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A28    SCIENCE
                Monday 17 SepteMber 2018
            2 storms, Florence and Mangkhut, different as water and wind




            By SETH BORENSTEIN                                                                                                  Economics also play a role
             AP Science Writer                                                                                                  in  a  storm's  impact.  As  a
            WASHINGTON  (AP)  —  Na-                                                                                            developing  country,  the
            ture  expresses  its  fury  in                                                                                      Philippines  is  much  poor-
            sundry  ways.  Two  deadly                                                                                          er  than  the  southeastern
            storms  —  Hurricane  Flor-                                                                                         United States, which means
            ence and Typhoon Mang-                                                                                              houses tend to be less stur-
            khut  —  roared  ashore  on                                                                                         dy and first responders less
            the same day, half a world                                                                                          well   equipped,   among
            apart,  but  the  way  they                                                                                         other  factors.  This  is  one
            spread  devastation  was                                                                                            reason  why,  when  disaster
            as  different  as  water  and                                                                                       does strike, the effects can
            wind.                                                                                                               be  devastating.  In  2013,
            Storms  in  the  western  Pa-                                                                                       one  of  the  most  powerful
            cific  generally  hit  with                                                                                         storms on record, Typhoon
            much  higher  winds  and                                                                                            Haiyan , killed 7,300 people
            the people who live in their                                                                                        and displaced more than 5
            way  are  often  poorer  and                                                                                        million when it swept across
            more vulnerable, Princeton                                                                                          the  islands  of  the  central
            University hurricane and cli-                                                                                       Philippines.  Straddling  the
            mate scientist Gabriel Vec-                                                                                         famous Pacific Ring of Fire,
            chi said Saturday. That will                                                                                        the  Philippines  is  also  be-
            likely determine the type of                                                                                        deviled  by  volcanoes  and
            destruction.                                                                                                        earthquakes,  and  while
            Mangkhut  made  landfall                                                                                            there   are   considerable
            Friday  on  the  northeastern                                                                                       patches of poverty in North
            tip  of  Luzon  island  in  the                                                                                     and South Carolina, it is not
            Philippines  with  top-of-the-  In this Saturday, Sept. 15, 2018, file photo, a resident walks beside a toppled basketball court af-  the same as the rural area
            scale  Category  5  winds    ter Typhoon Mangkhut barreled across Tuguegarao city, Cagayan province, northeastern Philip-  where Mangkhut hit.
            of  165  mph.  Florence  had   pines.                                                                               Munich  Re's  Rauch  said
            weakened to a Category 1                                                                           Associated Press   about  30  to  50  percent  of
            storm with 90 mph winds by                                                                                          storm damage is usually in-
            the time it arrived at North  densely  populated  south-  how long they last, accord-  ence  in  the  storms.  Mang-  sured  in  the  United  States
            Carolina's coast.            east  coast  of  China,  it  is  ing  to  more  than  65  years  khut  formed  further  south  but often less than 10 per-
            Yet a day after landfall the  likely to cause more death  of storm data .              and  stayed  south  —  over  cent  in  developing  coun-
            faster-moving    Mangkhut  and  destruction.  But  wa-    So far this year there have  warmer  water.  Florence  tries,  meaning  nine-tenths
            was  back  out  over  open  tery  Florence's  insured  los-  been  23  named  storms  in  was out of the tropics when  of  the  people  hit  will  end
            water  —  weakened,  but  es  total  will  eventually  be  the  western  Pacific  and  it hit land.                 up  shouldering  a  bigger
            headed  across  the  South  higher,  Ernst  Rauch,  head  10 in the Atlantic, both re-  Because  of  that,  Florence  economic burden.
            China  Sea  toward  China.  of climate research for the  gions more than 30 percent  was weakened by the dry  In  the  United  States,  "you
            Florence,  meanwhile,  was  world's largest reinsurer Mu-  busier than average years.  air and upper level winds of  can't  move  houses,  but
            still  plodding  across  South  nich  Re,  told  German  me-  Hurricanes  and  typhoons  the higher latitudes. Not so  people  can  move  out  of
            Carolina  at  a  pace  slow-  dia.                        are the same type of storm;  the  more  southerly  Mang-  the way," reflecting mount-
            er  than  a  normal  person  That's  because  of  a  com-  both are tropical cyclones,  khut, which Maue said, "es-  ing  damages  from  storms
            walks.  By  Saturday  morn-  bination of geography, cli-  but those that occur in the  sentially had a perfect en-  and  often  lower  losses  in
            ing, it had already dumped  matic  conditions  and  hu-   Pacific west of the Interna-  vironment  to  intensify  to  a  life, Vecchi said.
            more  than  30  inches  (76  man factors.                 tional Date Line are called  Category 5 and stay there."  As  the  world  warms  from
            centimeters)  of  rain,  a  re-  The  western  Pacific  has  typhoons.                 "Mangkhut  and  Florence  the  burning  of  fossil  fuels,
            cord for North Carolina.     two-and-a-half  times  more  The  water  in  the  western  are  certainly  different  ani-  the  globe  will  see  both
            Experts say Mangkhut may  storms that reach the mini-     Pacific  is  warmer,  and  mals,"  said  Colorado  State  more  extremely  intense
            well  end  up  being  the  mum hurricane strength of  warm  water  fuels  storms.  University      hurricane   re-  storms  like  Mangkhut  and
            deadlier storm. As of Satur-  74  mph.  It  has  three-and-  There  are  also  only  a  few  searcher Phil Klotzbach. Be-  wetter storms like Florence,
            day  afternoon,  the  death  a-half  times  more  storms  pieces of land to get in the  cause Florence is moving so  Vecchi said.q
            count  in  the  Philippines  that reach major hurricane  way  and  weaken  them,  slowly, he said, it will dump
            was a bit higher, although  strength  of  111  mph,  and  said University of Miami hur-  more  rain  than  Mangkhut,
            still far below that of other  three times more accumu-   ricane researcher Brian Mc-  which is named for the Thai
            storms  that  have  hit  the  lated  energy  out  of  those  Noldy.                    word  for  the  mangosteen
            disaster-prone  island  na-  hurricanes,  an  index  that  "If  we  are  ever  going  to  fruit.
            tion.  And  with  Mangkhut  measures  not  just  strength  have  a  Category  6  (a  Both  storms  have  lasted  a
            now  headed  toward  the  and  number  of  storms  but  speculated-on  level  that's  long  time,  especially  Flor-
                                                                      above  current  measure-     ence which formed all the
                                                                      ment  tools),  the  western  way  over  near  Africa  15
                                                                      Pacific  is  where  it's  going  days  before  landfall,  Mc-
                                                                      to  be,"  said  meteorologist  Noldy  said.  Both  storms
                                                                      Ryan  Maue  of  weather-     cover  a  large  area,  but
                                                                      models.com.                  Mangkut  still  dwarfs  Flor-
                                                                      The  Philippines  tends  to  ence.  Mangkhut's  tropical
                                                                      get  hit  nearly  every  year,  storm force winds stretched
                                                                      the  Carolinas  far  less  fre-  more  than  325  miles  from
                                                                      quently though with lots of  the center, while Florence's
                                                                      close calls, Maue said. That  spread  about  195  miles,
                                                                      shows  another  big  differ-  Klotzbach said.
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