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Category Archives: Phenomena
What is a Heat Burst?
Heat bursts are sudden, usually dramatic increases in the surface temperature, often accompanied by strong winds, that sometimes occur in the vicinity of a thunderstorm. Though they are not an everyday occurrence, they are not exceptionally unusual either . . . Continue reading
Category: Phenomena
Tags Heat, Severe Weather, Summer, Temperature
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Tags Heat, Severe Weather, Summer, Temperature
Comments Off on What is a Heat Burst?
What are the Light Beams Coming from Clouds Called?
Brilliant beams of light extending from clouds are often seen during the early morning or early evening when the sun is shining. This phenomenon . . . Continue reading
How Does Hail Form?
Hail is precipitation in the form of large balls or lumps of ice. There was a storm that produced hail early last week. Hailstones begin as small ice particles that grow primarily by accretion; to grow large, they require abundant water droplets. As the hailstone moves up and down through a storm, it collides with water droplets Continue reading
What are the Northern Lights?
The northern lights, also called aurora borealis, are an evening light show seen as a diffuse glow or as overlapping curtains of greenish-white and sometimes red light. Auroras are triggered when the surface of the sun ejects a cloud of gas, called a coronal mass ejection. Continue reading
Category: Phenomena
Tags Aurora, Northern Lights, Phenomena
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Tags Aurora, Northern Lights, Phenomena
Comments Off on What are the Northern Lights?
What is Diamond Dust?
Diamond dust is a cloud composed of tiny ice crystals that forms near the ground. It is often reported under clear sky conditions and so is also known as ‘clear-sky precipitation.’
The formation of diamond dust requires . . . Continue reading
