Trop­i­cal storms near­ing, could in­ten­sify: CWB

Tai­wan may feel the im­pact by as early as Fri­day: re­ports

The China Post - - FRONT PAGE -

Two trop­i­cal storms named Goni and At­sani formed yesterday. The for­mer is mov­ing to­ward the Ryukyu Is­lands and its im­pact on Tai­wan may be felt start­ing next Fri­day, the Cen­tral Weather Bureau (CWB) said yesterday.

The twin trop­i­cal storms in the Western Pa­cific formed at 2 p.m. yesterday. While Goni is now very close to Guam, At­sani is churn­ing sev­eral hun­dred miles to the east.

With low wind shear, a moist at­mos­phere and am­ple ocean heat, each of the storms is ex­pected to fur­ther in­ten­sify into a typhoon as they move through the Mariana Is­lands this week­end, ac­cord­ing to The Weather Chan­nel.

Once Goni de­parts the Mar­i­anas, or pos­si­bly even sooner, rapid in­ten­si­fi­ca­tion is pos­si­ble, with the sys­tem pos­si­bly at­tain­ing su­per typhoon sta­tus (sus­tained winds of at least 240 kilo­me­ters per hour) around the mid­dle of next week.

Steered by high pres­sure just south of main­land Ja­pan, Goni may even­tu­ally pose a threat to Tai­wan late next week, The Weather Chan­nel re­ported.

Tra­jec­to­ries Un­cer­tain

Goni and At­sani are still 3,000 and 4,300 kilo­me­ters away from Tai­wan, re­spec­tively, as of press time, and their fu­ture tra­jec­to­ries are still far from cer­tain at this point, ac­cord­ing to the CWB.

Goni is mov­ing in the di­rec­tion of west- north­west. It is ex­pected to see a re­duc­tion in strength and to slow down in pace af­ter next Tues­day. As a con­se­quence, it will be nearer to At­sani ap­proach­ing be­hind. Goni’s max­i­mum sus­tained winds were re­port­edly 80 kilo­me­ters per hour.

Me­te­o­rol­o­gists say that in a sce­nario where the two storms gain power in the days ahead, given their close prox­im­ity, it may re­sult in the Fu­ji­whara ef­fect, whereby two cy­clonic vor­tices or­bit each other and close the dis­tance be­tween the cir­cu­la­tions of their cor­re­spond­ing low-pres­sure ar­eas. Their tra­jec­to­ries may de- vi­ate fur­ther as a re­sult.

The Fu­ji­whara ef­fect may be seen on Wed­nes­day or Thurs­day, and the storms’ fringe winds may reach Tai­wan by Fri­day.

Whereas Typhoon Soude­lor trav­eled on a straight path, the paths of these two storms are far less pre­dictable as they in­ter­act with each other along the way.

Me­te­o­rol­o­gists would not make fore­casts re­gard­ing the storms’ fu­ture im­pact on Tai­wan, as there is not enough data to make the eval­u­a­tion.

Although the forecast may still change, the public is ad­vised to closely mon­i­tor the progress of each of these sys­tems.

More Showers in Cen­tral and

South­ern Tai­wan

Due to the im­pact of a south­west­erly wind, Cen­tral and South­ern Tai­wan may see brief rain and thun­der­show­ers through­out the day to­day, for both flat­land and moun­tain­ous ar­eas.

The weather will be rel­a­tively sta­ble in North­ern Tai­wan and there will be fewer af­ter­noon thun­der­show­ers com­pared with days ear­lier.

Tem­per­a­tures are ex­pected to reach 33 de­grees Cel­sius or higher across the is­land, ac­cord­ing to weather fore­cast­ers.

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