A.
Anemometer,38-41.Aneroid barometer,23,24.Anticyclones,76.—— and pressure changes,141.—— and temperature,104-106.—— and weather,109-112.—— and wind circulation,98-100.—— form and dimensions of,96-98.—— progression of,111,112.—— tracks of,111,112.
B.
Backing winds,118.Barograph,36,37.—— records,37,38.Barometer, aneroid,23,24.—— corrections,33,34.—— mercurial,19-23,32,33.—— reduction to freezing,143,144,166,167.Barometer reduction to sea level,144,145,168-170.Buran,75,76.Buys-Ballot’s Law,99.
C.
Cherrapunjee, rainfall at,138.Clouds and upper air currents,136,137.Clouds as weather prognostics,137.—— forms and changes of,136.—— movements of,41-43,46,95,136,137.Clouds, observations of,5,9,41-43,45,46.Cold wave,62,75,76,103,106.Cold-wave forecasts,63.Correlations of weather elements,91-113.Cyclones,76.—— and pressure changes,141.—— and temperature,104-106.—— and weather,109-111,113,114.—— and wind circulation,98-100.—— form and dimensions of,96-98.—— progression of,111,112.—— tracks of,111,113.—— tropical,106.—— velocity of,112,113.
D.
Dew,134,136.—— point,30.—— —— tables,142,143,146-155.Diurnal variation of temperature,125-127.Diurnal variation of wind velocity,130.Doldrums,29.
E.
Equipment of a meteorological laboratory,186.Evaporation,29.
F.
Fahrenheit,12,13.Ferrel’s Law,93.Forecasts, cold-wave,63.—— weather,49,114-124.Franklin, Benjamin,114,115.Frost,135.—— warnings,135.
G.
Galileo,12,19.Gradients, pressure,82-85.—— temperature,64-70.—— vertical temperature,129.
H.
Humidity,29,132-134.—— diurnal variation of,133.—— relative,30,32,45,133.—— relative, and wind direction,133.—— tables,143,156-165.Hurricane,100.
I.
Inversions of temperature,129.Isobaric charts,76-82,85,95,96.Isobars,77-82,121.Isothermal charts,63,68-70.Isotherms,55-57,121.
L.
Land and sea breezes,3,131,132.Loomis,97,113.
M.
Meteorological tables,146-170.Mistral,75.Monsoons,100.Mountain and valley winds,131.
N.
Nephoscope,41-43.
O.
Observational meteorology, problems in,125-141.Observations, advanced instrumental,26-46.Observations, cloud,5,9,41-43.—— elementary instrumental,11-26.Observations, non-instrumental,1-10.Observations, rainfall,9,10,26.—— state of sky,5,9.—— temperature,1-3,25.—— wind,3-5,8,9,25.
P.
Pampero,76,104.Pascal,21.Precipitation,7,9,10,138,139.Pressure and wind direction,91-93.—— and wind velocity,93-96.—— atmospheric,19-21.—— charts,76-83.—— cyclonic variation of,140,141.—— decrease with altitude,139,140.—— diurnal variation of,140,141.—— gradient,82-85.Prevailing westerly winds,93,95,96,112,113.Psychrometer,28.—— sling,31.Purga,75.
R.
Rain, see Precipitation.—— heavy,138,139.—— gauge,15-17.Rainfall records,17,18,26.
S.
Sensible temperatures,29,30.Sirocco,103,104,133,134.Sling psychrometer,31.Smudges,135.State of sky,5,9,45.Suggestions to teachers,171.
T.
Temperature charts,58-60.—— distribution,51-63.—— diurnal range,125-127.—— forecasts,116.—— gradient,64-70.Temperature gradient, vertical,129.—— inversions,129.—— maximum and minimum,45.—— mean,43,45.—— observations,1-3,8-10,25,43,45.—— range,45,125-127.—— sensible,29,30.—— vertical distribution of,128,129.Thermograph,34-36.—— records,35,36.Thermometer,12.—— attached,33.—— maximum and minimum,26-28.—— shelter,13,14.—— wet- and dry-bulb,28,30,31.Torricelli,19,20.Trade winds,93.
V.
Veering winds,118.Vernier,33.Vertical temperature gradient,129.
W.
Water vapor,28.Weather,85-90.—— and wind direction,106-109.—— changes, sequence of,113,114.—— charts,85-90.Weather forecasts,49,114-124.—— map data,90.—— maps,47-51.—— prognostics,137.—— signs,85.—— temperate zone,88-90.—— torrid zone,88-90.Wind charts,70-75.—— direction and pressure,91-93.—— —— and relative humidity,133.—— —— and temperature,101-104.—— —— and weather,106-109.—— —— forecasts of,118.—— observations,3-5,25,40,41.—— rose,103,108,109.—— vane,15.—— velocity,3,40,41,45.—— —— and pressure,93-96.—— —— diurnal variation of,130.—— —— forecasts of,118.—— —— scale,3.Winds around cyclones and anticyclones,98-100.Winds, mountain and valley,131,132.—— prevailing westerly,93,95-96,112,113.Winds, trade,93.Woeikof,69.
END.
Transcriber’s NoteThe cover-page.jpg image was composed by the submitter and is hereby
released to the public domain.Blank pages have been deleted.Some illustrations have been moved.The footnotes have been coalesced and moved so as to follow more closely the referencing
paragraph.The publisher’s inadvertent omissions of important punctuation have been
corrected.Some wide tables have been re-formatted to narrower equivalents with some
words replaced with commonly known abbreviations and possibly a key.The table on page 44 has been flipped around a diagonal axis so that the original
column headings are now row headings.The following list indicates any additional changes made. The page number
represents that of the original publication and applies in this etext
except for footnotes and illustrations since they may have been moved.Key: {
Transcriber’s Note
The cover-page.jpg image was composed by the submitter and is hereby released to the public domain.
Blank pages have been deleted.
Some illustrations have been moved.
The footnotes have been coalesced and moved so as to follow more closely the referencing paragraph.
The publisher’s inadvertent omissions of important punctuation have been corrected.
Some wide tables have been re-formatted to narrower equivalents with some words replaced with commonly known abbreviations and possibly a key.
The table on page 44 has been flipped around a diagonal axis so that the original column headings are now row headings.
The following list indicates any additional changes made. The page number represents that of the original publication and applies in this etext except for footnotes and illustrations since they may have been moved.
Key: {
PageChange6Than {}[the] day before yesterday?62reduction of temperature{ to}[ ]from 16° to 36°.75general relation between winds and cold {wave}[waves]15947 44 42 {29}[39] 36 34 31 53162{103}[108] 97 93 90 87 83 80166{Temperature.}[°F]167{Temperature.}[°F]170
Back to start of ebook.