Part 5 (1/2)

CONDENSATIONS.

Look for continued fair weather when: A gentle wind blows from the west, northwest, or a little south of west.

The sun sets in a cloudless sky.

The sunset is composed of light tints, inclining to red or yellow.

The sunset is followed by a glowing and slow-fading western sky.

The sun sets like a ball of fire (warmer).

The sun rises out of a gray sky.

The clouds are noticeably high for the season.

The clouds rise on the mountains.

The clouds have frequent breaks showing blue sky between.

The puffy c.u.mulus clouds show a lot of white.

The c.u.mulus clouds decrease toward nightfall.

The winter sky is mottled with a northwest wind.

The summer morning fog breaks before ten o'clock.

The dawn is low.

The blue sky has a tendency to show green near the northern horizon (colder).

The sun breaks through a departing thunderstorm and makes a rainbow.

Snow-flurries drift down a north wind (colder).

Cirrus clouds, or others, dissolve, or cirrus have tails down.

Spiders spin on the gra.s.s.

There is a moderate dew or frost.

The temperature is normal or colder than normal, other signs being right.

The sky is sown with stars.

The moon rises clear.

The wind blows down mountain ravines after nightfall.

The salt is dry, smoke ascends, birds fly high, and animals act normally.

The barometer rises slowly, or is steady at or above 30.00.

No change need be feared as the anticyclone nears, or for three days after clear conditions are established so long as the wind remains brisk from some westerly quarter. The direction of the wind, the kind of cloud, and the temperature changes are the factors to watch if you have no barometer.

Look for a change toward storms when: The west wind suddenly drops.

The west wind s.h.i.+fts to south or northeast.

The cirrus clouds appear in well-organized lines.

The cirrus clouds merge into cirro-stratus.

The sky looks like fish scales, so-called mackerel sky.

Light scud drifts across the sky from east to west.

The summer c.u.mulus clouds increase in size as the afternoon proceeds.

Walls grow damp, flies are more of a burden than usual, swallows fly low.

Smoke falls to the ground.

There have been three white frosts.

A halo appears around either the moon or sun.

When sun-dogs appear about the sun, denoting ice-particles in the air.

The summer morning is sultry and the wind variable.

The temperature is much above the normal.

Few stars are visible and those are indistinct. The clouds gather about the mountain tops, or drop down the mountain-sides.

The wind continues to blow up ravines after nightfall.

The sunset is a dull gray, or the sun sets into a livid cloudbank.

The sunrise is a fiery red, and the dawn is high.

The sun gradually is smothered in fine-textured clouds and the wind s.h.i.+fts.