Phase relation between  CAPE  and precipitation at diurnal scales over the Indian summer monsoon region | Zendy

Subrahmanyam Kandula Venkata | Zendy; Kumar Karanam Kishore | Zendy; Narendra Babu Alur | Zendy

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Phase relation between CAPE and precipitation at diurnal scales over the Indian summer monsoon region

Author(s) -

Subrahmanyam Kandula Venkata,

Kumar Karanam Kishore,

Narendra Babu Alur

Publication year - 2015

Publication title -

atmospheric science letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.951

H-Index - 45

ISSN - 1530-261X

DOI - 10.1002/asl2.566

Subject(s) - precipitation , climatology , convective available potential energy , monsoon , convection , environmental science , cape , atmospheric sciences , daytime , diurnal cycle , meteorology , geology , geography , archaeology

The phase relation between convection and precipitation at diurnal scales is essential for convective parameterization in numerical weather prediction models. For the first time in a meteorological study, we quantified the phase relationship between convective available potential energy ( CAPE ) and precipitation over the Indian summer monsoon region at diurnal scales using space‐based precipitation and CAPE observations from 7 years (2006–2012) of GPS‐RO measurements. Also, we quantified the phase relationship for the land and oceanic regions separately. On average, the peak in CAPE magnitudes leads precipitation peak by ∼2–4 h over the study region.

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