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IOM Report, 102. CIMO Survey on national summaries of methods and instruments for solid precipitation measurement at automatic weather stations
This publication reports on the results of the CIMO survey, initiated in 2008, on the current methods, instruments and challenges for the measurement of solid precipitation at automatic weather stations. The current survey is the third in its category. It was built on the two previous surveys that were conducted by CIMO 10 and 20 years ago. Since then, the automatic stations have been providing an increased percentage of precipitation data, snow water equivalent, and depth of snow on the ground. The CIMO, at its 14th session, initiated this review to assess the methods for measurement and obse ...
IOM Report, 103. Evaluation Scheme for Regional Instrument Centres and Other Calibration Laboratories
The calibration of instruments and the traceability of meteorological measurements to the International Standard (SI) of units are crucial to ensure the quality of meteorological observations and to meet the users’ requirements. Regional Instrument Centres (RICs) play a key role in this context, by providing calibration services to other Members of their Region. In view of the need to ensure the quality of the services provided by the RICs, and the need for strengthening of RICs, the WMO Executive Council requested CIMO to develop a mechanism for their continuous evaluation to ensure quality o ...
JCOMM Technical Report, 04. The Voluntary Observing Ships Scheme, a Framework Document
World Meteorological Organization (WMO) ; Intergovernmental Oceanographic Commission (IOC) - WMO, 2010Ships of the World Meteorological Organization (WMO) Voluntary Observing Ship (VOS) scheme have always been an important component of the global observing system of the WMO, providing meteorological and oceanographic data essential to operational meteorology, maritime safety services, and a range of marine climatological applications. More recently, it has become clear that their observations can also be of critical importance to global climate studies.
JCOMM Technical Report, 05. The Voluntary Observing Ships Scheme – A Framework Document : revision 2
JCOMM Technical Report, 51. Ship Observations Team (SOT) annual report for 2009
World Meteorological Organization (WMO) ; Intergovernmental Oceanographic Commission (IOC) - WMO, 2010 (WMO/TD-No. 1525)
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JCOMM Technical Report, 52. Eleventh International Workshop on Wave Hindcasting and Forecasting and Second Coastal Hazard Symposium
World Meteorological Organization (WMO) ; Intergovernmental Oceanographic Commission (IOC) - WMO, 2010 (WMO/TD-No. 1533)
JCOMM Technical Report, 53. The WMO-IOC Network of Regional Marine Instrument Centres (RMICS) : revision 1
World Meteorological Organization (WMO) ; Intergovernmental Oceanographic Commission (IOC) - WMO, 2010 (WMO/TD-No. 1564)
IOM Report, 97. Second WMO Regional Pyrheliometer Comparison of RA II
This report gives information about the Regional Pyrheliometer Comparison of the World Meteorological Organization (WMO) Regional Association (RA) II, held from 22 January to 2 February 2007 in Tsukuba, Japan with the participation of experts and pyrheliometers from China, Hong Kong, the Republic of Korea, Japan and the World Radiation Centre (WRC) in Davos, Switzerland.
IOM Report, 98. Sub-Regional Pyranometer Intercomparison of the RA VI members from South-Eastern Europe
This report presents the results from the SubRegional Pyranometer Intercomparison that was held for the Members of SouthEastern Europe at the kind invitation of Croatia.
IOM Report, 99. WMO Field Intercomparison of Rainfall Intensity Gauges
The WMO Field Intercomparison of Rainfall Intensity Gauges was carried out in Vigna di Valle, Italy from October 2007 to April 2009, at the kind invitation of the Italian Meteorological Service. This intercomparison is following up on the Laboratory Intercomparison of Rainfall Intensity Gauges. CIMOXIV recommended that welldefined and accepted reference instruments and procedures were needed for the field intercomparison. CIMOXIV agreed that such reference might be based on a set of high quality devices applying different measuring techniques and had adopted a recommendation to that effect. Th ...
JCOMM Technical Report, 45. Proceedings of CLIMAR III - Third JCOMM Workshop on Advances in Marine Climatology
World Meteorological Organization (WMO) ; Intergovernmental Oceanographic Commission (IOC) - WMO, 2009 (WMO/TD-No. 1445)
JCOMM Technical Report, 46. Ship Observations Team (SOT), annual report for 2008
World Meteorological Organization (WMO) ; United Nations Educational, Scientific and Cultural Organization (UNESCO); Intergovernmental Oceanographic Commission (IOC) - WMO, 2009 (WMO/TD-No. 1459)
JCOMM Technical Report, 49. Second Ice Analysts Workshop
World Meteorological Organization (WMO) ; Intergovernmental Oceanographic Commission (IOC) - WMO, 2009 (WMO/TD-No. 1517)
SP, 05. The potential role of WMO in Space Weather : a report on the potential scope, cost and benefit of a wmo activity in support of International coordination of space weather services, prepared for the sixtieth executive council
The present report addresses the possible scope, cost and benefit of initiating a WMO activity in the area of Space Weather. The expression Space Weather is used to designate processes occurring on the Sun, in the magnetosphere, ionosphere and thermosphere, which have the potential to affect the near-Earth environment. These processes occurring mainly outside of the atmosphere are not meteorological phenomena, and thus haven’t so far been considered within the mandate of WMO. However, because of their importance and possible synergy with activities under WMO’s responsibility, the issue o ...
SP, 06. Status of the availability and use of satellite data and products by WMO Members for the period 2006–2007
This document provides the results of an analysis of the responses to an edition of the biennial questionnaire that was distributed to WMO Members in early 2008 in order to assess the status of the availability and use of satellite data and products during the period 2006-2007.
WCDMP, 70. Guidelines for Plant Phenological Observations
The technical document on the guidelines for plant phenological observations raises the benefits of these types of observations in monitoring the impact of the changing climate on an important biosphere element of the climate system which is vegetation. The content of the document was elaborated by experts in climatology and biometeorology in a multidisciplinary team work approach. The guidelines included in the document are based on scientifically recognized principles and good practices undertaken by several institutions having long experience in carrying out plant phonological observations ...
IOM Report, 95. Global criteria for tracing the improvements of radiosondes over the last decades
This report represents the deliverable of the action initiated at the First Session of the Expert Team on UpperAir Systems Intercomparisons (ETUASI), Geneva, Switzerland, 2004: „To elaborate global criteria for tracing the improvements, based on previous intercomparisons and recent radiosondes development“. In the report, different approaches are identified with the objective to define these criteria, and the following method was selected as the most appropriate one: Time evolution of selected statistical parameters reported in the different IOM international radiosonde comparisons organized b ...
JCOMM Technical Report, 42. Proceedings of the OGP/JCOMM/WCRP Workshop on Climate Change and the Offshore Industry
World Meteorological Organization (WMO) ; United Nations Educational, Scientific and Cultural Organization (UNESCO); Intergovernmental Oceanographic Commission (IOC) - WMO, 2008 (WMO/TD-No. 1440)
JCOMM Technical Report, 43. Proceedings of the Ice Analysts Workshop
World Meteorological Organization (WMO) ; United Nations Educational, Scientific and Cultural Organization (UNESCO); Intergovernmental Oceanographic Commission (IOC) - WMO, 2008 (WMO/TD-No. 1441)
JCOMM Technical Report, 44. Proceeding of the (1) First JCOMM Scientific and Technical Symposium on Storm Surges; (2) Tenth Internantional Workshop on Wave Hindcasting and Forecasting and Coastal Hazard Symposium
World Meteorological Organization (WMO) ; United Nations Educational, Scientific and Cultural Organization (UNESCO); Intergovernmental Oceanographic Commission (IOC) - WMO, 2008 (WMO/TD-No. 1442)
JCOMM Technical Report, 47. JCOMM Technical Workshop on Wave Measurements from Buoys
World Meteorological Organization (WMO) ; Intergovernmental Oceanographic Commission (IOC) - WMO, 2008 (WMO/TD-No. 1466)
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