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Mesoscale Convective Systems Modulated by Convectively Coupled Equatorial Waves
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2023
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Source: Geophysical Research Letters, 50(10)
[PDF-4.44 MB]
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Journal Title:Geophysical Research Letters
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Description:Mesoscale convective systems (MCSs) produce over 50% of tropical precipitation and account for the majority of extreme rainfall and flooding events. MCSs are considered the building blocks of larger-scale convectively coupled equatorial waves (CCEWs). While CCEWs can provide favorable environments for convection, how CCEWs can systematically impact organized convection and thereby MCS characteristics is less clear. We examine this question by analyzing a global MCS tracking data set. During the active phase of CCEWs, MCS frequency increases and MCSs rain harder, produce more lifetime total rain, and grow larger in size. The probability of extreme MCSs also elevates. These changes are most pronounced when MCSs
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Source:Geophysical Research Letters, 50(10)
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DOI:
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ISSN:0094-8276;1944-8007;
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Rights Information:CC BY-NC-ND
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Compliance:Library
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