said forecast models are suggesting a complex of storms -- referred to as a mesoscale convective system or MCS -- could develop to the northwest of Alabama later today and push into the state tonight.
—Leigh Morgan, al, 8 May 2023
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Brandi D. Addison, jsonline.com, 11 Aug. 2025
Storms initiating in eastern Montana are forecast to congeal into a mesoscale convective system and sweep across parts of the Dakotas, Wyoming, Nebraska and Iowa by Wednesday morning.
—Anna Skinner, MSNBC Newsweek, 29 July 2025
The mesoscale conductive vortex essentially spun the remnants of a tropical system, causing significant ascent or rising motion to activate that moisture into condensation and precipitation in an efficient manner, according to Shepherd.
—ABC News, 7 July 2025
The Storm Prediction Center said supercell storms, which can produce tornadoes, may develop ahead of a larger storm system known as a mesoscale convective system (MCS).
—Martha McHardy, MSNBC Newsweek, 21 June 2025
Their results revealed that the red sprites arose within the stratiform region of the mesoscale convective complex, a wide region of rain.
—Sam Walters, Discover Magazine, 19 Mar. 2025
This is also known as a mesoscale convective system when several thunderstorms merge to create a larger event.
—Hayleigh Evans, The Arizona Republic, 11 Sep. 2024
The weather service said the tornado began near Bucks just west of the Mobile River and was associated with a powerful complex of storms (a mesoscale convective system or MCS) that was moving through the area at the time.
—Leigh Morgan, al, 17 June 2023
The weather service said forecast models are suggesting a complex of storms -- referred to as a mesoscale convective system or MCS -- could develop to the northwest of Alabama later today and push into the state tonight.
—Leigh Morgan, al, 8 May 2023
Cite this Entry
“Mesoscale.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mesoscale. Accessed 20 Aug. 2025.
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