Page:Weather Facts and Predictions.djvu/30

 Small thin clouds high up in the E. sky before sunrise, and which soon disappear, are sure prognostics of fine weather.

A green or yellowish green sky is one of the surest signs of rain in summer and of snow in winter.

A red or yellow sky in the morning betokens wind and unsettled weather.

If the clouds move rapidly, or possess in the N.W., a leaden hue, rain may be looked for.

If at sunset the clouds begin to break up and disappear, and have their edges tinged with red or golden yellow, the weather is likely to remain fine and settled.

is an important prognostic of stormy weather, but small groups of regularly formed cirrus scattered over the sky often accompany settled fair weather. Horizontal sheets of cirrus which descend quickly, and pass into cirro-stratus, indicate, unmistakeablyunmistakably [sic], wet weather.

"When streaks of cirrus run quite across the sky in the direction in which a light wind is blowing, the wind will probably soon blow hard but in one uniform direction. There will be none of the variable squally weather which usually accompanies storms.

When fine threads of cirrus appear as if swept back at one end by a breeze prevailing in the regions in which they lie, the wind on the earth's surface may be expected to veer round to that point if then at some other point.

If the direction so foreshadowed be S.W. (whence the storms of Europe come), wind and rain will follow, and no matter how settled the weather may seem to be, a storm more or