Page:Handbook of Meteorology.djvu/305

 Temperature, anomalies of, 187

— effects on civilization, 37

— inversion of, 26

— maxima and minima, 34

— mean annual, 31

— mean seasonal, 31

— normals, 33, 34, 35

— ranges, 33, 34

— records, New York City, 33

— — Cooperstown, N. Y., 33

Thermograph, 190

— high air, 192

Thermometer, adjustment of, 184

— black-bulb, 192

— construction of, 179

— graduation of, 180

— maxmium, 183

— miminum, 185

— shelter for, 186

— Six’s pattern, 189

— standard, 181

Thunder, causes of, 114

Thunder-storms, 112

— and cumulo-nimbus clouds, 114

— forecasts of, 118

— Humphreys quoted, 113

— occurrence of, 117

— pressure waves, 117, 118

Tornado, 158

— prevalence, 162

— regions of frequency, 162

Trade Winds, 50

Troposphere, 27

Turbulence, atmospheric, 69, 135

Updraughts, 58

Velo cloud, 71, 140

Vesuvius, eruption, 83

Visibility, atmospheric, 133

— factors of observation, 134

— forecasts of, 144

Warmth, diffusion of, 24

Washoe Zephyr, 55

Waterspouts, 163

Water vapor of the air, 5, 9, 214

Weather folklore, 167

Weather folklore, annual indications, 173

— — barometer indications, 167, 169

— — cloud indications, 172

— — humidity indications, 170

— — plant indications, 172

— forecasts, 164

— information, 147

— map, daily, 146

West Indian hurricanes, 101

Wet-bulb thermometer, 215

Whipple quoted, 47

Whirling table, 217

Whirlwinds, desert, 163

White squalls, 163

Wind direction, 234

— recording, 241

— velocity, measurement of, 56, 237

Winds, Atlantic Ocean, 53

— Pacific coast, 56

— United States, 51

— Prevaling Westerlies, 35

Winslow, C.-E. A. quoted, 63

Winter storms, 101

Xenon, 6

Zero, absolute, 178

— Centigrade, 178

— Fahrenheit, 178

— Reaumer, 178

Zones, climatic, 24

— light, 24

Reference Tables

C. G. S. units, 253

Electricity, units of, 255

Magnetism, units of, 255

TABLES

1.


 * Atmospheric equivalents, 260


 * Capacity equivalents, 259


 * Cubic equivalents, 259


 * Linear equivalents, 258


 * Miscellaneous equivalents, 261


 * Precipitation equivalents, 260