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Clear Sky Charts (called clocks until February 29, 2008) are web graphics which deliver weather forecasts designed specifically for astronomers. They forecast the cloud cover , transparency and astronomical seeing , parameters which are not forecast by civil or aviation forecasts. [ 1 ]
On the other hand, Africa, the Middle East and Australia are dominated by clear skies due to their continentality and aridity. [ 8 ] On a regional scale, some exceptionally humid areas of Earth experience cloudy conditions virtually all time such as South America's Amazon Rainforest while some highly arid areas experience clear-sky conditions ...
Sky conditions are estimated in terms of how many eighths of the sky are covered in cloud, ranging from 0 oktas (completely clear sky) through to 8 oktas (completely overcast). In addition, in the SYNOP code there is an extra cloud cover indicator '9' indicating that the sky is totally obscured (i.e. hidden from view), usually due to dense fog ...
If the weather is favourable and clear with fewer clouds, one may see the comet in the night sky right of the north star. People may still need binoculars or a telescope to view the comet.
A sky chart showing the location of Comet C/2022 E3 (ZTF) throughout January. (NASA) The easiest time to see the comet will be during the second weekend of February as it passes incredibly close ...
Today, Venus is referred to as the "Christmas Star" because it will be the brightest object in the sky, besides the moon and sun, Throop said. PHOTO: Starry sky (Picture Alliance/DPA via Getty Images)
Data extrapolation, including development or dissipation, can be used to find the likely location of a moving weather system. The intensity of rainfall from a particular cloud or group of clouds can be estimated, giving a very good indication as to whether to expect flooding, the swelling of a river etc. Depending on the area of built-up space, drainage and land-use in general, a forecast ...
Fortunately, we can find clarity simply by looking up at the sky. The daily earth horoscope offers a key to the chaos that clouds our lives with a glance at the transits of the moment. The Sky ...