Barometer falls slowly ten or twelve hours, and more rapidly two or three hours before storm; stratus clouds with southeast wind.
Morgantown, W. Va.
Falling barometer, rising temperature and humidity, with southwest or west winds, and cirrus clouds moving from the westward.
In winter a storm usually follows a falling barometer, with south wind. If barometer falls one-tenth of an inch between 7 a. m. and 12 m., bad weather follows within thirty hours. In winter, high temperatures are generally followed by bad weather, especially if accompanied by winds varying from northwest to northeast.
Increase of humidity between 12 m. and 3 p. m. is usually followed by rain before night on same day.
Backing of wind to southward, with falling barometer, nearly always followed by bad weather.
All wavy forms of cirro-stratus are sure signs of an approaching storm. In summer, when cirrus moves from northwest or north, a storm follows within thirty-eight hours.
Mount Washington, N. H.
Falling barometer, falling temperature, and cirro-stratus clouds moving from a northerly direction. When in small quantities these clouds indicate wind, and when in large quantities rain.
Nashville, Tenn.