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Title: Dynamic variability examination of frontogenesis: teleconnection of fronts and flood 2010

Authors: Bilal Ahmad Munir; Hafiz Ali Imran; Iqra Ashraf

Addresses: National Weather Forecasting Unit, Aviation Division, Pakistan Meteorological Department, Islamabad, Pakistan ' Environmental Protection and Agriculture Food Production, University of Hohenheim, Stuttgart, Germany ' Institute of GIS, School of Civil and Environmental Engineering, National University of Sciences and Technology, Islamabad, Pakistan

Abstract: Approach for the detection of frontal activities with satellite imagery is proposed, based on the identification of cloud pattern, thermal gradient and water content of air masses using Meteosat-7 satellite imagery. Owing to highly variable nature of fronts, spatial shift occurring over 1.5 years are analysed. Full disc imagery of Meteosat-7 satellite is used for the analysis over vast geographical distribution of Eurasia. The study examined the fundamental characteristics of fronts and effects associated with fronts with the analysis for the flood event of 2010 in Pakistan. The results show seasonal as well as annual change in the range of lower and upper latitudinal limits of frontogenesis. Seasons of winter 2011 show an increase in speed whereas a decrease is observed in summer. The identification process has shown a frontal span over northern areas of Pakistan during flood event of 2010 accentuating the monsoonal rainfall intensity all over the country. The result of this analysis can be used to estimate the behaviour of the mid-latitudes global circulations. The anticipated outcome of this research study is the identification of abrupt nature of frontal processes.

Keywords: frontogenesis; water vapour; flood; RS; GIS.

DOI: 10.1504/IJHST.2018.088668

International Journal of Hydrology Science and Technology, 2018 Vol.8 No.1, pp.16 - 30

Available online: 11 Dec 2017 *

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