Silver clouds are not just an art installation by Andy Warhol, these actual clouds (also called NLC or noctilucent clouds) can be usually observed in summer until the end of July. Starting late May the end of the month of July it might be possible to see silver or, as they are also called, “polar” clouds in the sky over Northern Europe, Canada and the northern regions of Russia.
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Meteorological summer and astronomical summer are two different ways of defining the summer season. Meteorological summer is defined by the three warmest months of the year in a particular region, typically June, July, and August in the northern hemisphere and December, January, and February in the southern hemisphere. This definition is based on the annual temperature cycle and is primarily used by meteorologists and climatologists for weather forecasting and climate analysis.
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In the first dates of May we will be able to watch the Eta Aquariids Starfall. The peak of its activity will be on May 6-7, but overall the shower is visible from about April 19 to about May 28 each year. It will be seen brighter in the Southern Hemisphere, although the residents of the Northern half of the Earth will also be able to watch the starfall.
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Fog is not just a simple weather phenomenon, it’s a scientific masterpiece. From the scientific point of view, fog is the accumulation of water in the air and the further formation of little condensation products of water vapor. Moreover, the lower the temperature, the more ice crystals are there in the fog instead of water drops.
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Below are common traditional names for each month’s full moon (largely from North American and European folklore). Names can vary by region, culture, and language. January — Wolf Moon (also: Old Moon, Ice Moon) February — Snow Moon (also: Hunger Moon) March — Worm Moon (also: Crow Moon, Sap Moon, Lenten Moon) April — Pink Moon (also: Sprouting Grass Moon, Egg Moon) May — Flower Moon (also: Corn Planting Moon, Milk Moon) June — Strawberry Moon (also: Rose Moon, Hot Moon) July — Buck Moon (also: Thunder Moon, Hay Moon) August — Sturgeon Moon (also: Grain Moon) September — Corn Moon (often Harvest Moon if closest to the autumn equinox) October — Hunter’s Moon (follows the Harvest Moon) November — Beaver Moon (also: Frost Moon) December — Cold Moon (also: Long Night Moon) Notes
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Lenticular clouds are one of the most beautiful natural phenomena. When you first see them in a photo, it’s hard to believe that this is a real shoot, not a photoshop. Lenticular clouds are quite rare and can be observed mainly in mountainous areas. Most often they are recorded in the United States, Kamchatka, and near Mount Fuji in Japan.
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March 20 is the day of the vernal equinox, after which the length of the day will gradually become longer than that of the night. On the equinox day the Sun will cross the celestial equator and equalize day and night. That will start an astronomical spring in the northern hemisphere.
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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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Across Iraq, Kuwait and the countries bordering the Persian Gulf, a well‑known regional wind called the Shamal can turn clear days into dusty, hazy ones. This dry northwesterly wind plays an important role in shaping the climate and dust storms of the region. Where Does the Shamal Blow? The Shamal affects:
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Across West Africa, millions of people know the arrival of a special seasonal wind: the Harmattan. This dry, dusty wind blows from the Sahara Desert toward the Atlantic Ocean, shaping the weather, the sky and daily life during the cool, dry season. When and Where Does the Harmattan Blow? The Harmattan is most common from late November to March, especially in:
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