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Barometer, failure of, 399

fine weather with low or

falling, 414

236

forecasting by single, 393
in cyclone, 39

in secondary, 45

in squalls and thunderstorms,

jumping, 164

on board ship, 415

rain with rising, 401, 403
rain with steady, 410

Barometric anomalies, 166, 401,
403

rate, 163, 395

waves, 167

Bebber v. temperature on cyclone
paths, 427

Bezold, 245

Blanford, Calcutta rain, 302

376

dependence of monsoon rains,

Blizzards, 223

66

Boen," 248

Break in the rains (India), 261, 386
Breakers, 373

British forecasts, 441

percentage of success, 448
Buchan, wind at sea, 305

hot and cold periods, 313
Bull's-eye, 135

Burst of the monsoon, 261

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Lammas floods, 315
Level of clouds, 120

of variation, 150

Ley, C., 101, 122

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cirrus stripes, 92

cloud names, 78, 84

cumulus tops and rain, 112
diurnal variation of wind, 305
wind and gradients, 187

Lightning-flash and rain, 114
Line squalls, 240

cloud vaults in, 252

with thunderstorms, 245

Local variations, 280
definition of, 51

of cloud, 282
of hailstorms, 288
of rain, 261, 281
Loomis, 93, 189, 192
Lurid sky, 61

Mackerel scales, 107
sky, 107
Mammato-cumulus, 78
Mare's tails, 28, 38, 98
Meteograms, 151, 153

interpretation of, 170

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