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Author : Richard Daniel Coons
Publisher :
ISBN 13 :
Total Pages : 56 pages
Book Rating : 4.:/5 (3 download)
Download or read book Artificial Production of Precipitation written by Richard Daniel Coons and published by . This book was released on 1949 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ferguson Hall
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.0/5 ( download)
Download or read book Cloud Seeding Operations in the Bishop Creek, California Watershed written by Ferguson Hall and published by . This book was released on 1953 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cloud seeding operations using dry ice dispensed from aircraft have been carried out by the California Electric Power Co. in the High Sierra near Bishop, Calif., since February 1948. Limited visual observations suggest that snow showers can be produced from non-precipitating orographic clouds by seeding, the snow reaching the ground at the higher elevations. Comparison of the annual runoff from the seeded watershed with that from adjacent areas for the 3 years 1948, 1949, and 1950 showed a positive departure in the 1948-49 season significant at the 1 percent level. Significant departures did not appear during the other two years, but the average for the 3 years was significant at the 5 percent level. From the same analysis it might be estimated that the average annual flow during the 3-year period was augmented by 9 percent, with 90 percent confidence limits being zero and 18 percent. On the other hand the unusual circulation prevailing during the 1948-49 winter may have been responsible, at least in part, for the departure in flow during the season. Snow pack comparison did not indicate a significant increase in the Bishop area, but it is shown that such a result is not incompatible with the possibility that additional precipitation was produced which was not reflected in the snow surveys.
Author :
Publisher : Springer Science & Business Media
ISBN 13 : 3642458815
Total Pages : 1054 pages
Book Rating : 4.6/5 (424 download)
Download or read book Geophysik II / Geophysics II written by and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 1054 pages. Available in PDF, EPUB and Kindle. Book excerpt: 45 downwards because (j on the average increases with height; but this conclusion does not follow from (18.3) when the dependency of Kc upon ~o is taken into consideration. s 2 ERTELl and PRIESTLEY and SWINBANK have shown that the upward eddy flux of sensible heat must be larger than indicated by (18.3), because this formula does not account for the fact that rising eddies are systematically warmer than sinking eddies because of the effect of buoyancy. The reader is referred to the reviews by SUTTON [22], [23] and PRIESTLEY and SHEP PARD [15) for further details concerning eddy-flux of heat and turbulent diffusion. 19. RICHARDSON'S criterion. The right-hand side of (15.10) represents the rate of production of eddy energy. The last term represents energy loss by dissipation; in order that the eddy energy shall be maintained, it is therefore necessary that P div V" - (! V" v" . grad. v > O.
Author :
Publisher :
ISBN 13 :
Total Pages : 184 pages
Book Rating : 4.0/5 ( download)
Download or read book The Tornadoes at Dallas, Tex., April 2, 1957 written by and published by . This book was released on 1960 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William H. Klein
Publisher :
ISBN 13 :
Total Pages : 130 pages
Book Rating : 4.:/5 (318 download)
Download or read book Application of Synoptic Climatology and Short-range Numerical Prediction to Five-day Forecasting written by William H. Klein and published by . This book was released on 1965 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: Five-day mean and daily meteorological data observed since 1949 are analyzed empirically in order to derive useful climatological and forecasting relationships between surface weather elements and the circulation pattern. The synoptic climatology of 5-day precipitation, surface temperature, 700-1000-mb. thickness, and sea level pressure is investigated by constructing fields of simple linear correlation between these elements and the simultaneous anomaly of 700-mb. height over North American and adjacent oceans. The relation of precipitation and temperature to the field of sea level pressure is studied in a similar fashion. On the basis of the analogy are drawn concerning the association between each weather element and other meteorological factors. Schematic models are then constructed showing preferred portions of the circulation pattern at 700-mb. and sea level for opposite extremes of weather in different parts of the United States.
Author :
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.:/5 (318 download)
Download or read book Research Paper written by and published by . This book was released on 1953 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Wayne C. Palmer
Publisher :
ISBN 13 :
Total Pages : 68 pages
Book Rating : 4.0/5 ( download)
Download or read book Meteorological Drought written by Wayne C. Palmer and published by . This book was released on 1965 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: The underlying concept of the paper is that the amount of precipitation required for the near-normal operation of the established economy of an area during some stated period is dependent on the average climate of the area and on the prevailing meteorological conditions both during and preceding the month or period in question. A method for computing this required precipitation is demonstrated.
Author : United States. Weather Bureau
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (311 download)
Download or read book Research Paper - Weather Bureau written by United States. Weather Bureau and published by . This book was released on 1951 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Samuel B. Solot
Publisher :
ISBN 13 :
Total Pages : 666 pages
Book Rating : 4.F/5 ( download)
Download or read book Possibility of Long Range Precipitation Forecasting for the Hawaiian Islands written by Samuel B. Solot and published by . This book was released on 1948 with total page 666 pages. Available in PDF, EPUB and Kindle. Book excerpt: In order to establish a meteorological forecasting system, it is necessary to find a direct relationship between measurable physical states of the atmosphere and the end product, the weather element to be forecast. The long range forecaster is quite limited in his choice of physical parameters. In fact only the very large-scale dynamics of the atmosphere which can be expressed in terms of mean pressure patterns are amenable to long range analysis. Thus the problem reduces to finding a link between mean planetary pressure patterns and precipitation in the Hawaiian Islands
Author : Tetsuya Theodore Fujita
Publisher :
ISBN 13 :
Total Pages : 96 pages
Book Rating : 4.0/5 ( download)
Download or read book Mesoanalysis written by Tetsuya Theodore Fujita and published by . This book was released on 1956 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The primary purpose of this paper is to present a significant scale of meteorological events. This scale, the mesoscale, is either overlooked or intentionally ignored in much of the analysis being done today. The reason normally given for this omission is the fact that these meteorological motions are essentially 'noise' superimposed on larger-scale circulations and it is with these larger-scale circulations that most of the meteorologists' efforts (both theoretical and synoptic) have been concemed. It is our opinion, however, that this 'noise' is directly tied up with the local weather and that the meteorologist will have to despair of ever being able to predict this local weather with a satisfactory degree of confidence unless he has accurnte knowledge of what is going on in the mesometeorological scale of motion. In addition to focussing the readers attention on this scale of motion, it is also the purpose of this paper to serve as a preliminary manual for mesoanalysis. Although most of the analysis techniques have been given elsewhere (T. Fujita, 'Results of Detailed Synoptic Studies of Squall Lines', Tellus, vol. 7, No. 4, 1955, pp. 405-436), they are described fully here for completeness. Moreover, all of the ditta used in the analysis have also been reproduced in the form of station time sections. It is intended that these will serve two purposes: (1) The reader is encouraged to follow the techniques presented, perform his own mesoanalyses and compare them with the results given here, and (2) the reader will be able to interpret the sequence of events as they transpired at any station in terms of the mesosystems, developed in the analysis, which passed the station. Finally, we wish to point out that we have concerned ourselves here with analysis and not with explanation. The analyses clearly show the formation, development, movement, and dissipat ion of mesostruct ures. From this point of view the primary purpose of the paper is realized. However, there still remains the problem of explaining the life history of the mesostrnctures from a dynamical point of view"--Preface
Author : Morris Tepper
Publisher :
ISBN 13 :
Total Pages : 60 pages
Book Rating : 4.0/5 ( download)
Download or read book The Application of the Hydraulic Analogy to Certain Atmospheric Flow Problems written by Morris Tepper and published by . This book was released on 1952 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the summary, suggestions are made relative to the inclusive of the theory discussed in this paper in the day-to-day analysis of the weather. Indications are also given for the extension of the hydraulic analogy beyond the point covered in this paper.
Author : Max Adam Kohler
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.0/5 ( download)
Download or read book Predicting the Runoff from Storm Rainfall written by Max Adam Kohler and published by . This book was released on 1951 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: The estimation of the volume of runoff to be expected from a given volume of rainfall is a fundamental problem in flood forecasting. Such estimates are necessary before the unit hydrograph or other techniques can be used to predict the streamflow hydrograph. The authors describe the technique now used at the River Forecast Centers of the U.S. Weather Bureau for evaluating the effect of season, antecedent conditions, duration of rainfall and rainfall amount in determining the portion of the rainfall contributing to storm runoff. Special problems encountered in flood forecasting are emphasized. The technique, developed and tested over several years, yields a high degree of accuracy in estimated runoff. Although prepared by empirical procedures, the close agreement between relations for basins of similar hydrologic characteristics suggests that rational parameter have been adopted. The similarity between relations also simplifies the work required for their preparation.
Author : John Murray Mitchell
Publisher :
ISBN 13 :
Total Pages : 96 pages
Book Rating : 4.0/5 ( download)
Download or read book The Measurement of Secular Temperature Change in the Eastern United States written by John Murray Mitchell and published by . This book was released on 1961 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: Long series of observations at climatological stations, commonly used for estimating secular climatic change, are frequently unsuitable for such an application. The purpose of this paper is to describe and apply an optimum methodology for measuring secular changes of temperature, by use of existing monthly mean data at cooperative climatological stations, with particular reference to the eastern United States.
Author : United States. Advisory Committee on Weather Control
Publisher :
ISBN 13 :
Total Pages : 498 pages
Book Rating : 4.:/5 (31 download)
Download or read book Final Report of the Advisory Committee on Weather Control written by United States. Advisory Committee on Weather Control and published by . This book was released on 1958 with total page 498 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 438 pages
Book Rating : 4.3/5 (126 download)
Download or read book Final Report of the Advisory Committee on Weather Control written by and published by . This book was released on 1958 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Advisory Committee on Weather Control
Publisher :
ISBN 13 :
Total Pages : 436 pages
Book Rating : 4.:/5 (319 download)
Download or read book Final Report written by United States. Advisory Committee on Weather Control and published by . This book was released on 1958 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Weather Bureau
Publisher :
ISBN 13 :
Total Pages : 56 pages
Book Rating : 4.0/5 ( download)
Download or read book Three-dimensional Wind Flow and Resulting Precipitation in a Northern California Storm written by United States. Weather Bureau and published by . This book was released on 1963 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: By careful consideration of the observed winds and with the aid of various empirical and dynamics relationships, a steady-state 3-dimensional wind flow is deduced over northern California for a 24-hour stormy period. The production (or evaporation) of precipitation elements is estimated for all parts of the flow, the surviving elements are followed down to the surface, and the resulting precipitation with the observed.
