Cut the Crap
“Why Cyclone Biparjoy is                     #GS-3
                        so unusual and deadly”                   #TimesOfIndia
 News            As cyclonic storm Biparjoy continues                 its
                northwards     in the    east     central Arabian sea
 journey
  the IMD           issued                      alert
                               an
                                     orange              for   Saurashtra
  and     Kutch coasts in           Gujarat
Why is   Biparjoy unusual
         Biparjoy    the     first   cyclone    in      the Arabian   sea
             year escalating from a cyclonic circulation
         this
         to      severe
                        cyclonic storm in just 4s hrs
            very
         defying earlier predictions
          It has sustained its strength                 than
                                         for a
                                               longer
            normal duration It          become the cyclone
                                   may
            with the longest
                             lifespan in the Arabian Sea
        is   this happening
Why
                   to a                                   status
       According                 study changing                       of
Tropical cyclones          in    the north Indian          ocean
cyclonic storms           over    the     Arabian    sea        are
  becoming more frequent
                         and                    severe    under
 the
       influence        of global warming
                                                                      in
Cyclones       were
                        persisting for longer periods
 the Arabian Sea                              the chances
more severe storms
                           increasing                           of
  The                    that there
        study says
 has been so increase             in    the
  duration    cyclones in               the
                of
  Arabian sea in last                    decades         with     duration
                                 four
 of     very
               severe
                         cyclones having increased          by        260
  The           indicates     a
                                  major shift      in   the patterns
        study
        cyclones in     the       North Indian Ocean Region
  of          the                 coast
  making           Gujarat
  more vulnerable to        cyclones
                        duration
Impacts   of longer                      of cyclones
             duration                   cyclone impacts the number
   Longer                of       a
   of fishing days          in        the
                                          open sea and thus
   hitting livelihoods
   The             a                    storm   remains    over the
         longer        cyclonic
    sea the more                       and   moisture it   is
                       energy                                   likely
    to accumulate This will cause more destruction
   after landfall
Changed pattern         of     cyclones over Arabian Sea
       There has been           a    52        increase      in    the number
                          in    the       Arabian Sea
        of   cyclones
                                                                  since 1982
                with      a    1501     increase       in           severe
       along                                                very             cyclones
        There has been              increase      in   the
                                                         frequency of
                                                the onset
        cyclones developing
                                       near
                                                              of
                                                              monsoon
Cyclonic activities
                          in
                               Bayof Bengal
     There has been si               decrease in
      the cyclones over
                                Bay of Bengal
                      and       duration
       Frequency                                of very
       intense   tropical       cyclones have
       reduced
                              Bayof Bengal
                   over
   The                           in                    is generally
         cyclonic activity             Bayof Bengal
                       that                           but the ratio
   higher than        of the Arabian sea
    of frequency number ofcyclones in Bayof Bengal to
    the number
                of cyclones in Arabian sea has been
    reduced             2 7    1 1982 to 20007 to 1 6 12001   2019
                from
Measures taken to minimise the               impact ofBifarjoy
    Pre disaster Measures
            Total suspension
                             of all the
           activities and
                              safe evacuation
                                      ND RF teams
           Propositioning      of
           close Monitoring
                             of the situation in Gir
          National Park
                        only known habitat of Asiatic lions
    Post disaster Measures
            Detailed                      the event
                       analysis of