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Mesan, an operational mesoscale analysis system
SMHI, Core Services.
SMHI, Core Services.
SMHI, Research Department, Meteorology.
2000 (English)In: Tellus. Series A, Dynamic meteorology and oceanography, ISSN 0280-6495, E-ISSN 1600-0870, Vol. 52, no 1, 2-20 p.Article in journal (Refereed) Published
Abstract [en]

A system for mesoscale analyses of selected variables has been developed. The analysed parameters are of general interest in operational weather forecasting, but normally not available from NWP systems, or available, but with a significantly lower quality than achieved by the mesoscale analysis system. A supplementary objective is to produce initial information to be used for now-casting techniques. Examples of parameters are precipitation, temperature, humidity, visibility, wind and clouds. The basis of the analysis system is the optimal interpolation technique (OI). The use of observations from automatic stations, radars and satellites have been investigated. The investigation indicates that a dense network of ordinary precipitation gauge measurements can produce more accurate analyses than more elaborate systems like radar that suffers from anomalous echoes and other errors.

Place, publisher, year, edition, pages
2000. Vol. 52, no 1, 2-20 p.
National Category
Meteorology and Atmospheric Sciences
Research subject
URN: urn:nbn:se:smhi:diva-1526DOI: 10.1034/j.1600-0870.2000.520102.xISI: 000085086500002OAI: diva2:846764
Available from: 2015-08-18 Created: 2015-08-17 Last updated: 2015-08-18Bibliographically approved

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