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Cyclone Nisha (2008)
Cyclone Nisha (IMD designation: BOB 07, JTWC designation: 06B, also known as Cyclonic Storm Nisha) was the ninth tropical cyclone of the 2008 North Indian Ocean cyclone season, and the seventh tropical cyclone in the Bay of Bengal that year. A fairly weak tropical cyclone, it caused some notable damage in India and Sri Lanka.
==Meteorological history==
On November 24 an area of low pressure formed over land in Sri Lanka.〔(【引用サイトリンク】publisher=India Meteorological Department )〕 Later that day the Joint Typhoon Warning Center, assessed the area of low pressures chances of becoming a significant tropical cyclone within 24 hours as poor. This was due to the convection being minimal near the Low Level Circulation Center.〔(【引用サイトリンク】publisher=Joint Typhoon Warning Center )〕 The next morning the JTWC issued a Tropical Cyclone Formation Alert on the area of low pressure predicting that it would have a good chance of becoming a significant tropical cyclone within 24 hours, as the Low Level Circulation Center was now moving into the Bay of Bengal.〔(【引用サイトリンク】publisher=Joint Typhoon Warning Center )〕 Two hours later the IMD upgraded the area of low pressure to Depression BOB 07.〔(【引用サイトリンク】publisher=India Meteorological Department )〕 Three hours later the India Meteorological Department reported that the depression had intensified into a Deep Depression whilst remaining stationary.〔(【引用サイトリンク】publisher=India Meteorological Department )〕 Later that day the JTWC upgraded designated the Deep Depression as Tropical Cyclone 06B and reported that the depression had wind speeds equivalent to a tropical storm, on the Saffir Simpson Hurricane Scale.〔(【引用サイトリンク】publisher=Joint Typhoon Warning Center )〕
Early on November 26, the India Meteorological Department upgraded the deep depression to a Cyclonic Storm and named it Nisha. Later that day as Nisha moved northwest towards India, both the JTWC and the IMD reported that Nisha had reached its peak wind speeds of 55 kts (65 mph 100 km/h ) 45 knots (50 mph 85 km/h ).〔(【引用サイトリンク】publisher=Joint Typhoon Warning Center )〕 Early the next day the IMD reported that Cyclonic Storm Nisha had made landfall in Tamil Nadu, India at 0030 UTC.〔(【引用サイトリンク】publisher=India Meteorological Department )〕 Later that day as the IMD reported that Nisha had weakened into a deep depression, The JTWC issued their final advisory on Nisha.〔(【引用サイトリンク】publisher=India Meteorological Department )〕〔(【引用サイトリンク】publisher=Joint Typhoon Warning Center )〕 The IMD then reported that Nisha had weakened into a Depression and then issued their last advisory the next day as they had reported that Nisha had weakened into a well marked area of low pressure.〔(【引用サイトリンク】publisher=India Meteorological Department )〕〔(【引用サイトリンク】publisher=India Meteorological Department )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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