POTENSI ATMOSFER DALAM PEMBENTUKAN AWAN KONVEKTIF PADA PELAKSANAAN TEKNOLOGI MODIFIKASI CUACA DI DAS KOTOPANJANG DAN DAS SINGKARAK 2010
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Abstract
Kajian potensi atmosfer terhadap proses pembentukan dan pertumbuhan awan konvektif
pada saat pelaksanaan Teknologi Modifikasi Cuaca (TMC) telah dilakukan dengan data
pengamatan sounding dari stasiun Tabing Sumatera Barat. Sebanyak 330 buah data
pengamatan harian jam 00Z dan 12Z dari Juni sampai dengan Nopember 2010 telah
dianalisis. Dengan aplikasi RAOB analisis dilakukan untuk menentukan parameter
dan indeks radiosonde sebagai penduga potensi atmosfer di wilayah tersebut. Hasil
analisis kandungan uap air yang diwakili oleh nilai Mixing Ratio dan PW menunjukkan
bahwa selama bulan-bulan tersebut kandungan uap air cukup besar, presipitasi yang
dihasilkan dipengaruhi oleh labilitas atmosfer yang diindikasikan oleh beberapa indeks
radiosonde. Apabila labilitas pada hari itu cukup baik, maka peluang presipitasinya
akan semakin besar.
Study the potential of the atmosphere on the formation and growth of convective clouds
during the implementation of Weather Modification Technology (TMC) has been done
with observational data came from Padang, West Sumatra station. A further 330 pieces
of observation data at 00Z and 12Z each day from June to November 2010 has been
analyzed. By the RAOB application analysis conducted to determine the parameters and indices as sounding estimators of potential atmospheric in the region. Moisture content analysis results that represented by the value of Mixing Ratio (MR) and Precipitable Water (PW) showed that during the months of water vapor content is quite large, the rainfall was influenced by atmospheric unstability could indicated by several indexes. If unstability on the day was good enough, then the precipitation will be even greater.
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