Our monthly newsletter features a Climate Matters article, detailing a specific aspect of Washington’s weather and climate. These articles are archived here and categorized by topic area and date.
The weather of the tropics on time scales of weeks to a couple of months is related to a phenomenon known as the Madden-Julian Oscillation (MJO). The MJO modulates the distribution of deep cumulus convection, and the attendant atmospheric circulation on scales of thousands of kilometers in a band along the equator.
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