Ousmane Ndiaye, an adjunct research scientist at the International Research Institute for Climate and Society, will oversee all matters related to climate services in Senegal.

The World Meteorological Organization’s Commission on Climatology recognizes a Columbia climate forecaster’s scientific contributions.

Hurricane Patricia, the strongest hurricane ever observed in either the Atlantic or eastern Pacific, is expected to make landfall on the Southwest coast of Mexico this afternoon and evening as an extremely dangerous Category 5 hurricane.

If you take a look at nearly any satellite image of clouds in the tropics, you’ll notice that the clouds tend to be organized into clusters. One specific type of cloud organization called “self-aggregation.” Self-aggregation is the tendency of tropical clouds to spontaneously clump together, solely due to interactions between the clouds and the surrounding environment.