TRMM precipitation bias in extreme storms in South America

作者: Kristen L. Rasmussen , Stella L. Choi , Manuel D. Zuluaga , Robert A. Houze

DOI: 10.1002/GRL.50651

关键词:

摘要: [1] Deep convective storms in subtropical South America are some of the most intense world, and hydrological cycle plays an important role both tropical America. Recent studies have suggested that Tropical Rainfall Measuring Mission (TRMM) precipitation radar algorithm significantly underestimates surface rainfall deep convection over land. This study investigates range rain bias containing four different types extreme echoes: cores, wide broad stratiform regions Storms with cores show greatest underestimation, is unrelated to their echo top height. The relates top, indicating significant mixed phase ice hydrometeors similarly affected by assumptions TRMM algorithm. relationship between storm type remains similar regions.

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