A Brocken spectre (German Brockengespenst), also called Brocken bow or mountain spectre, is the apparently enormous and magnified shadow of an observer, cast upon the upper surfaces of clouds opposite the sun. The phenomenon can appear on any misty mountainside or cloud bank, or even from an ...
A bishop's ring is a diffuse brown or bluish halo observed around the sun. It is typically observed after large volcanic eruptions. Most observations agree that the inner rim of the ring is whitish or bluish white and that its outside is reddish, brownish or purple. The area enclosed by the ...
Anticrepuscular rays are similar to crepuscular rays, but seen opposite the sun in the sky. Anticrepuscular rays are near-parallel, but appear to converge at the antisolar point because of linear perspective. Anticrepuscular rays are most frequently visible near sunrise or sunset. Crepuscular rays ...
Crepuscular rays (also known as God rays) in atmospheric optics, are rays of sunlight that appear to radiate from the point in the sky where the sun is located. These rays, which stream through gaps in clouds (particularly stratocumulus) or between other objects, are columns of sunlit air separated ...
The Papagayo wind is a north to northeasterly wind which periodically blows through the gap in the mountain ranges of Central America in which Lake Nicaragua is located. It is named for the Gulf of Papagayo on the Pacific coast in this region. The wind is stronger than the trade winds which ...
A Puelche wind (in Spanish, viento puelche) is a dry foehn-like eastern wind that occurs in south-central Chile. The wind owns its name from the Puelche people that inhabited the eastern slopes of the Andes. Puelche is mainly caused by South Pacific high pressure extending eastwards across the ...
A shamal [شمال, north] is a northwesterly wind blowing over Iraq and the Persian Gulf states (including Saudi Arabia and Kuwait), often strong during the day, but decreasing at night. This weather effect occurs anywhere from once to several times a year, mostly in summer but sometimes in ...
The Santa Ana winds are strong, extremely dry down-slope winds that originate inland and affect coastal Southern California and northern Baja California. Santa Ana winds blow mostly in autumn and winter, but can arise at other times of the year also. They can range from hot to cold, depending on ...
