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2000 North Indian Ocean cyclone season
The 2000 North Indian Ocean cyclone season was fairly quiet compared to its predecessor, with all of the activity originating in the Bay of Bengal. The basin comprises the Indian Ocean north of the equator, with warnings issued by the India Meteorological Department (IMD) in New Delhi. There were six depressions throughout the year, of which five intensified into cyclonic storms – tropical cyclones with winds of 65 mph (40 km/h) sustained over 3 minutes. Two of the storms strengthened into a very severe cyclonic storm, which has winds of at least 120 km/h (75 mph), equivalent to a minimal hurricane. The Joint Typhoon Warning Center (JTWC) also tracked storms in the basin on an unofficial basis, estimating winds sustained over 1 minute.
The first storm of the season originated toward the end of March in the Bay of Bengal, one of only five March storms at the time in that body of water. Strong wind shear, which plagued several storms during the season, caused the storm to rapidly dissipate over open waters. In August, a weak depression struck the Indian state of Andhra Pradesh, producing additional flooding after a deluge affected the area in July. There were 131 deaths in Andhra Pradesh, mostly by drownings or collapsed walls, while damage was estimated at ₹7.76 billion rupees ($170 million USD). There were two short-lived storms in October – one dissipated offshore India in the middle of the month, and the other struck Bangladesh toward the end of the month. The latter storm destroyed many homes and boats, killing 77 in Bangladesh including 52 fishermen, and damage in the Indian state of Meghalaya was estimated at ₹600 million rupees ($13 million USD). The strongest storm of the season struck Tamil Nadu in November, causing damages of ₹700 million rupees ($15 million USD) and 12 deaths. The final storm of the season hit eastern Sri Lanka, leaving 500,000 homeless and killing nine.
==Season summary==
The India Meteorological Department (IMD) in New Delhi – the official Regional Specialized Meteorological Center for the northern Indian Ocean as recognized by the World Meteorological Organization – issued warnings for tropical cyclones developing in the region, using satellite imagery and surface data to assess and predict storms. The basin's activity is sub-divided between the Arabian Sea and the Bay of Bengal on opposite coasts of India, and is generally split before and after the monsoon season. Storms were also tracked on an unofficial basis by the American-based Joint Typhoon Warning Center.
The season was much less active than the devastating 1999 season. Despite near normal water temperatures over the Arabian Sea, no storms developed in that portion of the basin. Convection was also lower than normal across the Bay of Bengal. The main factor against tropical cyclogenesis was persistently unfavorable wind shear. Overall, there were six depressions, five of which intensified into a cyclonic storm, which has maximum sustained winds of at least 65 km/h (40 mph).〔
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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