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HOME > Monitoring and Data > Monitoring Intraseasonal Oscillations     The intraseasonal oscillations are a naturally occurring component of our coupled ocean-atmosphere system. They significantly affect the atmospheric circulation throughout the global Tropics and subtropics, and also strongly affect the wintertime jet stream and atmospheric circulation features over the North Pacific and western North America. As a result, they have an important impact on storminess and temperatures over the U.S. During the summer these oscillations have a modulating effect on hurricane activity in both the Pacific and Atlantic basins. Thus, it is very important to monitor and predict intraseasonal activity, since this activity has profound implications for weather and short-term climate variability through the year.   MJO Tutorial   MJO Index   Forecasts   Animations 3-day Animation of GOES Satellite IR 3-day Animation of Satellite H2O/500-hPa Heights (WH) 3-day Animation of Satellite H2O/500-hPa Heights (EH) 30-day Animation of IR/200-hPa Velocity Potential 30-day 200-hPa Heights 5-Day Means 200-hPa Heights and Wind Speed 500-hPA Heights and Anomalies Time-Longitude Sections Filtered OLR Anomalies (5oS-5oN,last 6 months) 200-hPa Velocity Potential (5oS-5oN,last 3 months) 850-hPa Zonal Wind Anomalies (5oS-5oN,last 3 months) NOAA/ National Weather Service National Centers for Environmental Prediction Climate Prediction Center 5200 Auth Road Camp Springs, Maryland 20746 Climate Prediction Center Web Team Page last modified: January 16, 2003 Disclaimer Privacy Policy