Keokuk, Iowa.
Falling barometer and cirrus clouds, with fresh easterly wind, precede rain or snow, according to season.
Key West, Fla.
“Northers,” from October to May, preceded by hazy atmosphere, easterly winds veering to southerly, cirrus, cirro-stratus, and cirro-cumulus clouds, moving slowly from the southwest and west, and finally a bank of stratus clouds in the western horizon, apparently stationary. Falling barometer, high and rising temperature and humidity.
Cyclones from July to November are preceded by northerly and easterly fresh and brisk winds, drizzling rains at intervals, for several days, low and nearly stationary barometer, steady, high temperature, dark scud flying low, with surface wind, and cirrus, cirro-stratus, and cirro-cumulus clouds above, moving slowly from the south and west. The height and action of barometer and state of weather are the most notable signs.
Rain storms prevail from May to November, are preceded by hazy, close atmosphere, average low barometer, high temperature, rising of “thunder heads” in the horizon in the direction from which rain is to be expected, with an almost imperceptible motion and an appreciable fall of barometer, several hours before storm approaches.
Knoxville, Tenn.
Barometer moves rapidly for a storm of short duration, temperature rises, wind from east-southeast, south and southwest, from eight to twenty-four hours previously, with upper clouds moving from the west, wind stronger and of greater duration, with rising rather than falling barometer. Rapid movement of cirro-stratus clouds indicates wind, but is seldom observed.
La Crosse, Wis.
Barometer falls steadily for twenty-four hours, with rising temperature, increased humidity, and cirro-stratus clouds before rain. Wind storms same as above, with addition of cirrus of great elevation moving in opposite direction to surface wind, and apparently highly electrified. Winter storms are preceded by gentle south or southwest wind, veering to north or northeast.