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Perspectives of Meteosat third generation infrared sounder in nowcasting (CROSBI ID 614752)

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Mikuš Jurković, Petra ; Smiljanić, Ivan ; Pelajić, Izidor ; Strelec Mahović Nataša Perspectives of Meteosat third generation infrared sounder in nowcasting // 2014 EUMETSAT Meteorological Satellite Conference, Geneve, Swiss, 22-26 September 2014. 2014

Podaci o odgovornosti

Mikuš Jurković, Petra ; Smiljanić, Ivan ; Pelajić, Izidor ; Strelec Mahović Nataša

engleski

Perspectives of Meteosat third generation infrared sounder in nowcasting

Meteosat Third Generation satellites (MTG) will carry a new instrument onboard – an infrared sounder (IRS). Similar type of instrument, providing hyperspectral soundings of the atmosphere, is presently used onboard polar- orbiting satellites (e.g. METOP). However, the resolution of these data is quite different then the one expected from an instrument onboard geostationary satellite. For example, IASI (Infrared Atmospheric Sounding Interferometer) instrument provides satellite- based vertical profiles only every 12 hours for particular pixel. This sparse temporal resolution is the biggest obstacle for utilisation of present hyperspectral data for nowcasting purposes. IRS products will provide possibility to track spatial and temporal changes in the atmospheric stability with much better temporal resolution and spatial coverage than the polar satellites. In this study temperature and humidity vertical profiles are analysed for days with convective activity based on IASI data onboard Metop polar satellite. An analysis is performed for a broader Adriatic region, including Croatia, Slovenia and northern Italy, during 2012 and 2013. It is expected that IRS data will be comparable to IASI data ; therefore IASI is used to demonstrate capabilities of IRS sounder in improvement of nowcasting of severe convective activity, which is one of the most challenging tasks for operational forecasters.

MTG; IRS; IASI; convection; nowcasting; vertical profiles

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Podaci o prilogu

2014.

objavljeno

Podaci o matičnoj publikaciji

2014 EUMETSAT Meteorological Satellite Conference, Geneve, Swiss, 22-26 September 2014

Podaci o skupu

2014 EUMETSAT Meteorological Satellite Conference

poster

22.09.2014-26.09.2014

Ženeva, Švicarska

Povezanost rada

Geologija