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July 1958 Vol At all modern BAROGRAPHS Recor.ding aneroids with conlinous meteorological stations charts ; adopted for over 40 years by the French Meteorological Service. Standard equipment in the French THE PRECISION Navy. INSTRUMENTS OF THERMOGRAPHS Which can 'be combined with our barometers and hygrometers. These JULES RICHARD instruments are outstandingly sen­ sitive. provide a permanent answer HYGROGRAPHS Direct recording of air humidity on ruled charts. All types of indicators and recorders, including upper-air and dew-point instruments. SOLARIMETERS Direct reading and recording ins­ truments for measuring the intensity of solar radiation. Pyrheliogrophs. ANEMOGRAPHS All types of anemometers, including "Popillon" electro-magnetic instru­ ments for recording instantaneous wind speed at a distance. RAIN GAUGES All types of float, balance and syphon roingouges, both recording ond non·recording. upon request OFFICERS OF THE WORLD METEOROLOGICAL ORGANIZATION President ; Mr. A. VIAUT First Vice-President : Dr. M. A. F. BARNETT Second Vice-President : Prof. Dr. H. AMORIM FERREIRA EXECUTIVE COMMITTEE Mr. A. VIAUT Mr. J. L.V. MALDONADO Dr. F. , V. REICHELDERFER D r. M. A. F. BARNETT Dr. A. THOMSON Mr. A. A. SoLOTOUKH INE Prof. Dr. H. AMORIM FERREIRA Mr. L. J. DWYER Sir GRAHAM SUTTON Mr. J. RAVET Dr. A. NYBERG Mr. M. F. TAHA Mr. S. BAsu Mr. L. DE AzcARRAGA Prof. D r. J. LUGEON TECHNICAL COMMISSION PRESIDENTS REGIONAL ASSOCIATION PRESIDENTS Aerology: Dr. R. C. SuTCLIFFE Africa (I): Mr. J. RAVET Aeronautical Meteorology: Mr. A. H. NAGLE Asia (II) : Mr. S. BAsu Agricultural Meteorology : Mr. J. J. BuRGOS South America (Ill) : Bibliography and Publications : Mr. J. L. V. MALDONADO . Dr. A. V ANDENPLAS North and Central America (IV) : Climatology: Mr. R. G. VERYARD Dr: A. THOMSON Instruments and Methods of Observation : South-West Pacific (V) : Mr. A. PERLAT Mr. L. J. DWYER Maritime Meteorology : Mr. H . THOMSEN Europe (VI) : Dr. A. NYBERG Synoptic Meteorology: Mr. P. H. KUTSCHENREUTER SECRETARIAT Secretary-General: Mr. D . A. DAVIES Deputy Secretary- General : Mr. J. R. RIVET Technical Division- Chief : Dr.K. LANGLO Admin. Division- Chief : Mr. J. M. RuBIATO Investigations Section :Mr. O.M. AsH FORD Tech. Assistance Unit- Chief : Opm•ations Section : Mr. N.L.VERANNEMAN Dr. H. SEBASTIAN THE PURPOSES OF THE WORLD METEOROLOGICAL ORGANIZATION "(a) To facilitate world-wide co-operation (c) To promote standardization of meteo­ in the establishment of networks of rological observations and to ensure stations for the making of meteorolog­ the uniform publication of observ­ ical observations or other geophysical ations and statistics ; observations related to meteorology (d) To further the application of meteor­ and to promote the establishment and ology to aviation, shipping, agricul­ maintenance of meteorological centres· ture, and other human activities; and charged with the provision of meteor­ (e) To encourage research and training in ological services ; meteorology and to assist in co­ (b) To promote the establishment and ordinating the international aspects maintenance of systems for the rapid of such research and training." exchange of weather information ; From the Convention of the World Meteorological Organization, Article 2 . THE CONSTITUENT BODIES OF THE ORGAN IZATION (a) The World Meteorological Congress one of the six meteorological Regions which meets at least once every four of the world. They meet as often as years; necessary to ensure compliance with (b) The Executive Committee, which the policies of the Organization. meets at least once annually ; (d) Technical Commissions ·composed of (c) Regional Associations made up of experts in the various meteorological Members of the Organization the fields which meet at least once every networks of which lie in or extend into four years. THE SECRETARIAT The Secretariat of the Organization is located at Campagne Rigot, Avenue de la Paix, Geneva, Switzerland. W 0 R L D -M E T E 0 R 0 L 0 G I C A L 0 R G A N I Z AT I 0 N JULY 1958 VOL. VII NO. 3 THE PICTURE ON THE COVER TABLE OF CONTENTS Page One of the most spectacular achievements Tenth session of the Executive Committee 100 of the International Geophysical Year is the Meteorology and longhaul civil turbine­ establishment of over 25 meteorological powered a)rcraft operations . 104 stations on the Antarctic continent through Emergj ng needs in development of the world's the co-operative efforts .of I2 countries . The rivers . 108 observations from these stations are trans­ mitted by radio to the Antarctic ·weather WMO and hydrology . • .. 112 Central and thence to meteorological serv­ Technical Assistance Programme . 115 ices in the southern hemisphere. As a result, the synoptic weather maps being Meteorology in Ghana . 118 - prepared during the IGY of Antarctica and Observational characteristics of the jet stream 122 the surrounding oceans are undoubtedly the New building for the Central Office of the most comprehensive ever produced ; apart Deutscher Wetterdienst . 124 from their immediate operational value they will provide material for research workers Second session of Regional Association V 125 who are endeavouring to solve some of the Activities of Regional Associations . 12~ outstanding problems of Antarctic meteoro­ Activities of the Technical Commissions . 13(} logy. Collaboration with other international organi- The picture on the cover is a simplified zations . .. .. .. , . 132 ~ ersion, supplied through the good offices of News and Notes . 134 the President of WMO, Mr. Andre Viaut, Membership of WMO .... ..... .... .. , . 138 of the synoptic map for o6oo GMT on 7 J anuary rg58, the original of which was News from the WMO Secretariat . • . 13~ prepared at McMurdo Sound. The full lines Reviews .. ... .. ........ ......... ..... 142 represent the mean sea level isobars and the dashed lines are the isohypses of the 850 mb Members of the WMO . .. 145 surface. Calendar of coming events . .... : ..... ... 146 \ Vith the IGY approaching its end, many people are wondering if it will be possible to continue this magnificent example of inter­ matter will no doubt be discussed at the national collaboration in the Antarctic. important IGY meeting which opens in P roposals have already been made to this Moscow on 30 July rg58, a report on which effect by a special committee of the Inter­ will be published in the next issue of the national Council of Scientific Unions and the Bulletin. The purpose of the WMO Bulletin is to provide a summary of the work of the vVorld Meteorological Organization and of developments in international meteorology of interest to . Members of the Organization and others concerned with the application of meteorology to human activity. The WMO Bulletin is published quarterly in two separate editions: English and French. The price is I Swiss franc per copy, including postage. Annual subscriptions (4 Swiss francs) and all other correspondence about the Bulletin should be addressed to the Secretary-General, W0rld Meteorological Organization, Campagne R igot, Avenue de la Paix, Geneva. Signed contributions do not necessarily represent the views of the Organization. 99 WMO Bulletin July 1958 TENTH SESSION OF THE EXECUTIVE COMMITTEE HE tenth session of the WMO which WMO is playing such an important Executive Committee was held in part- questions regarding outer space, and T the possible extension of WMO's work in the Palais des Nations, Geneva, from the domain of hydrology. There is little 29 April to 17 May 1958, under the I could say on these subjects that would presidency of Mr. Andre Viaut. All help your deliberations, but it may interest members of the committee were you to know that an item on outer space the has now been included on the agenda of present, many being accompanied by the forthcoming session of the UN General advisers. Several other international Assembly. Some of the legal aspects ·of this organizations were represented, includ­ issue are now the subject of preliminary ing the International Civil Aviation study in the UN Secretariat. Organization, for which Mr. W. Binaghi, the As regards hydrology, the Economic and President of the Council, attended Social Council adopted last Friday a resolu­ opening meeting. The presidents of the tion which, among other things, commends Commissions for Bibliography and the report drawn up jointly by V.TMO and Publications and for SynoptiC Meteor­ the U r Secretariat, entitled A preliminary discus­ inquiry on existing hydrologic services. It ology were also present for the notes the recommendations with respect to sions · of the reports of the second the functions of the World Meteorological sessions of their commissions. Organization in the field of hydrology, and invites \'VMO to consider the report and take appropriate action thereon, bearing in Address by Mr. Dag Hammarskjold mind the discussion at the twenty-fifth session or the Economic and Social Council The Secretary-General of the United and the necessity of avoiding duplication Nations, Mr. Dag Hammarskjold, at­ with the work of the United Nations and tended one of the meetings of the the specialized agencies. Executive Committee and addressed : A later part of the same resolution requests the gathering as follows the specialized agencies and the UN services 'to keep the inter-related problem of water It is a great pleasure for me to have resources under continuous review, and, to this opportunity of addressing you. vVMO this end, to develop a programme of studies is one of the youngest of the specialized regarding such problems'. The Adrninis­ agencies within the UN family, but through trative Committee on Co-ordination, which its predecessor, the IMO, it can boast of has been meeting during the past two days a longer record of international co-opera­ in Geneva, has given special importance to tion than any in the scientific field . It has the possibilities of concerted inter-agency a .modest budget and a small staff, but it action on certain subjects within the general has an area of responsibility of universal field of water resources utilization and interest and of great importance to the development, and it has arranged for inter­ welfare of mankind.
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