[Earth]
In order keep safe when it’s hot outside, it’s important to know how hot it really feels. Scientists created something called the Wet Bulb Globe Temperature or WBGT to measure the heat stress in the air. Imagine you have three thermometers: a regular one, a wet one, and one inside a shiny black ball.
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[Earth]
June 21st is #ShowYourStripes day, a global initiative aimed at raising awareness about climate change. The day is named after the iconic “climate stripes” graphics, which depict the warming of the earth’s surface over time using a simple color scheme, with 🟦 blue representing cooler temperatures and 🟥 red representing warmer temperatures.
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[Earth]
Meteorological Spring and Astronomical Spring are two ways of defining the start of spring, but they are based on different criteria. Meteorological Spring refers to the three calendar months of March, April, and May in the Northern Hemisphere (or September, October, and November in the Southern Hemisphere). These months are considered to be spring because they generally have milder temperatures and more rainfall than the preceding winter months, and the days start to become longer.
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[Earth]
Icy underwater bubbles are one of the most curious natural phenomena. In the Canadian province of Alberta, there is Lake Abraham, which is known among scientists and nature lovers because of an unusual phenomenon: a large number of ice bubbles that have frozen under water. These fantastic circles are actually made up of methane bubbles.
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[Earth]
In winter forecasts you may hear two very similar-sounding terms. In Russian they’re «гололёд» and «гололедица» — and they describe different kinds of ice. Glaze ice (ice on objects) This is ice that coats objects: tree branches, power lines, roofs, railings, cars. It most often forms during freezing rain/drizzle when the air temperature is around 0 °C (or slightly below) and supercooled droplets freeze immediately on contact, creating a smooth, glassy layer.
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[Earth]
What is “Indian summer” and when does it happen? Mid-autumn is the time for the “return of summer”. Though all of us understand pretty well that a couple of warm and sunny autumn weeks will soon be replaced by the first frost, we continue calling this short period as summer.
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