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Published by: WMO ; 2010
Collection(s) and Series: WMO/TD- No. 1550; WCDMP
Language(s): English
Format: Digital (Free), Hard copy (ill.)Tags: Observations ; Meteorology ; World Climate Data and Monitoring Programme (WCDMP) ; Arctic ; Northern Hemisphere ; Atlantic Ocean
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IOM Report, 67. WMO Solid precipitation measurement intercomparison : final report
The WMO Solid Precipitation Measurement Intercomparison was started in the northern hemisphere winter of 1986/87. The field work was carried out in 13 Member countries for seven years. The Intercomparison was the result of Recommendation 17 of the ninth session of the Commission for Instruments and Methods of Observation (CIMO-IX). As in previous WMO intercomparisons of rain gauges, the main objective of this test was to assess national methods of measuring solid precipitation against methods whose accuracy and reliability were known. It included past and current procedures, automated systems ...
World Meteorological Organization (WMO) ; P.Y.T. Louie ; D. Yang
Published by: WMO ; 1998The WMO Solid Precipitation Measurement Intercomparison was started in the northern hemisphere winter of 1986/87. The field work was carried out in 13 Member countries for seven years. The Intercomparison was the result of Recommendation 17 of the ninth session of the Commission for Instruments and Methods of Observation (CIMO-IX). As in previous WMO intercomparisons of rain gauges, the main objective of this test was to assess national methods of measuring solid precipitation against methods whose accuracy and reliability were known. It included past and current procedures, automated systems and new methods of observation. The experiment was designed to determine especially wind related errors, and wetting and evaporative losses in national methods of measuring solid precipitation. The aim was to derive standard methods for adjusting solid precipitation measurements and to introduce a reference method of solid precipitation measurement for general use to calibrate any type of precipitation gauge. The report is a consolidation of data and information from the most challenging intercomparison organized by WMO so far to determine the in situ performance characteristics of instruments.
Collection(s) and Series: WMO/TD- No. 872; IOM Report- No. 67
Language(s): English
Format: Digital (Free), Hard copy (ill., charts)Tags: Observations ; Precipitation ; Measure ; Northern Hemisphere ; Region II - Asia ; Region IV - North America, Central America and the Caribbean ; Region VI - Europe ; Instruments and Methods of Observation Programme (IMOP) ; IOM 67
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World Meteorological Organization (WMO) ; Christos S. Zerefos
Published by: WMO ; 1993Collection(s) and Series: WMO/TD- No. 593; GORMP- No. 34
Language(s): English
Format: Hard copy (ill., maps)Tags: Ozone ; Observations ; Northern Hemisphere ; Global Ozone Research and Monitoring Project (GORMP)
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NASA Technical Memorandum, 4145. Meteorological atlas of the Northern Hemisphere lower stratosphere for January and February 1989 during the Airborne Arctic Stratospheric Expedition
Northern Hemisphere meteorological data for the months of January and February 1989 in the lower stratosphere are shown. National Meteorological Center (NMC) data, and Total Ozone Mapping Spectrometer (TOMS) data are used to display polar stereographic projections of 100-mb temperatures, 50-mb temperatures, 50-mb geopotential heights, total ozone, and Ertel's potential vorticity (Epv) on both 400 K and 460 K isentropic surfaces. In addition, latitude/height cross sections at 10 E of balanced wind isotachs, wind vectors, potential temperature, and temperature are also shown. Horizontal traces o ...
Meteorological atlas of the Northern Hemisphere lower stratosphere for January and February 1989 during the Airborne Arctic Stratospheric Expedition
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Available online: http://hdl.handle.net/2060/19900004592
Paul A. Newman ; Leslie R. Lait ; Mark R. Schoeberl ; National Aeronautics and Space Administration (United States)
Published by: NASA ; 1989Northern Hemisphere meteorological data for the months of January and February 1989 in the lower stratosphere are shown. National Meteorological Center (NMC) data, and Total Ozone Mapping Spectrometer (TOMS) data are used to display polar stereographic projections of 100-mb temperatures, 50-mb temperatures, 50-mb geopotential heights, total ozone, and Ertel's potential vorticity (Epv) on both 400 K and 460 K isentropic surfaces. In addition, latitude/height cross sections at 10 E of balanced wind isotachs, wind vectors, potential temperature, and temperature are also shown. Horizontal traces of NASA ER-2 and DC-8 flight tracks are also included. Vertical profiles of NMC temperatures following flight paths of both aircraft are shown. In addition, vertical profiles of wind speed are contoured following the ER-2 for estimating the lateral penetration into the polar vortex, while vertical profiles of Ertel's potential vorticity are included for estimating the vertical penetration of the DC-8 into the stratosphere.
Collection(s) and Series: NASA Technical Memorandum- No. 4145
Language(s): English
Format: Digital (Free), Hard copy (ill., charts, maps)Tags: Observations ; Ozone ; Stratosphere ; Measure ; Northern Hemisphere
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Results of the WMO/CAS NWP data study and intercomparison project for forecasts for the Northern Hemisphere in 1987
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Antti Lange ; Esko Tokkola ; World Meteorological Organization (WMO)
Published by: WMO ; 1988Collection(s) and Series: WMO/TD- No. 270; WWW Technical report- No. 06
Language(s): English
Format: Hard copy (ill., maps)Tags: Short-range forecast ; Weather forecasting ; Northern Hemisphere
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