publication . Article . 2017

Impact of Madden–Julian Oscillation upon Winter Extreme Rainfall in Southern China: Observations and Predictability in CFSv2

Hong-Li Ren; Pengfei Ren;
Open Access
  • Published: 01 Sep 2017 Journal: Atmosphere, volume 8, page 192 (eissn: 2073-4433, Copyright policy)
  • Publisher: MDPI AG
Abstract
The impact of Madden–Julian oscillation (MJO) upon extreme rainfall in southern China was studied using the Real-time Multivariate MJO (RMM) index and daily precipitation data from high-resolution stations in China. The probability-distribution function (PDF) of November–March rainfall in southern China was found to be skewed toward larger (smaller) values in phases 2–3 (6–7) of MJO, during which the probability of extreme rainfall events increased (reduced) by 30–50% (20–40%) relative to all days in the same season. Physical analysis indicated that the favorable conditions for generating extreme rainfall are associated with southwesterly moisture convergence an...
Subjects
free text keywords: Climatology, Predictability, Atmospheric sciences, Precipitation, Physics, Moisture advection, Moisture convergence, Meteorology, Madden–Julian oscillation, China, Climate Forecast System, Multivariate statistics, MJO, impact, extreme rainfall, southern China, CFSv2, Meteorology. Climatology, QC851-999
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publication . Article . 2017

Impact of Madden–Julian Oscillation upon Winter Extreme Rainfall in Southern China: Observations and Predictability in CFSv2

Hong-Li Ren; Pengfei Ren;