Articles About Atmospheric Science, Meteorology, and Climatology

Geometry in the Skies

This article explores the role of geometry in atmospheric optics, examining how light interacts with raindrops and reflections to create stunning celestial phenomena such as rainbows and glories. It delves into the scientific explanations behind these optical wonders while acknowledging the aspects that defy geometric explanations.

Snowflakes and a penny - OPOD

This article explores the science and beauty behind snowflakes, discussing their molecular structure, formation process, and the factors that influence their appearance. It highlights the uniqueness and complexity of snowflakes, emphasizing their aesthetic appeal and ability to inspire wonder.

OPOD - Danube Flood?

This article explores the mesmerizing mirage of the Danube River flooding low-lying fields, created by temperature gradients and refractive properties of light. The captivating spectacle defies conventional perception and showcases the complexity and beauty of atmospheric optics.

OPOD - Rays

This article explores the captivating phenomenon of rays, visible beams of sunlight that appear to radiate from a single point in the sky, and delves into the science behind their formation and the various types that can be observed. It also offers tips on capturing the beauty of rays through photography.

Time Varying Lights - OPOD

This article explores the fascinating world of time-varying lights, from twinkling stars to neon tubes and automobile tail lights. Through techniques and insights shared in the book "A Field Guide To Time-Varying Light Sources," readers can discover the beauty and intricacy of these often unnoticed fluctuations in illumination.

Constant Optics

This article explores the concept of "constant optics" in atmospheric phenomena such as glories, halos, and rainbows, highlighting their consistent angular size and appearance regardless of distance or particle size. It delves into the mechanisms behind these optical wonders and emphasizes the importance of understanding constant optics to appreciate the beauty of natural spectacles in the sky.

Shining Mollusc Shells

This article explores the captivating colors of mollusc shells and unveils the intricate structure of nacre that creates their iridescent allure. It highlights the role of uniform microscopic ridges on the nacre surface in generating vibrant colors through multilayer interference.

STS 131 Night Shining Clouds

The article discusses the mesmerizing phenomenon of night shining clouds (NLCs) observed during the STS 131 space shuttle launch, highlighting their formation through the condensation of water vapor into ice crystals in the frigid and dry mesosphere. It explores the unique characteristics of these clouds and the atmospheric conditions that led to their formation, providing valuable insights into the dynamics of the upper atmosphere.

Athens & Halos

This article explores the mesmerizing halos observed in Athens, Greece, created by the interaction of light with ice crystals in the atmosphere. It delves into the scientific explanations behind these captivating atmospheric events and highlights the historical significance of Athens in the study of atmospheric optics.

OPOD - Arctic Fogbow

This article explores the enchanting world of Arctic Fogbows, discussing their formation and the captivating beauty of their delicate hues and complex patterns. It highlights the unique setting of the Arctic region for observing this mesmerizing atmospheric optical phenomenon.

Corona: Moon & Venus

This article explores the rare and captivating phenomenon of corona formations around celestial bodies like the Moon and Venus, with a focus on a recent sighting of a Venusian Pillar captured by Ernő Berkó in Hungary. The pillars, formed by cloud plate-shaped ice crystals reflecting the light from Venus, create a mesmerizing spectacle in the night sky and offer valuable insights into the behavior of light and the intricate workings of our atmosphere.

Pillars & Plates

This article explores the fascinating world of pillars and plates, mesmerizing atmospheric optics phenomena formed by the interaction of light with ice crystals. It delves into their formation, characteristics, and the science behind their enchanting appearance, showcasing their ethereal beauty and capturing the awe-inspiring displays of nature's magic.

Site Search and Index

This comprehensive guide explores a wide range of captivating atmospheric optics phenomena, from halos and rays to rainbows and mirages. Whether you're a sky enthusiast or simply curious about the wonders of nature, this guide provides a wealth of information on various atmospheric optics topics.

OPOD - Stockholm Sunset

This article explores the captivating phenomenon observed during a Stockholm sunset, where the lower part of the sun splits in an unexpected manner due to thermal inversion layers. It also delves into the role of atmospheric refraction and inversion layers in creating optical illusions and the flashes of green or blue that can be seen during these phenomena.

Rare for some, UK circumhorizon arc

The article discusses the rarity and beauty of a circumhorizon arc, an atmospheric phenomenon formed by sunlight passing through hexagonal plate crystals in cirrus clouds. It explains the specific conditions required for the arc to occur and highlights the limited opportunities for sightings in Northern Europe, particularly in the UK.

Circumhorizon Arc & Mount Rainier

This article explores the mesmerizing Circumhorizon Arc phenomenon that occurs in conjunction with Mount Rainier in Washington State, where sunlight interacting with ice crystals in cirrus clouds creates a vibrant arc of colors across the sky. It discusses the influence of Mount Rainier on the appearance of the arc and highlights the use of simulations to better understand its behavior.

Rippled glass caustics - OPOD

This article explores the fascinating interplay of light and surfaces, specifically focusing on the captivating world of rippled glass caustics and their unique properties. It delves into the characteristics of rippled glass and the intricacies of caustics, highlighting the contrast between lenses and the natural beauty of caustics.

Third Order Rainbow - OPOD

This article explores the rare phenomenon of the third order rainbow, including its formation, challenges in observing and capturing it, historical sightings, and techniques for distinguishing real phenomena from artifacts in photographs. The article emphasizes the need for further research and exploration to fully understand this elusive atmospheric optics spectacle.

Utah Moilanen Arc - OPOD

This article explores the mesmerizing Utah Moilanen Arc, a stunning atmospheric optics phenomenon captured in Park City, Utah. It delves into the various halo formations and enigmatic features that contribute to its breathtaking beauty.

Midwest Subsun

This article explores the mesmerizing phenomenon of subsuns, created by flat plate ice crystals reflecting the sun's rays in thin clouds at lower altitudes. The author discusses the distinctiveness of subsuns from water reflections and highlights the scientific and educational value of studying these captivating atmospheric optics.