MJO Initiation in the Real-Time Multivariate MJO Index
نویسندگان
چکیده
منابع مشابه
The Experimental MJO Prediction Project
AMERICAN METEOROLOGICAL SOCIETY | 425 W eather prediction is typically concerned with lead times of hours to days, while seasonal-tointerannual climate prediction is concerned with lead times of months to seasons. Recently, there has been growing interest in “subseasonal” forecasts—those that have lead times on the order of weeks (e.g., Schubert et al. 2002; Waliser et al. 2003; Waliser et al. ...
متن کاملThe MJO-Kelvin wave transition
[1] As the Madden-Julian oscillation (MJO) moves eastward from the Indian to the Pacific ocean, it typically accelerates, becomes less strongly coupled to convection, and becomes more similar to a dry Kelvin wave. This transition is analyzed using observations of outgoing longwave radiation and ERA Interim reanalyses of surface pressure and 850 hPa zonal wind. Two individual example events as w...
متن کاملMJO—skeleton and conceptual models
The Madden–Julian Oscillation’s (MJO’s) “skeleton” is its fundamental features on intraseasonal/planetary scales: (i) slow eastward phase speed of roughly 5 m/s, (ii) peculiar dispersion relation with dω/dk ≈ 0, and (iii), horizontal quadrupole vortex structure. The MJO skeleton model is a minimal, nonlinear oscillator model that captures these three features together. The fundamental mechanism...
متن کاملMultiplicative MJO Forcing of ENSO
The Madden–Julian oscillation (MJO) is parameterized to study the role of the feedback it receives from sea surface temperature (SST) in its influence on El Niño–Southern Oscillation (ENSO). The parameterization describes MJO surface westerlies in terms of a few basic parameters that include amplitude, zonal propagation extent, propagation speed, and the interval between adjacent events. It is ...
متن کاملThe MJO - SSW teleconnection : interaction between MJO - forced 1 waves and the mid - latitude jet
13 The Madden Julian Oscillation (MJO) was shown to a ect both present-day Sudden Strato14 spheric Warming (SSW) events in the Arctic, and their future frequency under global 15 warming scenarios, with implications to the Arctic Oscillation and mid-latitude extreme 16 weather. This work uses a dry dynamic core model to understand the dependence of SSW 17 frequency on the amplitude and longitudi...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of Climate
سال: 2013
ISSN: 0894-8755,1520-0442
DOI: 10.1175/jcli-d-12-00074.1