1. Ministry of Transport Department of Meteorology and Hydrology By Dr. San Hla Thaw Director General By Dr. San Hla Thaw Director General 11 June 2003

8. ANNUAL PERCENTAGE DEPARTURES OF MONSOON RAINFALLS DURING 1947-2000 y = -0.7421x + 1456.1 -120 -100 -80 -60 -40 -20 0 20 40 60 19401950196019701980199020002010 YEARS PERCENTAE DEPARTURRES Rainfall Departures Linear (Series1) 6 per. Mov. Avg. (Series1) MEAN

9. ANNUAL STORM FREQUENCY IN THE BAY OF BENGAL 0 2 4 6 8 10 12 14 19801982198419861988199019921994199619982000 YEARS Annual Frequency ANNUAL AVERAGE =-10.42 LOWEST FREQUENCY

10. + + + + + ++ + + + + + + + ++ + ++ + + + + + + + +++++ + + + ++ + + + + + + + + + + + + + + + + + + + ++ + + + + + + + + + + + + + + + + + + + + + + + + + ++ + + + + + + + ++ + + + ++ +++ + + ++ + + + + ++ + + + +++ + ++ + + + + + + 18751885189519051915192519351945195519651975198519952005 0 5 10 15 20 Actual5 Year Running10 Year Running + Year Frequency of Depression & Storms in the Bay of Bengal(1877-2002) Frequency