37
When the first indications of day light are seen above a bank of clouds, it is called a “high dawn.” When the day breaks on or near the horizon, the first streaks of light being low down, it is called a “low dawn.” A high dawn presages wind; a low dawn fair weather.
If the Sun rises red, with blackish beams, in a haze, rain may be expected; if the western sky is red, wind.
“If red the Sun begins his race,
Be sure that rain will fall apace.”
A grey or pale yellow sunset is a sign of rain; a bright yellow sunset betokens wind.
“Evening red and morning gray
Set the traveller on his way;
Evening gray and morning red
Bring down rain upon his head.”
If the Sun sets behind a straight skirting of cloud, wind may certainly be expected, and from the point of setting.
If the Sun sets in a clear sky, with its outline sharp and of a deep salmon colour, in summer a very fine, and probably hot, day will succeed, but in winter a very sharp frost.
A red or orange sunset indicates that the following day will be fine, especially if there is much dew; but it may be windy.
If the Sun sets in thick clouds, and the E. horizon is red, purple, or coppery, rain may be expected; if in a white haze, so that its disc can scarcely be discerned, wind.
The Twilight.
If after sunset the W. sky acquires a purple cast with a haziness in the horizon, the following