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Research briefs | CLEX

Research brief: The importance of humidity in heat stress

The key measures are the “Wet Bulb Globe Temperature” often used to screen for dangerous heat at sporting events and in workplaces, the “Wet Bulb Temperature” beloved of weather geeks, and “Apparent Temperature” quoted to the public by weather services. The bottom line is that the closer we are pushed to our physiological limits by extreme heat, the more important humidity becomes.

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Research brief: Ice particle numbers plummet in Southern Ocean’s clouds

In 2016, Centre of Excellence for Climate Extremes researchers and colleagues measured Southern Ocean INPs for the first time in over four decades. The numbers of these particles were extremely low compared to other oceans and 100 times lower than the previous Southern Ocean measurement program conducted in the 1970s.

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Research brief: Magnetic Suppression of Zonal Flows on a Beta Plane

One of the most striking features of Jupiter –-a gaseous giant with no solid surface– is the coloured bands encircling the planet. These bands are strong zonal jets that flow in Jupiter’s atmosphere, similar in a way to the jets in Earth’s atmosphere. Until recently, we had almost no direct observations beneath Jupiter’s clouds.

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Research brief: Influence of the Madden-Julian oscillation on Costa Rican mid-summer drought timing

The Central American mid‐summer drought (MSD) is the decline in rainfall during the middle of the wet season over Central America, which has been shown to have strong effects on agriculture and bushfires in Costa Rica. The Madden–Julian oscillation (MJO) has been shown to influence Costa Rican rainfall on intra‐seasonal time scales, and therefore may be important to the MSD. This research aims to find the connection between the MJO and MSD.

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