ANALISIS PENGARUH SIKLON TROPIS GILLIAN TERHADAP CURAH HUJAN DI WILAYAH RIAU DAN SEKITARNYA
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Abstract
Intisari
Siklon Tropis merupakan gangguan meteorologi yang disebabkan karena adanya pusat tekanan rendah di lautan. Syarat terbentuknya siklon tropis di daerah perairan adalah suhu muka laut (sst) cukup panas (T > 260C). Salah satu Siklon Tropis yang terjadi di perairan Indinesia adalah Siklon Tropis Gillian. Siklon Tropis ini terjadi di Selatan Perairan Indonesia, yang berlangsung selama 5 hari dari tanggal 21 Maret – 25 Maret 2014. Siklon Tropis Gillian ini mempengaruhi kondisi curah hujan di wilayah Indonesia bagian Utara, tepatnya di Pulau Sumatera Bagian Utara. Selama terjadinya Siklon Tropis Gillian mengakibatkan pengurangan Curah hujan di wilayah tersebut, terutama di daerah Provinsi Riau. Dari data yang diperoleh baik dari data Penakar POS METEOROLOGI maupun dari data Satelit TRMM Jaxa mulai tanggal 23 Maret – 27 Maret 2014, curah hujan yang tercatat di wilayah Riau dan sekitarnya mendekati 0 mm. Hal ini membuktikan bahwa Siklon Tropis Gillian di selatan Perairan Jawa mempengaruhi curah hujan di Pulau Sumatera Bagian Utara (Riau).
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Abstrack
Tropical Cyclone is the meteorological disturbance due to the low pressure center in the ocean. Terms of tropical cyclone formation in the waters is the sea surface temperature (sst) is quite warm (T> 260C). Tropical Cyclone Gillian is one of Tropical Cyclone that occurred in the waters of Indinesia. This tropical cyclones occur in the Southern waters of Indonesian, which lasted for 5 days from March 21 to March 25, 2014. Tropical Cyclone Gillian affects rainfall in the northern part of Indonesia, precisely in Northern Sumatra Island. During the Tropical Cyclone Gillian lead to a reduction in rainfall in the region, especially in the province of Riau. Rainfall data from the POS METEOROLOGY and TRMM Satellite Jaxa began on March 23 to March 27, 2014, was recorded in Riau area close to 0 mm. This proves that the Tropical Cyclone Gillian in southern waters of Java affecting rainfall in Northern of Sumatera Island (Riau).
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