04B預估可能今天就會登陸了 而他真的是小小一隻 不過JTWC的風圈幾乎等於他整個雲系大小了 |
本帖最後由 krichard2011 於 2013-11-20 14:23 編輯 正式升格Cyclonic Storm 命名Helen 上看Severe Cyclonic Storm 附上路徑圖 |
正常颱風不是要到中颱或輕颱上限才會出現風眼,04B 還未升格,為甚麼風眼已隱現? |
這種形態居然還沒升CS 從底層掃瞄來看 底層風眼算是開了 高層風眼也正在清空當中 下午應該就有機會命名了 而且上看SCS |
半夜IMD把它升個為DD(深低壓) 預估未來有機會增強回CS(氣旋風暴) Time of issue: 2230 hours IST Dated: 19-11-2013 Bulletin No.: BOB06/2013/05 Sub: Deep Depression over westcentral Bay of Bengal Pre-Cyclone Watch for south Andhra Pradesh and adjoining north Tamilnadu coasts The depression over westcentral Bay of Bengal remained practically stationary, intensified into a deep depression and lay centred at 2030 hrs IST of today, the 19thth November 2013 near latitude 15.00N and longitude 85.00E, about 550 km east-northeast of Chennai, 430 km east-southeast of Machilipatnam and 350 km south-southeast of Vishakhapatnam. The system would further intensify into a cyclonic storm during next 24 hrs. It would move west-northwestwards for some time, then west-southwestward and cross south Andhra Pradesh and adjoining north Tamil Nadu coast between Chennai and Ongole, close to Kavali around night of 21stst November 2013. Track and intensity forecasts of the system are given in the table below:
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本帖最後由 stavies 於 2013-11-19 23:24 編輯 CWB罕見給非管區的系統 給予熱帶性低氣壓的評價 |