publication . Article . 2009

Relationship between Tropical Easterly Waves and Precipitation during the North American Monsoon

William C. Ladwig; David J. Stensrud;
Open Access
  • Published: 15 Jan 2009
Abstract
Abstract Relationships between tropical easterly waves (TEWs) and precipitation over Mexico and the United States are examined during the North American monsoon (NAM). The National Centers for Environmental Prediction–National Center for Atmospheric Research reanalysis data are used to identify 137 TEWs that cross Mexico north of 20°N after monsoon onset over a 31-yr period from 1975 to 2005. Mean precipitation anomalies over two-day periods both before and after TEW passage are determined using Climate Prediction Center daily precipitation analyses. Results indicate that positive precipitation anomalies occur along the west coast of Mexico and extending into th...
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free text keywords: Atmospheric Science, North American Monsoon, Atmospheric wave, Spatial distribution, Climatology, Tropics, Geology, Tropical wave, Monsoon, Surge, Precipitation
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