Observational characteristics of warm-type heavy rainfall

Byung Ju Sohn, Geun Hyeok Ryu, Hwan Jin Song

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

Abstract

It has been shown that heavy rainfall can be produced from clouds whose cloud top is relatively low (or warm) with relatively few ice crystals if the atmospheric environment is very humid and there is continuous water vapor supply. This process was named “warm-type heavy rainfall” contrasting to the generally known heavy precipitation mechanism from vigorous and tall convective systems (i.e., cold-type rainfall). The water vapor supply in moist-adiabatically near neutral conditions results in a gentle upward motion and thus relatively lower cloud top. However, warm rains can be heavy because of the main growth of rain drops through the collision and coalescence processes below the melting layer.

Original languageEnglish
Title of host publicationAdvances in Global Change Research
PublisherSpringer
Pages745-759
Number of pages15
DOIs
StatePublished - 2020

Publication series

NameAdvances in Global Change Research
Volume69
ISSN (Print)1574-0919
ISSN (Electronic)2215-1621

Keywords

  • CAPE
  • CMORPH
  • Coalescence
  • Collision
  • Convection
  • East Asian monsoon
  • ERA-Interim
  • GPROF
  • Heavy rain
  • Microphysical processes
  • Microwave
  • NRL-blended
  • PCT
  • PERSIANN
  • PR
  • Precipitation
  • TMI
  • TMPA
  • Total precipitable water
  • TRMM
  • Tropics
  • Warm rain
  • WRF

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