Document Type : scientific-research article
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Abstract
In the present study storms of the economic, political, and human dimensions of space (with the help of satellite imagery (MODIS, after a time, and the destructive power of hurricanes, including discussions of the factors influencing the formation dynamics, thermodynamics and environmental issues, snow storm 2005 investigated. For a more detailed analysis of synoptic snow storm of Guilan, Rasht was set for the snow surface pressure patterns. To identify patterns of snowfall city of Rasht, Rasht station daily precipitation statistics for the period (2005-1995) of the weather and snowy days Rasht were prepared. Wards cluster analysis using three models for snow days, snow was Rasht. The first pattern of high pressure Balkan languages (bilingual high pressure north-west of the Caspian Sea basin, the Balkans region is affected).is). 500 hPa level winds over the region's traffic. Precipitation, snow water equivalent height mm 73 is the same as the threshold was heavy snow in Rasht. Gillan heavy snowfall in February 2005 (Feb 1383) settlement pattern in the third. Of the synoptic maps from the two tabs on February 3 and February 5 hyperbaric merged Caspian Sea are affected. 21 hours of Greenwich heavy snowfall begins February 7. The hpa 500, traffic axis lying north-east - south-west, west winds prevail. Snow covered area derived from MODIS satellite data analysis shows that over 275/2420 Kylvmrb of the province is covered by snow. Destruction of over fifty thousand units of residential, commercial, industrial, institutional, educational and hundreds of kilometers of electrical networks, a clear testament to the City is a huge snow storm, record snow in Rasht, but there is never such damages.
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