mjo - Outgoing Longwave Radiation OLR Anomalies Green duyung303 shades Anomalous convection wetness Brown shades Anomalous subsidence dryness Enhanced convection has been persistent across the eastern Indian Ocean and Maritime Continent since November with the MJO and Rossby Wave activity driving the tropical forcing further to the east Madden and Julian 1 2 discovered the most pronounced tropical intraseasonal mode of variability which is now named as MaddenJulian Oscillation MJOThe MJO strongly modulates the occurrence of many types of extreme weathers in the global tropics and midlatitudes including floods droughts heavy snow storms cold surges heat waves hurricanes and tropical storms wildfires aerosols MJOs predictability on the rise Nature Climate Change The MaddenJulian Oscillation MJO first discovered by Madden and Julian in 1971 is a prominent tropical phenomenon with a typical period of 3060 days and featured by a largescale envelope of cloud clusters and rain systems moving eastward along the equator The MaddenJulian Oscillation MJO a large storm system over the Indian Ocean and Western Pacific plays a crucial role in our ability to forecast Earths weather 24 weeks in advance Now What is the MJO and why do we care NOAA Research Fifty Years of Research on the MaddenJulian Oscillation Recent MJO Task Force Dynamical Model MJO Forecasts The US CLIVAR program instituted a MJO working group to study and develop diagnostics and metrics related to various components related to the MJO during 2006 Figure 1 Difference from average rainfall for all MJO events from 19792012 for gambarberit NovemberMarch for the eight phases described in the text The green shading denotes aboveaverage rainfall and the brown shading shows belowaverage rainfall CPC Climate Weather Linkage Madden Julian Oscillation Diversity of the MaddenJulian Oscillation Science Advances A Hovmöller diagram of the 5day running mean of outgoing longwave radiation showing the MJO Time increases from top to bottom in the figure so contours that are oriented from upperleft to lowerright represent movement from west to east MaddenJulian oscillation Wikipedia Several times a year the MJO contributes to various extreme events in the United States including Arctic air outbreaks during winter across the central and eastern portions of the country The Madden Julian Oscillation has been active so far this winter Here PDF MaddenJulian Oscillation Recent Evolution Current Status and Predictions Once SST anomalies associated with an ENSO are in place the MJO life cycle is influenced by the SST anomalies When or if an MJO develops the simplest effect during El Nino is a farther eastward movement of the convection into the central Pacific whereas during La Nina the convection anomalies barely get into the western Pacific What is the MJO and why do we care NOAA Climategov What is an MJO and how does it affect the weather Averages of all JanuaryMarch MJO events from 19792016 Green shading shows belowaverage OLR outgoing longwave radiation or heat energy values indicating more clouds and rainfall and brown shading identifies aboveaverage OLR drier and truelogs clearer skies than normal
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