Synoptic analysis-satellite of heavy snow in Gilan Province (January 13, 2008)

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Shadpoor Arash; LASHKARI HASSAN

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Journal: Geography Year:2020 | Volume:17 | Issue:63 Page(s): 60-75

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Title

Synoptic analysis-satellite of heavy snow in Gilan Province (January 13, 2008)

Author(s)

Shadpoor Arash | LASHKARI HASSAN | Issue Writer Certificate

Keywords

Synoptic analysisQ2

satelliteQ2

heavy snowQ1

Gilan ProvinceQ2

Abstract

In this study we have tried to analyze synoptic-satellite occurrence of heavy snow in Gilan Province to be paid. To identify patterns of snowfall, rainfall statistics, snow depth and temperature of station daily, during the statistical period (2017-1986) from the National Weather Service provided by Weber index was above the 99th percentile my days with snow depth. The snowfall pattern of January 13, 2008, was determined for snow days in Guilan province using factor analysis (varimax). Then the composite maps of this model were synoptically analyzed and the surface temperature map and NDSI index and its snow cover were satellite analyzed. The results of this study indicate that the main cause of atmospheric disturbances and intensification of high flows of Soudar province of Guilan in this rainfall pattern is the overwhelming sea breeze and vertical upwelling and formation of pilonidal conditions in the lower layer of troposphere. The eastern part of the system is supplied by the Caspian Sea. The reason for the system's persistence in this pattern is a deep ridge with a southwest-northeast direction from Africa to the north of the Caspian Sea and the formation of an Omega type blockage over the Black Sea and Eastern Europe. So in this model the main factor of heavy snowfall in Guilan province is a phenomenon it is not large scale but the main cause of this heavy rainfall is exacerbated by sea breeze and local disturbances due to exacerbated solonidal conditions severe vertical upwelling

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APA: Copy

Shadpoor, Arash, & LASHKARI, HASSAN. (2020). Synoptic analysis-satellite of heavy snow in Gilan Province (January 13, 2008). GEOGRAPHY, 17(63 ), 60-75. SID. https://sid.ir/paper/379977/en

Vancouver: Copy

Shadpoor Arash, LASHKARI HASSAN. Synoptic analysis-satellite of heavy snow in Gilan Province (January 13, 2008). GEOGRAPHY[Internet]. 2020;17(63 ):60-75. Available from: https://sid.ir/paper/379977/en

IEEE: Copy

Arash Shadpoor, and HASSAN LASHKARI, “Synoptic analysis-satellite of heavy snow in Gilan Province (January 13, 2008),” GEOGRAPHY, vol. 17, no. 63 , pp. 60–75, 2020, [Online]. Available: https://sid.ir/paper/379977/en

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