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| Titel |
Precipitating clouds observed by 1.3-GHz boundary layer radars in equatorial Indonesia |
| VerfasserIn |
F. Renggono, H. Hashiguchi, S. Fukao, M. D. Yamanaka, S.-Y. Ogino, N. Okamoto, F. Murata, B. P. Sitorus, M. Kudsy, M. Kartasasmita, G. Ibrahim |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
0992-7689
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| Digitales Dokument |
URL |
| Erschienen |
In: Annales Geophysicae ; 19, no. 8 ; Nr. 19, no. 8, S.889-897 |
| Datensatznummer |
250014300
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| Publikation (Nr.) |
 copernicus.org/angeo-19-889-2001.pdf |
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| Zusammenfassung |
Temporal variations of
precipitating clouds in equatorial Indonesia have been studied based on
observations with 1357.5 MHz boundary layer radars at Serpong (6.4° S, 106.7°
E) near Jakarta and Bukittinggi (0.2° S, 100.3° E) in West Sumatera. We have
classified precipitating clouds into four types: stratiform, mixed stratiform-convective,
deep convective, and shallow convective clouds, using the Williams et al.
(1995) method. Diurnal variations of the occurrence of precipitating clouds at
Serpong and Bukittinggi have showed the same characteristics, namely, that the
precipitating clouds primarily occur in the afternoon and the peak of the
stratiform cloud comes after the peak of the deep convective cloud. The time
delay between the peaks of stratiform and deep convective clouds corresponds to
the life cycle of the mesoscale convective system. The precipitating clouds
which occur in the early morning at Serpong are dominated by stratiform cloud.
Concerning seasonal variations of the precipitating clouds, we have found that
the occurrence of the stratiform cloud is most frequent in the rainy season,
while the occurrence of the deep convective cloud is predominant in the dry
season.
Key words. Meteorology and
atmospheric dynamics (convective processes; precipitation; tropical
meteorology) |
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