Different precipitation mechanisms produce heavy rain with and without lightning in Japan

Tsutomu Takahashi, Tetsuya Kawano, Masahito Ishihara

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

During summer, disturbed weather brings frequent bouts of heavy rain to Japan in two types of cloud systems, one with high lightning activity and the other with low lightning frequency. To find the basis for this difference, data from three Baiu and two non-Baiu Japanese heavy rain events in 2008–2009 were compared with videosonde data from various cloud systems across East and Southeast Asia. This analysis suggests that heavy rain is produced by two different precipitation mechanisms: by graupel growth in high-electrical-activity clouds and by frozen drop growth in low-electrical-activity clouds. High electrification is achieved only in graupel-growing clouds, where numerous ice crystals also grow and the riming electrification process is active.

Original languageEnglish
Pages (from-to)245-263
Number of pages19
JournalJournal of the Meteorological Society of Japan
Volume93
Issue number2
DOIs
Publication statusPublished - Jan 1 2015

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lightning
electrification
ice crystal
rain
weather
summer

All Science Journal Classification (ASJC) codes

  • Atmospheric Science

Cite this

Different precipitation mechanisms produce heavy rain with and without lightning in Japan. / Takahashi, Tsutomu; Kawano, Tetsuya; Ishihara, Masahito.

In: Journal of the Meteorological Society of Japan, Vol. 93, No. 2, 01.01.2015, p. 245-263.

Research output: Contribution to journalArticle

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