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Modulation of Cyclone tracks in the Bay of Bengal by QBO

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Title: Modulation of Cyclone tracks in the Bay of Bengal by QBO
Authors: Fadnavis, S. suvarna@tropmet.res.in, Chakraborty, T.1, Ghude, Sachin D.1, Beig, G.1, Ernest Raj, P.1
Source: Journal of Atmospheric & Solar-Terrestrial Physics. Aug2011, Vol. 73 Issue 13, p1868-1875. 8p.
Subjects: Tropical cyclones, Stratosphere, Tropopause, Monsoons, Oscillations, Geopotential height, Atmospheric pressure
Geographic Terms: Bay of Bengal
Abstract: Abstract: The possible influence of stratospheric quasi–biennial oscillation on cyclone passages in the Bay of Bengal (BOB) is examined using Indian Ocean cyclone tracking data obtained from Joint Typhoon Warning Center (JTWC) during the period 1991–2008. During this period 52 cyclones traversed the BOB. The numbers of cyclones are more during east phase (29) of QBO as compared to west phase (23) of QBO. The QBO influence is observed to be significant during easterly phase than westerly phase. The numbers of cyclone are more during post-monsoon season as compared to pre-monsoon season. In post-monsoon season, during east phase, cyclones move westward/north westward while during westerly phase they move northward/north eastward. During pre-monsoon season, cyclones move northward/north eastward irrespective of phases of QBO. The possible interaction between the stratospheric QBO and cyclone during post-monsoon season is investigated from variation of winds, geopotential height, tropopause pressure, OLR and SST. [Copyright &y& Elsevier]
Copyright of Journal of Atmospheric & Solar-Terrestrial Physics is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 63985626
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Modulation of Cyclone tracks in the Bay of Bengal by QBO
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  Data: <searchLink fieldCode="AR" term="%22Fadnavis%2C+S%2E%22">Fadnavis, S.</searchLink><i> suvarna@tropmet.res.in</i><br /><searchLink fieldCode="AR" term="%22Chakraborty%2C+T%2E%22">Chakraborty, T.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Ghude%2C+Sachin+D%2E%22">Ghude, Sachin D.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Beig%2C+G%2E%22">Beig, G.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Ernest+Raj%2C+P%2E%22">Ernest Raj, P.</searchLink><relatesTo>1</relatesTo>
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  Data: Abstract: The possible influence of stratospheric quasi–biennial oscillation on cyclone passages in the Bay of Bengal (BOB) is examined using Indian Ocean cyclone tracking data obtained from Joint Typhoon Warning Center (JTWC) during the period 1991–2008. During this period 52 cyclones traversed the BOB. The numbers of cyclones are more during east phase (29) of QBO as compared to west phase (23) of QBO. The QBO influence is observed to be significant during easterly phase than westerly phase. The numbers of cyclone are more during post-monsoon season as compared to pre-monsoon season. In post-monsoon season, during east phase, cyclones move westward/north westward while during westerly phase they move northward/north eastward. During pre-monsoon season, cyclones move northward/north eastward irrespective of phases of QBO. The possible interaction between the stratospheric QBO and cyclone during post-monsoon season is investigated from variation of winds, geopotential height, tropopause pressure, OLR and SST. [Copyright &y& Elsevier]
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  Data: <i>Copyright of Journal of Atmospheric & Solar-Terrestrial Physics is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.jastp.2011.04.014
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      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 8
        StartPage: 1868
    Subjects:
      – SubjectFull: Tropical cyclones
        Type: general
      – SubjectFull: Stratosphere
        Type: general
      – SubjectFull: Tropopause
        Type: general
      – SubjectFull: Monsoons
        Type: general
      – SubjectFull: Oscillations
        Type: general
      – SubjectFull: Geopotential height
        Type: general
      – SubjectFull: Atmospheric pressure
        Type: general
      – SubjectFull: Bay of Bengal
        Type: general
    Titles:
      – TitleFull: Modulation of Cyclone tracks in the Bay of Bengal by QBO
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            NameFull: Fadnavis, S.
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            NameFull: Chakraborty, T.
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            NameFull: Ghude, Sachin D.
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            NameFull: Beig, G.
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            NameFull: Ernest Raj, P.
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              Text: Aug2011
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              Y: 2011
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              Value: 73
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