ANALYZE SYNOPTICAL OF HEAVY RAINFALL 12 APRIL 2015 CITY QAZVIN

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AHMADI M.; JAFARI F.

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Journal: Geography Year:2015 | Volume:13 | Issue:44 Page(s): 221-237

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Title

ANALYZE SYNOPTICAL OF HEAVY RAINFALL 12 APRIL 2015 CITY QAZVIN

Author(s)

AHMADI M. | JAFARI F. | Issue Writer Certificate

Keywords

SYNOPTIC ANALYSISQ2

SUPER HEAVY RAINFALLQ2

LOW PRESSUREQ2

INSTABILITYQ2

CITY OF QAZVINQ1

Abstract

Super heavy rain and abnormal floods in most cases led to occurrence of unpredictable heavy flooding and every year create a lot of damage in the sector of in frastructure, construction and agriculture for our country. In this paper in order to recognizing better the Temporal and local behavior of the SUPER HEAVY RAINFALL 88mm on 12 April 2015, was paid to synoptic and thermodynamic analysis of this rain falling system in Qazvin city. First mentioned Precipitation, was detected from ground satations and then using data from the upper atmosphere and associated mapping, was analyzed SUPER HEAVY RAINFALL in Qazvin city. The results showed that exist of LOW PRESSURE with axis of north-south on half west of Iran from south Arabia till north of Iran and settling the cold high pressure on Caspian sea streching of very deep trough with axis of northeast-southwest on Turkey, Iraq, Saudi Arabia and the Red sea and located area of the study core eddy at all levels of the atmosphere on Qazvin. Topside weather at all levels that led to rising air and in stability and upward air flow for all levels of atmosphere, In addition to, Establishment located in central Asia and Siberia lead to increase INSTABILITY and create unstable atmospheric condition for the CITY OF QAZVIN. Humidity of SUPER HEAVY RAINFALL Qazvin are in levels 500 and 700 hpa of red sea and Persian Gulf. But in the levels of 850 and 1000 hpa, Arabian sea, Oman sea, Persian Gulf and Caspian sea play a major role to supply humidity for heavy rainfall.

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