Thursday, 19 October 2017

Heavy rains bring flooding to south and central Trinidad.

Central and southern parts of the Caribbean island of Trinidad have suffered widespread flooding after a period of heavy rains and thunderstorms that lasted about 24 hours across Wednesday 18 and Thursday 19 October 2017. There are no reports of any casualties associated with this flooding, but transport networks have been severely disrupted and many homes inundated.

Flooding on Trinidad on Wednesday 18 October 2017. Loop.

Like other parts of the Caribbean, Trinidad has suffered a series of flooding events this summer, associated with a series of particularly severe hurricanes. However this weeks flooding is not associated with any hurricane, but rather appears to have been caused by the movement of the Inter-Tropical Convergence System, a permanent low pressure system that circles the globe approximately on the equator. 

This system is caused by heat from the Sun, which is greater at the equator then elsewhere, causing air over the equator to rise, and drawing in air currents from the Northern and Southern Hemispheres, forming the trade winds. This updraughts pull up water vapour from the sea surface high into the atmosphere, where it eventually precipitates out of the cooler, less dense atmosphere, falling back as rain. 

Flooding on Trinidad on Wednesday 18 October 2017. Loop.

Importantly, while the actual equator is fixed, the tilt of the Earth relative to the Sun means that the point at which the Sun is directly overhead moves northward in the northern summer and south in the southern summer, creating a thermal equator, which the Inter-Tropical Convergence System follows, moving north in the north and south with the seasons (and since  the sea heats and cools more slowly than the land, this movement is more pronounced over land than sea). The upshot of this is a system of storms which circulates on the equator at the equinoxes, but which moves north and south to the tropics around the solstices. Furthermore this system moves further away from the equator in warmer years, and is predicted as being likely to do so more with global warming. It is this  Inter-Tropical Convergence System which has passed over Trinidad this week, causing storms and flooding over the island.

The approximate position of the Inter-Tropical Convergence System in July and January.
Mats Halldin/Phys.org.

See also...

http://sciencythoughts.blogspot.co.uk/2017/09/fifty-nine-confirmed-deaths-as.htmlhttp://sciencythoughts.blogspot.co.uk/2017/09/magnitude-46-earthquake-to-northeast-of.html
http://sciencythoughts.blogspot.co.uk/2017/09/hurricane-irma-kills-forty-two-in.htmlhttp://sciencythoughts.blogspot.co.uk/2017/09/hurricane-irma-leaves-widespread.html
http://sciencythoughts.blogspot.co.uk/2017/08/magnitude-48-earthquake-to-north-of.htmlhttp://sciencythoughts.blogspot.co.uk/2017/05/shipping-warning-issued-after-eruption.html
Follow Sciency Thoughts on Facebook. 

4 comments:

  1. Halo,
    Ini adalah untuk memberitahu orang ramai bahawa Puan Henrietta Fernando, pemberi pinjaman pinjaman swasta telah membuka peluang kewangan kepada sesiapa yang memerlukan sebarang bantuan kewangan. Kami memberi pinjaman pada kadar faedah 2% untuk individu, syarikat dan syarikat di bawah terma dan syarat yang jelas dan difahami. Hubungi kami hari ini melalui e-mel di: (henriettafernandoloanfirm@gmail.com)

    ReplyDelete
    Replies
    1. Alhamdulillah kami sekeluarga ucapkan banyak terima kasih kepada KI RONGGO LAWE atas bantuan KI RONGGO LAWE kami sudah bisa membayar semua hutang hutang kami yang menumpuk setinggi gunung kami juga sudah bisah buka usaha KI RONGGO LAWE, dulunya si saya ragu ragu dan kurang percaya yang namanya pesugihan uang gaib tapi mencoba dan alhamdulillah ternyata KI RONGGO LAWE benar - benar bisa menbantu saya dengan pesugihan uang gaib sekali lagi terima kasih KI RONGGO LAWE salam sukkses selalu.
      kalau mau seperti saya hubungi KI RONGGO LAWE Tlp/WhatsApp : 0853-1403-1099, atau KLIK DISINI

      INILAH JENIS MACAM PESUGIHAN DAN BOCORAN TOGEL 2D 3D 4D 5D 6D.....
      KI RONGGO LAWE Tlp/WhatsApp : 0853-1403-1099, atau KLIK DISINI

      >PESUGIHAN TUYUL| PELARIS USAHA
      >PESUGIHAN UANG GAIB
      >PESUGIHAN JIN KHODAM
      >PESUGIHAN UANG ASMA
      >PESUGIHAN UANG SEPASANG
      >PESUGIHAN UANG BALIK
      >TRANSFER JANIN
      >PESUGIHAN PUTIH TAMPA TUMBAL
      >PESUGIHAN NIKAH JIN
      >PELARISAN DAGANG

      Delete
  2. ¿Necesita un prestamista? ¿Está interesado en obtener algún tipo de préstamo? ¿Estás preocupado financieramente? Tiene una deuda que pagar Le otorgamos préstamos a cualquier parte del mundo. Nuestras tasas de interés de préstamos se cancelan en un 2% con una duración negociable, independientemente de su ubicación o estado crediticio. Para obtener un préstamo hoy estamos con nosotros a través de la dirección electrónica de la dirección de la empresa en: sundayhenryloan444@yahoo.com sundayhenryloan444@gmail.com

    NOTA: damos un mínimo de ($ 5,000 /?) Y un máximo de ($ 100,000,000 /?) E.T.C. Una solicitud de préstamo debe estar en dólares estadounidenses o euros, o en otra moneda

    Contacto: sundayhenryloan444@gmail.com: para su préstamo actual,
    Préstamos NJ para el Fondo de Finanzas Empresariales
    Oficina registrada: 100, Austin, TX 78759.
    Directorios de correo electrónico: sundayhenryloan444@gmail.com o sundayhenryloan444@yahoo.com

    Gracias por esperar su pronta respuesta.
    SUNDAY HENRY PRÉSTAMO Fondo Financiero de los Estados Unidos

    ReplyDelete
  3. We Offers Financial Consulting To Client, Companies Seeking Debt / Loan Financing And Seeking For Working Capital To Start A New Business Or To Expand Existing Business. Interested Parties Should Contact Us For More Information Through Via E-mail: SuiteCapitals@gmail.com ( SuiteCapitals@post.com )

    Do You Need A Loan To Consolidate Your Debt At 1.0%? Or A Personal Loans * Business Loans etc. Interested Parties Should Contact Us For More Information Through Via E-mail: SuiteCapitals@gmail.com ( SuiteCapitals@post.com )

    We Have Loan Programs Tailored For Any Profile And You've Come To The Right Place To Satisfy Your Business Needs. If Your Company Or You Know Of Any Company With Viable Projects / Proposals That Needs Financing, Kindly Write Us With The Loan Requirement. Please, Contact Us For More Information: SuiteCapitals@gmail.com ( SuiteCapitals@post.com )

    Do You Need A Loan To Consolidate Your Debt At 1.0%? Or A Personal Loans * Business Loans etc. Interested Parties Should Contact Us For More Information Through Via E-mail: SuiteCapitals@gmail.com ( SuiteCapitals@post.com )

    We Offers Financial Consulting To Client, Companies Seeking Debt / Loan Financing And Seeking For Working Capital To Start A New Business Or To Expand Existing Business. Interested Parties Should Contact Us For More Information Through Via E-mail: SuiteCapitals@gmail.com ( SuiteCapitals@post.com )

    Kindly write us back with the loan information;
    - Complete Name:
    - Loan amount needed:
    - Loan Duration:
    - Purpose of loan:
    - City / Country:
    - Telephone:
    - How Did You Hear About Us:

    Do You Need A Loan To Consolidate Your Debt At 1.0%? Or A Personal Loans * Business Loans etc. Interested Parties Should Contact Us For More Information Through Via E-mail: SuiteCapitals@gmail.com ( SuiteCapitals@post.com )

    We Offers Financial Consulting To Client, Companies Seeking Debt / Loan Financing And Seeking For Working Capital To Start A New Business Or To Expand Existing Business. Interested Parties Should Contact Us For More Information Through Via E-mail: SuiteCapitals@gmail.com ( SuiteCapitals@post.com )

    ReplyDelete