Implementasi Algoritma Fuzzy logic untuk Klasifikasi Partikel Hidrometeorologi pada Radar Cuaca C-Band Sintang, Kalimantan Barat

Abdullah Ali, Umi Sa’adah

Abstract


Penelitian ini bertujuan untuk mengimplementasikan metode fuzzy logic dalam proses klasifikasi partikel hidrometeorologi pada radar cuaca BMKG tipe C-Band yang terpasang di Sintang dengan studi kasus hujan lebat tanggal 6 Juni 2022 di Kalimantan Barat. Seluruh tipe data radar dual polarisasi digunakan dalam proses klasifikasi. Hasil klasifikasi jenis echo radar cuaca dibagi menjadi dua kelas yaitu objek meteorologi dan non-meteorologi, sedangkan klasifikasi jenis partikel hidrometeorologi dibagi menjadi dua belas kelas yaitu No Precipitation, Light Rain, Moderate Rain, Heavy Rain, Large Drops, Hail, Rain/Hail, Grauple/Hail, Dry Snow, Wet Snow, H-Crystals, dan V-Crystals dan disajikan dalam vertical cross section (dalam arah azimuth 94° dan 102° dimana terdapat awan konvektif) agar didapatkan perbedaan fase presipitasi yang lebih komprehensif. Objek meteorologi dan non-meteorologi dapat teridentifikasi dengan baik, termasuk echo interferensi yang bercampur dengan echo presipitasi yang sangat sulit dideteksi oleh radar non-polarimetrik. Lapisan melting layer dimana partikel es mulai mencari dapat terdeteksi dengan baik pada ketinggian freezing level. Kategori light/moderate/heavy rain juga mampu teridentifikasi dengan baik. Hasil penelitian ini dapat dikembangkan untuk kebutuhan operasional BMKG maupun kegiatan teknologi modifikasi cuaca.

Keywords


radar cuaca polarimetrik, pratikel hidrometeorologi, fuzzy logic.

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References


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DOI: https://doi.org/10.25077/jfu.13.1.132-139.2024

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