Fog Smoke.
When with hanging fog smoke rises vertically, rain follows.
Gale.
If, during the absence of wind, the surface of the sea becomes agitated by a long, rolling swell, a gale may be expected. This is well known to seamen.
General.
But the best sign of all
If soot down the chimney fall.
The dog long asleep so sound,
We know moisture is in the ground.
The guinea at night groans so loud;