Predicting Weather By The Moon - Xavier University Libraries
Predicting Weather By The Moon - Xavier University Libraries Predicting Weather By The Moon - Xavier University Libraries
Weather By The Moon during the day. Or that during each month there is one day near Last Quarter when the Moon doesn’t rise until after midnight and therefore into the next day, and one similar day near 1st Quarter when the Moon doesn’t set. The phases bring their own weather patterns. Cloudiness is quite influenced by small-scale local topography – ridges, bodies of water, hills and cities. But atmospherictidal effects make clouds formation predictable to some degree: the presence of clouds changing whether or not the Moon is risen or has set. For instance around a New Moon, if rain is about, as in the colder months, then we can more expect it between early evening and the following dawn, the skies being generally clearer during the day. At the beginning of its Phase cycle, if you could imagine three balls viewed from above, being the Earth, Moon and Sun, it would be as if the Moon in the middle starts to move anticlockwise away from the Sun and around the Earth. Of course the Earth is spinning all the while within the Moon’s orbit. Every time the Earth moves 360deg, the Moon moves 12deg. The following Moon shapes apply to the northern hemisphere. In the Southern Hemisphere the Moon is reversed, so just think of it the other way round. This is because to those in the north, southern hemisphere folk are standing on their heads. In the northern hemisphere the moon moves from left sky to right sky(their East to West) but E to W as viewed from the south is from right to left. 62
NEW MOON The New Moon cannot be seen during the day as the Sun’s glare is too strong, nor at night, when it is on the other side of the world. Trying to see extremely ‘young’ moons is in some places a sport in itself. The record is 14.5 hours(two English housemaids in 1916). But at any age under 24 hours the Moon is breathtakingly thin and barely brighter than the low dense sky around it. A day or two after New, the Moon appears as a thin sharp-horned crescent shape suspended above the western horizon, its cusps always pointing away from the Sun which has already set. At this stage it sets shortly after Sunset. When it is two or three days out from New Moon, it goes by the name of waxing crescent. WAXING CRESCENT. Through the Phases At this time, any cloud around breakfast time may clear by 10.00am and stay clear until early evening. In the days following, it grows,(waxes) appearing when viewed from Earth at Sunset further away toward the east. It rises a bit less than an hour later each day, and in about a week after New Moon, appears as the familiar ‘half-moon’ shape, the 1st Quarter, which is overhead at sunset. 63
- Page 11 and 12: Formation of the Moon day as the Lu
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- Page 37 and 38: Early Moon Watchers lore was Aristo
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- Page 51 and 52: MADNESS, ILL-WINDS, AND THE MOON On
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- Page 67 and 68: are more likely to be clearer from
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- Page 93 and 94: PERIGEES AND APOGEES The rising or
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NEW MOON<br />
<strong>The</strong> New <strong>Moon</strong> cannot be seen during the day as the<br />
Sun’s glare is too strong, nor at night, when it is on the<br />
other side of the world. Trying to see extremely ‘young’<br />
moons is in some places a sport in itself. <strong>The</strong> record is<br />
14.5 hours(two English housemaids in 1916). But at any<br />
age under 24 hours the <strong>Moon</strong> is breathtakingly thin and<br />
barely brighter than the low dense sky around it.<br />
A day or two after New, the <strong>Moon</strong> appears as a thin<br />
sharp-horned crescent shape suspended above the western<br />
horizon, its cusps always pointing away from the Sun which<br />
has already set. At this stage it sets shortly after Sunset.<br />
When it is two or three days out from New <strong>Moon</strong>, it<br />
goes by the name of waxing crescent.<br />
WAXING CRESCENT.<br />
Through the Phases<br />
At this time, any cloud around breakfast time may<br />
clear by 10.00am and stay clear until early evening. In the<br />
days following, it grows,(waxes) appearing when viewed<br />
from Earth at Sunset further away toward the east. It rises a<br />
bit less than an hour later each day, and in about a week<br />
after New <strong>Moon</strong>, appears as the familiar ‘half-moon’ shape,<br />
the 1st Quarter, which is overhead at sunset.<br />
63
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