Characteristics of Monsoon Rainfall around the Himalayas Revealed by TRMM Precipitation Radar | Zendy

B. C. Bhatt | Zendy; Kenji Nakamura | Zendy

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Characteristics of Monsoon Rainfall around the Himalayas Revealed by TRMM Precipitation Radar

Author(s) -

B. C. Bhatt,

Kenji Nakamura

Publication year - 2005

Publication title -

monthly weather review

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.862

H-Index - 179

eISSN - 1520-0493

pISSN - 0027-0644

DOI - 10.1175/mwr-2846.1

Subject(s) - precipitation , plateau (mathematics) , monsoon , climatology , daytime , environmental science , diurnal cycle , precipitation types , ridge , atmospheric sciences , geology , meteorology , geography , mathematical analysis , paleontology , mathematics

The climatological features of the diurnal cycle and its spatial and temporal variability are investigated around the Himalayas using hourly, 0.05° × 0.05° grid, near-surface rainfall data from the Precipitation Radar (PR) aboard the Tropical Rainfall Measuring Mission (TRMM) satellite during June–July–August (JJA) of 1998–2002. Though sampling errors inherent to TRMM PR measurements around the Himalayas could influence results, PR-observed precipitation features show agreement with previous studies in this region. The analysis of precipitation characteristics presented here is based on two rain-rate thresholds: (a) light rain rate (≤5 mm h−1), and (b) moderate to heavy rain rate (>5 mm h−1). The results suggest that afternoon to evening precipitation is noticed as embedded convection within a large region of light rain over the south-facing slopes of the Himalayas. The moderate to heavy conditional rain rate exhibits a relatively stronger diurnal cycle of precipitation in this region. However, t...

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