Articles | Volume 10, issue 1
Earth Syst. Dynam., 10, 59–72, 2019

Special issue: The 8th EGU Leonardo Conference: From evaporation to precipitation:...

Earth Syst. Dynam., 10, 59–72, 2019

Research article 01 Feb 2019

Research article | 01 Feb 2019

Climatological moisture sources for the Western North American Monsoon through a Lagrangian approach: their influence on precipitation intensity

Paulina Ordoñez et al.

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Cited articles

Adams, D. K. and Comrie, A. C.: The North American Monsoon, B. Am. Meteorol. Soc., 78, 2197–2213,<2197:TNAM>2.0.CO;2, 1997. 
Barlow, M., Nigam, S., and Berbery, E. H.: Evolution of the North American Monsoon System, J. Climate, 11, 2238–2257,<2238:EOTNAM>2.0.CO;2, 1998. 
Berbery, E. H.: Mesoscale moisture analysis of the North American monsoon, J. Climate, 14, 121–137, 2001. 
Bieda III, S. W., Castro, C. L., Mullen, S. L., Comrie, A. C., and Pytlak, E.: The Relationship of Transient Upper-Level Troughs to Variability of the North American Monsoon Systems, J. Climate, 22, 4213–4227, 2009. 
Bohn, T. J. and Vivoni, E. R.: Process-based characterization of evapotranspiration sources over the North American monsoon region, Water Resour. Res., 52, 358–384,, 2016. 
Short summary
The identification of moisture sources for a region is of prominent importance regarding the characterization of precipitation. In this work, the moisture sources for the western North American monsoon (WNAM) region are identified; these sources are the Gulf of California, the WNAM itself, eastern Mexico and the Caribbean Sea. We find that rainfall intensity over the WNAM region is related to the amount of moisture transported from the Caribbean Sea and eastern Mexico during the preceding days.
Final-revised paper